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GAS-FIRED VENTED GAS-FIRED VENTED
GAS-FIRED VENTED GAS-FIRED VENTED GAS-FIRED VENTED
W WALL FURNACE ALL FURNACE
W W WALL FURNACE ALL FURNACE ALL FURNACE
INSTALLATION AND
OPERATING INSTRUCTIONS
P/N 84502 / REV. 10/2008
R
R
NATURAL GAS W255F, W355F, W505F L.P. GAS W256F, W356F, W506F
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
- Do not store or use gasoline or
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CONTENTS Introduction................................................ 2 Lighting Instructions................................................... 11 Specifications.............................................. 2 Pilot Adjustment........................................................... 12 Safety Rules................................................. 3 Burner Flame Adjustment............................................ 12 Clearances.................................................... 3 M
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SAFETY RULES CONTROLS A) The wall furnace should be located near the center of All controls are preassembled at the factory. the house for best heat distribution. B) Due to high temperatures, the appliance should be The normal manifold pressure should be 3.5” w.c. on Natural Gas and 10” w.c. on L.P. Gas. The located out of traffic and away from furniture and draperies. maximum inlet pressure in the gas supply pipe should C) Children and adults should be alerted to the hazard
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COMBUSTION AND VENTILATION AIR When installed, this gas appliance must be provided with fresh air for combustion, ventilation, and dilution of hot flue gases. The minimum required volume of the area where the appliance is installed should be 50 cubic feet per 1,000 btu/hr. If installed in an area of the home that is considered an unconfined space, the natural infiltration of air around windows and doors will be adequate. If the area is considered a confined space (less than 50 cubic feet per 1
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COMBUSTION AND VENTILATION AIR ALL COMBUSTION AIR FROM ADJACENT INDOOR SPACES THROUGH INDOOR COMBUSTION AIR OPENINGS ALL COMBUSTION AIR FROM OUTDOORS THROUGH VENTILA TED A TTIC UL Listed Vent Cap UL Listed Vent Cap UL Listed Gas Vent UL Listed Gas Vent Ventilation Louvers (each end of attic) Opening Inlet Outlet Air Grille Inlet Air Duct Inlet (Ends 1 ft. [300mm] above floor) Opening Grille FIGURE A FIGURE C ALL COMBUSTION AIR FROM ALL COMBUSTION AIR FROM OUTDOORS OUTDOORS. INLET AIR FROM TH
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VENTING USING ADJACENT STUD SPACE FOR ALL COMBUSTION AIR This appliance must be properly connected to a venting FROM OUTSIDE system. Consult local ordinances governing venting. Install only UL listed type BW 4” oval gas vent. When the vent enters the HOLES CONNECTING attic, a listed type B-1 round flue pipe may be used. See Figure TO VENTILATED ATTIC 2, Page 7. Vent pipe must connect to the wall furnace header plate with a “B” vent base plate and terminate with a cap at a point at CEILING lea
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ROUGH-IN INSTRUCTIONS WARNING: Do not bypass the blocked flue NOTE: Maximum wall thickness for a dual switch. To do so could expose the consumer to wall (W505, W506) installation is 5-3/8”. property damage, personal injury or possible death. STEP 1. Attach the base plate (purchased with the vent pipe) to the header plate Height above any More than 10’ roof surface using two No. 8 sheet-metal screws 10’ within 10’ FIGURE A horizontally through the pre-punched holes. The heater m
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STEP 4.Remove double ceiling plate between studs. ROUGH-IN INSTRUCTIONS Install one ceiling plate spacer across the cut out in ceiling plate. Install vent pipe into position, FIGURE 1 be sure to lock bottom of vent pipe into the base plate. Nail second ceiling plate spacer in place. (See Figure C, Page 6). ROUGH-IN DIMENSIONS STEP 5.If the vent continues through additional stories within the 2x4-stud space, then fire-stop-spacers must be installed at the second and subsequen
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INSTALLATION STEP 6. To place furnace into position, grasp furnace and lift so furnace flue vent and header plate vent opening engage. Do not use burner or gas control to lift heater. Lift furnace upward and B-W VENT swing bottom into wall opening until legs rest on floor plate and are flush to finished wall. For proper combustion, level heater front to back and side to side. Nail legs to studs. DO NOT BEND LEGS as this will put the entire unit into a bind and cause expansion noises (See Fi
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CAUTION: Label all wires prior to disconnection when Thermostat Manual servicing controls. Wiring errors can cause improper Reset and dangerous operation. Verify proper operation Blocked after servicing. Pilot Flue Switch Generator WIRING INSTRUCTIONS – GRAVITY WALL FURNACE Wire WALL Nut THERMOSTAT WARNING: Failure to locate the thermostat properly MODELS or to wire the furnace correctly may result in continuous NAT. L.P. operation, control damage or failure to operate. This
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LIGHTING INSTRUCTIONS MODELS: W255F, W256F / W355F, W356F / W505F, W506F FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted • If you cannot reach your gas supplier, call the fire by hand. When lighting the pilot, follow these in- department. structions exactly. B. BEFORE LIGHTING smell all around the C. Use on
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PILOT ADJUSTMENT MAINTENANCE INSTRUCTIONS Locate the pilot adjustment screw on the valve. The pilot 1. Installation and repair should be done by a qualified flame should surround at least the top 3/8” of the powerpile service person. The appliance should be inspected before (pilot generator) or thermocouple (see below). The pilot is use and at least annually by a professional service person. unregulated so it will be operating at inlet line pressure (Max. More frequent cleaning may be require
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BBSK INSTALLATION INSTRUCTIONS STEP 1. Select left or right side of front panel for most convenient location of the temperature control knob. Remember to choose the side that allows adequate clearance for accessibility to adjust the control knob. STEP 2. On selected side, locate three (3) vertical dimples beginning approximately 20-½” above bottom of the front panel. See Figure 9. *On Gravity Wall Furnaces manufactured prior to November 2005 (without bracket hole dimples in the left and right
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BBSK INSTALLATION INSTRUCTIONS 40230 SIDE VIEWS / FRONT PANEL FRONT 40225 BBSK HEAT PANEL SIDE CONTROL SWITCH SHIELD SWITCH BRACKET #6X1/4 (2) SCREW SENSING BULB CONTROL KNOB CAPILLARY CONTROL ROD TUBE #8X1/2 (2) SCREW FIGURE 10 GAS V AL VE 20-1/2” BBSK CONTROL SWITCH RIGHT LEFT SIDE SIDE VIEW VIEW FIGURE 9 Blue Wire Blocked Blue Wire Flue Switch BLACK WIRE FIGURE 11 GAS V AL VE NYLON CLIP SENSING BULB 10-24X3/8 SCREW FIGURE 12 Page 14
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BBSK KIT LIGHTING INSTRUCTIONS FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance has a pilot which must be lighted by • If you cannot reach your gas supplier, call the fire hand. When lighting the pilot, follow these instruc- department. tions exactly. B. BEFORE LIGHTING smell all around the C. Use only your hand to push in or turn the gas con
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MODEL WFF81-C OPTIONAL FAN KIT INSTALLATION INSTRUCTIONS NOTE: This fan kit is to be installed after installation of wall furnace and with the wall furnace front panel in place. STEP 1. This appliance, when installed, must be electrically grounded in accordance with local codes, or in the absence of local codes, with the latest edition of the National Electric Code, ANSI/NFPA No. 70. In Canada, see the current Canadian Electrical Code CSA C22.1. STEP 2. Set fan kit on top of the wall furnace
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WFF81-C WIRING SCHEMATIC Ground L1 Black L2 White 115 VAC 115 VAC WHITE BLACK BLACK FAN SWITCH BLACK BLACK BLACK WHITE MOTOR GREEN GROUND WIRE L2 115 VAC 60 HZ - Less than 12 Amps. If any of the original wire as White supplied with this appliance must be replaced, it must be replaced with L1 type thermoplastic 105 degree C wire or its equivalent. Black Page 17
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40542-A REAR REGISTER KIT (Optional Accessory) INSTALLATION INSTRUCTIONS FOR GRAVITY VENTED WALL FURNACES STEP 1. Cut hole within stud space behind heater in the back wall 8-1/4” high by 12-5/8” wide. The lower edge of the hole to be 45-3/4” above the floor plate or 47” from the floor (with standard 2”x4” floor base) as shown in Figure 13. STEP 2. Install plaster ground frame for rear register in hole and nail frame to stud as shown in Figure 14. STEP 3. REAR REGISTER INSTALLATION: Cut and re
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40542-A REAR REGISTER KIT - Continued INSTALLATION INSTRUCTIONS FOR GRAVITY VENTED WALL FURNACES INNER PANEL Plaster Ground Frame Damper Open Position Closed Position Casing Finished Wall 2”x4” Upright Rear Register Grille FIGURE 15 FIGURE 17 Casing Finished Heater Opening Wall Casing Retainer Screw Holes Rear Register Grille Plaster Ground Frame FIGURE 16 Form #84504 Page 19 REV . 07/98
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TROUBLE SHOOTING CHART for qualified serviceman - MAIN BURNER SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION Flame too large 1. Defective operator section of gas valve. 1. Replace complete valve. 2. Burner orifice too large. 2. Check with local gas company for proper orifice size and replace. 3. If installed above 2,000 ft. 3. Refer to orifice chart, Page 3. Flame pops back 1. Too much primary air. 1. Adjust air shutter. (See Page 12). Noisy Flame 1. Too much primary air. 1. Ad
