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INSTALLATION AND
OPERATING INSTRUCTIONS
P/N 84502 / REV. 11/04
R
R
NATURAL W251F, W351F, W501F L.P. W252F, W352F, W502F
GAS W255F, W355F, W505F GAS W256F, W356F, W506F
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result causing
property d
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CONTENTS Introduction................................................ 2 Rear Register Kit Instructions.................................... 9 Specifications.............................................. 2 Lighting Instructions................................................... 10/11 Safety Rules................................................. 3 Pilot Adjustment........................................................... 12 Clearances.................................................... 3 Burner F
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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. If the house for best heat distribution. integral snap-bulb type thermostat is used, make sure B) Due to high temperatures, the appliance should be that sensing bulb is located on the bottom of gas valve located out of traffic and away from furniture and with clips provided. DO NOT KINK the connecting draperies. tubing. Do not bend the capillary bulb
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COMBUSTION AND VENTILATION AIR ALL COMBUSTION AIR FROM ADJACENT INDOOR SPACES When installed, this gas appliance must be provided with fresh air for combustion, THROUGH INDOOR COMBUSTION ventilation, and dilution of hot flue gases. The minimum required volume of the AIR OPENINGS area where the appliance is installed should be 50 cubic feet per 1,000 btu/hr. UL Listed Vent Cap If installed in an area of the home that is considered an unconfined space, the UL Listed Gas Vent natural infiltration
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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 (W501, W502, W505, W506) installation property damage, personal injury or possible death. is 5-3/8”. STEP 1. Attach the base plate (purchased Height above any More than 10’ with the vent pipe) to the header plate roof surface 10’ within 10’ FIGURE A using two No. 8 sheet-metal screws horizontally through the pre-punched holes. T
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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 servicing Manual Reset controls. Wiring errors can cause improper and Blocked Flue Switch dangerous operation. Verify proper operation after servicing. Thermo- WIRING INSTRUCTIONS – couple GRAVITY WALL FURNACE WARNING: Failure to locate the thermostat properly or to wire the furnace correctly may result in continuous operation, Gas control damage or failure to operate. This can cause property BULB MODELS Valve damage, personal injury, or
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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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LIGHTING INSTRUCTIONS MODEL: W251F, W252F / W351F, W352F / W501F, W502F 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. • If you cannot reach your gas supplier, call the fire A. This appliance has a pilot which must be lighted by department. hand. When lighting the pilot, follow these instruc- tions exactly. C. Use only your hand to push in or turn the gas c
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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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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 14
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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
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TROUBLE SHOOTING CHART - AUTOMATIC PILOT & VALVE SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION Burner won’t 1. Pilot flame too large or too small. 1. Re-adjust pilot flame using adjustment on turn on combination control valve. 2. Dirt in pilot orifice. 2. Clean pilot orifice with air or solvent, do not ream. 3. Defective automatic pilot section in 3. Replace entire combination control valve. combination control valve. 4. Defective thermocouple. 4. Replace thermocouple. 5.
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Prices and specifications subject GRAVITY WALL FURNACE to change without notice. All LIST PRICES - - JUNE 2004 prices are F.O.B. factory. SINGLE WALL FURNACE DUAL WALL FURNACE Model Numbers 1 Model Numbers 12 12 Nat. L.P. Nat. L.P. W251F W252F W501F W502F 7 W351F W352F W505F W506F W255F W256F 10 7 W355F W356F 10 9 1 7A 47 1 46 11 47 4 46 9 9 2 4 8 8 11 3 8 11 32 2 38 13 49 29 29 29A 28 20 21 43 17 44 16 15 35 38 48 19 44 36 14 35 32 18 30 WFF81-C FAN KIT Used on 34 36 34 31 Single and Dual Wal
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HOW TO PROPERLY ORDER PARTS: In addition to part description and part number, please give model number, serial number, and type of gas used. This information can be found on the rating plate that is attached to heater. FRONT PANEL, DOOR & BODY ASSEMBLY WFF81-C FAN KIT FOR MODELS W25F W35F W50F (Fits all Models) REF. PART LIST PART LIST PART LIST REF. PART LIST PART DESCRIPTION NO. NO. PRICE NO. PRICE NO. PRICE PART DESCRIPTION NO. NO. PRICE Front Panel Assembly 1 40025 $
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IMPORTANT SAFETY BULLETIN ON YOUR GAS CONTROL AND PILOT LIGHT SYSTEM FOR HEATING EQUIPMENT WHAT YOU DON’T KNOW CAN HURT YOU. Your pilot light system has been designed for safe and reliable operation. Although safety mechanisms are built-in, the potential for hazard exists. This information is intended to help you avoid these hazards. YOUR GAS CONTROL AND PILOT LIGHT WHAT TO DO IF YOU SMELL GAS . . . SYSTEM • • • Do not try to light any appliance. • • Your gas control and pilot light system ha
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The Louisville Tin & Stove Co. warrants to the directly from the installer. If the user is unable to locate the installer, the user should write directly to the original user the accompanying product for the period manufacturer, and the name of an alternative service source specified herein, provided said product is installed, will be supplied. operated, maintained, serviced, and used according to the instructions and specifications accompanying the The product safety regis
