OWNERS MANUAL
Models B2350 and B2350B
Wonderluxe
THERMOSTAT CONTROLLED DUAL FUEL CIRCULATOR SERIES
• ASSEMBLY
• INSTALLATION
• OPERATION
• REPAIR PARTS
Tested To:
UL 1482 - 06 &
ULC S627-00
Fold Here
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SAFETY NOTICE:
If this heater is not properly installed, a house fire may result.
To reduce the risk of fire, follow the installation instructions.
Contact local building or fire officials about permits, restrictions
and inspection requirements in your area.
CAUTION:
Please read this entire manual before you install and use your
new room heater. Failure to follow instructions may result in prop-
erty damage, bodily injury, or even death.
DO NOT USE THIS HEATER IN A MOBILE HOME OR TRAILER
United States Stove company
P.O. Box 151
United States Stove Company
227 Industrial Park Rd.
A
South Pittsburg, tN 37380
P.O.Box 151
South Pittsburg, TN 37380
S
C
U S
(423) 837-2100
P
851884
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8. CAST IRON PARTS MUST BE “SEASONED” TO
AVOID CRACKING. BUILD ONLY SMALL FIRES
ON FIRST USE.
whenheaterisnothot. DONOTuseanyharsh
chemicals (acids or caustics) or scouring
powder, as these wear and dull the finish.
HOW TO ORDER REpAIR pARTS
9. To prevent injury, do not allow anyone to use
this heater who is unfamiliar with the correct
operationoftheheater.Donotallowchildren
to use or in any way operate this heater.
13. KEEPTHEFEEDDOOR,ASHDOORANDCABINET
DOOR CLOSED AT ALL TIMES EXCEPT WHILE
TENDING THE HEATER. KEEP SEALS IN GOOD
CONDITION. DO NOT OVERFIRE THE HEATER.
THIS WILL HAPPEN IF THE FEED DOOR, OR
PARTICULARLY THE ASH DOOR, IS LEFT OPEN
DURING OPERATION. UNDER EXTREME CON-
DITIONS THIS CAN PRODUCE DANGEROUS
RESULTS. AT A MINIMUM, IT WILL ALLOW THE
PAINT TO DISCOLOR.
This manual will help you to obtain efficient, dependable service from
the heater, and enable you to order repair parts correctly.
CAUTION: DO NOT TOUCH THE HEATER UNTIL IT
HAS COOLED. ALWAYS WEAR GLOVES WHEN
REFUELING THIS UNIT OR WORKING WITH METAL
CABINET PARTS.
Keep this manual in a safe place for future reference.
10. Keeptheashpitsectionfreeofexcessashes.
Do not allow ashes to stack higher than the
sides of the ash pan. Never allow the ashes
to contact the grate.
14. DONOTUSEthecoalbricksthataremanufac-
tured from coal dust and a wax-type binder.
When writing, always give the full model number which is on the
nameplate attached to the inside of the cabinet door of the heater.
15. Use smoke detectors in the room where your
heater is installed. We recommend installing
smoke detectors in your home if not already
installed.
11. CAUTION: The special paints used on your
heater may give off some smoke while they
are curing during first few fires. Build small fires
at first. The metal used in construction of the
heater has a light coating of oil. This could
give off smoke and/or odors when heater is
used for the first couple of times. This should
disappear after a short period. Once this
burn-off has occurred, it should not reoccur.
16. DO NOT connect this heater to any air distri-
bution duct or system.
When ordering repair parts or options, always give the fol-
lowing information as shown in this list:
17. Never use make-shift compromises during
the installation.
18. For further information on using your heater
safely, obtain a copy of the National Fire
Protection Association (NFPA) publication
“Using Coal and Wood Stoves Safely” NFPA
No. HS-10-1978. The address of the NFPA is
Battery March Park, Quincy, MA. 02269.
12. CARING FOR PAINTED PARTS- This heater has
a painted outside jacket, which is durable
but will not stand rough handling or abuse.
When installing your heater, use care in
handling. Clean with soap and warm water
1. The PART NUMBER
2. The PART DESCRIPTION
3. The MODEL NUMBER:________________
4. The SERIAL NUMBER:________________
MINIMUM CLEARANCES TO COMbUSTIbLE WALLS AND CEILINgS
Minimum clearances to unprotected combus-
tible walls and ceilings as noted by figures 2
through4mustbemaintained. Drapes, curtains,
furnitureandothercombustiblematerialsshould
be kept much further away from the heater
to avoid fire. If you choose to, you may install
the heater and chimney connector closer to
combustible surfaces than indicated by Figures
2 through 4 IF a clearance reduction system is
alsoinstalledtoprotectcombustibleceilingsand
walls near the heater and chimney connector.
However,therearelimitstohowclosetheheater
and chimney connector can be installed to
combustiblesurfacesprotectedbyaclearance
reduction system.
Acorrectlyinstalledclearancereductionsystem
protects the combustible surfaces well beyond
the sides and above the top of the heater and
beyond the sides and top of the chimney con-
nector pipe.
Two common types of clearance reduction
systems use sheet metal with a minimum thick-
ness of 28 gauge (galvanized steel, aluminum,
copper) or a 3-1/2 inch (4 inch nominal) thick
masonry wall. Either of these materials must be
spacedout1inchfromthecombustiblesurfaces.
With sheet metal, non-combustible spacers are
used to maintain the 1 inch air space. With a
masonry wall, metal wall ties and furring strips, if
needed are used to anchor the brick to the wall.
Toavoidexcessiveheattransmission,thespacers
or wall ties should not be placed directly behind
the heater or chimney connector. The 1 inch air
space provides free air circulation. It is essential
that there be openings at the top and bottom of
these clearance reducers so cool air can enter
at the bottom and hot air exit at the top. It is
the “chimney effect” whereby when the air in
the space is heated, it rises exiting from the top
and being replaced by cooler air at the bottom,
that makes these shields effective.
Masonry,orothernon-combustibleproducts,at-
tacheddirectlytoacombustiblesurfacewithout
an air space offer very little protection and can-
not be considered a clearance reducer unless
specified materials have been tested and listed
for direct attachment to a combustible surface.
The same applies to thin veneer brick and stone
coverings. These materials provide adequate
protection only when mounted on sheet metal
with a 1 inch spacing to the wall.
Before installing your heater, fill in the serial number of your heater in
the space provided above.
A variety or prefabricated clearance reduction
systems which have been tested and listed are
available through heater dealers. Always look
for a safety listing label on the product when se-
lectingaclearancereductionsystemandmake
sure it is designed for solid fuel appliances. The
manufactures of these systems provide specific
installation instructions that must be followed
exactly for a safe installation.
United States Stove Company
227 Industrial Park Rd.
A
P.O.Box 151
South Pittsburg, TN 37380
S
C
U S
(423) 837-2100
P
3
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LOCATINg THE HEATER
NOTES
AS A LOCATION IS SELECTED, KEEP THE FOLLOWING MIND:
1. Thechimneyconnectionshouldbeasairtight
in./ft. 2 hr. Deg. F with 28-gauge sheet metal
as possible. The heater must have its own
chimney flue. Do not connect this unit to a
chimney flue serving another appliance. If
there is no chimney near where you wish to
place the heater, you can use a UL 103HT
Residential Type and Building Heating Ap-
pliance Chimney.
or a UL Listed floor protector. Have the floor
protector extend 16" beyond the door side
of the heater and under the connector pipe
in the back.
3. Check Figures 2, 3, and 4. Be sure you have
the clearances shown from the heater and
the connector pipe to combustible surfaces.
If you have a solid brick or stone wall behind
your heater, you can place the heater as
close as you wish to the wall. If the wall is
only faced with brick or stone, treat it as a
combustible wall.
2. Place the heater on solid masonry or solid
concrete. When the heater is used on a
combustible floor, use a non-combustible
floor protector of one layer of 3/8" millboard
having a thermal conductivity of K=0.84 BTU
NOTE: bEFORE FIRINg HEATER
Slide firebricks toward the rear so no
gaps remain between them.
CAUTION:
Keep furnishings and other combus-
tible materials away from the heater.
25
(635mm)
25
(635mm)
*16
35
(989mm)
*17
(406mm)
(432mm)
12
(305mm)
NON-COMBUSTIBLE CONSTRUCTION
IN ACCORDANCE WITH NFPA 211
AND CAN/CSA-B365-M91
54
(1.37M)
12
INCHES (METRIC)
(305mm)
NOTE: DASHED LINES SHOW
STRAIGHTUP AND DOWN THROUGH
36
(914mm)
THE WALL INSTALLATION.
*CANADIAN INSTALLATIONS REQUIRE
A MINIMUM OF 18” (450mm) ON THE
FUEL LOADING SIDE AND 8”(203mm)
ON ALL OTHER SIDES.
4 3/4
(121mm)
NOTICE:
Clearances stated above may ONLY be reduced
by means approved by the regulatory authority.
DO NOT CONNECT TO OR USE IN CONjUNCTION WITH
ANY AIR DISTRIBUTION DUCT OR SYSTEM.
4
21
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Your smoke pipe should be assembled in
such a way that the male section (crimped
end) of the pipe faces down. This will allow
condensation in the flue to run back into the
heater. Attach each of the sections to one
another with three equidistant metal screws
and seal each joint with furnace cement.
CHIMNEY CONNECTION
ExTERNAL pARTS DIAgRAM/LIST
Twobasictypesofchimneysareapproved
forusewithsolidfuel:Factory-builtandma-
sonry. Factory-built chimney must comply
with UL 103 type “HT” standard.
12
Do not expect your stove or furnace to
create draft. Draft is not a function of the
appliance. It is purely a function of the
chimney. Modern stoves and furnaces
are much more air-tight and efficient
than those of the past and, therefore re-
quire greater draft. A minimum of .05 w.c.
(12.45Pa), is required for proper drafting
to prevent back-puffing, smoke spillage,
andtomaximizeperformance. Gaugesto
measure chimney draft are readily avail-
able at stove shops and are economical
to purchase or rent.
14
13
The pipe must be short and straight. All
sections installed horizontally must slope at
least 1/4 inch per foot, with the upper end
of the section toward the chimney.
6
3
11
To insure a good draft, the total length of
the coupling pipe should never exceed 8’
to 10’ (2.4m to 3.04 m). (Except for cases
of vertical installation, cathedral-roof style
where the smoke exhaust system can
be much longer and connected without
problem to the chimney at the ceiling of
the room).
17
2
5
15
7
Chimneys perform two functions - one of
which is apparent: The chimney provides
a means for exhausting smoke and flue
gasesresultingfromcombustionofthefuel.
Secondarily,though,thechimneyprovides
“Draft”whichallowsoxygentobecontinu-
ouslyintroducedintotheappliance,sothat
proper combustion is possible.
It is recommended that no more than two
90 degree bends be used because it may
reduce the amount of natural draft. The use
of corrugated (non-adjustable) elbows is
preferred as they are much more airtight.
1
9
10
8
4
16
9
You must have at least 18 inches of
clearance between any horizontal piping
and the ceiling.
6
IMpORTANT
The pipe cannot extend into the chimney
flue.
Yourchimneyconnectorandchimneymust
havethesamediameterasthestoveoutlet
(6”). If this is not the case, we recommend
you contact your dealer in order to insure
there will be no problem with the draft.
The chimney connector must not pass
through an attic, roof space, closet, any
concealed space, floor, ceiling, wall or
combustible construction. Where passage
through a wall or partition of combustible
construction, the installation must conform
to CAN/CSA-B365, Installation Code for
Solid-Fuel-Burning Appliances & Equipment.
Key part No.
Description
Qty.
1
2
67725P
23477
67967B
67968B
67969B
89065
89635
83093
83005
69557B
21063
67966B
21593
83833
67743
69271
851886
89687
Panel, Cabinet Front - Pewter
Shield, Top Thermo
Cabinet, Left
1
1
1
1
1
4
1
1
2
1
2
1
1
1
1
1
1
1
The stove pipe must be made of aluminized
or cold roll steel with a minimum thickness
of 0.021” or 0.53 mm. It is strictly forbidden
to use galvanized steel.
3
4
Frame, Door
5
Door, Cabinet
6
Hinge, Door
7
Knob, Door
8
Latch, Spring
9
#10-24 x 1/2 Machine Screw, PH HD
Back, Cabinet
10
11
12
13
14
15
16
17
18
Brace, Back
Top, Cabinet
Support, Hinge
Clip, Hinge
Assy., Thermostat
Chain & Hook Assembly
Plate, Control Panel - Wonderluxe
Knob, Thermostat
To Stove
5
20
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CHIMNEY
pARTS LIST
Description
Your wood stove may be hooked up with a The following recommendations may be
Key part No.
Qty.
6” factory built or masonry chimney. If you
are using a factory built chimney, it must
comply with UL 103 standard; therefore it
must be a Type HT (2100°F). It is extremely
important that it be installed according to
the manufacturer’s specifications.
useful for the installation of your chimney:
1
67859
22030
22110
68619
88032
40246
22090
22171
40075
67132
25550
83890
40100
22536
40102
40101
40045
40132
89066
891940
40199
88033
891941
40289
88033
83872
23441
83102
40056
83415
25201
83250
40509
89523
22434
83045
83273
22108
23474
67444
Weldment, Base
1
1. It must rise above the roof at least 3’
(0.9m) from the uppermost point of
contact.
2
Shield, Second Heat (Included w/ 67859)
Shield, Heat (Included w/ 67859)
Assy., Heat Jacket
Gasket, Flue Collar
Collar, Flue
1
3
1
4
1
2. The chimney must exceed any part of
the building or other obstruction within
a 10’ (3.04m) distance by a height of 2’
(0.6m).
5
1
If you are using a masonry chimney, it is
important that it be built in compliance
with the specifications of the National
Building Code. It must be lined with fire clay
bricks, metal or clay tiles sealed together
with fire cement. (Round flues are the most
efficient).
6
1
7
Curtain, Smoke
1
8
Clip, Smoke Curtain
Frame, Draft Damper
Damper, Draft Control
Pin, Draft Damper
Clip, Push
2
3. Installation of an interior chimney is
always preferable to an exterior chim-
ney. Indeed, the interior chimney will,
by definition, be hotter than an exterior
chimney, being heated up by the am-
bient air in the house. Therefore the gas
which circulates will cool more slowly,
thus reducing the build-up of creosote
and the risk of chimney fires.
9
1
10
11
12
13
14
15
16
17
18
19
20
-
1
1
1
The interior diameter of the chimney flue
must be identical to the stove smoke ex-
haust. A flue which is too small may cause
draft problems, while a large flue favours
rapid cooling of the gas, and hence the
build-up of creosote and the risk of chim-
ney fires. Note that it is the chimney and
not the stove which creates the draft ef-
fect; your stove’s performance is directly
dependent on an adequate draft from
your chimney.
Liner, Front/Back
Support, Grate
3
2
Grate, Frame
1
Grate, Coal
1
4. The draft caused by the tendency for
hot air to rise will be increased with an
interior chimney.
Shaker
1
Retainer, Brick
2
Firebrick (4.5” x 9” x 1.25”)
Assy., Feed Door (Complete)
Feed Door - Casting Only
Rope Gasket, 3/8”
Assy., Ash Door (Complete)
Ash Door - Casting Only
Rope Gasket, 3/8”
Pin, Door - Short
10
5. Using a fire screen at the extremity of
the chimney requires regular inspection
in order to insure that it is not obstructed
thus blocking the draft, and it should be
cleaned when used regularly.
1
-
21
22
-
3.75 ft.
DONOTCONNECTTHISUNITTOACHIMNEY
FLUE SERVING ANOTHER APPLIANCE.
1
-
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
2.42 ft.
1
1
2
2
2
2
4
2
1
1
2
1
1
1
1
Pin, Door - Long
Bolt, 1/4-20 x 1.25” CS, Slotted Hd.
Wheel, Draft
Nut, 1/4-20 Jam
Shield, Flame
Kep Nut, 1/4-20
Handle, Door
Handle, Drop Wood
Latch, Door (2-Step)
Washer, Flat
Washer, Spacer
Latch, Door (Door Stop)
Liner, Top
Ash Pan
6
19
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INTERNAL pARTS DIAgRAM
FACTORY bUILT CHIMNEY
When a metal prefabricated chimney insulation shield, roof flashing, chimney
is used, the manufacturer’s installation
instructions must be followed. You must
cap, etc. Maintain proper clearance to
the structure as recommended by the
also purchase (from the same manufac- manufacturer. The chimney must be the
turer) and install the ceiling support pack- required height above the roof or other
age or wall pass-through and “T” sec- obstructions for safety and proper draft
4
5
6
24
tion package, firestops (where needed),
operation.
20 21
37
27
26
25
31
32
7
8
30
29
28
33
10
12
9
34
35
30
31
23 22
38
36
34
30
11
1
18
19
13
13
2
3
16
15
17
14
18
7
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vENTINg INTO A FIREpLACE
MAINTENANCE
Manypeoplemaywishtoconvertanexisting
heater is being vented into another appli-
ance - the fireplace. This method should not
beattemptedbecausecombustionproducts
will deposit and build up in the firebox or
fireplace. Be certain not to install a hazard in
you house. You will void your warranty with
this installation.
DISPOSAL of ASHES
fireplace to heater use. Usually, safe con-
nection of stovepipe to a masonry chimney
requires more effort than connection to a
prefabricated chimney. The fireplace must
be closed and sealed at the damper in the
flue. Good sealants are high temperature
caulking, ceramic wool, and furnace ce-
ment. Always remember to inspect the
masonry chimney and fireplace. If neces-
sary, clean the flue and smoke shelf before
beginning your installation. Install the heater
into the chimney so that the system can be
dismantled for cleaning and inspection.
Ashes should be removed from the stove every
few days or when ashes get to 2 to 3 inches
deep. Always empty the stove when it is cold,
such as in the morning. 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 ground, well
away from all combustible materials, pending
final disposal. If the ashes are disposed of by
burial in soil or otherwise locally dispersed, they
should be retained in the close container until all
cinders have thoroughly cooled. Do not use the
ash container to dispose of other trash.
CAUTIONS:
• ASHES COULD CONTAIN HOT EMBERS EVEN
AFTER TWO DAYS WITHOUT OPERATING THE
STOVE.
• THE ASH PAN CAN BECOME VERY HOT. WEAR
GLOVES TO PREVENT INJURY.
Connectionofthestovepipedirectlyintothe
existing masonry chimney over the fireplace
opening is the only approved method. This
installation performs better, yielding easy to
cleanandinspectforcreosote.Beforebegin-
ning this type of installation plan carefully; a
highdegreeofskillisrequiredtoinsuresafety.
• NEVER BURN THE STOVE WITH THE ASH TRAP
OPEN. THIS WOULD RESULT IN OVER FIRING
THE STOVE. DAMAGE TO THE STOVE AND
EVEN HOUSE FIRE MAY RESULT.
CREOSOTE / SOOT - FORMATION AND NEED FOR REMOVAL
When wood or coal is burned slowly, it produces
tar and other organic vapors, which combine
with expelled moisture to form creosote or soot.
The creosote vapors condense in the relatively
cool chimney flue of a slow-burning fire. As a
result, creosote/soot residue accumulates on
the flue lining. When ignited this creosote/soot
makes an extremely hot fire. When burning wood
or coal, the chimney connector and chimney
should be inspected at least twice a month during
the heating season to determine if a creosote/
soot build-up has occurred. If creosote/soot has
accumulated, it should be removed to reduce the
risk of a chimney fire.
Wait for the heater to cool, then inspect the
Before deciding to convert your fireplace
or existing chimney, keep in mind that older
fireplaces and their chimneys are unsafe.
They must be structurally sound, and the
flue liner must be in good condition. Do
not use a chimney if it is unlined (should
have a tile clay liner to protect brickwork),
have it relined professionally. Clearances to
combustibles are explained in the previous
section on masonry chimneys. If you have
any questions regarding the condition of
the chimney, consult a qualified engineer,
competentmason,certifiedChimneySweep,
or knowledgeable inspector.
An entry port for the stovepipe must be cut
throughthechimneywithminimumdamage
to the fire clay liner. Some involved measure-
mentsmayberequiredtolocatetheflueliner
exactly.Beforecutting,taketimetomarkthe
sizeandpositionoftheentryport.Positionthe
entry port so that at least 8 inches of the flue
liner remains below the port.
chimney area for damage. A chimney fire may
cause ignition of wall studs or rafters which you
thought were at a safe distance from the chimney.
If no damage results, perform a chimney cleaning
to ensure there is no more creosote deposits
remaining in the chimney. We suggest having your
chimney inspected by a qualified person before
using again.
Establish a routine technique for seasoning, storing,
and burning your fuel. Check daily for creosote
build-up until experience shows how often you
need to clean to be safe. Be aware that the hotter
the fire, the less creosote or soot is deposited and
weekly cleaning may be necessary in mild weather
even though monthly cleaning may be enough
during the colder months. Contact your local
municipal or provincial fire authority for information
on how to handle a chimney fire if one occurs.
Have a clearly understood plan to handle the
situation if such an event were to happen.
Keep in mind that wood mantels and com-
bustible trim around the fireplace must have
adequate clearances from the heater and
stovepipe or must be protected in an ap-
proved manner. Also, be sure to leave at
least 24” clearance between the top of the
stovepipe and the combustible ceiling or
othercombustibles.Placingthecenterofthe
entry port 2 feet below the ceiling will insure
proper clearance for 6 inch, 8 inch, and 10
inchstovepipes.Next,installafireclay(atleast
5/8in. thick)ormetalthimble, beingsurethat
the thimble is flush with the inner flue lining.
Secure the thimble in place with refractory
mortar. The thimble should be surrounded
on all sides with 8 inches of brickwork (solid
masonry units) or 24 inches of stone.
If a chimney or creosote fire occurs, close all
dampers immediately and call the fire department.
Many prefabricated fireplaces fall into the
“zero-clearance fireplace” category. This is
a factory metal fireplace with multi-layered
construction.Itisdesignedtoprovideenough
insulationand/oraircoolingsothatthebase,
backandsidescanbesafelyplacedinclose
contact with combustible floors and walls.
Although many prefabricated fireplaces
have been tested by nationally recognized
organizationsforuseasfireplaces, theyhave
not been tested to accept heaters. In fact,
theiruseassuchmayvoidthemanufacturer’s
warranty.
Once a chimney fire occurs, it can only be
extinguished by removing its source of oxygen. This
can be accomplished by shutting any mechanical
draft devices and/or discharging a CO² (Carbon
Dioxide) or Halon fire extinguisher directly into the
heater through an appropriately placed cleanout.
If using a Halon extinguisher, please note that it
totally displaces oxygen and could become a
hazard in itself if enough is discharged into the
living space.
NOTICE:
KEEP YOUR CHIMNEY AND CHIMNEY
CONNECTOR CLEAN AND IN GOOD
CONDITION. DOING SO CAN MAINTAIN
HEATER EFFICIENCY AND REDUCE THE RISK
OF A FIRE.
Install the stovepipe as far as possible into
the thimble, but not past the inside of the
flue lining. There should be a small air space
(approximately 1/2 in.) between the stove-
pipe and thimble, allowing for expansion
of the stovepipe. Seal this airspace with
high-temperaturecaulkingorceramicwool.
Finally, be sure to wire the damper closed
and apply the same sealant you used at the
stovepipe and thimble junction.
Steel-lined fireplaces, on the other hand,
can be used with heaters. These units use a
1/4-inch fire box liner and an air chamber in
connectionwith8inchesofmasonrytomeet
code. They contain all the essential parts of
a fireplace, firebox, damper, throat, smoke
shelf, and smoke chamber. Many of them
lookexactlylikeamasonryfireplaceandmust
be checked closely for above requirements
before installing a coal heater into them.
Donotventupthroughthefireplaceopening,
regardless of whether the fireplace opening
is closed.
Another method frequently used by some
people is to vent the heater directly into the
fireplace. This does not meet code since the
8
17
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bULLETINE RC454
continued...
to a near closed position - but leave the ash
pit damper at least partially open to prevent
the fire from going out. Adjust the stove pipe
damper to reduce the draft on the fire. With an-
thracite there will be short blue flames above
the coal, except when the fire is started or a
new charge is added. If, however, there is no
flame then the fire needs more air from the bot-
tom (unless it is near the end of its burn cycle
and needs to be recharged).
BANKING THE FIRE:
For extended operation, such as overnight, the
fire will need to be banked. To do so heap coal
up along the sides and back of the firebox so
that the fire gradually burns it over a longer
period of time. The intensity of the fire will also
be reduced without letting it go out. Follow the
same procedure as for refueling. If possible,
avoid shaking, as a heavier layer of ash will
help reduce the intensity of the fire during this
time. After loading, let the fire establish itself for
about 30 minutes. Then close your damper and
automatic control to the point where the house
does not become too cold. It is important that
you begin banking early enough before retiring
or leaving that you can make necessary adjust-
ments after the fire is well established.
Only when the coal is burned down to half its
original depth it is time to add fresh coal. When
doing so, open the stove pipe damper and turn
the thermostat damper to high, which will al-
low the fire to burn off any accumulated gases.
Open the feed door, and with a small rake,
hoe, or hooked poker pull the glowing coals
to the front of the firebox. Try not to disturb
the fire too much. Next, add a fresh charge
to the back being careful not to seal off the
top. Close the feed door, but leave the spin
damper (or thermostat) open for a few minutes
until the volatile gases have burned off. It is not
necessary to shake down the ashes each time
you refuel the furnace. Experience will be your
best teacher.
To revive a coal fire that is almost out, (1) open
the ash door and stove pipe damper and close
the spin damper under the door to get a good
draft through the grate. (2) place a thin layer of
dry coal over the entire top of the fire. DO NOT
POKE OR SHAKE THE FIRE AT THIS TIME! (3) after
the fresh coal has become well ignited shake
the grate (just a little), refuel.
MASONRY CHIMNEY
Masonry Chimneys have several positive
attributes: If properly built, they are quite
durable, and most homeowners consider
flue outlet. For example, do not expect a
wood burning stove or furnace to function
properly if installed into a chimney with a
themmoreattractiveperhapsthananon- flue liner greater than 50% the appliance
enclosed factory built chimney. And, if outlet -- such as a 6” flue outlet requires
the chimney is located within the confines a 6” diameter for optimum drafting, but
of the house (that is, not attached to an can function well with an 8”, but becomes
DR6 - 6” DRAFT REgULATOR - OpTIONAL KIT
In the unlikely event that your heater “overfires”
(a condition evidenced by elbows, stove pipes,
and connectors glowing red in appearance or
otherwise discoloring), then your installation
is subject to excessive draft created by either
a chimney too tall or too great in diameter in
conjunction with its height, or some other factor
of an indeterminate cause. In this event, you
should install a barometric draft regulator. Such
installation will preclude any over-firing and/
or any hazardous consequences of potential
overfiring.
exterior wall), its mass alone will store heat borderline beyond 8” diameter.
longer and continue to release the heat
Masonrychimneysbuiltofconcreteblocks
long after the fire has died. Masonry chim-
without flue liners of at least 5/8” fireclay
neys have many disadvantages though.
do not meet modern building codes. A
Masonry chimneys constructed on an
exterior wall are exposed to cold outdoor
temperatures, promoting greater heater
loss, higher accumulations of creosote,
and reduced draft which leads to poorer
heater or furnace performance.
solid fuel appliance must not be joined
to a chimney flue which is connected to
another appliance burning other fuels.
If your chimney has a typically oversized
flue liner of 8x12 inches or greater, or if it is
unlined,itwillbenecessaryforyoutoreline
the chimney, using many of the modern
approvedandeconomicalmethodssuch
as stainless steel, castable refractory, or
properly sized fireclay linings.
Barometric draft regulators are generally avail-
able where you purchased your stove or may
be ordered directly from United States Stove
Company at a nominal charge.
When considering a masonry chimney,
round tiles are preferable to square or
rectangular, as round tiles have much
better airflow characteristics and are far
easier to clean. Unfortunately, most North
American chimneys use square or rectan-
gular tile liners that are really designed for
open fireplaces, not stoves or furnaces. Of
most importance, second only to overall
chimney height, is the diameter of the flue
liner itself. In most instances, it should be
sized to the appliance; i.e., 6” flue outlet
on the appliance requires a 6” flue. The
inner diameter should never be less than
the flue outlet diameter and should never
be greater than 50% of the appliance
b36TK - THERMODISC KIT FOR b36 bLOWER - OpTIONAL
Wish your blower would turn ON and OFF as
the heater gets warm and cold? It can with
this optional kit from U.S. Stove. It connects in
line with your power supply cord and mounts
to the back of the heater. When the snap disc
reaches 120 degrees, the blower automatically
turns ON and turns itself OFF if it reaches 90 de-
grees. See your Dealer for details or call U.S.
Stove directly.
If you have any question regarding vent-
ing your appliance, feel free to contact
the factory at the address and phone
number on this Owner’s Manual. You may
alsocontactNFPA(NationalFireProtection
Association) and request NFPA Standard
211 (1984 Edition). Their address is Battery
MarchPark,Quincy,Massachusetts02269.
Another helpful publication is NFPA Stan-
dard 908, available at the same address.
Specify1984Editiononeitheroftheabove
publications.
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MASONRY CHIMNEY continued...
bULLETINE RC454
A guide to burning coal in your heater.
Ensure that a masonry chimney meets the
Have the chimney cleaned before the
stove is installed and operated. When
connecting the stove through a combus-
Heaters that are capable of burning coal usu-
to the center of the firebox forming the cone.
Burning in this fashion allows heat to drive off
the volatile gases, and turbulence created
increases the burn efficiency. There will have
to be some experimenting with the individual
setup as no two chimney’s or installations are
going to be the same. Just remember to allow
enough air to enter the firebox and keep the
stove pipe damper open so that volatiles are
properly burned. Before refueling, take the time
to break up the cone a little with a poker, espe-
cially if it has caked over or formed a crust. But,
be careful not to mix the coal as this increases
the chances of forming clinkers. When shaking
the grate(s) be gentle. Just a few short move-
ments - a couple of “cranks” - is better than
a lot of agitation. The objective is to remove a
small amount of the ashes without disturbing
the fire. Stop when you see a glow in the ashes
or the first red coals fall into the ash pan. Exces-
sive shaking wastes fuel and can expose the
grate(s) to very high temperatures which can
cause warpage or burnout.
minimum standards of the National Fire
Protection Association (NFPA) by having
it inspected by a professional. Make sure tible wall to a masonry chimney, special
there are no cracks, loose mortar or oth- methods are needed.
er signs of deterioration and blockage.
ally will burn both Bituminous and Anthracite
coal. Anthracite is perhaps the best coal fuel
because of its long even burn time, high heat
output, and cleanliness which make it a good
choice for the home. However, keep in mind
it is a much more difficult fuel to use, requires
more care and patience, is not so widely avail-
able, and is usually much more expensive than
Bituminous
SIZE OF COAL:
Most sizes of Bituminous Coal will work in a coal
heater; for best results we recommend large
“nut” coal to small “egg” coal (1-3/4” diameter
to 4” diameter). When burning Anthracite, use
“egg” or “broken” with sizes between 2-5/16”
thru 4-3/8”. Note that it is important to the long
life of your stove to buy coal which has been
sized and cleaned. Cleaning insures removal of
rocks and other minerals. Never use coal small-
er than 1” or larger than 5” in diameter. Small
sized coal will smother the fire. Too large a size
of coal will not burn well.
For overnight operation (long duration burn
time) shake the fire and add coal, retaining the
center cone. Once the volatiles are burned off,
close the feed door and adjust the stove pipe
damper, if equipped. Then adjust the thermo-
stat to the desired heat level.
STOVE OPERATION:
All coal fires should be started with wood which
will allow the fire to get hot enough to ignite
the coal. The best ignition fires utilize dry pine or
other resinous soft woods as kindling, with hard
wood (oak, hickory, ash) added to increase
the heat prior to addition of the coal.
More MAINTENANCE will be needed with bitu-
minous coal than with anthracite coal as more
soot will collect on heating surfaces and in
pipes, requiring more frequent cleaning.
Before starting the fire, open the stove pipe
damper (if equipped), turn the thermostat to
high, open the ash pit door and feed door,
place newspaper and finely split kindling on the
grate, light the paper, add larger hard wood
after the kindling is burning brightly. CAUTION:
Never use gasoline, lantern fuel, kerosene,
charcoal lighter fluid, or other flammable liq-
uids to start or freshen up a fire in any heater.
Place the larger pieces of wood on the fire so
that they are slightly separated and form a
level for the addition of coal. It will take 10 to 20
minutes before this wood is thoroughly ignited.
Adding coal too soon will cut the air supply and
smother the fire.
ANTHRACITE:
Add a thin layer of coal (preferably smaller
chunks) to the wood fire, being careful not to
disturb it too much or cut off the draft. Then,
add a second heavier layer after the coal is ig-
nited and burning well. If necessary, add a third
layer to bring the coal up to the top of the front
liner (not above!). Be sure to close the ash door.
Before adding further fuel, be sure to leave a
red spot of glowing coals in the center of the
firebox to insure that the fire has not been
smothered and to help ignite the gases given
off by the new charge. A deep charge will give
a more even heat and a longer fire, but it may
take one to two hours before the whole bed is
fully ignited.
BURNING BITUMINOUS:
Once your kindling and wood fire has produced
a bed of well established coals, start adding
coal in layers allowing each to ignite before
adding more. Bituminous has a high volatile
content and, as a result, should be fired with
the “conical method” - with the highest portion
of your fire bed in the center of the firebox. The
first flames will be long and generally orange
or yellow and produce quite a bit of smoke. As
the gases burn off the flames become shorter,
change color and produce less smoke.
When the fire is well established and the room
is becoming warm, partially close the dampers.
Some experimenting will have to take place
with each particular setting of all dampers and
controls as the chimney provides the draft nec-
essary to not only exhaust the smoke, but to
pull combustion air into the heater as well - and
no two chimney’s perform the same. Under
ideal draft conditions, one should be able to
turn the secondary air supply on the feed door
Once the fire is WELL ESTABLISHED add coal
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Operating Instructions
Combustible Wall Chimney Connector pass-Throughs
ment the clay liner in place to the chimney flue
liner.
1. Always set the thermostat to high before opening
FUEL RECOMMENDATIONS
the feed door to refuel or stoke the fire.
WOOD
2. Whenopeningthefeeddoor,turnhandleandopen
door until it stops on the latch and leave it at that
positionforatleast10secondsbefore openingfully.
This, along with step 1 above, will allow any accu-
mulated gases or smoke to exit into the chimney,
eliminating flame or smoke spillage into the room.
Hardwood, 18” to 23” log should be split and air
dried(seasoned)for6monthstoobtainmaximum
burning efficiency.
Method B. 9” (228.6 mm) Clearance to Combus-
tible Wall Member: Using a 6” (152.4 mm) inside
diameter, listed, factory-built Solid-Pak chimney
section with insulation of 1” (25.4 mm) or more,
build a wall pass-through with a minimum 9”
(228.6 mm) air space between the outer wall of
the chimney length and wall combustibles. Use
sheet metal supports fastened securely to wall
surfaces on all sides, to maintain the 9” (228.6
mm) air space. When fastening supports to
chimney length, do not penetrate the chimney
liner (the inside wall of the Solid-Pak chimney).
The inner end of the Solid-Pak chimney sec-
tion shall be flush with the inside of the masonry
chimney flue, and sealed with a non-water sol-
uble refractory cement. Use this cement to also
seal to the brick masonry penetration.
Wood should be stored in a dry, well ventilated
area. A wooden box or crate is ideal for storage.
DO NOT USE MANUFACTURED OR
CHARCOAL LOGS
3. If need be, shake the grate vigorously back and
forth to dump the ashes into the ash pan. Do this
at least once every 12 hours of operation.
COAL
4. Never smother the fire when adding fuel.
5. Add fresh kindling if the bed of coals has cooled.
6. Never add fuel above the top of the firebrick.
Most sizes of bituminous coal will work in your
heater; for best results we recommend large
nut coal to small egg coal (1-3/4” diameter
to 4” diameter). When burning anthracite, use
egg or broken with sizes between 2-5/16” and
4-3/8”. Note that it is important to the life of your
stove to buy coal which has been sized and
cleaned. Cleaning insures removal of rocks
and other materials.
7. Be sure the new fuel is burning before you close the
door and adjust combustion air.
8. CoalFire-RefertotheBulletineRC454inthismanual
for more information on burning coal.
9. Adjust dampers and air shutters to obtain the
burn you desire. The air shutter on the thermostat
control should never be closed complete when
burning coal.
Method C. 6” (152.4 mm) Clearance to Com-
bustible Wall Member: Starting with a minimum
24 gage (.024” [.61 mm]) 6” (152.4 mm) metal
chimney connector, and a minimum 24 gage
ventilated wall thimble which has two air chan-
nels of 1” (25.4 mm) each, construct a wall pass-
through. There shall be a minimum 6” (152.4)
mm separation area containing fiberglass insu-
lation, from the outer surface of the wall thimble
to wall combustibles. Support the wall thimble,
and cover its opening with a 24-gage minimum
sheet metal support. Maintain the 6” (152.4 mm)
space. There should also be a support sized to
fit and hold the metal chimney connector. See
that the supports are fastened securely to wall
surfaces on all sides. Make sure fasteners used
to secure the metal chimney connector do not
penetrate chimney flue liner.
DO NOT burn coke, charcoal, high volatile
bituminous coal, sub bituminous, lignite or
cannel coal (sometimes called channel coal
or candle coal).
10. Empty ash pan regularly. Do not allow the ashes
to build up to the grate as the grate will warp and
burnout will occur. Allowing ashes to build up may
alsoresultinashspillagewhenremovingtheashpan.
Dispose of hot ashes properly (See Maintenance).
STORE COAL IN A DRY, WELL VENTILATED AREA.
CAUTION! NEVER USE THE MANUFACTURED
COAL BRICKS THAT ARE MADE FROM COAL
DUST AND A WAX TYPE BINDER.
CAUTION!
HOT WHILE IN OPERATION. KEEP CHILDREN,
CLOTHING, FURNITURE AWAY. CONTACT MAY
CAUSE SKIN BURNS.
NEVERUSEGASOLINE,GASOLINE-TYPELANTERN
FUEL,KEROSENE,CHARCOALLIGHTERFLUID,OR
SIMILAR LIQUIDS TO START OR “FRESHEN UP” A
FIRE IN THIS HEATER. KEEP ALL SUCH LIQUIDS
WELLAWAYFROMTHEHEATERWHILEITISINUSE.
LIGHTING
1. Set the thermostat on “HIGH” and open both
spin dampers on the feed and ash door for
maximum draft.
2. Open the feed door and place paper and
woodkindlingonthegrateforstartingthefire.
Method D. 2” (50.8 mm) Clearance to Com-
bustible Wall Member: Start with a solid-pak
listed factory built chimney section at least 12”
(304 mm) long, with insulation of 1” (25.4 mm)
or more, and an inside diameter of 8” (2 inches
[51 mm] larger than the 6” [152.4 mm] chimney
connector). Use this as a pass-through for a min-
imum 24-gauge single wall steel chimney con-
nector. Keep solid-pak section concentric with
and spaced 1” (25.4 mm) off the chimney con-
nector by way of sheet metal support plates at
both ends of chimney section. Cover opening
and support chimney section on both sides with
24 gage minimum sheet metal supports. See
that the supports are fastened securely to wall
surfaces on all sides. Make sure fasteners used
do not penetrate chimney flue liner.
3. Light the kindling and close the door.
DO NOT OPERATE THIS HEATER WITH THE FEED
OR ASH DOOR OPEN. THIS HEATER IS DESIGNED
FOR THERMOSTATIC OPERATION. OPERATING
WITH EITHER DOOR OPEN WILL OVERHEAT AND
DAMAGE THE HEATER.
4. Once a fire is established and burning briskly,
add your choice of fuel, wood or coal, being
careful not to smother out the kindling fire. For
coal, add approximately 15 pounds.
ALWAYSCLOSETHEDOORSAFTERTHEIGNITION.
For the first few burns, build small fires to allow
thecastironcomponentsandpaintedcabinet
parts to season or cure. Your new stove will
emit some smoke and odors from the curing
processbutshouldonlydosoforashortperiod
of time. We suggest opening a window in the
room of which the unit is installed.
NEVER OVERFIRE YOUR STOVE. IF ANY PART OF
THE STOVE STARTS TO GLOW RED, OVER FIR-
ING IS HAPPENING. READjUST THE AIR INTAKE
CONTROL TO A LOWER SETTING.
BUILD FIRES DIRECTLY ON THE GRATE IN THE
HEATER.
Method A. 12” (304.8 mm) Clearance to Com-
bustible Wall Member: Using a minimum thick-
ness 3.5” (89 mm) brick and a 5/8” (15.9 mm)
minimum wall thickness clay liner, construct a
wall pass-through. The clay liner must conform
to ASTM C315 (Standard Specification for Clay
Fire Linings) or its equivalent. Keep a minimum
of 12” (304.8 mm) of brick masonry between the
clay liner and wall combustibles. The clay liner
shall run from the brick masonry outer surface to
the inner surface of the chimney flue liner but
not past the inner surface. Firmly grout or ce-
DO NOT BURN GARBAGE, FLAMMABLE FLUID
SUCH AS GASOLINE, NAPHTHA OR MOTOR OIL.
ADDING FUEL
When maintaining a fire, add small amounts of
fuel periodically as required (enough to burn for
3 to 5 hours). As you become more familiar with
the operation of your heater, it is possible to add
wood or coal to burn for longer durations of 8
to 10 hours. But during so carelessly will promote
incomplete combustion and considerable soot-
ing along with a very dirty, inefficient fire.
DO NOT STORE FUEL OR OTHER COMBUSTIBLE
MATERIALSWITHINTHEMINIMUMCLEARANCES
SPECIFIEDINTHISMANUALORWITHINTHESPACE
REQUIREDFORCHARGINGANDASHREMOVAL.
DOING SO COULD RESULT IN A HOUSE FIRE.
NOTES:
1. Connectors to a masonry chimney, except-
ing method B, shall extend in one continuous
section through the wall pass-through system
and the chimney wall, to but not past the inner
flue liner face.
NEVER ALTER THE ADjUSTMENT RANGE OR AIR
INLETS TO INCREASE FIRING FOR ANY REASON.
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CAbINET DOOR KNOb ASSEMbLY
INSTRUCTIONS FOR TWO-STEp LATCH OpERATION
Follow these instructions to operate you unit safely when operating the feed door.
The cabinet door knob is mounted on the
FOLLOW THESE INSTRUCTIONS FOR DOOR
inside of the cabinet door to facilitate
shipping and must be removed and re-
installed for proper usage.
KNOB ASSEMBLY:
1. Turn handle clockwise to the 12 o'clock
position(A),pullthedooropenuntilyou
engage the second step (B).
3. Then to open door, turn the handle
counter clockwise to the 9 o'clock
position (C) and then continue to pull
the door open. (D)
1. Remove the machine screw and the
door knob.
To get the cabinet door open, place
your hand under the cabinet frame (right
hand side of the cabinet door) and push
door out.
2. Place the knob on the outside of the
cabinet door, re-install the machine
screw and tighten being careful not to
strip out the threads in the plastic handle.
2. Hold the door in that position for ap-
proximately 10 seconds.
4. To close and latch the door, reverse
steps 1 thru 4.
MACHINE SCREW
C
A
B
D
NOTE:
THIS NEW LATCHING MECHANISM MEETS CODES AND PROVIDES MORE
SAFETY FOR THE USER OF THIS STOVE.
NOTE:
DURING OPENING AND CLOSING OF THE FEED AND ASH DOORS OF THIS HEATER, IT MAY
SEEM THAT THE FIT OF THE DOOR IS "TOO TIGHT". AS THE HEATER IS FIRED, THE GASKETING
"SETTLES" OR "SEATS" ITSELF IN THE DOOR. THE TIGHT FIT AT THE FACTORY AND BEFORE
THEHEATER'SINITIALFIRINGISTOINSUREAGOODSEALAFTERTHEGASKETING"SETTLES".
CABINET DOOR KNOB
Cb36 ROOM bLOWER ASSEMbLY
NOTICE: The CB36 is standard equipment on the
model B2350B. If you wish to purchase an as-
sembly, you can contact your dealer for details
or get it directly from the U.S. Stove Company.
Caution! Route the Power Supply Cord
away from the heat source and out of high
traffic areas.
HOW TO OpEN THE TOp LID
CAUTION! DO NOT OPEN OR CLOSE THE TOP WHEN THE HEATER IS HOT!
INSTALLATION
1. Remove the Panel (A) using tin snips or
knock out using a hammer and chisel care-
ful not to distort the mounting surface.
To open, grasp the top at the front or on each
corner and lift all the way up until the support
rod stops the motion. Then gently lower the top
allowing the support rod to settles in the cup,
holding the top open.
To Close, lift the top until the support rod is out
of the cup. Pull the rod forward and lower the
lid closed.
2. Attach the Blower Mounting Box (B) to the
rear of the unit using four(4) of the supplied
#10 screws.
3. Then mount the Blower Assembly with the
four(4) remaining screws.
OPERATION
1. Rotating the rheostat control
knob clockwise will turn ON the
blower.
2. When turned on, the blower
comes on HIGH, then as the
knob is rotated clockwise, the
blower speed reduces.
3. Rotate the knob counter-clock-
wise to turn OFF.
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