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Models 1357M & 1557M
OWNER'S MANUAL
SOLID FUEL
WARM AIR FURNACE
FOR PARALLEL INSTALLATION WITH EXISTING FORCED AIR-GAS OR OIL
FIRED FURNACE (U.S. ONLY)
FOR INSTALLATION AS A CENTRAL FURNACE
ALL MODELS CERTIFIED UNDER UL 391
IMPROPER INSTALLATION MAY
CAUTION:
VOID YOUR WARRANTY
READ ALL INSTRUCTIONS CARE-
FULLY BEFORE STARTING THE
INSTALLATION OR OPERATING DO NOT USE THIS FURNACE
IN A MOBILE HOME OR TRAILER
THE FURNACE
UNITED STATES STOVE COM
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CONGRATULATIONS! You've purchased one of America's Finest Wood and Coal Burning Furnaces. By heating with wood and coal you're helping CONSERVE AMERICA'S ENERGY! Wood is our Renewable Energy Resource. Please do your part to pre- serve our wood supply. Plant at least one tree each year. Future generations will thank you. NOTE: YOUR UNIT MUST BE INSTALLED BY A QUALIFIED FURNACE INSTALLER. TOOLS AND MATERIALS NEEDED TOOLS MATERIAL Pencil 6" Pipe, 6" Elbow, Collar and Thimble; 6 Foot Fold
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Caution Labels Your Furnace has the following labels. Read and Obey all labels. DANGER: RISK OF FIRE OR EXPLOSION. DO NOT burn garbage, gasoline, drain oil, or other flammable liquids. WARNING: FIRE HAZARD. DO NOT operate with fire draft exceeding .06 inches w.c. DO NOT operate with fuel loading or ash removal doors open. DO NOT store fuels, paints, thinners, flammable liquids, or other highly volatile sub- stances in the furnace room. CAUTION: HOT SURFACES! Keep children away. Do not touch d
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Rules for safe installation and operation Read these rules and the instructions carefully. Failure to follow them will cause a hazard that could result in death, serious bodily injury, and/or property damage. 1. Check your local codes. The installation must comply 13. CAUTION- The special paints used on your furnace with their rulings. may give off some smoke while they are curing during first few fires., Build small fires at first. The metal 2. Do not install this furnace in a mobile
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HOW THE FURNACE FUNCTIONS Your HOTBLAST Furnace is designed to be a PARALLEL INSTALLATION: (U.S. ONLY) supplemental or central heating source for your The design is such that when the blower comes home. This Solid Fuel Furnace may be installed on, the blower on the central system also comes in conjunction with a properly operating central on. The blower will only come on when the tem- furnace that is listed or certified in accordance perature in the plenum has reached the setting with na
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DIMENSIONS OF FURNACE Figure 1 Model 1357M Figure 2 Model 1557M 6
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Locating the Furnace 18" 1. The furnace should be located in the same 6" CHIMNEY room as the central system and as close as possible, but not closer than 9". There should 21" be no wall between the furnace and the warm air outlet duct that is connected directly to the warm air outlet plenum of the central furnace. CENTRAL 12" (See Fig. 4) FURNACE 9" 2. Place the furnace on a noncombustible floor. 3. Check figures 3 through 5. Be sure you have the clearances shown below from the furnace
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Chimney Connection MASONRY CHIMNEY Before using an existing masonry chimney, clean THIMBLE the chimney and inspect the flue liner to be sure 6" ELBOW it is safe to use. Make repairs before attaching the furnace. The connector pipe and fittings 6" SOLID DAMPER you will need to connect directly to a masonry chimney are shown. 6" BAROMETRIC The chimney connection should be as short as DRAFT REGULATOR possible. 6" CHIMNEY CONNECTOR If the connector pipe must go through a combus- tible wall be
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Rules for Connector Pipe Installation 1. The crimped end of the chimney connector fits inside NOTE: the furnace flue collar. Install additional chimney con- A flue pipe shall not pass through an attic, roof nectors and elbow with the CRIMPED END TOWARD space, closet or similar concealed space, a floor THE FURNACE. This will allow any condensation or ceiling of combustible construction. Where in the flue to run back into the furnace. Use 6" dia. passage through a wall or partition is de
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CONNECTION OF CHIMNEY CONNECTOR TO A MASONRY CHIMNEY THROUGH A COMBUSTIBLE WALL Figure 8 shows how to connect the chimney connector of a heater to a masonry chimney through a combustible wall. There are five allowable ways that a chimney connector can be connected to a masonry chimney by passing through a combustible wall. NFPA Standard 211 allows the following wall pass-through systems. Figure 11 10
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AIR SPACE FIGURE 12, PART A MINIMUM CHIMNEY CLEARANCE TO BRICK AND COMBUSTIBLES IS 2 IN. MINIMUM CLEARANCES 12 IN. OF BRICK ALL AROUND CHIMNEY CONNECTOR TO HEATER FIRE CLAY LINER MINIMUM 12 IN. (5/8" MIN. WALL THICKNESS) TO COMBUSTIBLES MASONRY CHIMNEY CONSTRUCTED TO MIN. 3-1/2" THICK BRICK NFPA 211 MASONRY WALL 1. Use a minimum 3-1/2" thick brick masonry wall framed into the combustible wall. A fireclay liner (ASTM C315 or equivalent) having a 5/8" minimum wall thickness must be used and it m
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MINIMUM CHIMNEY CLEARANCES FROM MASONRY TO FIGURE 12, PART D SHEET STEEL SUPPORTS AND COMBUSTIBLES 2 IN. SHEET STEEL SUPPORTS MINIMUM CLEARANCE 2 IN. ALL AROUND CHIMNEY SECTION 1 IN. AIR SPACE TO CHIMNEY THIMBLE CHIMNEY LENGTH CHIMNEY CHIMNEY CONNECTOR CONNECTOR TO HEATER SOLID INSULATED, LISTED AIR SPACE FACTORY-BUILT CHIMNEY 2 IN. LENGTH (12 IN. LONG MIN.) SHEET STEEL SUPPORTS (24 GAUGE MIN. THICKNESS) MASONRY CHIMNEY CONSTRUCTED TO NFPA 211 4. Use an 8" inside diameter solid insulated liste
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Assembly of Furnace Your furnace requires the following items to be as- sembled or installed by the service person: Feed Door Pull Handle Feed Door Locking Handle Blowers and Blower Controls Electrical Connections 1. Remove all parts from inside the furnace and in- spect for damage, including the firebrick as some breakage could occur during shipment. 2. Assemble the Damper Box Assembly to the Feed Door and the Black Knob to the Damper Box if not already installed. Ensure the damper operates
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WIRING DIAGRAM Figure 16 NOTE: For model 1357M, disregard the wiring (wires M1 & M2) of one blower motor. Wire leads from the distribution blower are usually BOTH BLACK. Makes no difference which leads from the motor(s) connects to the corresponding leads coming out of the conduit. 14
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d) Install the smoke pipe connector to the chimney Installation with 26-gauge pipe and elbows (to be purchased Please see all methods of Installation at the separately), maintaining the proper clearances rear of this booklet. for the specific model. Seal the smoke pipe in the chimney with furnace cement. (The chimney This is a furnace, not a free standing stove. You must connector shall be securely supported, and joints direct heated air from 8" outlets away from the furnace, fastened
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Operating Instructions FUEL Models 1357M & 1557M Egg size (1-3/16" or larger) bituminous coal for residential furnaces, or any of the specially packed fireplace coals can be used. Coal with a low ash content (2% to 6%) is recommended. Hardwood, 18" to 26" should be split and air dried (seasoned) for 6 months. LIGHTING 1. Set the thermostat on "HIGH" for maximum draft. 2. Open the feed door and place paper and kindling on the grate for starting the fire. 3. Light the fire and close the feed doo
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4. If the chimney is operating too cool, water will Service Hints condense in the chimney and run back into the Do not expect a furnace to draw. It is the furnace. Creosote formation will be rapid and chimney that creates the draft. Smoke spill- may block the chimney. Operate the furnace at age into the house or excessive build-up of a high enough fire to keep the chimney warm, water or creosote in the chimney are warn- preventing this condensation. ings that the chimney is not functi
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Trouble Shooting Tips for Warm Air Furnace 1. Problem: E. Make sure you’re not suffocating the fire with exces- sive amounts of unburned wood. Smoke puffs from furnace F. Slide baffle should be pulled out prior to load door Solution: opening. A. Check chimney draft. Check for blocked chimney or 4. Problem: flue pipe. Use mirror to check chimney clearance. Distribution blower vibrating B. Check ash pit — if it is too full, empty. Solution: C. Make sure furnace room is not too airtight.
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Repair Parts 2 3 5 3 2 4 2 2 1 2 3 3 3 2 5 8 3 1 7 3 0 6 9 2 4 2 9 2 0 1 8 1 9 1 2 1 7 1 3 2 6 1 1 2 8 1 0 2 7 1 1 6 2 1 1 4 1 5 3 4 3 4 41 3 9 47 4 0 3 5 4 4 42 43 3 7 3 8 3 7 3 6 3 8 3 6 45 4 8 49 46 1357M 1557M 69399 19
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Parts List Key Part No. Description Model Qty. Key Part No. Description Model Qty. 1357M 1357M 25541G 1 1 Cabinet Side (Left & Right) 2 26 80230 Blower 25467G 1557M 1557M 2 1357M 2 88032 Flue Collar Gasket 2 1 27 89319 Gasket, Blower 1557M 3 40246 Flue Collar 1 2 1357M N/S 83227 Bolt, 1/4-20 x 1" 6 4 28 83340 1/4-20 Clipnut 1557M N/S 83250 Kep Nut, 1/4-20 6 8 25540G 1357M 1357M 4 4 Cabinet Back 1 N/S 83339 Bolt (1/4-20 x 3/4") 23459G 1557M 1557M 8 1357M 25561G 29 22140 Relay Box Bracket 1 5 Cabi
