INSTALLATION AND
OPERATION INSTRUCTIONS
MONTECITO ESTATE™
TM
EPA Wood-Burning Fireplace
P/N 850,038M REV. E 01/2008
MODEL
MONTEST
This installation manual will enable you to obtain a safe, efficient and
dependable installation of your fireplace system. Please read and
understand these instructions before beginning your installation.
Donotalterormodifythefireplaceoritscomponentsunderanycircum-
stances. Anymodificationoralterationofthefireplacesystem,including
but not limited to the fireplace, chimney components and accessories,
may void the warranty, listings and approvals of this system and could
result in an unsafe and potentially dangerous installation.
Lennox™ wood-burning fireplaces are designed for use as a supple-
mental heater. They are not intended for continuous use as a primary
heat source.
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
WARNINGS
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 appli-
ance. Severe burns may result.
• Carefully supervise children in the
same room as appliance.
• The fireplace cannot be operated without a door.
Consult your dealer to select the correct door
model.
• Important! To assure proper alignment of glass
doors: Install this fireplace in a square and
plumb condition, using shims as necessary at
sides and/or bottom.
• If small children are present in the home, it
is recommended that this appliance be fitted
with a Firescreen kit. See Page 20 for ordering
information.
• Install the fireplace only as described in these
instructions.
Listed to standards:
ULC-S610 & UL-127
Report No. 304-7213
EPA Cert. No. 609
PIMONTEST REV. 3
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OPTIONAL EqUIPMENT
CONGRATULATIONS!
Additional Equipment (optional)
- Gravity Venting System
In selecting this LENNOX wood-burning appliance you have chosen one of the finest
fireplaces available. The Montecito Estate™ is a clean burning EPA certified fireplace
that is designed to provide you dependable service as well as warmth and enjoyment
for many years to come.
- TUBINOX chimney (or PROJET SS), 7”
diameter with adaptor for installation in a
masonry chimney.
Please carefully read and follow all of the instructions found in this manual. Please pay
special attention to the safety instructions provided in this manual. This information
will be useful to you now and in years to come, so keep the manual handy and refer to
it as needed.
OPERATING THE MONTECITO ESTATE
Fuel - USE SOLID NATURAL WOOD FUEL
ONLY. The Montecito Estate is designed to
work best when fueled with dry seasoned
natural wood only. Hardwoods are preferred
to softwoods since the energy content of
wood is relative to its density. Hardwoods will
result in a longer burning fire and less frequent
refueling. A moisture content of 15% to 20%
(seasoned) is recommended. Wood that has
been cut and split and let to dry under a cover
for a period of one year will usually meet that
criteria. Excessively wet wood will be difficult
to burn and will result in lower efficiency, in-
creased creosoting and deposits on the glass
and in the chimney. Excessively dry wood will
burn well but will also have higher emissions
and shorter burning time.
TABLE OF CONTENTS
THE FIREPLACE
INTRODUCTION
Safety Rules......................................Page
Introduction ......................................Page
Parts Required .................................Page
Optional Equipment...........................Page
Operating The Montecito Estate .........Page
Fuel...................................................Page
Combustion Control .........................Page
Refueling For Best Performance .......Page
Smoking – Causes And
2
3
3
3
3
3
4
5
The Montecito Estate wood-burning fireplace
is an energy efficient, heat circulating, closed
combustionfireplace. Youwillreceivealifetime
of comfort and enjoyment from your fireplace
provided it is installed, maintained and oper-
ated properly.
• Please read these instructions and retain
this manual for future reference.
• Before beginning the fireplace installation,
consult the local authorities to obtain your
buildingpermitandcheckyourlocalbuilding
codes. Installthefireplaceonlyasdescribed
in these instructions and using only Lennox
Hearth Products components.
Troubleshooting..............................Page
Important Cautions ...........................Page
Maintaining Your
5
6
Do not burn scrap or garbage, treated wood or
wood such as driftwood from the ocean which
has been exposed to salt or other chemicals.
Salt or chemicals can corrode the firebox and
chimney. Do not burn large amounts of paper,
cardboard, Christmas tree branches or build-
ing construction materials. Intense firing with
these materials may overheat the fireplace,
causing damage to the unit, a fire or even
possibly igniting a chimney fire if the chimney
is creosoted.
Montecito Estate ............................Page
Creosote............................................Page
Chimney Maintenance.......................Page
Dealing With A Chimney Fire.............Page
Finish Door Casing Care....................Page
Refractory Replacement....................Page
Door Installation ...............................Page
Door Adjustment...............................Page
Glass Care - Replacement.................Page
Glass Care - Cleaning........................Page
Gasket Replacement ........................Page
Fireplace Installation ........................Page
Locating The Montecito Estate ...........Page
Hearth Extension Requirements .......Page
Framing, Facing And Mantel..............Page
6
6
6
6
6
6
7
7
7
7
7
8
8
8
8
• The Montecito Estateis not intended for use
with a gas log set. Do not use a fireplace
insertoranyotherproductwiththisfireplace
unless it is specified by Lennox for use
with this appliance. Failure to follow these
instructionswillvoidthecertificationandthe
warranty of the fireplace and may result in
an unsafe installation.
• These appliances are designed to provide
supplementalheattotheimmediateareaonly.
Therefore, it is advisable to have an alternate
heat source when installed in a dwelling.
• These appliances are not approved for
Manufactured Home installations.
First Fires
Before using the fireplace make sure to re-
move the plastic wrapping and EPA label on
the door. Remove any glue residue left by the
label using mild soap.
PARTS REqUIRED
Make sure the doors are properly adjusted,
thus avoiding color change to finish due to
overheating.
Fireplace model: MONTEST
Hot Air Ducting Installation ..............Page 10
Gravity Kit .........................................Page 10
Outside Air Kit ..................................Page 12
Chimney System...............................Page 13
Chimney Installation Notes ...............Page 13
Chimney Installation Instructions......Page 14
Offset Chimney Installation...............Page 15
Angled Wall Radiation Shield ............Page 18
Chimney Support Installation............Page 18
Chimney Chase And
Multiple Terminations......................Page 18
Masonry Application Instructions .....Page 19
Installation Accessories ....................Page 20
Chimney Components Lists ..............Page 20
Replacement Parts............................Page 23
Specifications....................................Page 23
Clearances ........................................Page 23
Product Reference Information.........Page 24
• 7”diameterchimney-Model SecureTemp
S-2100+, Nova Temp HT6000+, Secure
TempGX (U.S. only) or ACBI manufactured
by Security Chimneys International only,
including:
The first five or six fires should be small fires
of short duration (about 30 to 60 minutes).
This will help cure the refractory bricks. The
first fires may produce slight smoking and
some odor due to curing of the paint and steel
and the burning of any dust accumulated on
the fireplace which will burn off at this time. It
may set off a smoke alarm located in the same
room. For this reason the room should be well
ventilated for the first few fires.
- Chimney lengths
- Elbows (where necessary)
- Associated components as per these
installation instructions
•..Decorative Doors - Required
....(Order Separately - See Page 20)
• Front Facade kit - Required
HEAT OUTPUT
...(Order Separately - See Page 20)
• UZY5 Blower (included in the fireplace).
• VRUW Blower Speed Control (included)
• Outside air kit (Included w/Fireplace)
The Montecito Estate is the largest member of
the “Dave Lennox Signature Collection” of high
efficiencyfireplaces.Theheatgeneratedfromits
fire is more efficiently captured and distributed.
In spite of the large amount of heat that the
OPTIONAL EqUIPMENT
- AC Chimney Adaptor
MontecitoEstatecandeliver,itshouldnotreplace
the main source of heat in your home. This
fireplace will bring extra warmth and ambiance
to your home by distributing its heat as describe
further in the manual.
(required if using AC Chimney)
- AC Chimney Outside Air Kit
- Gravity Venting System
- Rigid Firescreen
3
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The combustion air control should be opened
beforeopeningthedoorstominimizethepossi-
bilityofbackdraftcomingintotheroom(Figure
1-A) More details are available in Refueling For
Best Performance on Page 5.
Accelerated Combustion
COMBUSTION CONTROLS
The maximum heat output for the Montecito
Estate is achieved by burning with the door
closed and the combustion air opened and
pulledout. Throughthismethod,theMontecito
Estate can produce up to 80,000 BTU of heat
per hour.
Primary Air & Air Boost Controls
There is no flue damper in the Montecito Es-
tate™. As is common with air tight appliance,
the combustion air control sets the flow of air
entering the firebox. This allows for a more
precise control of the fire. The combustion air
controlislocatedbelowthedoorontheleftside.
The main source of air (primary air) entering
the firebox can be diminished by moving the
air combustion control from left to right. The
primary air is fully opened when the air control
is completely moved to the left. This air com-
bustioncontrolshouldbeintheclosedposition
when the fireplace is not in operation. This will
minimize air leakage up the chimney.
Time Delayed Air Boost System
The time delayed air-boost system register is
located underneath the door handles. Placed
in the fully opened position, a timer with a
maximum duration of 2 hours is engaged. The
register gradually reduces the amount of air
injected, allowing for a better start of the fire,
whatever the conditions (See sections Building
a Fire and Refueling For Best Performance for
proper sequence of operation). This allows
you to start the fire, set the primary air control
to the desired burn level and the fireplace will
automatically adjust itself to that level once the
fire is fully established (Figure 1-B).
However,itwillbenecessarytoreloadwithwood
everyoneortwohours. Thisistheleastefficient
method of burning the Montecito Estate .
Use caution when firing with the combustion
air control wide open. Only burn cord wood in
this manner. Small dry pieces of softwood and
constructionscrapswillburnveryintenselyus-
ing this method and may damage the firebox.
Time Delay
Air-Boost Control
(T.D.A.B.)
Figure 2 - Accelerated Combustion
Medium Combustion
This is the recommended mode of operating
the Montecito Estate and should be the one
normally used since it will deposit the least
amount of creosote on the glass and in the
chimney. The combustion air control must be
3/4 closed. The precise setting will depend on
manyfactors,includingchimneylengthandthe
moisture content of the wood.
(B)
For instance, a long chimney will necessitate
closing the damper more. To obtain the proper
combustion,closethedampercompletely,then
open it about 1/4” to 1/2”. Three medium size
pieces of cord wood-burning on a bed of hot
coals will generate an approximate heat output
willof35,000BTUperhourandtheloadingtime
will be about every 3-4 hours. Softwoods may
beburnedusingthismethodbutthecombustion
time will be substantially reduced.
Combustion Air
Register
(A)
Figure 1
Figure 3 - Medium Combustion
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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Slow Combustion
The unit will burn best with 2-3 pieces of cord
wood spaced 1 to 2 inches apart and allowing
air to get under the fuel. Criss-crossing or ar-
ranging the fuel so that air can get underneath
will help the fire to get started easily. The unit
should be operated with the air control fully
open long enough to get the cord wood well
ignited.
As the fire burns, air goes up the chimney. This
airmustbereplacedthroughtheoutsideairduct.
When the air combustion control is completely
closed, the fireplace is in a slow combustion
phase. If the hearth is hot enough, slow com-
bustion will not extinguish the fire, but there
will be a noticeable change in the flame pattern.
The flames will be slow and may appear dirty
if the wood is too wet (moisture content of
20% and more).
When operating the Montecito Estate, open a
nearby window temporarily to check if there is
adequatereplacementairsupply. Occasionally,
there may be a small amount of smoking upon
lighting the fire, until the chimney heats up but
this should not last. If the fireplace continues
to smoke it is probably for one of the follow-
ing reasons:
REFUELING FOR BEST PERFORMANCE
Do not allow the wood to burn without flame,
since this will produce excessive creosote in
the unit. Creosote may accumulate on the glass
door. This method of burning should be used
onlyafteroperatingtheMontecitoEstate™with
the air control opened to produce a hot fire for
about an hour or at medium pace for at least
three (3) hours. Slow combustion can be used
at night in order to reduce the heat output and
to prolong the burn. The loading time will be
between 6-8 hours and at this combustion rate,
the level of BTU’s is at its lowest.
A. The doors are partially opened
When you open the doors, open them com-
pletely.
To reload the Montecito Estate at the end of a
combustion cycle, when no flame is visible and
there are only ashes left:
B. Negative pressure in the house
C. Fans operating (e.g.: range hood)
These fans draw air out of the house and
mayactuallycauseanegativepressureinthe
house. Turn off all fans and open a nearby
window to determine if this is the cause of
the problem.
A) Completely open the air control level and
the T.D.A.B. (Time Delay Air Boost) level.
See Figure 1.
B) Openthedoorsabout1”andwait5seconds
until the air flow has stabilized. Then open
the doors completely, put the logs in and
close the doors.
C) Set the air control to the desired burn level.
The T.D.A.B will close by itself progres-
sively.
D. Wet wood
Wetortarredwoodwillsmoulderandsmoke
instead of burn properly.
E. Dirty or blocked chimney
Check tomake surethechimney is clearand
clean.
ToreloadtheMontecitoEstatewhenthefireplace
is still hot with a few visible flames:
F. Chimney not long enough
The minimum chimney height is 12 feet not
including the fireplace height. The chimney
must extend at least three (3) feet (915 mm)
above its point of contact with the roof and
at least two (2) feet (610 mm) higher than
any roof or wall within ten (10) feet (3 m)
of it. When installed with offsets, the mini-
mum chimney height is 15 feet. Additional
height will increase draft and will decrease
the tendency to smoke.
A) Opentheaircontrolcompletely.TheT.D.A.B
can be set to a lower setting in order to
facilitate lighting.
B) Openthedoorsabout1”andwait5seconds
until the air flow has stabilized. Then open
the doors completely, put the logs in and
close the doors.
C) Set the air control to the desired burn
level.
Figure 4 - Slow Combustion
Building a Fire
G. Poor chimney draft
A) To start a fire, place several crumpled up
ballsofnewspaperinthefirebox. Placesmall
dry pieces of kindling on top of the paper,
criss-crossing the kindling so that there are
air spaces in between. The kindling should
be placed at the center of the firebox so as
to allow for sufficient air circulation.
B) Adjust the primary air control and start the
time delayed air-boost system by pushing
the register towards the right. Light the
newspaper.Leavethedoorspartiallyopened
to facilitate the start-up.
C) Once kindling fire is well established, cord
woodcanbeadded.Youmaysettheprimary
air control to the desire level (see Primary
Air Combustion Control and Air Boost Con-
trols section for proper operation of the air
controls).
D) Set the primary control to the desired burn
level. The fireplace will automatically go to
that level after the fire is fully established
and the air boost is closed.
Notes:
With no fire, there should be sufficient draft
toexhaustcigarettesmokeintroducedunder
the baffle. Chimneys installed against an
outside wall without protection may gener-
ate back draft problems which will cause
start-up problems. To prevent this, open
a nearby window; roll up a piece of paper,
light it and hold it in the upper part of the
firebox to warm up the chimney. Wait until
the draft is sufficient, then start the fire.
• For spectacular fire and optimization of the
fireplace efficiency, we recommend that the
wood load be placed as far back as pos-
sible.
• Itmaybenecessarytoturnoffanyblower(s)
in operation during the refueling process in
order to minimise smoking in the room. It
is recommended to wait 15 to 30 minutes
before turning the blower(s) back on to
ensure successful rekindling.
SMOKING –
CAUSES AND TROUBLESHOOTING
To reduce the likelihood of smoke coming
into the room when opening the door, set the
combustion air controls to the left (“Acceler-
ated Combustion”) before opening the door.
Your fireplace has been designed and tested
to provide smoke free operation.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
5
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C. Do not expect chemical cleaners to keep
your chimney clean. The rain cap can be
removed for inspection and/or cleaning of
the chimney.
IMPORTANT CAUTIONS
DOOR FRAME FINISH CARE
Use a glass cleaner and a soft cloth to polish
the casing. Do not use abrasives such as steel
wool, steel pads or an abrasive polish for they
may scratch the frame’s finish.
A. Do not block the hot air vents to the fire-
place as this will cause the fireplace to
overheat.
B. Never use gasoline, kerosene, charcoal
lighter fluid or similar liquids to start or
rekindle a fire in this fireplace. Keep all
such liquids well away from the fireplace
at all times.
C. Do not burn coal. The sulphur in coal will
corrode the firebox.
Dealing With a Chimney Fire
DISPOSING OF ASHES
Remove ashes only when the fire is out and
the ashes are cold (24 to 48 hours after the
fire is out).
Regular chimney maintenance and inspection
canpreventchimneyfires. Ifyouhaveachimney
fire, follow these steps:
D. Donotburndriftwoodwhichhasbeeninthe
ocean or salt water. The salt will corrode
the firebox and chimney.
1. IMPORTANT: Close the fireplace door and
the combustion air controls; this will stifle
the fire.
2. Alert your family of the possible danger.
3. If you require assistance, alert your fire
department.
4. If possible, use a dry chemical fire extin-
guisher, baking soda or sand to control the
fire. Do not use water as it may cause a
dangerous steam explosion.
5. Ensure that sparks and hot embers com-
ing out of the chimney are not igniting the
roof.
WARNING
When cleaning the fireplace,
the ashes should be placed in
a metal container with a tight
fitting lid. The closed container
of ashes should be placed on a
non-combustible floor or on the
groundoutsidethehouse,pend-
ing final disposal. If the ashes
are disposed of by burial in soil
or otherwise locally dispersed,
they should be retained in the
closedcontaineruntilallcinders
have thoroughly cooled.
E. Do not burn wood in the area in front of the
grate.
F. Do not abuse the unit by burning paper, or
cardboardorconstructionmaterialsuchas
pressed wood, plywood or lumber. Wood
protectors, metallic paper, coal, plastic,
waste, sulphur and/or oil will damage the
fireplace.
G. Do not allow the wood to smoulder or burn
without flame, since this will produce
excessive creosote in the unit.
6. Do not use the fireplace again until your
chimney and fireplace have been inspected
byaqualifiedchimneysweeporafiredepart-
ment inspector.
MAINTAINING YOUR MONTECITO
ESTATE
Creosote
When wood is burned slowly without a flame,
it produces tar and other organic vapors which
combinewithexpelledmoisturetoformablack
deposit called creosote which accumulates on
the flue lining. When ignited, this creosote
makes an extremely hot fire. If the creosote
accumulation is large, a creosote fire in the
chimney can damage the chimney and over-
heat the surrounding wood framing. Creosote
formation in a chimney can be minimized
by making sure there is always visible flame
burning, avoid smoldering fires and by proper
refueling techniques.
REFRACTORY REPLACEMENT
1. Remove the side refractory brackets (6)
2. Remove the front refractory bricks (3)
3. Remove the bottom refractory brick (4)
4. Remove the left side refractory bricks (5)
5. Remove the right side refractory bricks (2)
6. Remove the back refractory brick (1)
7. Remove the deflectors (7) above the tubes
(Canberemovedwithoutremovingotherbricks
for chimney cleaning)
The intense heat of the fire will normally cause
hairline cracks in the refractory brick. These
cracks can be minimized by proper curing as
described in section First Fires. They will not
normally diminish the effectiveness of the
refractory brick. If large cracks develop, then
the refractory should be replaced. To replace
the refractory bricks, follow these steps:
To install the new refractory bricks, follow the
above steps in reverse.
Chimney Maintenance
Regular chimney inspection and maintenance
combined with proper operation will prevent
chimneyfires.Keepyourchimneyclean. Donot
allow more than 1/16” (1.6 mm) creosote build
upinyourchimney. Theamountofcreosotewill
depend on variables such as frequency of use
and type of fire. We recommend that you:
7
1
2
6
A. Initially inspect the chimney system weekly.
From this, you will learn how often it will be
necessary to clean your chimney.
B. Have your chimney cleaned by a qualified
chimney sweep. If you wish to clean it
yourself, werecommendusingastiffplastic
or non-metallic brush. If a metal brush is
used, its size should be slightly smaller than
the flue to avoid damaging the chimney. Do
notuseabrushthatwillscratchthestainless
steel interior of the chimney.
6
5
4
3
Figure 5
6
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DOOR INSTALLATION
1
The doors must be put in place only when the installation of the Montecito
Estate™ is completed. All you have to do is fit the male part of the hinge,
alreadyonthedoor,tothefemalepart,whichisonthefireplace.Toremove
the doors, simply pull them up from the hinges. The door adjustment
has been set at the factory. If the fit is still not perfect, you can adjust
the door using the hinge screws (See Figure 7-1)
2
Figure 7
GLASS CARE
Glass Replacement
The glass used for the Montecito Estate is a high temperature ceramic
glass (1,400° F). If the glass breaks or cracks, it must be replaced with
an identical ceramic glass. Tempered glass or ordinary glass will not
withstand the high temperatures of the Montecito Estate . Replacement
glass should be purchased from a Lennox Hearth Products dealer (see
“Replacement Parts” on Page 22).
Figure 6 - Door Installation
DOOR ADJUSTMENT
Do not operate the unit with cracked or broken glass.
The doors may need to be adjusted to be completely airtight. The gaskets’
air-tightness can be adjusted using the adjustment screw located on the
right side of the fireplace facade (An Allen key #1/8 – not supplied - will
be necessary for this adjustment) (see Figure 7-2).
Glass Cleaning
The Montecito Estate is designed to keep the glass clean under normal
operating conditions. If the Montecito Estate is operated continuously
with the combustion air controls closed, the glass will tend to get dirty
unless the fuel, firebox and glass are maintained at hot temperatures (see
section Refueling For Best Performance). To clean the glass, there are a
numberofspeciallydesignedcleanerstoremovecreosote. Yourauthorized
Lennox Dealer can recommend a suitable cleaner. Regular household
glass cleaners will not clean creosote. Do not use abrasives such as steel
pads, steel wool or oven cleaner as they will scratch the glass.
Checking Door Seal
A one-inch strip of paper may be used to perform a test of the integrity
of the door seal. Close the door on the paper in at least eight points. It
is normal to feel only a slight amount of friction. 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 fireplace.
Gasket Replacement
Remove the doors from the unit (see section Door Installation) and lay
them on a clean nonabrasive surface. To replace the gasket, first remove
all of the old gasket and gasket cement. Make sure that the surface is
totally clean before applying new cement (a high temperature silicone
caulking rated at 500° F (260° C), is suitable) or adhesion problems may
result. Apply gasket cement to the gasket channel and install the new
gasket. This replacement part is available from your Lennox Dealer in
the following dimensions:
WARNINGS
• Use only a Lennox Hearth Products glass doors,
specifically designed for the Montecito Estate
fireplace.
• The fireplace cannot be operated without a door.
Consult your dealer to select the correct door
model.
• Important! To assure proper alignment of glass
doors: Install this fireplace in a square and
plumb condition, using shims as necessary at
sides and/or bottom.
Gasket
Part #
Length
qty
Dimensions
Around the glass
PR-SR-1685C
61-3/4”
2
1” width
x 3/16” thick
On the door frame PR-SR-1825I
48-3/8”
17-5/8”
2
2
3/4” diameter
5/8” diameter
Between the
doors
PR-SR-1823J
Table 1
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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FIREPLACE INSTALLATION
Locating The Montecito Estate™
The best location to install your fireplace is determined by considering
the location of windows, doors, and the traffic flow in the room where
the fireplace is located, allowing space in front of the unit for the hearth
extension and the mantel, and taking into consideration the location of
the hot air ducts (optional), outside air kit and chimney. If possible,
you should choose a location where the chimney will pass through the
house without cutting floor or roof joists (see fireplace dimensions on
Pages 8 & 9).
Tile or Marble
Fireplace
Minimum 1”
Cement Board
2” x 4” Framing
Usually, no additional floor support is needed for the fireplace. The ad-
equacy of the floor can be checked by first estimating the weight of the
fireplace system. Weights are given in the appendix. Next, measure the
area occupied by the fireplace. Note the floor construction and consult
your local building code to determine if additional support is needed.
Figure 9
The Montecito Estate may be installed directly on the floor or on a raised
base and a minimum of 80” measured from the base of the appliance to
the ceiling is required.
Framing, Facing And Mantel
Theconstructionoftheframing,facing,andmantelmustbeinaccordance
with the standards and the following illustrations (Figures 10 & 11):
Facade Installation
Install the Facade per instructions provided in Facade Kit (ordered sepa-
rately - see Page 20).
A. Frame the fireplace using 2” x 3” or heavier lumber.
B. WARNING: Combustible materials cannot be used in the space
directly above the fireplace, except for the studs above the fa-
cade that support the facing and mantel. This area must remain
empty for a height of 80” (2,032 mm) measured from the base
of the appliance.
C. Frame the fireplace with vertical studs at the sides of the fireplace run-
ning from floor to ceiling (see Figure 10). If combustible facing is to
be used, position the studs back, from the front edge of the fireplace
(a space that is the thickness of the facing material, so that the fac-
ing can be installed flush with the fireplace facing). Frame headers
between the vertical studs only as follows:
Hearth Extension Requirements
The Montecito Estate may be installed directly on a combustible floor;
however, the combustible floor in front of the fireplace must be covered
with one inch (1 in) of non-combustible support material (cement board,
cement block or other) before applying the finish material (tile, marble,
stone, etc). See Figure 8.
Hearth Extension Requirements
- Place 2” x 3” or 2” x 4” headers, only along the upper part of the
front, side and back faces (some codes may require a 2” x 6” on
an outside bearing wall). Do not put wood or any combustible
material within the area above the fireplace except on the front
facing.
- Place headers only as required to support the facing and man-
tel.
Area where
wood Mantel
can be
installed
D. WARNING: The fireplace must not be in contact with any insula-
tion or loose filling material. Cover the insulation with Drywall
panels around the fireplace.
24”
56” Min.
COLD CLIMATE INSTALLATIONS
Climates where temperatures will fall below 32° F (0° C).
45 Deg.
4”
The heating performance of the appliance will vary depending upon the
level of insulation, house design, how the appliance is operated, etc.
Hearth
16”
Ifthisfireplaceisbeinginstalledinacoldclimate,itisespeciallyimportant
to seal all cracks around the fireplace and wherever cold air could enter
the room with noncombustible material. Also, the outside air inlet duct
should be wrapped with noncombustible insulation to minimize the
formation of condensation. Do not place insulation materials directly
against the chimney sections. We recommend that you use the insulated
wall radiation shield since it will maintain the home’s thermal barrier. AC
chimney is NOT recommended in cold climates.
24”
46-5/16”
Non-Combustible Material
Figure 8
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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Insulated Chase Construction
CORNER
INSTALLATION
Storm
Roof Support
Collar
29-1/2”
D
E
Flashing
J
Attic
Radiation
F
* Floor
Ceiling
Wall
Shield
Header
23-3/4”
B
A
Back Wall of Chase/Enclosure
OUTSIDE CHASE
Including Finising Materials if any
*
Total depth
is 25 inches in-
cluding the back
spacerminus1/2
inch for drywall
to be flush with
the facing.
C
L*
Firestop
7 Ft.
Min.
Note: Floor
andwall
H
G
2” x 3”
Min.
6’ 8”
Min.
belowthe
atticmust
beinsulated
usingthe
same
Rough Framing Face (Unfinished Shown)
* Zero Clearance From Back Spacer to Wall
insulation.
G
7’
Min.
Combustion Air Kit
Drywall or
Any Rigid
Material
B
A
Rough Framing Face
(unfinished shown)
2” x 4”
1/2” Plywood
FRAMING DIMENSIONS
Fireplace Opening Width
* Floor
Ceiling
Wall
K
Notes
Due to Lennox' ongoing
commitment to quality, all
specifications, ratings and
dimensions are subject to
change without notice.
A
B
C
D
E
F
G
H
J
46-3/8”
49-1/2”
42-3/4”
20-7/8”
93-7/8”
47”
1178 mm
1257 mm
1086 mm
530 mm
2384 mm
1194 mm
705 mm
680 mm
1686 mm
203 mm
25 mm
All framing dimensions cal-
culatedfor1/2"drywallatthe
fireplace face. If sheathing
the chase or finishing with
other thickness materials,
calculations will need to
be made.
•
•
•
Must have the same firestopping
resistance as adjacent wall.
Musthavethesameinsulationas
adjacent ceiling.
Followlocalrulesregardingfram-
ing construction.
41-3/4”
10-1/4”
7/8”
27-3/4”
26-3/4”
66-3/8”
8”
11-1/8”
16-1/4”
26-1/4”
* The fireplace must not be
incontactwithanyinsulation
or loose filling material.
Cover the insulation with
Drywall panels around the
fireplace.
26-1/8”
K
L
Optional
Insulation
In Outside
Walls Of
Chase
1”
1-5/32”
1”
8'
Level
49-3/8”
15”
Solid
Continuous
Surface
43-1/4”
37”
28-1/2”
3”
Outside
Base
28-1/2”
Insulation
7”
31”
4-1/4”
(Thermal Barrier)
5-5/8”
5-5/8”
20-1/8”
46-1/4”
10-3/8”
Figure 11
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Figure 10
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FACING
Fireplace Blower
Mantel & Facing
(Side View)
The fireplace comes equipped with a heat acti-
vated blower. It is located in the bottom of the
fireplace, towards the back. It uses 120 V and
must be connected to the main electrical circuit
byaqualifiedelectrician.Forconnection,usethe
electrical box supplied with the unit located on
the bottom right corner of the fireplace.
IMPORTANT
Drywall
The facade must be removable
once installed. The facade is
designed to overlap any facing
material installed on the front of
the fireplace. If thicker material
is installed, use the facade as a
templateandmakesureitcanbe
easily removed for servicing.
Mantel
56”
2” X 3” Min.
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If you wish to adjust the blower speed, the
variable speed control (VRUW) provided must
be installed in line with the wiring. Again, use
a qualified electrician for installation.
Rock Board
or Other
Noncombustible
Facing
1. Combustiblematerialmustbeinstalledflush
with the fireplace. It may not project in front
of and on the fireplace (i.e. the steel facade
of the fireplace) (Figure 14).
If the blower requires servicing,
Drywall
1- Remove the doors and decorative facade.
2- Remove the screw located below the blower
motor that holds it to the back of fireplace.
3- Pull the blower out of the unit through the
square hole located in the front bottom right
corner.
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2. Non-combustible materials such as brick,
stone or ceramic tile may project in front of
and onto the fireplace facing (Figure 13).
Rock Board
or Other
MANTEL & FACING
HOT AIR DUCTING INSTALLATION
Noncombustible
Facing
The mantel must be installed at least 56”
(1143 mm) above the base of the fireplace
(Figure 13).
The Montecito Estate™is approved for use with
a Gravity Kit:
Gravity Kit
Figure 13
The gravity kit is designed for double hot air
outlets and includes:
Fireplace Frame Section
(Top View)
(See Figure 16)
Only non-combustible material
should be superposed or project-
ing over the front of the fireplace.
- 2 telescopic lengths 8” I.D.
- 2 90º elbows 8” I.D.
- 2 hot air outlet kits (grill and frames)
- 2 adaptors
3
5
1
See Gravity Kit Accessories on Page 20.
4
2
Only the blower available with the fireplace can
be used with the gravity kit.
6
50”
Min.
For safe installation, the gravity kit must meet
the following requirements:
3
1
4
Minimum height* 68” (1,727 mm)
Maximum length See Figure 17
7
2
* The height of the louver must be measured
from the base of the Montecito Estate to the
middle point of the louver.
1. Fireplace
Figure 14
2. Front of fireplace
3. Wood frame (2” x 3” min)
4. Drywall
5. Tiles
6. Rock board or other
7. Brick
Figure 12
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Rain Cap
Frame
Flashing
Collar
Grill
Flashing
Roof Support
Attic
Radiation
Shield
Firestop
6-1/2” Min.
(to ceiling)
68” Min.
56” Min.
Non-Combustible
Flameproof
Facing
Figure 16
When installing the double outlet system, the hot air outlets can be
installed in the same room as the fireplace, or one or both of the outlets
can be installed in adjacent or upper rooms. Installing the ducts at dif-
ferent elevations will tend to exhaust more heat out of the higher outlet
(Figure 17).
Figure 18
The duct system must be installed respecting the following:
1. Remove the plates closing up the 8” diameter holes on top of the
fireplace. Then, cut the insulation in order to obtain two 8” dia. open-
ings. Fix the adaptors on the fireplace openings by turning clockwise
(Figure 16).
2. Maintain at least a 2” (50 mm) clearance between the ducts and any
combustible material; the required hole size is 13” x 13” (330 mm x
330 mm).
Exception #1: For the grills, the framing can be 10-3/4” x 10-
3/4” (275 mm x 275 mm) to provide the clearance as required
by the integral spacers on the double outlet duct system.
3. The maximum number of elbows in a run of duct is two.
4. Maintain at least 6-1/2” (160 mm) clearance from the outlet grill
framing to a combustible ceiling, side wall or mantel.
WARNING: The outlet
grills should not be
installed facing up-
Outlet Grill
ward through a floor.
Danger of burns can
result if grills in floor
are stepped on.
10’ Max.
5. Whentraversingacombustiblewallorfloor,afirestopmustbeinstalled
at the wall or floor penetration. The hole size must be 13” x 13” (330
mm x 330 mm)
Outlet Grill
13” x 13”
6. Do not connect the hot air ducts to a central heating system. Malfunc-
tionoftheheatingsystem’sblowerwillcausethefireplacetooverheat.
A furnace duct is only single wall and not double wall as is required
10’ Max.
for the Montecito Estate™ hot air exhaust.
7. Use only Lennox Hearth Products grills and components as described
in this manual. Other grills or registers may be too restrictive and may
overheat the fireplace or ceiling.
8. Do not use insulated flexible ducts as they will overheat.
9. Do not use tees or any other components than the ones specifically
listed here.
10.Never allow the ducting to pitch down as hot air will be trapped creat-
ing a fire hazard. Never route the ducting downwards.
11.The hot air outlet grills must be installed with the louvers pointing
downwards in order to prevent overheating adjacent ceilings.
Maintain at least 6-1/2”
(160mm)clearancefrom
the outlet grill framing to
a combustible ceiling,
side wall or mantel.
Figure 17
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OUTSIDE AIR KIT
OUTSIDE CONNECTION
It is mandatory to install an outside air connection to the Montecito
Estate™. The following components are required and are included with
the fireplace:
Outside
Intake
Aluminum Tape
- Outside air kit (includes 40 inch flex that goes up to ten (10) feet
Plastic
Cover
long)
- 4” Adaptor for fireplace connection
Screw
Outside Air Installation
The outside air assembly may be installed according to the following
requirements:
Insulation
Opening
Facing
Down
Flexible Pipe
A) Duct length should be kept to a minimum. The maximum length of a
4”interiordiameter(100mm)insulatedflexibleductis20feet(6.1m).
The duct can be extended to a maximum of 40 feet (12 m) using a 6”
interior diameter (150 mm) insulated flexible duct (See note below).
B) The air intake register must not be installed more than ten (10) feet
(3050 mm) above the base of the fireplace.
Aluminum Tape
Wall
Figure 19
C) The fresh air must come from outside the house. The air intake must
not draw air from the attic, basement or garage.
OUTSIDE AIR CONNECTION TO THE FIREPLACE
D) The air intake should be installed where it is not likely to be blocked by
snow or exposed to extreme wind and away from automobile exhaust
fumes, gas meters and other vents.
Fireplace
Connection
E) The duct and register may be installed above or below floor level.
Aluminum Tape
Fireplace
Makea4-1/4”(110mm)holeintheoutsidewallofthehouseatthechosen
location. From outside, place the outside air register in the hole (open
side down) and fasten the register to the wall with screws as shown (see
Figure 19). Slip the pipe into the insulated sleeve. Place the insulated
pipe over the register tube and over the fireplace’s outside air connector
(see Figure 20). At each end, carefully pull back the insulation and plastic
cover exposing the flexible pipe. Using the aluminium tape provided,
wrap the tape around the joint between the flexible pipe and the air inlets.
Carefully push the insulation and plastic cover back over the pipe. Using
aluminium tape, fasten the plastic cover in place.
Plastic
Cover
Insulation
Flexible Pipe
Aluminum Tape
Figure 20
NOTE: We recommend not to exceed 20 feet of 4” flexible pipe. If you
require a longer length we recommend that you use a 5” diameter flex-
ible pipe for the complete run up to 30 feet and a 6” diameter pipe for a
run of up to 40 feet.
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8. A rain cap must be installed on top of the chimney. Failure to install
a rain cap may cause corrosion problems.
THE CHIMNEY SYSTEM
Chimney Installation Notes
9. Cut and frame square holes in all floors, ceilings, and roof that the
chimney will go through to provide a 2” (50 mm) clearance between
the chimney and any combustible materials. Do not fill this 2” space
with insulation or any other combustible material.
1. If possible, install an interior chimney as it will provide better per-
formance. In areas with continuous temperatures below 18°C (0°F),
the use of an exterior chimney increases the likelihood of operating
problems such as low draft, high rate of creosoting, and poor start-up
characteristics. Exterior chimneys are also prone to down-drafting
and flow reversal. Installations which are located on lower floors in
the house, such as in a basement, in combination with an outside
chimney, are especially prone to flow reversal.
10.Portions of the chimney which may extend through accessible spaces
must be enclosed to avoid contact with combustible materials or
damage to the chimney.
11.When offsets are used, the pipe may not penetrate a ceiling or floor
unless it is running vertical (no 30° offsets).
2. The fireplace model MONTEST may be installed only with Security
Chimneys International Ltd 7” diameter chimney systems model
Secure Temp™ S2100+ / Nova Temp™ HT6000 / Secure Temp GX
(U.S. only) or ACBI.
3. A chimney venting a fireplace shall not vent any other appliance.
4. The minimum chimney height is 12 feet (3.7 m) excluding the fire-
place.
two (2) feet Min.
5. All chimney installations must include at least one support in order to
be able to take any lateral load. The maximum chimney length that
can be supported by the fireplace is nine (9) feet (2.75 m) for Secure
Temp S2100+ / Nova Temp HT6000+ / Secure Temp GX and 26 feet
(8m) for ACBI chimney. In altitude, add 18” (450 mm) to the chimney
for every 2,000 feet (600 m) above sea level.
three (3) feet Min.
ten (10) feet
6. The chimney must extend at least three (3) feet (915 mm) above its
point of contact with the roof and at least two (2) feet (610 mm) higher
than any wall, roof or building within ten (10) feet (3 m) of it (Figure
21).
7. If the chimney extends higher than five (5) feet (1,500 mm) above
its point of contact with the roof, it must be secured using a roof
brace.
Figure 21
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CHIMNEY INSTALLATION INSTRUC-
TIONS
S2100 / HT6000+
Solid Packed Pipe
ACBI
Air Cooled Pipe
1. Cut and frame the holes in the ceiling, floor
and roof where the chimney will pass (see
Figure 22). Use a plumb-bob to line up the
center of the holes. The sizes are indicated
in Table 2 for the floor and ceiling holes
and Table 3 (Page 15) for the roof holes.
Attic Radiation Shield
Attic Radiation
Shield
CHIMNEY MODEL
SqUARE HOLE
SIZE OPENING
Secure Temp™ S2100+
Nova Temp™ HT6000+
Secure TempGX
15 in (380 mm)
ACBI: Ceiling
(1” clearance)
15 in (380 mm)
17 in (432 mm)
RadiationShield
Firestop
Figure 23b
Figure 23a
Wall
Note: See Table 3 for Sloped Roof Framing
Table 2 - Flat Roof Framing
CHIMNEY INSTALLATION
MODEL ACBI
Rain Cap
Collar
Flashing
Attic Radiation
Shield
Figure 22 - Roof Framing
Frombelow,installafirestopineachceiling/floor
separationthroughwhichthechimneywillpass.
At the attic level, install an attic radiation shield
from above (Figures 23a & 23b).
Firestop
Universal Support
2. For Secure Temp S2100+ / Nova Temp
HT6000+/SecureTempGXchimneys,place
the first chimney length on the fireplace.
To lock it in place, turn 1/4 of a turn clock-
wise. With the ACBI chimney, you must
use a starter section before installing the
first chimney length (Figure 24). Continue
installing chimney lengths making sure to
lock each length in place.
ACBI Starter Section
ACBI7SB
or
Optional Chimney
Outside Air Intake
ACBI7SB30
3. Everytimethechimneypassesthroughaceil-
ing or a wall, install the appropriate firestop.
Whenyoureachthedesiredheight,installthe
roof support (Refer to instructions included
with the support). For an ACBI chimney use
an universal support AC10SU.
4. Put the roof flashing in place and seal the
joint between the roof and the flashing
with roofing pitch (see Figures 25 & 26).
For sloping roofs, place the flashing under
the upper shingles and on top of the lower
shingles. Nail the flashing to the roof, using
roofing nails.
Outside Combustion
Air Kit
Note: Outside air kits must be
installed for both fireplace and
ACBI chimney.
5. Place the storm collar over the flashing, and
tighten it with the bolt supplied. Finally, seal
the joint between the storm collar and the
chimney, using silicone caulking.
Figure 24
6. Install the chimney cap.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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After reaching the location requiring the
elbow, proceed as follows:
CHIMNEYMODEL ACBI
Chimney
Secure TempS2100+ / Nova TempHT6000+ /
Secure TempGX Chimneys
Collar
1. Install the first elbow; turn it in the required
direction. Fasten it to the chimney with
the three (3) 1/2” (12 mm) metal screws
provided with the elbow.
2. Install the necessary chimney lengths to
achievetherequiredoffset.Lockthechimney
lengths together: it is recommended to use
three (3) 1/2” (12 mm) screws. If the offset
length is made of two (2) chimney lengths
or more, use an offset support halfway up
the offset. If penetrating a wall, install a wall
radiation shield (see Figures 29 & 30).
3. Use another elbow to turn the chimney
vertically. Secure the elbow, using three
(3) 1/2” (12 mm) screws (provided with the
elbow).
Flashing
Figure 25
Figure 26
4. Use a plumb-bob to line up the center of
the hole. Cut a hole for the chimney in the
ceiling/floor. Frame this hole as described
previously (refer to Chimney Installation
Instructions on Page 14).
5. From below, install a firestop (See Figure
23a).
Roof Down Slope Hole Size
Secure Temp™ S2100+
Nova Temp™ HT6000+
Secure TempGX
DEGREEOFSLOPE
ACBI
RoofPitch
0*
7”
7”
15” (380 mm)
15” (380 mm)
6. A support (XST+ or XSO+) must be used on
the first 15’ section (5 m).
7. Continue with the regular installation.
2/12
15-3/8” (390 mm)
16-1/8” (410 mm)
16-7/8” (430 mm)
18-1/4” (465 mm)
19-5/8” (500 mm)
15-3/8” (390 mm)
16-1/8” (410 mm)
16-7/8” (430 mm)
18-1/4” (465 mm)
19-5/8” (500 mm)
4/12
6/12
8/12
ACBI Chimney
10/12
1. Install the first elbow. Turn it in the required
direction. To lock it in place, turn 1/8 of a
turn. Fastenthestrapsattachedtotheelbow
to the surrounding frame, using nails or
drywall screws (Figure 28).
12/12
21-3/8” (545 mm)
21-3/8” (545 mm)
Table 3
* Cross SlopeHoleSize
2. Install the necessary chimney lengths to
achievetherequiredoffset. Lockthechimney
lengths together. If penetrating a wall, use
a wall radiation shield.
OFFSET CHIMNEY INSTALLATION
3. Use another elbow to turn the chimney
vertically. Lock it to the chimney. Fasten
the straps attached to the elbow to the
surrounding framing using nails or drywall
screws.
After reaching the location requiring the elbow, proceed as follows. The minimum chimney height
when using elbows is:
Minimum Chimney Height When Using Elbows
4. Use a plumb-bob to line up the center of the
hole. Cutaholeforthechimneyintheceiling.
Frame this hole as described previously.
5. From below, install a firestop (see Figure
23b).
Fireplace Model
Chimney Model
Vertical Installation
Two (2) Elbows
Four (4) Elbows
Table 4
MONTEST
Secure Temp S-2100+ / Nova Temp HT6000+ / Secure TempGX/ ACBI
3.66 m (12’)
4.57 m (15’)
5.18 m (17’)
6. Continue with the regular installation.
Note: Must return to vertical before penetrating ceiling or floor.
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Offset Dimensions
B
Total Height
A
Horizontal Offset
Chimney
Elbow
15º
Offset &
Height
Two Lengths Between Elbows
8”
12”
18”
24”
36”
8” & 36”
12” & 36”
18” & 36”
24” & 36”
36” & 36”
3”
(76 mm)
4-1/4”
(108 mm)
5-3/4”
(146 mm)
7-1/4”
(184 mm)
10-1/4”
(260 mm)
12-1/4”
(311 mm)
13-1/4”
(337 mm)
14-3/4”
(375 mm)
16-1/4”
(413 mm)
19-1/2”
(495 mm)
A
20-3/4”
(527 mm)
24-1/4”
(616 mm)
29-1/2”
(749 mm)
34-3/4”
(883 mm)
45”
(1143 mm)
51-1/4”
(1302 mm)
54-3/4”
(1391 mm)
60”
(1524 mm)
65-1/4”
(1657 mm)
75-1/2”
(1918 mm)
B
A
GX
S2100+
HT6000+
7”
7-1/2”
(191 mm)
9-1/2”
(241 mm)
12-1/2”
(318 mm)
15-1/2”
(394 mm)
21-1/2”
(546 mm)
25”
(635 mm)
27”
(686 mm)
30”
(762 mm)
33”
(838 mm)
39”
(991 mm)
30º
16-1/2”
(419 mm)
20-1/4”
(514 mm)
26-1/4”
(667mm)
32”
(813 mm)
43-1/2”
(1105 mm)
50-1/2”
(1383 mm)
54-1/4”
(1378 mm)
60”
(1524 mm)
65-3/4”
(1670 mm)
77-1/2”
(1969 mm)
B
A
10”
(254 mm)
12-3/4”
(324 mm)
17”
(432 mm)
21-1/4”
(540 mm)
29-3/4”
(755 mm)
34-11/32”
(872 mm)
37-5/32”
(949 mm)
41-13/32”
(1052 mm)
45-21/32”
(1160 mm)
54-1/8”
(1375 mm)
45º
Canada
Only
17-9/16”
(446 mm)
20-7/16”
(519 mm)
24-5/8”
(625 mm)
28-7/8”
(733mm)
37-3/8”
(949 mm)
42”
(1067 mm)
44-3/4”
(1137 mm)
49”
(1245 mm)
59-9/32”
(1353 mm)
61-3/4”
(1568 mm)
B
Chimney Elbow
Offset &
Height
One Length Between Elbows
Two Lengths Between Elbows
---
12”
18”
36”
48”
---
12” & 48”
18”&48”
36”&48”
48” & 48”
----
----
5-1/2”
(140 mm)
7”
11-1/2”
(292 mm)
14-3/4”
(375 mm)
----
----
17-1/2”
(445 mm)
19”
(483 mm)
23-5/8”
(600 mm)
26-3/4”
(679 mm)
A
(178 mm)
15º
----
----
32-1/4”
(819 mm)
38”
(965 mm)
55-1/2”
(1410 mm)
67”
(1702 mm)
----
----
77-1/8”
(1959 mm)
82-7/8”
(2105 mm)
100-1/4”
(2318 mm)
111-1/8”
(2823 mm)
B
A
ACBI
7”
----
----
10-1/2”
(267 mm)
13-1/2”
(343 mm)
22-1/2”
(543 mm)
28-1/2”
(724 mm)
----
----
33-3/4”
(857 mm)
36-3/4”
(933 mm)
45-3/4”
(1162 mm)
51-3/4”
(1314 mm)
30º
----
----
30-1/8”
(765 mm)
35-3/8”
(899 mm)
51”
(1295 mm)
61-3/8”
(1559 mm)
----
----
70-1/2”
(1791 mm)
75-5/8”
(1921 mm)
91-1/4”
(2318 mm)
101-5/8”
(2581 mm)
B
Note: With the ACBI chimney, a starting length of 6” high must be used on top of the fireplace before installing.
Figure 27
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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OFFSET CHIMNEY INSTALLATION
Support
Straps
Straps
Chimney ACBI
ACBI Starter Section
Figure 28
OFFSET CHIMNEY INSTALLATION WITH WALL PENETRATION
Rain Cap
Collar
Roof Support
Roof Flashing
Outside Wall
Offset Support
Framing
2” x 3”
Insulated Wall
Radiation Shield
Note: In cold areas it is recommended to
protect the chimney in a insulated chase.
Figure 29
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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For roof support installation, refer to the instructions provided with the
support.
ANGLED WALL RADIATION SHIELD
(XRSMI30 and AC10RSMI30)
Universal Offset Support
When traversing a combustible wall with the chimney at a 30º or 45º
angle, an angled firestop or wall radiation shield must be installed. Only
one is required.
This support is used to support the chimney above an offset. When
the chimney offset is used to traverse a wall this support may be used
on the wall to support the chimney. The maximum heights are given in
Table 6. For offset support installation, refer to the instructions provided
with the support.
Note: 45º angle for Canada only (XRSMI45).
In cold climate locations (climates where temperatures will fall below 32º
F / 0º C), we recommend that you use the insulated wall radiation shield
since it will maintain the home’s thermal barrier.
CHIMNEY
7” Diameter
MAXIMUM HEIGHT OF
SUPPORTED CHIMNEY
XRSMI30 and AC10RSMI30
(XRSMI45 - Canada Only)
Offset Support
RoofSupport
Chimney Model (7” dia).
Angle
Hole Size
Secure TempS2100+
Nova Temp HT6000+
Secure Temp GX
16 feet (5.49 m).
18feet(6.1m).
Secure Temp™ S2100+
Nova Temp™ HT6000+
Secure Temp GX(US only)
15” x 38-1/4”
(380 mm x 972 mm)
30º
ACBI
40 feet (12.19 m).
50 feet(15.20m).
Secure TempS2100+
Nova Temp HT6000+
45º
15” x 25-7/8”
(380 mm x 657 mm)
Table 6
Canada only
17 x 42-1/2”
(432 mm x 1080 mm)
ACBI
30º
CHIMNEY CHASE AND MULTIPLE TERMINATIONS
Table 5
For the purpose of this manual, a chimney chase is considered a part of
the chimney system rather than part of a building. The termination must
be placed a minimum of 18” (460 mm) above the chase.
Insulated Wall
For installations where more than one chimney is located in the same
chase or within the same area, we suggest that their terminations be
separated by at least 16” (410 mm) horizontally, and 18” (460 mm) verti-
cally. This separation is to prevent smoke migrating from one chimney
to another (see Figure 31).
Drywall
18” (460 mm)
16” (410 mm)
18” (460 mm)
16” (410 mm)
Insulated Wall
Radiation Shield
Figure 30
18” (460 mm)
CHIMNEY SUPPORT INSTALLATION
Universal Roof Support
This support has three possible uses:
1. For Secure Temp S2100+ / Nova TempHT6000+ / Secure TempGX, it
must be used on a roof to support the chimney.
2. It may be used on a floor, ceiling or roof above an offset to support
the chimney above the offset.
3. It may be used on a floor, ceiling or roof as a supplementary support
when the chimney height exceeds 15 feet (4.6 m).
Figure 31
Table 6 gives maximum height of supported chimney.
NOTE: For the ACBI chimney, a support section (ACBI7SL) must be used
every 30 feet (9m) or an universal support every 20 feet (6m) instead of
the universal roof support (ST).
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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INSTALLATION INSTRUCTIONS FOR MASONRY APPLICATION
Follow these steps:
1- Position the fireplace in its location. Temporarily install the S2100+
elbow on the top of the fireplace and, using a level, mark with an oval
the location where the flue liner will enter the masonry chimney.
2- In the middle of the oval, drill a hole in the masonry chimney at 30º.
3- Increase the size of the hole until a 30º TUBINOX liner elbow can be
easily slipped through.
WARNING: Before starting the installation, the masonry chimney
must be inspected by a qualified chimney sweep.
The following requirements must be respected:
1. The chimney must be absolutely clear of any soot residue or creosote.
Check for cracks, loose or missing bricks that could inhibit correct
installation of the liner.
2. The clearance to combustible must be a minimum of 1” between the
outside of the masonry and any wood framing or loose insulation.
3. The chimney must be built in accordance with the current building
code.
4. No other appliance can be connected to the same chimney.
5. The clearances to combustible for the BISTMA30 connectors are 2”
on the side and bottom and 16” at the top.
4- Slide the liner down from the top of the masonry chimney until you
reach the hole level.
5- Slip through the hole a 30º liner elbow and connect it to the liner.
6- Add a small liner section to the liner elbow which will allow the liner to
extend at least 12” (measured at the top of the liner) from the masonry
chimney.
7- Seal the opening around the liner with high temperature refractory
cement.
8- The next steps must be done in the following order:
6. The connector parts are not necessary if the connection between the
insulatedlengthandthestainlesssteellinerisdonewithinthemasonry
chimney.
See typical installation illustrated below.
A. Select the S2100+ length that will fit between the elbow and the liner
so that it will slide at least 2” over the liner section (You may need to
cut the liner for a better fit).
B. Take that section and the BISTMA30 cover and slide it over the liner.
Make sure you have enough opening to be able to install the S2100+
elbow without difficulty.
C. Install the 30º elbow on the fireplace.
D. Slide the length section back down on the elbow and twist lock the
two together.
E. Pull the cover down over the length and install the insulation pad over
the liner; be careful to cover the liner completely.
F. Slide back the cover over the insulation and fix it in place using the 3
metal screws supplied.
Installation:
The chimney must be relined with a stainless steel liner model TUBINOX
or Projet SS of the same diameter as the outlet of the fireplace.
For connection at 30º angle, a special connector (BISTMA30) must be
used to connect the liner to the insulated chimney.
* IMPORTANT NOTE - The use of a 45º connector (BISTMA) is ap-
proved for use in Canada ONLY. Installations in the USA must use the
30º connector (BISTMA30).
1” Clearance
Firestop
High-Temp.
Cement
Insulation Pad &
Cover (BISTMA or
BISTMA3U)
TUBINOX or Projet SS
Stainless Steel Liner
* 30°
3 Screws
S2100+ / GX
TUBINOX or Projet SS
Liner Must Slide at
Least 2” Inside Length
Insulated Elbow
Insulated
Length
6’ 8”
Masonry Chimney,
New or Existing
Figure 32
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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OPTIONAL INSTALLATION ACCESSORIES
CHIMNEY - PARTS AND COMPONENTS LISTS
Installation Accessories
Description
Secure Temp GX - 2” Insulated Galvanized Chimney System
(Recommended Insulated System)
Cat./Part No.
Galvanized (7” ID & 11” OD) U.S.A. ONLY
Facades (Required - Order Separately)
Description
Cat./Part No.
H4850
H4851
H4852
Montecito Estate™ Facade Black, MEFBK
Lengths & Misc. Chimney Components
Montecito Estate Facade Brushed Nickel, MEFBN
Montecito Estate Facade Hammered Steel, MEFMC
Doors - (Required - Order Separately)
Length 8”, 7GXL8
7GXL8
7GXL12
7GXL18
7GXL24
7XL24
7GXL36
7XL36
7GXL48
7XL48
7GXE15
7GXE30
7CC
Length 12”, 7GXL12
Length 18”, 7GXL18
H4853
H4854
H4855
Montecito Estate Doors Black, MECBK
Length 24”, 7GXL24
Length 24” (stainless steel exterior flue), 7XL24
Length 36”, 7GXL36
Montecito Estate Doors Brushed Nickel, MECBN
Montecito Estate Doors Hammered Steel, MECMC
Outside Air Kit (included with fireplace)
Length 36” (stainless steel exterior flue), 7XL36
Length 48”, 7GXL48
Outside Air Coupler To Connect Outside Air (UZI) To Fireplace,
UZIAD
UZIAD
UZI
Length 48” (stainless steel exterior flue), 7XL48
15º Elbow, 7GXE15
Outside Air Ducting - includes 4” insulated flex x 10’ long, UZI
Gravity Kit
30º Elbow, 7GXE30
Rain Termination Cap, 7CC (stainless steel)
Wall Band, XBM
Gravity kit: Complete double duct system includes: 2 elbows 90º,
2 telescopic lengths, 2 grill supports & 2 black grills, 2 fireplace
adaptors.
7B30ZK-1
XBM
Supports
Gravity Kit Accessories
Offset Support, XSO
XSO
XST
Black Grill With Support (set of 2) , 7B30ZO
Brass Grill (for 7B30ZK-1) (set of 2), 7B30ZGB
Elbow 90º, 8” dia. I.D., 7B26ZE90
Elbow 45º, 8” dia. I.D., 7B26ZE45
Telescopic length, 8” dia. I.D. (15” to 26”), 7B26ZLA
Adjustable length, 8” dia. I.D. (2” - 5”), 7B26ZL2A
Length five (5) feet, 8KL5
7B30ZO
7B30ZGB
7B26ZE90
7B26ZE45
7B26ZLA
7B26ZL2A
8KL5
Roof / Floor support, XST
Roof Brace, XBS2
XBS2
Roof Flashings
Roof Flashing, Flat (includes spacer & collar), 7XF
7XF
Roof Flashing, Adjustable (5º to 30º) (includes spacer
& collar), 7XFA
7XFA
Roof Flashing, Adjustable (30º to 45º) (includes spacer
& collar), 7XFB
7XFB
7XFC
Length four (4) feet, 8KL4
8KL4
Storm Collar (spacer included), 7XFC
Firestops & Braces
Length three (3) feet, 8KL3
8KL3
Length two (2) feet, 8KL2
8KL2
Firestop, 7XBF
7XBF
7XRS
Length one (1) feet, 8KL1
8KL1
Radiation shield, 7XRS
Fireplace Kits
Insulated attic radiation shield, 7XRSA
30º Insulated wall radiation shield, 7XRSMI30
Wall Band, XBM
7XRSA
7XRSMI30
XBM
Rigid firescreen, BTZN
BTZN
Masonry Chimney Adaptor, 30º, BISTMA30
(for use with TUBINOX liner)
BISTMA30
Notes:
Fireplace Model MONTEST - Approved Venting Components manu-
factured by Security Chimneys International only.
j Nova Temp™ HT6000+ is equivalent to S-2100+
k Chimney Adaptor (S-2100+ / HT6000+) for CANADA ONLY - If you want to
install a S-2100+ / HT6000+ chimney, an adaptor is available (6UCA).
l ACBI Chimney is NOT recommended at elevations above 4,000 or in cold
climates (climates where temperatures will fall below 32° F / 0° C). With the
ACBIchimney, youmustuseastartersectionbeforeinstallingthefirstchimney
length (ACBI7SB or ACBI7SB30).
• 7” diameter chimney - ACBI (air cooled), Secure Temp™ GX (U.S.
only) and Secure Temp S-2100+ (or Nova Temp HT6000+).
• 7” diameter chimney for relining masonry chimneys - TUBINOX
chimney (or PROJET SS), 7” diameter with adaptor for installation
in a masonry chimney.
20
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CHIMNEY - PARTS AND COMPONENTS LISTS
TUBINOX LL Chimney Lining System
ACBI Chimney*
(7” I.D., 13” O.D. AC - Air Cooled)
Rigid Stainless Steel Liner For Relining A Masonry Chimney, 7” Diameter
Listed to ULC-S635M, UL-1777 & ULC-S640M at 2100º F
* AC Chimney is NOT recommended at elevations above 4,000 feet or in cold climates
(climates where temperatures will fall below 32° F / 0° C).
Description
6” Length, 7” Dia., 7LL6
Cat./Part No.
7LL6
Description
Cat./Part No.
12” Length, 7” Dia., 7LL12
7LL12
7LL24
7LL36
7LL48
7L7A
One of the following adaptors is required
if installing an AC chimney system
24” Length, 7” Dia., 7LL24
Starter Section w/ air intake, 7” Dia., ACBI7SB
Offset Starter Section 30º, 7” Dia., ACBI7SB30
H3258
H3259
36” Length, 7” Dia., 7LL36
48” Length, 7” Dia., 7LL48
The following outside air kit is required if installing an AC chimney system
Adjustable Length (7” to 11”), 7” Dia., 7L7A
Split Base Tee, 7” Dia., 7LT
Outside Air Kit (Chimney) (4” ID Flex X 10’ Long, Insula-
tion, Outside Register And Coupling), ACZI
H1967
7LT
Tee Cap, 7” Dia., 7TCS
7TCS
Lengths & Misc. Chimney Components
12” Length, 7” Dia., ACBI7L12
Twist Lock Tee Cap, 7” Dia., 7LTC
Elbow 30º, 7” Dia., 7LE30
7LTC
H3252
H3253
H3254
H3255
H3256
H3257
H3260
PE
7LE30
7LE45
7LE90
7LCS
18” Length, 7” Dia., ACBI7L18
Elbow 45º, 7” Dia., 7LE45
36” Length, 7” Dia., ACBI7L36
Elbow 90º, 7” Dia., 7LE90
48” Length, 7” Dia., ACBI7L48
Rain Termination Cap (regular), 7” Dia., 7LCS
Rain Termination Cap (deluxe), 7” Dia., 7LCC
Supports
15º Elbow, 7” Dia., ACBI7E15
7LCC
30º Elbow, 7” Dia., ACBI7E30
Rain Termination Cap (regular), 7” Dia., ACBI7CPR
Spark Arrester Screen (universal spark arrester band), PE
Wall Band, XBM
Top Support, Part# 7LST
7LST
7LSA
Support Assembly, 7LSA
XBM
Interior Support, Part# 7LSB
7LSB
Supports
Adaptor Flexible Pipe (male), 7LAAM
Adaptor Flexible Pipe (female), 7LAAF
Stainless Steel Flex - five (5) feet Long, 7LLFLEX
Adj. Insulated Wall Radiation Shield 6” to 12”, 7LRSMI
Adaptors to Masonry Chimney
7LAAM
7LAAF
7LLFLEX
7LRSMI
Support section (10” long), ACBI7SL
Universal support, AC10SU
H3263
H3265
Roof Flashings
Flat roof flashing (includes spacer & collar), ACBI7FR
H3275
H3276
Roof Flashing, Adjustable, 5º - 30º (includes spacer &
collar), ACBI7FAR
Masonry Chimney Adaptor, 30º, BISTMA30
(for use with TUBINOX liner)
BISTMA30
Roof Flashing, Adjustable, 30º - 45º (includes spacer &
collar), ACBI7FBR
H3277
Misc.
Firestop, ACBI7BF
H3268
H3269
H3270
H3271
H3272
H3278
Radiation Shield, ACBI7RS
Attic Radiation Shield, ACBI7RSA
Telescopic Attic Radiation Shield, ACBI7RST
Insulated Wall Radiation Shield 30º, AC10RSMI30
Storm Collar, AC10FC
21
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REPLACEMENT PARTS LIST
SPECIFICATIONS
Montecito Estate™ - Replacement Parts
Cat. No.
Model
Description
Cat./Part No.
UZY5
H4842
MONTEST
Blower
Blower Motor Speed Control
Snap Disc, Blower
VRUW
Product Reference Information
Weight
Height
Width
Depth
450 lbs
49-3/8”
46-1/4”
27”
VTU
Baffle refractory (2 pieces) (top of firebox)
Top Hearth Insulation
PR-ISO2205
PR-ISO2521
PR-SR2421
Front Refractory Bricks
Firebox W x H x D
measured in front
31” x 14-1/2”x14”
Back Refractory Brick
PR-SR2415
PR-SR2417
PR-SR2419
PR-SR2416
PR-SR2418
PR-SR2422
PR-SR1787
PR-SR2543
PR-SR2405
PR-SR1800T
PR-SACBTFBK2
PR-SACBTFBN2
PR-SR2425
PR-SR2356G
PR-SR2356D
PR-SR2379
B2CH
Chimney weight -
SecureTempGX (7”dia)
Right Side Refractory Bricks - Back
Right Side Refractory Bricks - Front
Left Side Refractory Bricks - Back
Left Side Refractory Bricks - Front
Bottom Refractory Brick
9.5 lb/ft.
Chimney weight - ACBI
3.75 lb/ft.
CLEARANCE TO COMBUSTIBLES
Wooden Door Handle
The following clearances meet the minimum requirements for a safe
installation:
Bottom Door Lock
Top Door Lock
• Side wall (fireplace front): 24” (457 mm) measured from the fireplace
Hinge Assembly, Fireplace & Door
Decorative Screw Caps, Black (2)
Decorative Screw Caps, Brushed Nickel (2)
Timer
side.
• Ceiling: 6’ 8” (2,032 mm) measured from the base of the fireplace
• Fireplace enclosure:
Bottom: 0”
Ceramic Glass Left
Ceramic Glass Right
Side: 0”
Back: 0”
Secondary Air Tube (4)
Log Retainers (2)
• Top: Do not fill the space above the fireplace with any material (Except
the wood framing. See Figure 10)
Around the Glass Gasket (61-3/4”)
On the Door Frame Gasket (48-3/8”)
Between the Doors Gasket (17-5/8”)
Touch-up Paint, Aerosol, Black Metallic SBMB6309
PR-SR1685C
PR-SR1823I
PR-SR1823J
70K99
• Chimney: 2” (50 mm), except for through ceiling application, ACBI
chimney, 1’’ (25 mm) clearance.
Touch-up Paint, Charcoal (for hammered steel
facade)
PR-P6201
• Mantel: 56” (1422 mm) measured from the base of the fireplace.
Outside Air Coupler For AC Chimney 4” ID, UACZI
H3274
UZIAD
Outside Air Coupler To Connect Outside Air (UZI) To
Fireplace, UZIAD
22
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NOTES
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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 fireplace is covered by a limited warranty. 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.
2. 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 92865
See Page 22 for a complete replacement parts list. Use only parts sup-
plied from the manufacturer.
Your Fireplace's Model Number________________________________________
Your Fireplace's Serial Number ________________________________________
The Date On Which Your Fireplace Was Installed___________________________
Your Dealer's Name _________________________________________________
Your Dealer's Phone Number__________________________________________
The manufacturer 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 Canada © 2006 by LENNOX HEARTH PRODUCTS
1110 West Taft Avenue • Orange, CA 92865
P/N 850,038M REV. E 01/2008
24
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