INSTALLATION AND OPERATION MANUAL
Free-Standing
Pellet Stove
Save These Instructions
For Future Reference
P/N 775,196M, Rev. B, 05/2009
Pellet Stove
Model Montage™ 32FS
A French manual is available upon request. Order P/N 775,196CF.
Ce manuel d’installation est disponible en francais, simplement en faire la demande. Numéro de la pièce
775,196CF.
Report No. 3105656MID
This appliance must be properly installed and operated in order to prevent the possibility
of a house fire. Please read this entire manual before installation and use of this pellet
fuel-burningroomheater. Failuretofollowtheseinstructionscouldresultinproperty
damage, bodily injury or even death. Contact your local building or fire officials
to obtain a permit and information on any installation requirements and
inspection requirements in your area.
WARNINGS
• Hot! Do not touch! The glass and surfaces of this appliance will be
hot during operation and will retain heat for a while after shutting off
the appliance. Severe burns may result.
• Carefully supervise children in the same room as appliance.
• Lennox™ pellet-burning appliances are designed for use as a supple-
mental heater. They are not intended for continuous use as a primary
heat source.
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CONGRATULATIONS!
TESTING / LISTING
When you purchased your new pellet stove, you joined the ranks of
thousands of individuals whose answer to their home heating needs
reflects their concern for aesthetics, efficiency and our environment.
We extend our continued support to help you achieve the maximum
benefit and enjoyment available from your new pellet stove.
Listing: The listing laboratory is ITS (Intertek Testing Services) and the
listing mark is Warnock Hersey. The report number is 3105656MID for
model Montage 32FS pellet stove.
Testing: In accordance with the specifications and procedures
• Listed and tested to ASTM E1509 & ULC C1482 / ULC S627 for instal-
lations as a freestanding room heater
Thank you for selecting a Lennox Hearth Products stove as the answer
to your supplemental home heating needs.
• The safety/listing label is located on an inside hopper surface of the
pelletstove. Pleasereadthissafetylabelcarefully.Itcontainsimportant
information about installation and operation of this appliance.
• Thisapplianceistestedandlistedforresidentialinstallationaccording
to current national and local building codes as:
TABLE OF CONTENTS
• A Free-Standing Room Heater
• A Manufactured Home Heater
Important Safety Information . . . . . . . . . . . . . . . . . . . . Page
Packaging List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page
Testing / Listing, EPA . . . . . . . . . . . . . . . . . . . . . . . . . . . Page
Using this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page
Planning Your Installation . . . . . . . . . . . . . . . . . . . . . . . Page
Selecting a Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . Page
Floor Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page
Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page
Installation Tips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page
Manufactured Home Installation . . . . . . . . . . . . . . . . . . Page
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page
2
3
3
3
3
4
4
5
6
7
8
EPA (Environmental Protection Agency)
Status: EPA Certified (method ꢀ8) - This appliance has been tested to
rigorous emissions standards, and has been certified by the Environ-
mental Protection Agency.
USING THIS MANUAL
Please read and carefully follow all of the instructions found in this
manual. Please pay special attention to the safety instructions provided
in this manual.
Venting Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . Page 10
Care and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 17
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 21
Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 21
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 26
Component Definitions . . . . . . . . . . . . . . . . . . . . . . . . . Page 27
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 28
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 29
Replacement Parts List & Diagrams . . . . . . . . . . . . . . . Page 31
Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 34
Safety / Listing Label . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 35
PRODUCT IS SUBJECT TO CHANGE WITHOUT NOTICE
PLANNING YOUR INSTALLATION
Questions To Ask Local Building Official
Acorrectinstallationiscriticalandimperativeforreducingfirehazardsand
perilous conditions that can arise when wood pellet burning appliances
are improperly installed. The installer must follow all of the manufactur-
ers’ instructions.
Product Reference Information
Page 36
WARNING
This installation and operation manual will help you obtain a safe, effi-
cient, dependable installation for your appliance and vent system.
Check all local building and safety codes before
installation.Theinstallationinstructionsandappro-
priate code requirements must be followed exactly
andwithoutcompromise.Alterationstothestoveare
not allowed. Do not connect the stove to a chimney
system serving another stove, appliance, or any air
distributionduct.Failuretofollowtheseinstructions
will void the manufacturers warranty.
PLEASE READ AND UNDERSTAND THESE INSTRUCTIONS
BEFORE BEGINNING YOUR INSTALLATION
Packaging List
The assembled pellet stove model Montage™ 3ꢀFS is packaged with
an accessory package in the hopper and a grate scraper tool secured
to the pallet:
The installation of this appliance must conform to local codes and appli-
cable state and federal requirements. Familiarity with these requirements
before installation is essential. Important considerations to discuss with
local building officials include:
One - Installation And Operation Manual
One - Warranty
One - Power Cord
One - Grate Scraper Tool
One - Wall Thermostat w/ 20 Foot Roll Of Wire
One - 5/32" Allen Wrench
One - Cleaning Brush
1. Applicable codes (i.e. Uniform Mechanical Code, State or Regional
Codes).
Electrical codes:
In USA, NEC, ANSI/NFPA 70 – Latest Edition
In Canada, CSA C22.1 – Latest Edition
3
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2. Local amendments
• Existing Chimneys
3. Is a permit required - cost. You may wish to contact your insurance
company to ask if they require this.
• Pellet Fuel Storage
• Aesthetic Considerations
• Roof Design (rafter locations and roof pitch)
• Room Traffic
• Proximity to Combustibles
• Electrical Wiring
4. If outside combustion air is required
5. Rooms where the installation is not allowed
Power Supply Requirements
These requirements must be met unless otherwise specified by state or
local authorities.
CAUTION
• Power Cord - The power cord must be plugged into a standard, 120
Volt, 60 Hz grounded electrical outlet with proper ground and polarity.
The power cord must be routed to avoid contact with any of the hot
or sharp exterior surface areas of the stove.
Theseappliancesareveryheavy. Theuseofaheavy
dutyescalara(stairstephandtruck)isrecommended
for lifting the appliance.
• Power Supply - 575 Watts, and will peak up to 782 Watts during the
30 minute cycle when igniter is operating.
• Manufactured Home Installations - When installed into a manufac-
tured home, the appliance must be electrically grounded to the steel
chassis of the manufactured home (see Page 7, Manufactured Home
Requirements).
NEGATIVE PRESSURE WARNING
This appliance is not designed to be operated in a negative pressure envi-
ronment. In very airtight homes with large kitchen exhaust fans, furnace
cold air returns, fresh air exchange systems and any other air system in
close proximity to the heating appliance may create a negative pressure
in the same room as the heating appliance. This can create dangerous
condition, drawing combustion by-products into the home. Be sure your
home has adequate makeup air to eliminate negative pressures caused
by the above-mentioned sources. Outside air connected to the appliance
probably will not resolve such a problem as the stove is not the source
of negative pressure. Lennox Hearth Products accepts no liability for
damages resulting from negative pressures described here.
WARNING
Electrical grounding instructions: This appliance is
equipped with a three-prong (grounding) plug for
your protection against shock hazard and should be
pluggeddirectlyintoaproperlygroundedthree-prong
receptacle.Donotcutorremovethegroundingprong
from this plug. Do not route power cord under or in
front of appliance.
VentilationRequirements-Provideadequateairforcombustion.Thefresh
air requirements of this appliance must be met within the space where it
will be installed. Ventilation is essential when using a solid-fuel-burning
heater. In well insulated and weather tight homes, it may inhibit the rate
the exhaust flows through the venting system (caused by a shortage of
air in the home). The lack of air is caused by many common household
appliances which exhaust air from the home (such as a furnace, heat
pump, air conditioner, clothes dryer, exhaust fans, fireplaces, and other
fuel burning appliances). Also, the combustion process of this heater
uses oxygen from inside the dwelling. If the available fresh air delivery
in the dwelling is insufficient to support the demands of these appli-
ances, problems can result (i.e. excessive negative pressure will result
in performance problems. To correct this problem it may help to open
a window (preferably on the windward side of the house) or install an
outside combustion air duct to the appliance.
Surge Protectors
A surge protector is recommended to ensure the stove’s electrical com-
ponents are not damaged due to a surge in the electrical supply. Only
high quality protectors listed to UL1449 should be used - low quality
protectors do not provide the protection needed.
Smoke Detectors
Since there are always several potential sources of fire in any home, we
recommend installing smoke detectors. If possible, install the smoke
detector in a hallway adjacent to the room (to reduce the possibility of
occasional false activation from the heat produced by these appliances).
If your local code requires a smoke detector be installed within the same
room, you must follow the requirements of your local code. Check with
your local building department for requirements in your area.
Installation / Maintenance Standards
FLOOR PROTECTION
National Fire Protection Association – The primary NFPA standard that
refers to installation and maintenance of pellet stoves and venting is
NFPA 211 – Latest Edition: Chimneys, Fireplaces, Vents, and Solid Fuel
appliances.
This appliance requires noncombustible floor protection (the hearth pad
or alternate floor protection material does not require a thermal rating).
A noncombustible floor protector must fully cover the area beneath the
appliance and extend 6” to the front, 6” to the sides, and up to 6” from
the back as illustrated in Figure 1.
SELECTING A LOCATION
The design of your home and where you place your stove will determine
its value as a source of heat. This type of appliance depends primarily on
air circulation (convection) to disperse its heat, and therefore, a central
location is often best. There are other practical considerations, which
must be considered before a final selection of locations is made. Some
of which includes:
If the floor protection is to be stone, tile, brick, etc., it must be mortared
or grouted to form a continuous noncombustible surface. In Canada, if a
chimneyconnector/ventingextendshorizontallyoverthefloor,protection
must also cover the floor under the connector / venting and at least 2”
(51 mm) to either side (recommended but not required in the US). See
Clearances and Hearth Protection shown in Figure 1.
4
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Rear Wall or Alcove - Clearance to Combustibles
Combustible
Upto*6” (153 mm)
*E
B
Rear
D
A
A
6”
(153mm)
min.
6”
(153 mm)
min.
Top View
Front
Floor Protector
*Note:RefertopipeManufacturer'sinstallation
instructions for minimum pipe clearances.
Figure 2
6” (153 mm)
min.
Corner - Clearance to Combustibles
Combustible
* Notes: When installed at clearances less than 6”, the floor
protection is only required to extend to the wall. Refer to
Page 4 for chimney/venting floor protection requirements and
recommendations.
C
E*
Figure 1 - Floor Protection Requirements
CLEARANCES - Montage™ 3ꢀFS
C
Standardresidentialormanufacturedhomeinstallation.Theseappliances
require the following minimum clearances to combustibles:
MINIMUM CLEARANCES TO COMBUSTIBLE MATERIALS
NE PAS ENLEVER CETTE ÉTIQUETTE DÉGAGEMENT MINIMUM POUR LES
MATÉRIAUX COMBUSTIBLES
Freestanding Stove Installation / Installation Du Poêle Autonome
*Note: Refer to pipe Manufacturer's installation
instructions for minimum pipe clearances.
Figure 3
Manufactured (Mobile) Home Or Residential Installation / Installation Résiden-
tielle Ou Dans Une Maison réfabriquée (Mobile)
A - Side wall to unit
4” (10ꢀ mm)
ꢀ” (51 mm)
1” (ꢀ5 mm)
B - Back wall to unit
IMPORTANT
C - Side wall to unit Corner
D - Max. Depth of Alcove
•
Minimum clearances specified may not allow
for ease of operation and maintenance (please
take this in to account when planning the instal-
lation). If installed to the minimum clearances,
removal of the appliance may be necessary for
servicing.
Recommended clearance zone from the front
of the appliance to combustibles is 4 feet mini-
mum.
Clearances to combustibles for the appliance
can only be reduced by means approved by the
regulatory authority.
u ꢀ4” (610 mm)
E - Flue to Wall
v 3 " (76mm)
u Minimum Alcove Measurements - Height 48” (1ꢀꢀ0 mm) x Width 31”
(788 mm) x Maximum Depth ꢀ4” (610 mm)
v See vent manufacturer to verify clearances
Table 1
•
•
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE
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INSTALLATION TIPS
INSTALLATION TIPS
Select Your Installation Type
GOOD INSTALLATION *
BETTER INSTALLATION
BEST INSTALLATION
Horizontal Installation
Vertical & Horizontal Installation
Vertical Installation
(Direct Vent - Outside Wall)
(Up and Out)
(Straight Up)
No natural draft. Wind
pressures may affect operation
Some natural draft aids venting. Wind
pressures may still affect operation
Natural draft improves operation and
negative effects from wind
VENTING TYPE
a: PL-Vent Pipe / Pellet Vent (w/stainless interliner)
b: Stainless Steel flex liner may be used inside existing flue
or chimney (woodstove replacement applications)
CAUTION: Do not use Type B-Vent Pipe
REQUIRES 3”
DIAMETER STANDARD
PL-VENT / PELLET PIPE
With listed termination kit. If
installation requires in excess of
11’ of pipe, it is recommended a
4” diameter pipe be used.
CLEARANCES TO
COMBUSTIBLES
Ensure all clearances are main-
tained in accordance to instruc-
tions contained on product
MANUFACTURED
HOME
Requires outside air for com-
bustion. Use a galvanized or
stainless steel pipe for duct.
Minimum duct size 1-5/8” dia.
safety label and in compliance
with pipe/venting requirements.
POWER SUPPLY
Seal all
Venting Joints:
Must have proper polarity and
be grounded.
PLEASE REVIEW THIS ENTIRE
INSTALLATION AND OPERA-
TION MANUAL FOR ADDITIONAL
INSTRUCTIONS.
Note: Use of an extension
cord may adversely effect the
performance of your unit.
Use RTV
(high temp silicone)
*
In horizontal vent installations It is recommended that when an appliance is vented directly through a wall, a minimum of 6 feet (1.83 M) of vertical pipe is
installed to create some natural draft. This will reduce the possibility of smoke or odor entering the dwelling during appliance shutdown or loss of power.
6
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MANUFACTURED HOME INSTALLATION
In addition to the standard installation instructions, the following instruc-
tions may be required by local, state or federal building codes:
• Installation should be in accordance with the Manufactured Home and
Safety Standard (HUD), CFR 3280, Part 24.
• The stove must be permanently bolted to the floor using two or three
1/4" or 5/16" diameter x 5" lag screws as shown in Figures 4A, 4B, 5A
and 5B.
Open front
glass door and
remove ash
pan to access
front lag screw
hole.
• Connecting the Montage™ 32FS stove to outside combustion air is
requiredinmanufacturedhomeinstallationsandwhenrequiredbylocal
building codes. An outside air inlet must be provided for combustion
and be unrestricted while unit is in use. Use a galvanized or stainless
steel pipe for the duct (the outside air inlet on the stove is 1-5/8”
diameter). The air intake on the exterior of the home should always
be located a minimum of 18" below the flue termination (see Figures
4B and 15). The Inlet shall remain free of obstruction while unit is in
operation and constructed in a manner so as to prevent material from
dropping into the inlet or into the area beneath the dwelling. The inlet
shall also have a screen with openings not larger than 1/4" to prevent
rodents from entering.
Outside
Air Inlet
Holes for lag screws when securing to manufactured home floor
• Stove must be permanently electrically grounded to the steel chassis
of the manufactured home using a 8 GA copper wire and a serrated
or star washer (to penetrate paint or protective coating to ensure
grounding). The location selected for ground attachment to the stove
must be dedicated for this purpose. Grounding must comply with
NFPA-70-latest edition standards, CSA C22.1-latest edition in Canada,
as well as any local codes.
Options:
1) Install one lag screw in the front center hole and one in the rear
center hole.
OR
2) Install one lag screw in the front center hole and two in the rear
side holes.
Figure 4B - Manufactured Home Installation
• See Pages 9 through 15 for additional information on venting require-
ments.
• WARNING: DO NOT INSTALL THIS STOVE IN A SLEEPING ROOM IN
A MANUFACTURED HOME.
• CAUTION: THE STRUCTURAL INTEGRITY OF THE MANUFACTURED
HOME FLOOR, WALLS, CEILING/ROOF MUST BE MAINTAINED.
Manufactured Home Exhaust Vent Pipe Installation Guidelines
This stove is approved for venting with Type L and Type PL pellet vent pipe
listedtoUL641andULCS609.Werecommendtheuseofventingproducts
manufacturedbySecurityChimneysInternational.Thepipeshouldextend
at least 3 feet above the part of the roof through which it passes. The top
of the pipe should be at least 2 feet above the highest required elevation
of any part of the manufactured home within 10 feet of the pipe (see Page
12, Manufactured Home Chimney Height Requirements).
If the exhaust vent exits the manufactured home at a location other than
the roof, and exits at a point 7 feet or less above the ground level on which
the manufactured home is position a guard or method of enclosing the
pipe shall be provided at the point of exit for a height of up to 7 feet. The
openings, if any, in this guard shall not allow a 3/4” rod to pass through.
A 1/2” rod could pass through but should not be able to touch the pipe
when inserted through the opening a distance of 4 inches.
Bolt
Chassis
Floor
Bolt
Floor
Protector
Figure 4A - Manufactured Home Installation
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE
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INSTALLATION
Removing Appliance From Pallet
1. After removing the packaging from the stove, lift the hopper lid, and
remove all prepackaged items that were shipped in the hopper. Next,
open the stove door and remove all prepackaged items.
2. With the stove door open, remove the ash drawer and set aside. Using
a 7/16” socket or open end wrench, remove the front lag screw (see
Figure 5A).
3. Using a 5/32" allen wrench remove the two screws in the rear pallet
bracket (see Figure 5B). Using a 7/16” socket or open end wrench,
remove the rear lag screw (see Figure 5B).
Pallet
SEE DETAIL C
Pallet
Rear Pallet
Bracket
SEE DETAIL B
Rear Lag Screw
DETAIL C
Rear Lag Screw
(actual size)
Figure 5B - Rear Lag Screw and Pallet Bracket
Installation Check List
It is strongly recommended that you have an Lennox Hearth Products
dealer install your stove. If you install your stove yourself, you should
review your installation plan with an Lennox Hearth Products dealer.
Front Lag Screw
DETAIL B
Check list:
Check off each item as you proceed with the installation process.
q Read the ENTIRE stove installation section first
q Determine the appropriate measurements and locations for your
installation.
q Follow the installation directions in this manual.
q Be sure to pre-fit all items before you install, fasten, or set up the
appliance permanently.
Front Lag Screw
(actual size)
q Measure for exhaust (also outside air tube when applicable) and mark
the location. Place the unit in place to make sure it's correct before
cutting holes in your wall.
Figure 5A - Front Lag Screw
8
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IMPORTANTNOTE: Installthethermostatperthemanufacturersinstruc-
tions, provided with the thermostat. Failure to follow manufacturers
instructions could result in a malfunction. Pay special attention to the
thermostatlocationrequirements. Ifthelocationrequirementsarenot
adhered to the appliance, erratic operation or failure may occur.
Prior to lighting your appliance:
q Review the safety precautions section.
q Review the pellet FUEL section.
q Review and follow the Operating Instructions.
q Plug power cord connector into corresponding connector on the back
of appliance (see Figures 7 and 8 showing connector locations).
Do not mount the thermostat where it may be affected by:
After you have begun operation of your appliance:
• Radiant heat from the stove, fireplaces, sun or other heat sources.
• Drafts or dead spots behind doors or in corners.
• Hot or cold air from ducts.
q Review the routine cleaning / maintenance information.
q Enjoy the warmth from your new Lennox Hearth Products pellet
stove!
Note: See Wiring Diagram on Page 28.
Damper Location and Adjustment
Damper Air Control
Located behind the right side panel on model Montage 32FS.
IMPORTANT
If the wall thermostat provided is not used, the
jumper is required for the stove to operate.
Adjustment Procedure
Using a 1/4" nut driver or socket, loosen the damper setscrew (see
Figure 6). Adjust in 1/4” increments until optimum combustion air flow
is achieved. Retighten the damper setscrew.
For less air push in and for more air pull out.
Thermostat wires and purple wires from wire har-
ness will connect to these ꢀ terminals
Loosen Setscrew
to Adjust Damper
Standard Setting: Damper
should be flush with
firebox as shown
Damper
Firebox
Jumper
Route thermostat wires
through this grommet
Remove jumper if Thermostat IS to be used
Leave jumper on, if thermostat is NOT used
Figure 7 - Terminal Block
Figure 6 - Damper Adjustment
Thermostat Installation:
Note: Always Disconnect Power Before Performing The Thermostat
Installation.
A24voltwallthermostatand20feetof18-gagethermostatwireisincluded
in the accessory package. It is recommended that the thermostat and
thermostat wire be installed by an Lennox Hearth Products dealer.
Installation Steps:
1. Unplug stove power cord from the wall outlet.
2. Locate the thermostat terminal block (see Figures 7 and 8).
3. Loosen the two terminal screws on the terminal block and remove the
jumper.
4. Connect the two wires from your thermostat to the terminals (one
per terminal). Ensure that the purple wires from the harness remain
connected to the terminal block and tighten the terminal screws. Make
sure the wires are firmly connected to the thermostat.
5. Plug in the stove and you are ready to operate with your thermo-
stat!
Figure 8 - Terminal Block Location
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE
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• Horizontal Runs - The maximum total horizontal run must not exceed
10 feet (3.1 meters).
VENTING REQUIREMENTS
• Horizontal run of pipe requires 1/4” (7 mm) rise per foot.
• Pellet vent pipe requires 3” (75 mm) clearance from outside of pipe
unlessotherwisespecifiedbyventmanufacturer-alldiameters:3”(75
mm) and 4” (100 mm). A support bracket must be installed every 4
feet (1.2 m) of pellet vent pipe on the exterior wall of the house unless
otherwise specified by vent manufacturer.
ItisrecommendedthatonlyanLennoxHearthProductsdealerinstallyour
pellet stove. The specified installation requirements must be followed to
ensure conformity with both the safety listing of the appliance and local
building codes. All clearances, installation instructions and precautions
specified by the vent manufacturer must be followed.
• It is not recommended to terminate exhaust vent on the prevailing wind
side of the house.
Selecting a Location
• In Canada, where the venting may pass through a wall, or partition of
combustiblematerials,theinstallationshallconformtoCAN/CSA-B365.
Wheninstallingthewallthimbleandotherventingcomponents, follow
theventmanufacturersinstructions. Maintainaneffectivevaporbarrier
at the location where the chimney or other component penetrates to
the exterior of the structure.
Review the appliance clearance requirements before installing the
venting system (see Page 5). Position the appliance far enough away
from walls to allow adequate room for servicing. Choose the appliance
location with the least amount of interference with the house framing,
plumbing, wiring, etc.
Preferred Vent Configuration
Pipe/Liner Joint Requirements
For the best performance, we recommend a vent run design which runs
vertically and terminates above the roof line. This design will allow natural
draft to improve the flow of flue gases and will aid in combustion and
stove performance.
Siliconesealantandthreescrewsarerequiredtosecurethefirstventcon-
nection to the appliance flue collar. Seal the remaining vent sections per
the vent manufacturers instructions and secure all sections with 3 screws
minimum per section. ALL horizontal joints must be sealed gas-tight (air
tight, sealed connection). Use RTV high temperature silicone or Interam,
if necessary, to provide a complete seal between vent sections.
Note: 30 feet maximum vertical vent allowed (6 inches minimum verti-
cal).
Connection to Masonry Chimney through a Wall
Type of Pipe
Be sure to verify the construction of a masonry chimney, as it may have
combustible framing.
This stove is approved for venting with Type L and Type PL pellet vent
pipe (sometimes referred to as “L-Vent pellet vent”, listed to UL 641 or
ULC S609). We recommend the use of venting products manufactured by
Security Chimneys International. Connect the pellet vent pipe or the “tee”
to the flue collar using a minimum of three screws and seal as specified
in “Pipe/Liner Joint Requirements” on this Page. Do not use class B
gas chimney or single wall chimney as a substitute.
Approved liner when relining Masonry or Factory-Built Fireplaces is
2100HT (degree F.) liner listed to UL 1777 or ULC S635.
Connection to an Existing Class A Chimney
A chimney adapter can be used to make the connection from 3” (75
mm) or 4” (100 mm) pellet vent pipe (listed to UL 641 or ULC S609) to
existing UL chimney system. Verify with the pipe manufacturer that your
pipe brands will interconnect.
Size of Pipe
These pellet stoves are approved for use with the following vent sizes: 3”
(75 mm) standard, or 4” (100 mm), see Page 13 - for determining correct
size vent). When 4” pipe is used: for horizontal vent installations use a 3”
(75 mm) to 4” (100 mm) adapter - available from vent manufacturer. For
vertical installations use a 3” (75 mm) to 4” (100 mm) “tee” - available
from vent manufacturer.
Horizontal Vent Installations
On all horizontal vent installations (short, horizontal runs with no vertical
pipe); care should be taken when choosing a location for terminating the
vent. It is not recommended to directly vent the exhaust on the prevail-
ing wind side of the house. It is recommended that when an appliance
is vented directly through a wall, a minimum of 8 feet (2.5 m) of vertical
pipe should be installed to create some natural draft. This will reduce
the possibility of smoke or odor entering the dwelling during appliance
shutdown or loss of power.
Offsets
In every installation, a single or double clean-out “tee” is recommended
for every ninety-degree offset (this tee will help collect ash residue and
will allow for routine cleaning without the need to disconnect sections
of pipe).
Vent Termination
Pipe Clearances/Requirements
Do not terminate vent in an enclosed or semi-enclosed area such as:
carports, garage, attic, crawlspace, underadeck, porch, narrowwalkway,
closely fenced area, or any location that can build up a concentration of
fumes such as a stairwell, covered breezeway etc.
Seepipemanufacturersinstructionsforinstallationofventingcomponents
and clearances. Follow pipe manufacturers installation precautions for
passing pipe through a combustible wall or ceiling (i.e. use an approved
thimble).
Vent surfaces can get hot enough to cause burns if touched. Adults
should supervise children when they are in the area of a hot stove.
Non-combustible shielding or guards may be required.
Notes
• Offsetsandhorizontalrunsaccumulatefly-ashandsootwhichreduces
the exhaust flow and performance of the stove.
• Total Offsets in venting system should not exceed 270° total in direc-
tion change.
Termination Cap
• Maximum Vertical Vent - 30 feet (9.14 M)
The termination of the outside chimney of the pellet stove shall be located
in accordance with the following:
A. Higher than 3 feet (.92 m) above any forced air inlet (air conditioner,
etc.) located within 10 feet (3 m).
10
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E. The distance from the bottom of termination to grade is 12” (305 mm)
minimum. This is conditional upon plants and nature of grade surface: Be
carefultochoosealocationfortheventterminationwhichdoesnotexpose
people or shrubs to high heat from the exhaust gases. The exhaust gases
arenothotenoughtoignitegrass, plantsandshrubslocatedinthevicinity
of the termination although they should be a minimum of 3 feet (.92 m)
away. The grade surface under the termination must not be a lawn.
F. Since sparks may escape from the exhaust pipe of any stove, use
caution when positioning the vent pipe. Refer to pipe manufacturer’s
instructionswheninstallingandterminatingtheexhaust.Theventpipe
should be horizontal and never run the pipe in a downward direction
(recommend a 1/4” [7 mm] rise per foot horizontal).
B. Not less than 4 feet (1.2 m) below, 4 feet (1.2 m) horizontally from or
1 foot (3.1 m) above any gravity air inlet (door, window, etc.) which
flue gases could reenter the dwelling.
C. Not less than 2 feet (.6 m) from combustible materials such as an
adjacent buildings, fences, protruding parts of the structure, roof
overhang, plants and shrubs, etc. and not less than 7 feet (2.1 m)
above grade when located adjacent to the public sidewalks (access).
Thefinalterminationoftheexhaustsystemmustbeconfiguredsothat
flue gases do not jeopardize the safety of people passing by, overheat
combustible portions of nearby structures or enter the dwelling.
D. Not less than 3 feet (.92 m) below an eave (maximum overhang of 3
feet (.92 m) or any construction that projects more than 2” (51 mm)
from the plane of the wall.
Vent Termination Locations
Air Supply Inlet
Vent Terminal
Vertical Terminal
Area Where Terminal Is Not Permitted
24”
(610mm)
Vertical Terminal
G
(From Eave)
24”
(610mm)
A
D
E
Fixed Closed
B
B
N
B
C
B
H
L
M
B
K
F
J
A
Able To Open
A = Clearance above grade, veranda, porch, deck, or balcony (min.
12”/30cm)
L = Clearance to a mechanical air supply inlet *(min. 120”/3.1m)
M = **Clearance above paved sidewalk or a paved driveway located on
public property *(min. 84”/2.1m)
B = Clearance to window or door that may be opened (min. 12”/30cm
above - 48”/1.2m below and to the side)
N = ***Clearance under veranda, porch, deck, or balcony (min.
12”/30cm)
C = Clearance to permanently closed window *(min. 12”/30cm)
D = Vertical clearance to ventilated soffit located above the terminal
within a horizontal distance of *(min. 24”/60cm) from the center-
line of the terminal (min. 22”/55cm) check with local code.
E = Clearance to unventilated soffit *(min. 12”/30cm)
F = Clearance to outside corner *(min. 12”/30cm)
Note:
*
Local codes or regulations may require different clearances.
**
A vent shall not terminate directly above a sidewalk or paved
driveway which is located between two single family dwellings
and serves both dwellings.
G = Clearance to inside corner *(min. 12”/30cm)
H = Not to be installed above a meter/regulator assembly within *(min.
36”/90cm) horizontally from the centerline of the regulator.
J = Clearance to service regulator vent outlet *(min. 72”/1.8m)
K = Clearance to non-mechanical air supply inlet to building or the
combustion air inlet to any other appliance *(min. 48”/1.2m)
*** Only permitted if veranda, porch, deck, or balcony is fully open on
a minimum of two sides beneath the floor.
Figure 9
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To pass inspection in nearly any jurisdiction, the chimney must meet both
safety and exhaust flow requirements. The (3’ by) 2’ by 10’ rule applies
to both masonry and factory-built chimneys
Chimney Height Requirements - Site Built Residential Home
The vent termination height required is - USA, 1-foot minimum; Canada
3-feetminimumabovetheroofpenetrationpointasillustratedbelow(Ref.
USA - National Standard, NFPA 211 and Canada National Standard CSA
B365-01. Check with your local building official for additional require-
ments for your area.
* Ref. USA - National Standard, NFPA 211-latest edition and Canada
National Standard CSA B365-01-latest edition. Vents installed with a
listed cap shall terminate in accordance with the terms of the cap’s
listings.
Termination Cap
Must Be Listed To
UL 641 or ULC S609
Termination When Connected to Masonry Chimney or Existing
Class A Chimney
A flexible corrugated chimney liner has much greater resistance to the
flow of flue gases than does a rigid liner. For this reason we recommend
that a larger, 4” liner be used on vertical runs exceeding 15 feet or that
rigid venting be used . See Figure 12.
USA 1 Foot Minimum *
CANADA 3 Feet Minimum
If a flexible corrugated chimney liner is used, it must be fully extended
to eliminate any sagging and to improve the exhaust flow.
*Min. ꢀ ft. clearance
is required to com-
Termination height is
bustibles (i.e. cedar
shake roof, etc.)
measured above the
highest point where
it passes through the
roof surface.
Listed Pellet Vent
Termination Cap
1’ Section of PL Vent
(listed to UL 641 or
Chase Cover
ULC S609)
Figure 10 - Site Built Residential Home Chimney Height Requirements
Chimney Height Requirements - Manufactured Homes
The chimney must extend 3’ (.92m) above the level of roof penetration
and a minimum of 2’ (.61m) higher than any roof surface within 10’
(3m) (see below). Check with your local building officials for additional
requirements for your area.
3” or 4” liner
(listed to UL 1777
or ULC S635)
Termination When
Connected to Masonry
Chimney or Existing
Class A Chimney
Requires A Listed Termination Cap *
Top OfFlue Must Be
Top Of Flue Must Beꢀ’
3’ Higher Than High-
HigherThan AnyPart Of
Roof Within 10’ Horizontal
Less than
10 Feet (3 m)
est Point Of Roof
Penetration
Figure 12 - Existing Chimney Termination
2 Feet (610 mm) Min.
3 Feet (914 mm)
Minimum
3 Fee
(914 mm
Min.
10 Feet
(3 m)
m = meter
mm = millimeter
Figure 11 - Manufactured Home Chimney Height Requirements
1ꢀ
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Determining Size Of Pipe To Install
30
ꢀ0
To determine what diameter pipe to use in an installation (3” or 4”), first
find the “equivalent pipe length” using the following guidelines, then plot
this number and the altitude on the chart (Figure 13).
4 “ Diameter Only
Fillouttheinstallationchart,andcalculateyourtotalequivalentpipelength.
After you have the total equivalent pipe length, use the Pipe Selection
Chart (Figure 13) below to determine if your installation requires 3” or
4” exhaust pipe.
3 or 4”
Diameter
10
0
3
5
6
7
8
9
10
0
1
ꢀ
4
Installation Chart
Altitude x 1000 Feet
Type of Pipe # of Elbows or
Feet of pipe
Equivalent Feet
5 Feet (1.5 m)
3 Feet (1 m)
Total Equivalent
Feet
Figure 13 - Pipe Selection Chart
90° Elbows/
Tee (A & G)
x
x
x
x
45° Elbows
(C)
NOTE: All equivalent pipe styles
shown for model Montage™ 32FS.
Horizontal
(B & F)
1 Feet (.3 m)
.5 Feet (.15 m)
B
Vertical (E)
A - 90 Degree Elbow
B - 1’ Horizontal Pipe
C - 45 Degree Elbow
D - Standoff Braces
E - 8’ Vertical Pipe
F - ꢀ’ Horizontal Pipe
G - 90 Degree Tee
H - Wall Thimble
Table 3
A
C
Sample Installation Chart
Type of Pipe # of Elbows or
Feet of pipe
Equivalent Feet
5 Feet (1.5 m)
3 Feet (1 m)
Total Equivalent
Feet
D
E
90° Elbows/
Tee (A & G)
ꢀ
1
3
8
x
x
x
x
10 (3 m)
45° Elbows
(C)
3 (1 m)
Horizontal
(B & F)
1 Feet (.3 m)
.5 Feet (.15 m)
3 (1 m)
F
Vertical (E)
4 (1.ꢀ m)
G
Total Equivalent Feet =
ꢀ0
Table 4 - Sample Chart for Figure 14
H
Figure 14 - See Sample Installation Chart
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3. Push the stove with pipe attached towards the wall (the pipe will go
through the wall thimble). Do not position the back of the stove closer
than 2” (51 mm) from the wall (see Clearances, Page 5).
Standard Horizontal Vent Installation
Installing Montage™ 3ꢀFS
4. Install listed type “PL” 45 degree elbow with rodent screen or cap on
outside end of pipe. The Inlet shall remain free of obstruction while
unit is in operation and constructed in a manner so as to prevent
material from dropping into the inlet or into the area beneath the
dwelling. The inlet shall also have a screen with openings not larger
than 1/4" to prevent rodents from entering.
This stove is approved for venting with Type L and Type PL pellet vent
pipe listed to UL 641 or ULC S609. We recommend the use of venting
products manufactured by Security Chimneys International.
1. Locate the proper position for the listed type “PL” wall thimble. Avoid
cuttingwallstudswheninstallingyourpipe.Useasabersaworkeyhole
saw to cut the proper diameter hole through the wall to accommodate
the wall thimble. Use extreme caution to avoid cutting into power lines
within the wall of the home. The hole size will depend on the brand
of pellet vent that you are using. Install the wall thimble in the hole.
5. If the installation includes a source of outside combustion air; cut a
separate hole through the wall for the fresh air tube. This tube should
be1-5/8”(42mm)minimumdiameterI.D.,steelonly.Connectoutside
air pipe to air inlet on stove. This tube must be terminated with a 45
degree elbow or hood.
2. ALL INTERLOCKING PIPE CONNECTIONS MUST BE SEALED GAS-
TIGHT AND SECURED TOGETHER PER VENT MANUFACTURER
INSTRUCTIONS.
Notes:
• Combustion air may also be drawn from a vented crawl space under
the home.
• All joints for connector pipe are required to be fastened together per the
vent manufacturers instructions. If vented horizontally, joints must be
made gas-tight (air tight, sealed connection) in a manner as specified
on this page (see instruction #2). INSTALL VENT AT CLEARANCES
SPECIFIED BY THE VENT MANUFACTURER.
• Greater back clearance will improve the ease of serviceability of the
stove.
Position the stove approximately 12” (305 mm) from the wall on the
floor pad. Push the “PL” pipe through the wall thimble. Squeeze a
bead of high temperature silicone (RTV) sealer around the end of the
machined portion of the 3” (76 mm) pipe connector on the back of
the stove. Firmly push on a section of “PL” pipe until inner pipe liner
pushes into the bead of RTV sealer.
• The end of the exhaust pipe must extend a minimum of 12” (305 mm)
from the outside of the building.
Silicone sealant and 3 screws required on the first vent connection.
Secure and seal the remaining vent sections per vent manufacturers instructions.
Back of
Stove
Wall
Thimble
Quick
Disconnect
Straight “PL-vent”
Pipe
45˚
Elbow
Exhaust
Port
Combustion
Air Inlet
Collar
12” (305 mm)
Min. From
Outer Wall
Lytherm
Gasket
Holes through
the Wall for the
Thimble and
45o Degree
Elbow Joint
for Fresh
Air Pipe
12”(305 mm)
From
Ground or
Other Surface
Fresh Air Pipe
Metal Fresh Air Pipe
OPTIONAL (EXCEPT FOR MOBILE HOME
INSTALLATIONS)
Silicone sealant and three screws required on the first vent connection.
Secure and seal the remaining vent sections PER VENT MANUFACTURER INSTRUCTIONS.
Figure 15 - Horizontal Vent Installation
14
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Standard Horizontal Installation Configurations
Montage™ 3ꢀFS
Maintain minimum clearances specified by vent manu-
facturer between wall and pipe. If you vent to the furthest
wall, the vent pipe must maintain the specified clearance
parallel to the other wall.
Top View Illustration
1" Min.
Wall
Notes:
• Itisnotrecommendedtoterminate
exhaustventontheprevailingwind
side of the house.
1" Min.
Wall
Figure 16 - Montage 32FS, Corner Through the Wall
Note:Horizontalrunofpiperequires
1/4” (7 mm) rise per foot.
ꢀ” (51 mm)
Minimum
Outdoors
Wall
6” (15ꢀ mm)
Minimum
45 Degree
Elbow
1ꢀ” (305 mm)
Minimum From
Outer Wall
1ꢀ”(305 mm) From
Ground or Other Surface
Hearth Pad / Floor Protection
Figure 17 - Montage 32FS, Parallel Through the Wall
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Preferred Installation – Vertical Vent Through the Roof
Standard Vertical Installation Configurations
Model: Montage™ 3ꢀFS
This venting configuration allows for the best stove performance. The
vertical pipe promotes natural draft and with the chimney inside the
dwelling, the flue gases stay warm, thus rising at a consistent rate.
This free-standing model may be connected to an existing flue or by
installing listed type “PL” vent pipe. If a liner is run all the way to the
top of the existing chimney, the existing flue should be sealed with a
steel plate. Start a vertical run with a Tee at the back of the stove. Other
options are illustrated below.
Note: See Pages 10 and 11 for Vent Termination Requirements
Listed Rain Cap
Flashing
Listed Rain Cap
Maintain clearances
specified by vent
manufacturer
Wall Straps
Required Every
4 Feet Minimum
Clean-Out
Tee
Figure 18 - Exterior Vertical Vent
Figure 20 - Vertical Vent Through the Roof
Listed Rain Cap
Listed Rain Cap
Optional Complete
Liner and Listed
Termination Cap
Existing
Chimney Pipe
Pipe Increaser
Optional
Clean-Out
Access Door
Extend Pipe to the Top
if Existing Chimney is
Corroded or Damaged
Maintain clearances
specified by vent
manufacturer
Maintain clearances
specified by vent
manufacturer
Figure 19 - Vertical Vent Into a Masonry Flue
Figure 21 - Interior Vertical Vent into an Existing Class A Chimney
16
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CARE AND OPERATION
Simple Operating Instructions
1. Start
FIRST TIME USE
ꢀ. Preparation
3. Priming the Auger
5. To Start Your Stove
7. Set stove to desired
heat setting (heat output
button). The new setting
willnottakeeffectuntilthe
switch receives adequate
heat to activate.
(Optional)
a] Check hopper and remove
any materials from hopper
and auger
a] Check hopper, and fill with
a] Fill hopper with pellets
pellets, if necessary.
b] Push the "START" button.
Note: use quality grade pellet
fuel
b] CheckUltraGrate™forproper
fit (ensure UltraGrate is set
securely in the base - see
Figure 29)
Note: Room air blower and
exhaust blower start w/ line
voltage for 10 seconds, then
return to settings when last
operated.
b] Push the "START" button
to turn on the blowers and
auger motor
c] Checkdoorgasketanddoor
latch to ensure tight seal
(see Figure 33)
e] When pellets begin to
drop from feed tube into
UltraGrate,pushthe"STOP"
button to stop the auger
8. After approx. 5 minutes
adjust damper if neces-
sary to obtain a bright
vibrant flame.
d] Connect power cord to
grounded power supply
outlet
Notes:
6. Pellets will drop into
UltraGrate and stove will
light in approximately 3
to 7 minutes
•
If the damper is too far
inward the flame will be
lazy/sooty and the fuel will
pile up in the UltraGrate
(see Page 9).
4. Stove is now ready for
start-up
•
If the damper is too far
outward the flame might
be extinguished because
of too much combustion
air.
Yes
Does the Stove Light?
See Page 19 for further
instructions on adjusting
damper using thermostat vs
manual modes.
COMBUSTION
AIR
O
Heat Output
Button
Start Button
(-)
(+)
No
9. To Turn Off Pellet Stove
HEAT
OUTPUT
START
Convection
(room air)
Blower
7a.Followthetroubleshooting
section in this manual
a] Push "STOP"button-stove
enters shut down mode
Button
b] Combustionblowergoesto
highandroomairblowerwill
operate at the panel setting
untillowtemperatureswitch
cools. Pellets stop feeding
and the fire goes out in
approximately 15 minutes
aftertheaugerisshutoff,the
roomairblowerandexhaust
blower will automatically
shut off.
BLOWER
Yes
PELLET
FEED
O
Does the Stove Light?
(-)
(+)
FEEDING
STOP
No
Stop Button
HEARTH PRODUCTS
Contact your Lennox Hearth
Products dealer for further
assistance
10. Thank you for purchasing a Lennox
Hearth Products Pellet Stove
END
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IMPORTANT NOTE: If the fuel feed trim or combustion air trim needs to be adjusted, contact
your dealer or qualified technician to calibrate internal software. The trim controls should
only be adjusted for the proper flame if all other options did not achieve proper adjustment.
It is recommended that the damper be used to fine-tune your stove to your particular fuel and
installation configuration (see Damper Adjustment on Page 9 and Damper Adjustment Guide-
lines on Page 20).
Control Board Operation
START BUTTON
The "START" Button turns on the pellet stove.
Iftheexhaustdoesnotreachoperatingtempera-
ture within 30 minutes, the stove will automati-
callyshutdown. Thepelletstovecanberestarted
by pushing the "START" Button again.
Combustion
Blower Trim
COMBUSTION
4 Position
Connector
AIR
RESTART
Heat Output
Button
O
Start
Button
(-)
(+)
AUGERON(greenLED)-Theaugerrestartsand
returns to delivering fuel to the UltraGrate™.
Convection
(room air)
Blower
HEAT
START
OUTPUT
STOP BUTTON
Heat Output
LEDs - Red
(5 places)
Main
Button
Wire
Note: The "START" Button has to be activated to
give power to the AUGER ON/OFF button.
Convection
Blower
Speed Trim
Harness
Connector
BLOWER
Pellet Feed
Trim Pot
The "STOP" button turns the pellet stove OFF.
When the LED is green, the auger is ON.
PELLET
FEED
Convection
(room air)
Blower LEDs
- Green
O
(-)
(+)
FEEDING
SHUT DOWN (LED off) - Auger turns OFF and
fueldeliverystops. Theblowerswillcontinueto
operate until the stove has cooled sufficiently.
Stove enters shut down mode.
Auger LED
Green = On
P/N
Label
Location
(5 places)
To Thermostat
Terminal
STOP
Stop
Button
m 5- High
m4-Med.High
m 3- Medium
m ꢀ- Med. Low
m 1- Low
HEAT OUTPUT BUTTON
HEARTH PRODUCTS
When not using a wall thermostat, the "HEAT
OUTPUT" button provides the ability to burn
at five separate settings from low (#1) to high
(#5). The "HEAT OUTPUT" button regulates the
fuel feed setting and the combustion air supply
simultaneously.
Fuse
Figure 23 - Back Side of Control Board
Figure 22 - Control Board
Fuel Delivery Rate
Eachtimethe"HEATOUTPUT"buttonispressed
the heat output will advance to a higher setting.
When at the highest setting (#5), if the button
is pressed again it will go back to the lowest
setting. Settings can be changed at any time
but will only take affect after the start-up cycle
is complete.
The "HEAT OUTPUT" button manages the fuel delivery rate by controlling the amount of time the
auger motor will run as follows:
Heat Output
Setting
Auger Motor OFF/ON * Lb.’s Per Hour
w Approximate BTU Per
Hour Fuel Delivery
Burn Time
(hours)
Time (seconds)
Fuel Delivery
(#5) High =
1.3 / 0.9
3.8 Lb.'s /hr.
32,000 BTU/hr
25,000 BTU/hr
21,000 BTU/hr
17,000 BTU/hr
13,000 BTU/hr
15
18
22
31
37
(#4) Med.High =
(#3) Med.=
1.8 / 0.9
3.0 Lb.'s /hr.
2.5 Lb.'s /hr.
2.0 Lb.'s /hr.
1.5 Lb.’s hr.
CONVECTION (ROOM AIR) BLOWER
BUTTON
2.2 / 0.9
The "BLOWER" button operates the convection
blower. This will change the flow of hot air into
the room. Five settings are available from low
(#1) to high (#5). When the "BLOWER" button
is pressed, the green indicator light will scroll
from low to high. When at the highest setting
(#5), if the button is pressed again it will go
back to the lowest setting.
(#ꢀ) Med.Low =
(#1) Low =
2.6 / 0.9
3.1 / 0.9
Table 5 - Model Montage™ 32FS
Note: Maximum hopper capacity is 55 lb.’s
*
Feed rates are approximations only. Actual feed rate will vary depending on size, quality and length
of fuel used and variations in line voltage.
w Estimated heat input based on fuel value of 8400 BTU per lb. of fuel.
Whenthe"HEATOUTPUT"buttonisonposition
#5, the lowest blower setting is #3. When the
heatoutputbuttonisonposition#4,thelowest
blower setting #ꢀ. This is a safety precaution
toprotectagainstoverheating.Blowersettings
can be changed at any time, but will only take
affect after the start-up cycle is complete.
WARNINGS
Never empty pellets from the Burn-Pot into the hopper. Pellets that
may appear to be cool may retain enough heat to ignite other pellets
resulting in smoke or fire damage.
Note:Thecontrolboardhasaninternalmemory
which recalls the last setting prior to loss of
power.
DO NOT OVERFIRE THIS STOVE. This may cause serious damage to
your stove and void your warranty. It also may create a fire hazard in
your home. IF ANY EXTERNAL PART OF THE UNIT BEGINS TO GLOW,
YOU ARE OVERFIRING. Immediately press the “STOP” button on the
control board.
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Pre-lighting Instructions
General Operating Considerations
During an initial start-up, or in the case where the hopper has run out of
fuel, it will be necessary to prime the auger feed system.
Proper Burn Characteristics: Your flame should be bright yellow under
normal operations. If your flame becomes reddish/orange, your stove
probablyneedsroutinemaintenance. Excessiveamountsoffly-ashbuild-
up in the UltraGrate, clinkers in the UltraGrate, or leakage of air if the
UltraGrate is not properly seated, will starve the fire for air. (See Routine
Maintenance for information on cleaning the stove). If the problem per-
sists, review the troubleshooting section at the end of this manual.
To prime the auger feed system:
1. Fill the hopper with recommended pellet fuel and plug the stove into
the wall outlet.
2. Press the "START" button on the control board to start the fuel feed.
Next, press the "HEAT OUTPUT" button to position #5 (maximum feed
rate).
3. Lookthroughthecombustionchamberdoorandwhenyouseethefirst
pellets dropping into the UltraGrate™, the auger is then fully primed.
It will take 10 to 15 minutes to prime the auger.
4. Once the auger is primed, press the "STOP" button to turn off the auger
(LED will go off).
Manual and Automatic Operation
Your pellet stove can be operated in either the manual or automatic mode.
The manual mode is used when operating without a wall thermostat. The
automatic mode is used when utilizing a wall thermostat. When utilizing the
thermostat capability, the burn time can be extended dramatically depending
on thermostat setting. Note: It is normal for some ash to build up on the
inner glass surface at the lower Heat Output settings.
Starting Your Pellet Stove
1. Make sure the auger is primed (see Pre-Lighting Instructions on this
page), then simply push the "START" button on the control board to
activate the Fastfire™ igniter.
Manual Operation
2. Whilethepelletswilligniteonanyheatoutputsetting,itisrecommended
that the "HEAT OUTPUT" button be set to position #3. Pellets will start
feeding into the UltraGrate and should begin to ignite in approximately
three to seven minutes. The Fastfire igniter will automatically shut off
after 8 minutes.
3. After the pellets are burning well, press the "HEAT OUTPUT" selector
to the desired setting. Combustion air and the pellet fuel feed rate will
adjust automatically as the "HEAT OUTPUT" button is pressed. The
flame should be bright yellow in color and there should be no evidence
of soot formation at the top of the flame. Press the "BLOWER" speed
button to increase or decrease the blower speed to the desired level
4. If operating your stove with the wall thermostat, adjust the "HEAT
OUTPUT" button to the desired demand mode (#1 through #5 on the
"HEAT OUTPUT" button). Next, adjust the wall mounted thermostat
to the desired room temperature and your stove will automatically
switch between a demand mode and stand-by mode.
Pressing the "START" button will initiate the start-up cycle. The auger
LED will be green to indicate the “on” status. The blower speeds and
pellet feeds are fixed during this time to provide appropriate ignition.
The Fastfire igniter system will light the pellets fed to the UltraGrate, after
about 3 minutes. After the start-up cycle, your stove will be in the run
mode. At this point the stove will operate with the heat output ("HEAT
OUTPUT"button)andblowersettings("BLOWER"button)selected. These
settings can be selected either during or after the start-up cycle. Pressing
the "STOP" button during the run mode will initiate the shut down cycle
(feeding LED will go off). The pellets will stop feeding and the blowers
will run at a fixed speed for approximately 10 minutes. At this point your
stove is safely shut down. The stove can be restarted by pressing the
"START" button during the shut down cycle.
Automatic Operation
Your stove is capable of running in an automatic mode with the use of
a wall thermostat.
Notes:
Cold Start - When the "START" button is pressed when the appliance
is cold, voltage will bypass its normal circuit through the low limit
thermal switch (for 20 minutes to allow adequate time for the low limit
thermal switch to heat [140° F min.] which will close the circuit). The
combustion and convection blowers will start at maximum speed.
After approximately 10 seconds both blowers will default to settings
they were at after the last shut down was completed (indicated by
LED's #1 to #5). The Fastfire igniter will operate for approximately 8
minutes. The auger will turn continuously for a predetermined dura-
tion at the respective Heat Output Settings, followed by the normal
operating mode.
For the wall thermostat to control the operation of the stove, set it to a
temperature that will put it in the demand mode (calling for heat). The
thermostat will establish either a demand mode or a stand-by mode.
The thermostat should be set for the desired room temperature. If the
room temperature drops below the level on the thermostat the stove
will automatically begin the start-up cycle, as explained in the Manual
Operation section.
Once the start-up cycle is completed the stove will operate at whatever
heat and blower setting you have selected. For best operation under
thermostatcontrol,themediumorhighsettingsarerecommended. When
the desired room temperature is reached the stove will automatically go
into the shut down cycle. The pellet feed will stop and the blowers will
continue for a controlled time allowing safe shut down of your stove. All
lights will remain on when the thermostat is open. The "HEAT OUTPUT"
and "BLOWER" settings can be changed at any time, but only take affect
during the run mode. When the temperature in the room drops to the
level set at the thermostat, the stove will again begin the start-up cycle
and resume automatic operation in the demand mode.
Re-Fueling While in Operation
1. Open hopper lid and fill hopper with pellets.
2. Make sure the hopper lid is completely closed.
3. Check to make sure the stove remains lit.
4. If the flame goes out, press the "start" button on the control panel to
re-ignite.
Note: If the "START" button is pressed while the thermostat is in the
standby mode the stove will not restart until the thermostat closes (call-
ing for heat).
Caution: Failure to ensure pellets in the UltraGrate remain
burning after re-fueling may result in smoke escaping from
the unit.
19
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Note:Excessiveamountsoffly-ashbuilt-upintheUltraGrate™,clinkers
in the UltraGrate or leakage of air (if the grate is not properly seated)
will starve the fire for air. See Routine Maintenance, on Pages 21
through 24 for information on cleaning requirements.
Turning Off Your Stove
Press the "STOP" button to initiate the shut down cycle (auger LED will
be red). The pellets will stop feeding and the blowers will continue to
run on a timed cycle. The stove will shut down safely upon completion
of the shut down cycle.
Excessive Combustion Air:
Adjustingthedampertoamoreclosedpositionwillreducethecombustion
air delivery. Symptoms of excessive air include; fuel burns too quickly
(results in smoking or smoldering pellets), white to yellow flame, etc. If
the damper is open too far, the burning pellets will lift off the grate and fly
up into the air much like popping corn does. Another flame characteristic
of a damper that is open too far is a flame that has significant variation
in height on any single burn setting.
Shutdown Mode - When the thermostat opens (not calling for heat),
or the auger "STOP" button is pressed (feeding LED will be off), power
to auger motor will be discontinued. The blowers will continue at the
control board setting until the low limit thermal switch cools enough
(below 120° F) to open. For safety, the blowers will continue to run
for approximately 10 minutes before the unit shuts down.
Note: Excessive combustion air reduces efficiency.
Damper Operation
Contributing factor:
The damper assembly controls the amount of combustion air that is
delivered to the firebox. With the damper adjusted all the way in, the
airflow will be at its minimum. As the damper is moved outward, more
air is delivered (see Damper Location and Adjustment on Page 9).
• Venting system providing excessive draft.
• Dry, hot burning fuel
Correct Combustion Air / Proper Burn Characteristics:
It will be necessary to monitor the appearance of the flame during the first
4-8 bags of pellets. If the flame is smoky red or orange with evidence of
soot at the top of the flame, the damper will need to be adjusted to deliver
more combustion air (see Damper Location and Adjustment on Page 9).
If the flame is "short" at the higher burn rates and appears to burn the
pellets out of the UltraGrate™ faster than they can be resupplied, or there
are significant variations of flame height within a single burn setting, the
damper may need to be adjusted to deliver less combustion air.
When the damper is correctly set, the burning pellets should move
(wiggle) around slightly and the flame should be bright yellow and stay
at relatively even height.
Automatic Safety Features
Power Outage:
During a power outage, the stove will shut down safely. The stove will
automatically restart when power is resumed. The solid state control
board has an internal memory that will retain heat output and blower
speed settings through voltage interruptions.
After the damper is adjusted, re-evaluate the appearance of the flame. It
may be necessary to continue adjusting the damper in increments until
proper combustion is achieved (the flame should become a brighter
yellow and begin to “dance”).
A small amount of smoke may leak from the top of the window glass,
the hopper and from the combustion air intake, if the stove is vented
horizontally with no vertical pipe. This will not persist for more than 3
to 5 minutes and will not be a safety hazard. It may set off your smoke
alarm.
Once the damper has been properly set (and if the routine maintenance
is performed as needed), the damper should not require re-adjustment
unless you are changing from a premium grade pellet to a standard or
high ash pellet, in which case the damper may need to be moved outward
to help prevent the accumulation of ash in the UltraGrate.
Note: If the area in which you live is prone to frequent power outages, it
is recommended that a minimum of 8 feet (2-1/2 meters) of vertical vent
pipe be included in a free-standing installation to induce a natural draft
in the event of a power failure.
Damper Adjustment Guideline
Lack of Combustion Air:
By opening the damper, this will increase combustion air delivery. Symp-
toms of insufficient combustion air include; unburned fuel, lazy smoky
or red / orange flame, excessive ash or soot, excessive buildup on glass,
fuel may “pile-up.“
Overheating:
Hightemperaturethermalswitcheswillautomaticallyshutdownthestove
ifitoverheats.Allowupto45minutescoolingtimebeforere-lighting.Keep
enough convection air going through stove to keep it cooling properly
(adjust convection [room air] blower speed to a higher setting), this will
ensure long life of the stove. If the overheating continues, contact your
Lennox Hearth Products dealer for more information.
Contributing factors:
• High Altitude – Lack of oxygen
• Restrictive Venting (elbows, horizontal runs, cold external chimneys,
etc.)
• Dirty / Poor Quality Fuel
• Lack of Maintenance
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Wood pellets manufactured to the pellet fuels institute (P.F.I.) certification
standardareavailableintwogrades, StandardandPremium. Theprimary
difference between the two is the ash content of the pellets.
FUEL
The P.F.I. specification for standard grade & premium grade residential
pellet fuel is as follows:
CAUTION
The use of unapproved, dirty, wet and / or high salt
• CHLORIDES (Salt): Less than 300 p.p.m. to avoid stove and vent
rusting.
content fuel will void the warranty!
• BULK DENSITY: 40 lb. / Cu. Ft. minimum
Fuel Specifications - Using the Ultragrate™ burn system, this appliance
has been designed to burn wood residue pellets only (with up to 2% ash
content). Agricultural pellets (i.e. corn, alfalfa etc.) are not permitted to be
burned in the stove. Dirty fuel will adversely affect the performance of the
stove. The pellet fuel should meet P.F.I. (Pellet Fuel Institute) standards
for standard grade or premium grade residential pellet fuel. If the pellet
fuel meets these standards, it will be printed on the bag. Any questions
regarding pellet fuel can be answered at the Pellet Fuels Institute (PFI),
• MOISTURE CONTENT: 8% maximum
• ASH CONTENT: < 2% maximum (standard grade) < 1% maximum
(premium grade)
• FINES: 0.5% maximum through a 1/8” screen
• BTU CONTENT: There are a number of variations in pellet fuels that are
not included in PFI standards. For example, BTU (heat value) content
may range from just under 8,000 to almost 9,000 BTU, depending
upon species and region of the country and other variables.
Pellet Feed/Pellet Size - The pellet feed system is designed to handle a
wide range of pellet sizes up to a maximum of 5/16” diameter. Different
pellets may feed at considerably different rates. You may notice a differ-
ence in the burn if you change pellet fuel sizes. The longer the pellet, the
slower it will feed and vice versa. If the stove will not stay burning at the
minimumfuelfeedsetting, thoseparticularpelletsmaynotbefeedingfast
enough.Ifthishappens,reducetheamountofcombustionairbyadjusting
the damper. See Pages 9 and 20 before adjusting the damper.
ROUTINE MAINTENANCE
IMPORTANT CAUTIONS:
• UNPLUG POWER CORD AND ENSURE APPLIANCE IS COLD
BEFORE PERFORMING ANY MAINTENANCE WORK.
Clinkering - Silica (or sand) in the fuel, along with other impurities, can
cause clinkering. A clinker is a hard mass of silica formed in the burning
process. Clinkering is a function of the fuel, (not the stove), but adversely
affects the performance of the stove by blocking off the air passages in
the grate. Even P.F.I. approved pellet fuel may tend to clinker. A clinker
can be removed from the UltraGrate™ and placed in the ash pan with
the use of the grate scraper/ash pan tool furnished with your stove. See
Routine Maintenance (on Pages 21 through 24) for more information
on cleaning.
• Some brands of pellets produce more ash and clinkers than
others. Therefore the frequency of performing the following
cleaningproceduresdependstoagreatdegreeonthequality
of the pellets burned.
• Not cleaning this unit will cause it to burn poorly and will
void your warranty for this appliance.
• When removing ash build-up, use an approved ash vacuum
only. Acleaningbrushcanbeusedtoloosenanyashbuild-up
before vacuuming. DO NOT USE A STANDARD HOUSEHOLD
VACUUM OR “SHOP VAC” AS THE FILTERS WILL LEAK THE
FINE PARTICLES OF ASH INTO THE HOME.
Ash - The frequency of removal of the ash and maintenance performed
on the stove is directly proportional to the ash content of the fuel and the
operation duration of your pellet stove. Low ash fuel may allow longer
intervals between cleaning, however, a stove burning high ash fuel may
need to be cleaned as often as everyday.
Notes
•
Cleaning schedule will vary depending on quality of pellets used.
Burning high ash pellets will require more frequent cleaning.
Using a drop cloth is recommended as some ash may spill onto the
floor during the cleaning process.
Fuel Feed Rates - Different brands of pellets will feed at varying rates
due to their size and density (length and diameter). This may require a
slight adjustment in the damper control (see Page 9) or the fuel feed trim
control to compensate (see Page 18).
•
Cleaning
Note: See Fuel Delivery Rate on Page 18 for burn times.
The following areas need to be inspected and cleaned during routine
cleaning:
PLEASE NOTE: Lennox Hearth Products has no control over the manu-
facturing of pellet fuel and will not be held responsible for poor stove
performance or any damage caused by poor quality pellet fuels.
• Heat Exchange Tubes / Tube Scraper (Homeowner)
• Baffle Plates (Qualified Technician Only)
• Proof of Fire Switch (Qualified Technician Only)
• Window Wash (Homeowner)
Pellet Fuel Storage -
• Store your wood pellets in a dry place to prevent them from absorb-
ing excess moisture.
• Do Not store your wood pellets within the clearance zone of the
stove.
• Do Not store your wood pellets in a place that would block removal
of the ash pan or block access to refueling the hopper.
• Ash Clean-Out Ports (Qualified Technician Only)
• Paint Touch-up (Qualified Technician Only)
• UltraGrate (Burn Grate) (Homeowner)
• Ash Slide Plate (Homeowner)
• Ash Pan (Homeowner)
• ExhaustPassages/VentPipeandCreosoteRemoval(QualifiedTechni-
cian Only)
• Gaskets (Qualified Technician Only)
• Cleaning Rear Stove Compartment (Qualified Technician Only)
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Heat Exchange Tubes
Tube Scraper - Using the hole in the handle of the Grate Scraper Tool
Front
“grab” the scraper rod as shown in Figure 26. Using the Grate Scraper
Tool, pull the rod up and out towards the opening of the firebox. Con
-
tinue pulling until the Tube Scraper reaches the top of the firebox. Pull
the tube scraper out, then repeat 2–3 times to remove fly-ash from the
heat exchange tubes.
Baffle Plate
It may be easier to clean the tubes if the heat exchanger baffle plate is
removed first (located in the firebox below exchange tubes).
Back
Baffle Removal - The baffle plate contains two keyhole slots (see Fig
-
ures 24A and 24B), which allows the two retaining screws to remain in
place while removing the baffle plate. To remove baffle, loosen the two
screws holding the baffle in place (do not fully remove). Slide the baffle
plate to the left until the screw heads clear the open end of the key hole
slots. Remove the baffle plate diagonally through door opening. The tube
scraper rod can now be pulled in a more horizontal manner, which allows
the scraper to move more freely.
Keyhole Slots
(ꢀ places)
Figure 24B - Removing Baffle Plate
Note: The baffle plate should be removed at least once a year to allow
for a thorough cleaning.
Cleaning Behind Tube Scraper
DETAIL A
WARNING
DO NOT USE BRUSH ON HOT STOVE
Clean between the heat exchange tubes using a cleaning brush as illus-
trated in Figure 25.
With tube scraper rod pulled out 2 to 3 inches, insert brush behind tube
scraper and remove ash build-up. Clean to the left and right side of heat
exchanger, between tubes and the top of the firebox.
DETAIL A
Baffle
Screw
Baffle
Plate
(Recommended Frequency
ofꢀ weeks -ꢀ months)
Brick
Panel
Brick
Retaining
Bracket
Figure 25 - Clean Behind Tube Scraper
Figure 24A - Removing Baffle Plate
ꢀꢀ
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Ash Clean-out Ports
(RecommendedFrequency
of ꢀdays– ꢀweeks)
IMPORTANT NOTES:
• ENSURE APPLIANCE IS COLD BEFORE BEGINNING.
• FIREBRICK PANEL MUST BE INSTALLED BEFORE OPERATING
UNIT.
• ASH CLEAN-OUT PORTS MUST BE CLEANED OUT AS PART OF
ROUTINE MAINTENANCE.
Accessing Ash Clean-Out Ports
1) Open firebox door.
Figure 26 - Pulling Tube Scraper Rod
2) Remove Firebrick Panel (see Figure 24A):
a. Remove the two firebrick retainer brackets using a 5/32" allen
wrench (located on the left and right side of the firebrick inside
firebox). Loosen the screws (do not remove) until screw heads
can be removed through the key hole slots in the brackets.
b. With the brick retainer brackets removed, lift firebrick panel up
and out.
Proof of Fire Switch
This switch needs to be removed and cleaned after every 100 bags of
fuel burned.
Cleaning Procedure:
3) Using an approved ash vacuum, remove the ash build-up. A cleaning
brush can be used to loosen any ash build-up before vacuuming.
1) UNPLUG STOVE!
2) Locate the switch behind the right side panel, mounted on the com-
bustion blower.
4) Reinstall firebrick panel.
5) Close firebox door.
3) Using a flat-head screwdriver, remove the 2 screws which secures the
switch to the blower housing.
4) Using a dry cloth, wipe off any flyash build-up on the sensor portion
of the switch.
5) Reinstall switch. Ensure wires are properly connected to the switch
and the connectors are not making contact with the blower housing.
Close side panel.
(Recommended Fre-
quency of 1-ꢀ months)
(firebox viewed fromfrontwith
firebrick panel removed)
Note: Failure to clean the proof of fire switch when needed may result in nui-
sance shut-downs because the fly-ash build-up insulates heat from reaching
theswitch.
(Recommended Frequency of 1 year or after every 100 bags of fuel used)
Window Wash
Usingasmallbrush, sweepoutalldebrisbuildupfrombehindthewindow
wash bracket as shown in Figure 27.
Vacuum Out Fly Ash Clean-Out
Ports (indicated by arrows)
Figure 28 - Ash Clean-Out Ports
Soot and Flyash:
Formationandneedforremoval-Theproductsofcombustionwillcontain
small particles of flyash. The flyash will collect in the exhaust venting
system and restrict the flow of the flue gases. Incomplete combustion,
such as occurs during startup, shutdown, or incorrect operation of the
room heater will lead to some soot formation which will collect in the
exhaustventingsystem. Theexhaustventingsystemshouldbeinspected
at least once every year to determine if cleaning is necessary.
(Recommended
Frequency of 1 year)
Figure 27 - Clean Behind Window Wash Bracket Using Brush
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE
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UltraGrate™ (Burn Grate)
Ash Pan
The ash pan will have to be emptied periodically, depending on amount of
Inspect the UltraGrate periodically so that the air holes don't clog with ash
or clinkers. The UltraGrate can easily be cleaned with the grate scraper
tool, or it can be removed. It is very important to monitor the ash build
up under the UltraGrate, as too much of ash will block combustion air
from entering the grate, causing pellets to pile-up in the grate. A clogged
grate will reduce the overall performance of the stove, cause dirty glass
and if not cleaned may lead to smoke escaping the stove. The ash build-
up under the grate is easily dumped into the ash pan by pulling out the
ash slide weekly (see Ash Slide Plate, Figure 30).
fuel consumed. The ash pan is located in the pedestal. See Figure 31.
CAUTION: Disposal of Ashes - Ashes should be placed in a metal con-
tainer with a tight fitting lid. The closed container should be placed on
a non-combustible floor or the ground - well away from all combustible
materials, pendingfinaldisposal. Iftheashesaredisposedofbyburial
in soil or otherwise locally dispersed, they should be retained in the
closed container until all cinders have been thoroughly cooled.
(Recommended Frequency
of 1 day – 7 days)
Ash Pan
UltraGrate
(Recommended Frequency
of ꢀ days – ꢀ weeks)
The grate scraper tool fits into
this slot for easy removal
Figure 31 - Ash Pan
Figure 29 - Inspect UltraGrate and Clean if Necessary
Creosote Removal
When wood is burned slowly, it produces tar and other organic vapors,
which combine with expelled moisture to form creosote. The creosote
vapors condense in the relatively cool chimney flue of a slow-burning fire.
As a result, creosote residue accumulates on the flue lining.
Ash Slide Plate
Ash that accumulates around the grate can be “dropped” into the ash
pan as follows:
When ignited this creosote makes an extremely hot fire. The chimney
connector and chimney should be inspected at least once every two
months during the heating season to determine if a creosote buildup
has occurred.
1. Open the firebox door.
2. Pull open the ash release slide plate as shown in Figure 30.
3. Using a brush, sweep the ashes from the firebox through openings
to the ash pan.
If creosote has accumulated it should be removed to reduce the risk of
a chimney fire.
4. Close the ash slide plate, then close the firebox door.
Exhaust Passages and Vent Pipe
IMPORTANT NOTE: Make sure to fully close the ash slide plate when
complete. Failure to close the ash release slide plate completely may
causethefueltoburnpoorly(duetoreducedairflowthroughthegrate),
which may then cause pellets to “pile up” in the grate. The ash slide
must be fully closed for the firebox door to close.
Inspect frequently and clean when necessary. Fly-Ash will accumulate at
all bends in the exhaust system.
Note: Large amounts of fly-ash build-up will create a lack of combustion
air. Removing the clean-out tee cap on vertical installations will allow an
inspection of the ash build-up in the clean-out tee and will help you to
decide how frequently more extensive cleaning must be performed.
(RecommendedFrequency
of 1– ꢀweeks)
Sweep ashes into
openings on sides
Rain Cap
(Minimum Frequency of
1-ꢀ months)
Clean-Out Tee
Remove cover, then
remove ash
Ash Slide Plate
Figure 30 - Using the Ash Slide Plate
Figure 32 - Clean Vent Components
ꢀ4
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Motor Lubrication
Door Rope Gasket
The condition of the rope gasket around the door and windows should be
checked periodically and replaced or repaired if necessary. The door gasket
does not need to be “tight” in all areas, since a small amount of leakage is
not hazardous or detrimental to the performance of your stove.
The blowers are permanently lubricated by the manufacturer. Do not
apply oil to any part of the blower, doing so may cause damage.
Blower Cleaning
Cleantheairholesonthemotorsofboththeexhaustandroomairblowers
annually. Remove the exhaust blower from the exhaust duct and clean
out the internal fan blades as part of your fall start-up.
Rear Stove Compartment
The rear stove compartment should be cleaned periodically (a minimum
of once a year). DISCONNECT ELECTRICAL CORD PRIOR TO CLEANING
STOVE. Any household dust, pet hair or sawdust should be vacuumed
or wiped out of the rear compartment of the stove, room air blower, and
combustionblower(payingspecialattentiontovacuumingouttheintakes
of both blowers). The electrical components should be wiped clean.
Door Gasket
Cleaning Glass
DO NOT CLEAN THE GLASS WHEN THE STOVE IS HOT.
CAUTION: Do not open the front door when the stove is hot.
Clean the glass using a soft cloth or paper towel and a house-
hold glass cleaner or gas stove window cleaner. A commercial
glass cleaner designed for stoves is recommended. Do not use
abrasive cleaners. A damp cloth with a small amount of ash
from the firebox can also be used to clean the glass.
Figure 33 - Checking Door Gasket
Servicing Glass
Opening Side Panels
CAUTION: BE CAREFUL NOT TO ABUSE THE DOOR ASSEMBLY
BY STRIKING OR SLAMMING IT. IF THE DOOR ASSEMBLY OR
GLASS IS BROKEN OR DAMAGED, THEY MUST BE REPLACED
BEFORE HEATER CAN BE SAFELY OPERATED. USE ONLY COM-
PONENTS PROVIDED BY THE MANUFACTURER AS REPLACE-
MENT PARTS.
The hinged side panels are held closed with magnets. To open, grab the
upper portion of the side panel (at front of stove) and pull each panel
outward (see Figure 34). The side panels will hinge open from the back.
After maintenance is complete, close the side panels.
Small Area Paint Touch-up
The stove body is painted with a quality high-temperature stove paint.
Use only model TSPK-B Stove Paint, Catalog # 70K99. Do not touch-up
your stove with any other paint.
Using one small piece of 320 grit sand paper and lightly sand the blem-
ish so that the edges are “feathered” or smooth to the touch between
the painted and bare surfaces. Do not let the sand paper gum up with
paint, as this will cause scratches on the metal surface. If there are any
scratches, use 600 grit sandpaper instead. Mask off surfaces you do
not want painted. Paint lightly over the bare surface first as this will act
as an undercoat. Then paint over a larger area in smooth even strokes
to blend.
Right
Side
Panel
Left
Side
Panel
Figure 34 - Opening Side Panels
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE
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SPECIFICATIONS - Montage™ 3ꢀFS
Product Reference Information
Cat. No.
Model
Ship. Weight
Ship. Volume
H6839
Montage 3ꢀFS
ꢀ85 lb.
ꢀꢀ.06 cu. ft.
Flue Size
3” (76 mm) Rear
Floor Protection
Requirements
Front and Sides: 6”(15ꢀ mm)
Back: Up to 6”(15ꢀ mm)
u
Hopper Capacity
Burn time
55 Lbs.
v
5-7/8"
15 - 37 hours
v
Fuse, Control Board
Fuse, Igniter
5 Amp, ꢀ50 volt, 3AG
w
24-11/16”
627mm
6 Amp, 1ꢀ5 volt
w
Clean-Out
Tee
Heat Input
(BTU’s per hour)
13,000 - 3ꢀ,000 BTU/hr
v
Stove Back
Emissions
Efficiency
< 4.03 gr/hr EPA Certified
8ꢀ%
9-3/16”
233mm
Convection (room air)
Blower
150 CFM; 1.5 Amps,
ꢀ175 rpm
Combustion Blower
95 CFM: 1.0 Amps,
3000 rpm
9-5/8”
245mm
28-11/16”
729mm
Auger Motor
1.ꢀ5 RPM; .48 Amps
Standard Features
Fastfire™ Self Igniter
Wall Thermostat
(wire included)
1-9/16”
40mm
Notes:
•
Dimensions shown are approximations only
.25(+/- 1/4”)
•
•
Approved for Manufactured Home Installations.
Optional Kits Available - Decorative trim kits, log
set, window screen and 3" and 4” Quick Discon-
nect kits.
23-1/8”
507mm
22-1/2”
572mm
•
The burn grate is designed with advanced
UltraGrate™ technology.
In Canada floor protection is required directly
underneath and 2" from the sides of the flue or
chimney adapter. This is recommended in the
US.
u
Flue Outlet
2-15/16”
75mm
2”
51mm
Combustion
Air Inlet
Burn times, hopper capacity and BTU input
may vary depending on the size and type of fuel
used.
v
w
11-1/4”
286mm
5-1/2”
140mm
11-1/4”
286mm
7”
178mm
Fuses are rated as fast acting.
ꢀ6
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• ThermalSwitch,LowLimit(Ceramic,F140-ꢀ0F,N/O*)(G)-This"proof
of fire" switch will close at 140° F and will not open until it reaches
a temperature of 120° F. This switch is located on the combustion
blower (behind the right side panel). It is designed to shut down the
stove (auger motor and both blowers) if it does not detect the heat of
a fire at the end of the initial startup period.
• Hopper Lid Switch (H)
COMPONENT DEFINITIONS
• Air Wash
A small slot in the door that allows room air to be pulled into the
firebox and pours over the inside surface of the door glass to inhibit
the build up of soot.
• Auger (A)
It is located on the left hinge area inside the hopper. It detects whether
the hopper lid is open and will turn off the auger motor if the hopper
lid is not properly closed. When opening the hopper when refueling,
do not allow the hopper lid to remain open too long or the fire may
extinguish. NEVER DISCONNECT OR BYPASS THIS SWITCH FOR
ANY REASON.
A motor powered screw device that transfers the fuel from the hopper
to the feed chute to deliver pellets to the UltraGrate™.
• Auger Motor (B)
It drives the auger. Motor specifications are: 0.5 Amp, 1.25 RPM
(revolutions per minute).
• Blower, Convection (Room Air) (C)
The blower function is to transfer the heat from the appliance to heat
the room air.
• Blower, Combustion (Exhaust) (D)
• Hopper (I)
The hopper is where the pellets are stored.
• Control Board (Heat Output Button) (J)
It controls power to the feed system - auger motor and combustion
blower. Use the heat output button to adjust to any of the five feed
rate settings (which controls the burn rate).
• Pressure Switch (K)
It has a radial impeller to deliver more air to the UltraGrate™. It pulls
air into the UltraGrate by creating a negative pressure. This is done
by extracting the exhaust gases out of the firebox and pushing the
exhaust downstream to the flue exit.
A safety device used to shut off the feed system (auger motor) if there
is too much back pressure in venting system. Some possible causes
are as follows:
- The venting system is obstructed.
- High altitude or other misc. environmental conditions affecting
exhaust flow.
- Improper venting system.
The Pressure Switch is located inside the right access door right next
to the combustion blower.
• Thermal Switches, High Limit
There are two of these high-limit thermal switches on this model. If
a temperature reaches the high limit temperature, the reset switch
will “trip” and stop the flow of electricity to the auger motor. The
thermal switches will not reset until they have cooled below low reset
temperature).
- AutoResetThermalSnapSwitchforRoomAirBlower(Lꢀ50-30F,
N/C*) (E)– This switch will trip at 250° F and will automatically
reset when it reaches a temperature of 220° F. This switch is
located on the room air blower jacket and is designed to detect
an overfire condition.
- Auto Reset Thermal Snap Switch for Combustion Air Inlet
(Lꢀ50-30F, N/C*) (F) This switch will trip at 250° F and will
automatically reset when it reaches a temperature of 220° F.
This switch is designed to detect reversed flow or excessive
heat in the ashpan area. This switch is located on the firebox
base behind the convection jacket, directly above the ashpan.
This switch is most easily accessed by removing the ashpan
• UltraGrate (Burn Grate) (L)
This is where combustion occurs and may be referred to as the “Burn
Grate”.
* N/C = Normally Closed
N/O = Normally Open
COMBUSTION
AIR
O
(-)
(+)
A
D
HEAT
OUTPUT
START
J
BLOWER
PELLET
FEED
C
O
(-)
(+)
I
FEEDING
STOP
HEARTH PRODUCTS
L
K
B
E
G
Figure 35
F
H
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE
ꢀ7
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Montage TM 32FS
Wire Diagram
NOTE: SWITCH CONDITIONS
GIVEN AT ROOM TEMPERATURE,
STOVE OFF
J = JACK
P = PLUG
= FEMALE DISCONNECT
= MALE DISCONNECT
= STUD CONNECTION
N/C = NORMALLY CLOSED
N/O = NORMALLY OPEN
HI-LIMIT
AUTO-RESET
SWITCH N/C
HOPPER
LID SWITCH
N/C
PRESSURE
SWITCH
N/C
HI-LIMIT
AUTO-RESET
SWITCH N/C
6-BRN
AUGER
MOTOR
DIRECTLY
ABOVE
ASHPAN
ABOVE ROOM
AIR BLOWER
LEFT HOPPER
LID HINGE
AREA
INSIDE RIGHT
ACCESS DOOR
2
4
3
6
5
2-BLK
J
POWER DISCONNECT
P
2-BLK
5-WHT
1
CONV
BLOWER
L
HOT
GND
NEUT
3-RED
1-BLU
IGNITER FUSE
3
4
2
N
3-BLK
IGNITER
1-BLU
1
LO-LIMIT AUTO-RESET SWITCH N/O
ON COMBUSTION BLOWER HOUSING
J
P
1-BLU
2-BLK
COMB
BLOWER
P/N 537039-01 Rev. A, 05/2009
4-ORG
Figure 36 - WIRING DIAGRAM 120 V AC
ꢀ8
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TROUBLESHOOTING
QUALIFIED TECHNICIANS ONLY
Unplug Appliance Before Performing Any Troubleshooting or Maintenance
PROBLEM
CAUSE(S)
SOLUTIONS
A)
A1) Lack of maintenance (clean UltraGrate™, clean-out ports,
exhaust flow passages, venting system, combustion blower
intake, etc.
1. Fireburnswithalazyorange flame. Pelletsbuild up
inthe andthereisexcessive glasssoot that isdifficult to
remove(Ashandsootarea product of combustion with
any woodproducts, sosome build-up on the glassis
normal).
• There is insufficient combustion air.
• Fuel feed rate is too high.
•
RemoveanyclinkersorashfromthebottomoftheUltraGrate
that might be obstructing the primary air holes.
Check that the heat exchange tubes are not coated with
ash.
•
•
•
Clean internal exhaust ducts.
Check gasket seal around the door. Use a thin strip of paper,
1 in. wide. Open the door and close it on the paper strip. A
slight friction should be felt when the paper strip is pulled.
Repeat this process at various locations around the door
gasket. Replace the door gasket if necessary.
Checkforblockageintheairinlettubeorexhaustpipe.Clean
as Necessary.
•
•
Inspect glass seal to ensure that it is in good condition and
is properly seated to the door.
Aꢀ) Fuel trim may need to be adjusted down for faster feeding
fuels.
A ) Change to a better grade of fuel if necessary (See Fuel
S3pecifications on Page 21). Check that the damper has been
opened enough for the amount of fuel fed.
A4) Have your Lennox Hearth Products dealer check your
combustion blower for proper operation.
A5) The venting system design is too restrictive (call your
Lennox Hearth Products Technician to evaluate how the
installation can be corrected to satisfy the exhaust flow
requirements of the appliance).
A6) Adjust the damper to increase combustion air flow.
ꢀ. Firegoesoutorstoveshutsdown automatically
A) Stove has run out of fuel.
B) Pellets are not feeding.
A) Refill hopper.
B) See (Pellets will not feed) this Page.
C) Thehighlimittemperatureswitchhas C) Allow the appliance to cool for 1 hour, then re-light. Ifthestove
tripped.
has been operating at a medium to high burn rate withtheroomair
blower adjusted to low, there may not be enough air flowtodissipate
the heat. On higher feed rates, adjust the blower speedtoahigher
setting. If this problem persists (particularly at lower burnrates)then
the high limit thermal switch may need to be replacedbyyourdealer.
D) There is too much combustion air for
the amount of fuel.
E) The proof of fire switch is opening,
disconnecting power to the auger
motor.
D) Adjust the damper to reduce combustion air flow.
E) Clean proof of fire switch (see maintenance section). Ifthisdoes
not correct problem, check switch for proper operation. Replaceif
necessary.
3. Pelletswillnotfeed.
A) The hopper is empty.
A) Refill hopper.
B) Theaugermotororcontrolboardmay B) Check to be sure that there is no blockage in the pressuretapor
bedefective. Thepressureswitchtap hose. Have your Lennox Hearth Products dealer diagnosetheprob-
or hose may be blocked.
lem and clean or replace any necessary parts.
C) Back pressure in venting tripping C) If new installation check for excessive 90˚ bends, longhorizontal
pressure switch.
runs or excessive vertical run of 3” pipe. Possibly changeto4”pipe.
If older installation check for excessive ash accumulationinpipeor
other obstructions. Clean out pipe.
D) Thermostat is in stand-by mode.
E) Thermostat wires disconnected.
D) Check to see if thermostat is set to low or if sun is shiningdirectly
on thermostat.
F) High limit thermal switch may have
been tripped.
E) Reinstall wires.
G) Self-aligningbearingsinaugermotor
may be misaligned.
F) Allow stove to cool. Increase room air blower setting.
H) Fines or wet fuel in auger.
I) Hopper lid is open.
G) Gently tap the auger motor.
H) Clean out fines or wet fuel in auger and hopper. UsePFIcertified
fuel only and store bags in a dry location.
I) Close Hopper Lid.
J) Hopper lid switch is faulty.
J) Replace hopper lid switch if determined to be faulty.
ꢀ9
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TROUBLESHOOTING
QUALIFIED TECHNICIANS ONLY
Unplug Appliance Before Performing Any Troubleshooting or Maintenance
PROBLEM
CAUSE(S)
SOLUTIONS
4. Blowerswillnotoperate when the ON/OFF start button A) There is no power to the stove.
is depressed.
A) Check that the stove is plugged in to the wall
outlet.
B) There is no power to the control board.
B1) Check if the house circuit breaker has tripped.
C) The low limit thermal switch has failed in the Bꢀ) Check the wire connections on the high limit
closed position.
thermal switch and control board.
C) Have your Lennox Hearth Products dealer
replace the low limit thermal switch.
5. Thereissootorfly-ashin the house.
A) The window is being cleaned when the stove is A) Turn down the room air blower or turnoffstovebefore
operating.
cleaning to prevent dispersion of ash and sootintothe
room.
B) There is leakage at the joints between the B) Seal up any leaks in the exhaust systemwithroom
combustion blower, connection or exhaust pipe temperature vulcanizing high temperaturesiliconesealer
connections. This will be evidenced by dust on (RTV).
the impeller of the room air blower, and in the
heat exchanger area.
C) The vacuum cleaner is leaking.
C) DO NOT use a standard household vacuumor“shop
vac” as the filters will leak the fine particlesofashinto
the home. Clean the stove with an approvedashvacuum
ONLY.
6. Stovewillnotlight.
A) The igniter element may have failed.
A) Check igniter element fuse in rear stovecompartment.
Call your Lennox Hearth Products dealer. SeeLighting
ProcedureWithoutIgniter, Page20.
B) There is not enough pellets in the UltraGrate.
B) Prime the feed system (seePre-lightingInstructions,
Page19).
7. Fault
A) The low limit thermal switch is not operating A) Have your Lennox Hearth Products dealer
replace the low limit thermal switch.
correctly (stuck in open position)
B) Refill hopper.
C) Blower intake, exhaust passages and/or venting
system needs cleaning (follow routine and annual
maintenance procedures).
B) Stove has run out of fuel.
C) A disk has tripped / pressure switch.
8. Blowers run continuously
A) Wire harness and/or control board has been dam- A) Contact your local Lennox Hearth Products
aged – unplug stove and contact dealer.
dealer.
9. Blinking red lights on control board LED’s.
A) Thermostat circuit in not closed
A1) If a wall thermostat is not installed, a jumper
is required between the ꢀ thermostat terminals
(see Figures 7 and 8 on Page 9). If the jumper is
missing contact your LHP dealer.
Aꢀ) The wall thermostat (if used) is defective or
there is a break in the connections or thermostat
wire.
30
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REPLACEMENT PARTS LIST - MONTAGE™ 3ꢀFS
Contact an Authorized Lennox Hearth Products dealer to obtain any of these parts. Never use substitute materials. Use of non-
approved parts can result in poor performance and safety hazards.
DOOR PARTS
Description
Item # Cat. No.
Description
Item # Cat. No.
ꢀ7
ꢀ9
30
31
3ꢀ
33
50
34
35
38
***
55
1ꢀ155907 Igniter Inline Holder with Fuse
16050001 Pressure Switch
1
ꢀ
3
4
5
6
7
8
H7045
H7046
H7047
H7048
H7049
H7313
Door Assembly
Face Assembly
H5898
H7066
H3079
H7067
Pressure Switch Hose
Wiring Harness
Power Cord
Door Handle Assembly
Hinge Plate Assembly
Latch Plate Assembly
Door Rope Kit, 4 ft.
Control Board
1ꢀ051409 Control Panel Knob
1ꢀ050506 Door Hinge Pin (ꢀ per pkg.)
1ꢀ055908 Fuse, Control Board and Igniter, (1ꢀ per pkg.)
H7050
Lennox Logo Pewter Badge
FIREBOX PARTS
H5886
Auger Motor
16050ꢀ05 Wall Thermostat
9
H7051
H705ꢀ
Heat Exchanger Baffle Assembly
Ash Pan Assembly
H3457
H7386
Wire, Thermostat
10
11
1ꢀ
13
49
14
AC Receptacle (for power cord)
MISC.
1ꢀ150ꢀ13 Igniter Assembly (Instr. Form # 506033-07)
1ꢀ158905 UltraGrate™
40
5ꢀ
41
4ꢀ
43
44
45
46
47
H7068
H5916
Flue Outlet Tube Assembly
Round Door Magnet
17150009 Scraper Rod
H7054
H7055
Refractory Panel
11756300 Auger Shaft Assembly
H7311 Auger End Plate
Ash Clean-out Covers (Pair)
PANELS
1ꢀ041300 Auger Collar Assembly
15
16
17
18
19
ꢀ0
ꢀ1
H7056
H7057
H7058
H7059
H7060
H7061
H706ꢀ
Left Side Door Assembly
Right Corner Panel Assembly
Left Corner Panel Assembly
Right Side Door
1ꢀ051001 Auger Motor Bumper (5 per pkg.) H7069
1ꢀ051100 Upper Shaft Bushing, Brass (1ꢀ per pkg.)H7070
H4958
1ꢀ055500 Scraper Tool
GASKETS
Hopper Lid Handle
Stove Back Cover
Side Door Hinge Bracket
Hinge, 3" (1 per pkg.)
53
54
55
56
51
61050016 Flue Outlet Gasket (5 per pkg.) H7071
61050005 Combustion Blower Gasket (5 per pkg.) H707ꢀ
61057ꢀ03 Convection Blower Gasket (5 per pkg.) H7073
ELECTRICAL
ꢀꢀ
ꢀ3
ꢀ4
36
ꢀ6
H7309
H7310
H731ꢀ
H7063
H7065
Convection Blower Assembly 1ꢀ146109
Combustion Blower Assembly 1ꢀ050011
Hopper Lid Switch Bracket (1 per pkg.)
Hopper Lid Switch (1 per pkg.)
H7074
Auger Tube End Cap Gasket (5 per pkg.)
1ꢀ050004 Cleaning Brush
High Limit Auto Reset Reverse Flow Snap
Switch Assembly, Lꢀ50-30F N/C, (1 per pkg.)
(on firebox base behind convection jacket &
above the ash pan)
ꢀ8
37
1ꢀ147705 High Limit Auto Snap Switch, Lꢀ50-30F N/C, (3
per pkg.) (on convection jacket)
H5887
Low Limit Auto Proof of Fire Snap Switch
Assembly, F140-30F N/O, (1 per pkg.) 57601
31
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REPLACEMENT PARTS - MONTAGE™ 3ꢀFS
46
13
19
47
33
34
9
20
15
16
5
18
12
14
21
50
52
11
49
4
10
17
38
7
6
Includes 20 feet of thermostat wire
1
3
51
2
8
3ꢀ
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REPLACEMENT PARTS - MONTAGE™ 3ꢀFS
36
29
30
24
25
37
28
54
23
40
53
34
27
55
45
41
32
56
28
26
42
55
22
44
35
43
31
33
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OPTIONAL ACCESSORIES - MONTAGE™ 3ꢀFS
Item #
Cat. No.
Model
Description
Optional Accessories
1
2
3
4
5
6
7
7
H6840
H6841
MONT-32FS-CONT
MONT-32FS-ART
MONT-32FS-ARCH
MONT-32FS-GOTH
DLS-PM
Contemporary Trim Accessory Kit, Brushed Nickel (775201M)
Artisan Accessory Trim Kit, Matte Black (775201M)
Arch Accessory Trim Kit, Matte Black (775201M)
Gothic Cast Iron Accessory Kit, Black Paint (775201M)
Log Set (775077M)
H6842
H6843
H0244
70K99
TSPK-B
Touch-up Paint, Black
12050093
14M81
Quick Disconnect Pipe Connector, 3” (ref. Form # 506033-02)
Quick Disconnect Pipe Connector, 4” * (ref. Form # 506033-02)
QDPC-4
* Converts from standard 3” outlet to 4”
NOTE: The form numbers referenced are the part
numbers of the instruction sheets included in kits.
1
2
3
Form # 775,201M
Form # 775,201M
Form # 775,201M
Contemporary Accessory Kit,
M32FS, Brushed Nickel
Artisan Accessory Kit, M32FS,
Matte Black
Arch Accessory Kit, M32FS,
Matte Black
4
7
5
6
Form # 775,077M
I
Form # 775,201M
Gothic Accessory Kit, M32FS,
Black Paint
34
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SAFETY / LISTING LABEL
ꢀ009
ꢀ010 ꢀ011
Note that your stove’s serial number is printed on the safety label, which is located near the inside of the hopper. Your stove’s serial
number is preceded by a “WH-”(Example WH-0000000).
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE
35
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Normally, all parts should be ordered through your Lennox Hearth
Products distributor or dealer. Parts will be shipped at prevailing prices
at time of order.
WARRANTY
Your pellet stove is covered by a limited warranty (provided with appli-
ance). Please read the warranty to be familiar with its coverage.
When ordering repair parts, always give the following information:
Retain this manual. File it with your other documents for future refer-
ence.
1. The model number of the appliance.
ꢀ. The serial number of the appliance.
3. The part number.
4. The description of the part.
5. The quantity required.
PRODUCT REFERENCE INFORMATION
We recommend that you record the following important information
about your fireplace. Please contact your Lennox Hearth Products dealer
for any questions or concerns. For the number of your nearest Lennox
Hearth Products dealer, please call 1-800-9-LENNOX.
6. The installation date of the appliance.
If you encounter any problems or have any questions concerning the
installation or application of this system, please contact your dealer.
REPLACEMENT PARTS
LENNOX HEARTH PRODUCTS
1110 West Taft Avenue
Orange, CA 9ꢀ865
See Page 31 through 31 for a complete replacement parts list. Use only
parts supplied from the manufacturer.
Your Stove’s Model Number __________________________________________
Your Stove’s Serial Number ___________________________________________
The Date On Which Your Stove Was Installed _____________________________
Your Dealer's Name _________________________________________________
Your Dealer's Phone Number__________________________________________
Lennox Hearth Products reserves the right to make changes at any time, without notice, in
design, materials, specifications, prices and also to discontinue colors, styles and products.
Consult your local distributor for fireplace code information.
Printed in U.S.A. © ꢀ008 Lennox Hearth Products
P/N 775,196M REV. B 05/ꢀ009
1110 West Taft Avenue • Orange, CA 9ꢀ865
36
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