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Models 1500 & 1537G
OWNERS 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
*THE 1500 & 1537G HOTBLAST FUR-
NACES HAS BEEN APPROVED FOR
U.S. INSTALLATIONS ONLY.
*CERTIFIED UNDER ANSI/UL 391 1983
IMPROPER INSTALLATION MAY VOID
CAUTION:
YOUR WARRANTY
READ ALL INSTRUCTIONS CARE-
FULLY BEFORE STARTING THE
INSTALLATION OR OPERATING
DO NOT USE T
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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 preserve 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 Folding Rul
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Caution Labels Caution Labels Caution Labels Caution Labels 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 substances in the furnace room.
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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 with their rulings. 2. Do not install this furnace in a mobile home or trailer. 3. Always connect this furnace to a chimney and vent to the outside. Never vent to another room or inside a building. 4. Do not connect this furnace
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HOW THE FURNACE FUNCTIONS PARALLEL INSTALLATION: Your HOTBLAST Furnace is designed (See Optional Wiring Diagram, Page 13, Fig. to be a supplemental or central heating source 13) The design is such that when the blower for your home. This Solid Fuel Furnace may comes on, the blower on the central system be installed in conjunction with a properly also comes on. The blower will only come on operating central furnace that is listed or cer- when the temperature in the plenum has tified
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DIMENSIONS OF FURNACE 49-1/8" Figure 1B Figure 1 1400/1500 Models 1500/ 1537G 32-1/8" 24-1/16" 1-3/4" 33-7/8" 40-11/16" 9" CAUTION CAUTION GASES THAT ARE DRIVEN FROM FRESH NEVER USE GASOLINE, GASOLINE-TYPE COAL MUST BE BURNED OR THEY WILL LANTERN FUEL, KEROSENE, CHARCOAL ACCUMULATE AND EXPLODE. NEVER LIGHTER FLUID, OR FLAMMABLE LIQUIDS SMOTHER A FIRE WHEN ADDING FRESH TO START OR "FRESHEN UP" A FIRE IN THE COAL. FURNACE. CAUTION WARNING DO NOT OPERATE WITH THE FEED AND/OR NEVER STORE FLAMMABLE
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Locating the Furnace 18" 6" CHIMNEY 1. The furnace should be located in the same room as the central system and as close as possible, but not CENTRAL 12" 9" FURNACE closer than 9". There should 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. (See Fig. 2) 48" 2.The unit will require installation with the following clearances: Figure 2 Unit to sidewall...............12"(305mm) Unit to backwall............
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THIMBLE 6" ELBOW 6" SOLID DAMPER 6" BAROMETRIC DRAFT REGULATOR (OPTIONAL) 6" CHIMNEY NON-COMBUSTIBLE CONNECTOR WALL 6" ELBOW Chimney Connection Fig. 4 MASONRY CHIMNEY Before using an existing masonry chimney, clean the chimney and inspect the flue liner to be sure it is safe to use. Make repairs before attaching the furnace. See page 4, item 5. Look at Fig. 4. The connector pipe and fitt
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Rules for Connector Pipe Installation 1. The crimped end of the chimney connector fits inside the furnace flue collar. Install additional chim- ney connectors and elbow with the CRIMPED END TOWARD THE FURNACE. This will allow any condensation in the flue to run back into the furnace. Use 6" dia. steel pipe and elbows for connection to chimney. Never use less than 24 gauge and al- though blued steel is satisfactory, high temp painted black is much more desirable. 2. Slope any horizontal pipe
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Assembly of Furnace Your furnace requires the following items to be assembled or installed by the service person: Feed Door Pull Handle Feed Door Locking Handle Blowers and Blower Controls Electrical Connections Remove all parts from inside the furnace 1. Fig. 8 and inspect for damage, including the firebrick as some breakage could occur during shipment. Assemble the feed door pull handle as 2. shown in Figure 8. Install thermostat assembly and cover (complete with handle) as illustrated i
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Fig. 11 NOTE: Wire leads from the distribution blower are usually BOTH BLACK. Makes no difference which leads from the motors connects to the corre- sponding leads coming out of the conduit. 11
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Installation Pipe to combustible: Please see all methods of Installation in Sides: 21" Appendix at the rear of this booklet. Back: 18" This is a furnace, not a free standing stove. The installation must be made only on a noncom- You must direct heated air from 8" outlets away from bustible floor. the furnace, or it will not function properly. d) Install the smoke pipe connector to the chimney with 26-gauge pipe and elb
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PLENUM 6" MIN. TO 18" MIN. Figure 12 CEILING 2" MIN. AIR SPACE REQUIRED BY CODE CENTRAL FURNACE Operating Instructions FUEL, Models 1500 & 1537G 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
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Service Hints If the chimney is operating too cool, water Do not expect a furnace to draw. It is the 4. chimney that creates the draft. Smoke spillage will condense in the chimney and run back into the furnace. Creosote formation will be into the house or excessive build-up of water or rapid and may block the chimney. Operate creosote in the chimney are warnings that the chimney is not functioning properly. Correct the the furnace at a high enough fire to keep the chimney warm, preventing t
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Model 1500 & 1537G Repair parts 30 31 32 33 36 35 34 26 29 28 27 37 15
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KEY PART # DESCRIPTION QTY. 1 69509 Firebox Weldment 1 2 25467R Cabinet Side (Left & Right) (Color - Red) 2 ** 25467G Cabinet Side (Left & Right) (Color - Green) 2 3 88032 Flue Collar Gasket 1 4 40246 Flue Collar 1 5 23459 Cabinet Back (Color - Red) 1 ** 23459G Cabinet Back (Color - Green) 1 6 25466R Cabinet Top (Color - Red) 1 ** 25466G Cabinet Top (Color - Green) 1 7 40258 Rear Liner 1 8 40269 Front Liner 1 9 23398 Baffle 1 10 40256 Shaker Grate Frame 2 11 40257 Shaker Grate 2 12 40260 Sha
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5 6 8 3 12 1 4 7 10 11 7 13 9 2 KEY PART # DESCRIPTION QTY. - 68733 Thermostat Box Assembly (Color - Red) - ** 68733G Thermostat Box Assembly (Color - Green - 1 68722 Thermostat Panel Weldment 1 2 68732 Thermostat Cover Weldment (Color - Red) 1 ** 68732G Thermostat Cover Weldment (Color - Green) 1 3 23429 Thermostat Step Plate 1 4 23431 Friction Plate 1 5 81903 Thermostat 1 6 23427 Thermostat Mounting Bracket 1 7 83172 #10 Sheet Metal Screw 6 8 89041 Spring 1 9 89175 Thermostat Knob 1 10 234
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APPENDIX INSTALLATION A TO EXISTING DUCT WORK COLD AIR WARM AIR RETURN EXISTING FURNACE FILTER BOX SOLID FUEL FURNACE 19
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INSTALLATION B PLENUM COLLECTOR BOX TO EXISTING DUCT WORK COLD AIR WARM AIR RETURN EXISTING FURNACE FILTER BOX SOLID FUEL FURNACE INSTALLATION C PLENUM ELBOW TO EXISTING DUCT WORK COLD AIR WARM AIR RETURN PLENUM TOP (OPTIONAL) EXISTING FURNACE FILTER BOX SOLID FUEL FURNACE 20
