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NATURAL
W251F,
GAS
W255F,
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 other flammable vapors and
liquids in the vicinity of this or any other appliance.
-
WHAT TO DO IF YOU SMELL GAS:
Do not try to light any appliance.
Do not touch any electrical switch; do not use any phone in
your building.
Immediately call your gas supplier from a neighbor's phone.
Follow the gas supplier's instructions.
If you cannot reach your gas supplier, call the fire department.
-
INSTALLATION AND SERVICE MUST BE
PERFORMED BY A QUALIFIED INSTALLER,
SERVICE AGENCY OR THE GAS SUPPLIER.
WARNING: Operation of this furnace when not connected to a properly installed and maintained venting
system can result in Carbon Monoxide (C.O.) poisoning and possible death. For your safety, this furnace and
the venting system should be inspected at least annually by a qualified service person.
This appliance is equipped with a blocked flue switch designed to protect against a blocked flue condition.
The coating selected to provide longer life to the heat exchanger may smoke slightly upon initial firing. Please
provide adequate ventilation if this occurs.
This heater may be installed without recessing into stud space by using optional FSK (Free Standing Kit).
This unit is not approved for installation in mobile homes, greenhouses, or environments involving dusty, wet,
corrosive, or explosive conditions. Such conditions will invalidate the warranty and may create unsafe conditions.
THIS UNIT IS NOT TO BE INSTALLED IN MOBILE HOMES.
INSTALLATION AND
OPERATING INSTRUCTIONS
P/N 84502
W351F,
W501F
W355F,
W505F
/
REV. 11/04
L.P.
W252F,
GAS
W256F,
W352F,
W502F
W356F,
W506F
R
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Summary of Contents for COZY W251F
- Page 1 WARNING: Operation of this furnace when not connected to a properly installed and maintained venting system can result in Carbon Monoxide (C.O.) poisoning and possible death. For your safety, this furnace and the venting system should be inspected at least annually by a qualified service person.
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Page 2: Specifications
Your vented wall furnace comes packed in a single carton. (For wall thermostat models that includes the thermostat, thermostat wire, and insulated staples). Before installing the wall furnace check the rating plate to verify that the Model Number is correct and that the wall furnace is equipped for the type gas you intend to use. -
Page 3: Safety Rules
SAFETY RULES The wall furnace should be located near the center of the house for best heat distribution. Due to high temperatures, the appliance should be located out of traffic and away from furniture and draperies. Children and adults should be alerted to the hazards of high surface temperature and should stay away to avoid burns or clothing ignition. -
Page 4: Combustion And Ventilation Air
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. - Page 5 “B” vent base plate and terminate with a cap at a point at CEILING least 12 foot above the bottom of the wall furnace, two feet PLATE above any obstacle within a 10 foot radius, and at least 3 foot above the roof.
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Page 6: Rough-In Instructions
Sheet metal screw base plate to header Use manufacturer’s method of fastening pipe to base plate Header plate of vented wall furnace (also acts as firestop) FIGURE C STEP 2. Cut out an opening between the studs of 14-3/8” x 66-1/2” above the floor plate. -
Page 7: Vent Installation
ROUGH-IN INSTRUCTIONS FIGURE 1 ROUGH-IN DIMENSIONS 14-1/4” Min. 14-1/2” Max. 4” 4” NOTE: For proper combustion, make sure units are level, front to back and side to side. Dry-Wall B-W Type Vent Screw Plaster Ground FIGURE 5A - DRY WALL Plaster B-W Type Vent Screw... -
Page 8: Installation
STEP 6. B-W VENT STEP 7. STEP 8. STEP 9. STEP 10. To fasten front panel to furnace, be sure exposed Page 8 INSTALLATION 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. - Page 9 Never connect to a 24 volt transformer or to the household electrical system. Do not use more thermostat wire than is included with the wall furnace. Do not run thermostat wire in same stud space with vent. Conceal wire inside wall or secure to wall with insulated staples that are included .
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Page 10: To Turn Off Gas To Appliance
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. This appliance has a pilot which must be lighted by hand. -
Page 11: For Your Safety Read Before Lighting
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. This appliance has a pilot which must be lighted by hand. -
Page 12: Pilot Flame Adjustment
PILOT ADJUSTMENT Locate the pilot adjustment screw on the valve. The pilot flame should surround at least the top 3/8” of the powerpile (pilot generator) or thermocouple (see below). The pilot is unregulated so it will be operating at inlet line pressure (Max. 7”... -
Page 13: Installation Instructions
MODEL 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. - Page 14 WFF81-C WIRING SCHEMATIC BLACK WHITE MOTOR 115 VAC 60 HZ - Less than 12 Amps. If any of the original wire as supplied with this appliance must be replaced, it must be replaced with White type thermoplastic 105 degree C wire or its equivalent. Ground L2 White 115 VAC...
- Page 15 TROUBLE SHOOTING CHART for qualified serviceman - MAIN BURNER SYMPTOM POSSIBLE CAUSES Flame too large 1. Defective operator section of gas valve. 2. Burner orifice too large. 3. If installed above 2,000 ft. Flame pops back 1. Too much primary air. Noisy Flame 1.
- Page 16 C. Use listed BW type vent pipe. Do not use tansite or any other type of ceramic pipe for venting. Do not use single wall pipe. When venting into a masonry chimney the chimney must be properly lined and sized for this gas furnace. The use of type B or flexible chimney liner is recommended.
- Page 17 SINGLE WALL FURNACE Model Numbers Nat. L.P. W251F W252F W351F W352F W255F W256F W355F W356F BURNER ASSEMBLY / SINGLE WALL FURNACE REAR REGISTER KIT - Used on Single Wall models only Prices and specifications subject to change without notice. All prices are F.O.B.
- Page 18 $30.80 74592 $19.00 74518 $1.20 70096 $11.30 84502 91263 91253 PART LIST MODEL PRICE NUMBER 84087 $134.40 W251F 84088 $143.90 W252F 84085 $129.20 W255F 84086 $137.60 W256F 84087 $134.40 W351F 84088 $143.90 W352F 84085 $129.20 W355F 84086 $137.60 W356F 84087 $134.40 W501F...
- Page 19 IMPORTANT SAFETY BULLETIN ON YOUR GAS CONTROL AND PILOT LIGHT 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 SYSTEM Your gas control and pilot light system has a safety...
- Page 20 Cozy Gas Fired Counterflow Direct Vent Furnace Cozy Gas Fired Mobile Home Direct Vent Furnace Cozy Gas Fired Hi-Efficient Direct Vent Wall Furnace LOUISVILLE TIN AND STOVE COMPANY P.O. BOX 2767 directly from the installer. If the user is unable to locate...
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