- Cozy Fan Type Direct Vent Through The Wall Gas Heater Models WOW253 WOW254 WOW403 WOW404 Installation and Operating Instructions

ManualsBrandsLouisville Tin and Stove ManualsGas HeaterWOW253

- 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 PER-

FORMED BY A QUALIFIED INSTALLER,

SERVICE AGENCY OR THE GAS SUPPLIER.

WARNING: If the information in these instructions are

not followed exactly, a fire or explosion may result

causing property damage, personal injury or loss of life.

FAN-TYPE, DIRECT-VENT

THROUGH-THE-WALL

GAS HEATER

INSTALLATION AND

OPERATING INSTRUCTIONS

P/N 64920 / DECEMBER 2006

This appliance must be

connected to an electrical

ground.

WARNING:

CONNECT TO 115V ELECTRICAL

POWER SUPPLY.

DO NOT CONNECT TO 220V

POWER SUPPLY.

MODEL NUMBERS

NAT. GAS L.P. GAS

WOW253 WOW254

WOW403 WOW404

NOTE: Obstruction in the vent exhaust tube or air intake tube due to insects, small animals, debris,

etc. will prevent the heater from operating but DOES NOT constitute a warranty issue.

This unit is for residential installation only and is not approved for greenhouses, or environments

involving dusty, wet, corrosive, or explosive conditions. Installation and usage other than

residential applications will invalidate the warranty and may create unsafe conditions resulting in

property damage, personal injury or loss of life.

WARNING: Operation of this furnace without the factory installed vent system could result in Carbon Monox-

ide (CO) poisoning and possible death. For your safety, this furnace and the vent system must be inspected

before initial use and at least annually by a qualified service person.

This appliance may be installed in an aftermarket, permanently located, manufactured home (USA only) or

mobile home, where not prohibited by local codes. This appliance is only for use with the type of gas indicated

on the rating plate. This appliance is not convertible for use with other gases, unless a certified kit is used.

Installation, maintenance, service, troubleshooting and repairs must be performed by a qualified service agency.

MR./MRS. HOMEOWNER, DO NOT attempt any of these procedures yourself as this could expose you to

property damage, personal injury, or loss of life and will invalidate all warranties.

INSTALLER: Leave this manual with the

appliance.

CONSUMER: Retain this manual for future

reference.

Summary of content (29 pages)

PAGE 1
FAN-TYPE, DIRECT-VENT THROUGH-THE-WALL GAS HEATER INSTALLATION AND OPERATING INSTRUCTIONS R P/N 64920 / DECEMBER 2006 MODEL NUMBERS NAT. GAS L.P. GAS WOW253 WOW254 WOW403 WOW404 R INSTALLER: Leave this manual with the appliance. CONSUMER: Retain this manual for future reference. WARNING: If the information in these instructions are not followed exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
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The State of Massachusetts requires that installation and service of a gas appliance be performed by a plumber or gas fitter licensed in the Commonwealth of Massachusetts. For bedroom window installation, the State of Massachusetts requires two or more operable windows in the bedroom that are in compliance with 780CMR, Massachusetts Building Code. CONTENTS Gas Conversion......................................... 14 Wiring Diagram…………………………... 15 Sequence of Operation...............................
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SAFETY RULES The Direct Vent Gas Wall/Window Heater and its components meet all applicable safety standards when installed as directed in this manual. For safe installation and operation of your Direct Vent Gas Wall/Window Heater, read all these instructions before you begin. Failure to follow them exactly will void your warranty and may result in fire, property damage, personal injury, and loss of life. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26.
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INSTALLATION WARNING: Failure to follow these instructions exactly may result in poor performance, property damage, personal injury, or loss of life. Installation must be done by a qualified service person. STEP 1. PREPARING TO INSTALL HEATER a) Open carton and carefully remove heater and all additional parts. b) Make sure all components illustrated in Figure 1 have been shipped.
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Page 5 *18 Inches (46 cm) *12 Inches (30 cm) *12 Inches (30 cm) *24 Inches (60 cm) Clearance in accordance with local installation co requirements of the gas supplier. Clearance in accordance with local installation co requirements of the gas supplier.
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LOCATION - Continued 4. 5. 6. Allow 48” (122 cm) inches from outside rear of cabinet to any obstructions such as fences, walls, shrubs, trees, etc. (Consider outside appearance, pedestrian traffic walkways, plantings, etc.). Do not install heater where the exhaust or air intake will terminate in a window well or any opening below ground level. Special precautions may be required to prevent snow build-up within 12” (30 cm) of the air intake. Check required clearances for front panel (See Figure 3).
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STEP 3 - LOCATE THERMOSTAT 1. 2. 3. 4. 5. Thermostat must be installed in same room as heater. Locate thermostat on an inside wall approximately 5 feet {153 cm} above the floor and at least 6 feet {183 cm}from the heater. Do not locate thermostat so as to be effected by heat from sources other than the heater (i.e. direct sunlight, lamps, T.V. sets, radiators, registers, etc.). Do not locate thermostat in unusually cool locations (i.e.
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STEP 5 - INSTALLING THE HEATER Use only factory supplied parts. Do not modify heater in any way. WINDOW INSTALLATION A.) B.) C.) Raise window - locate center. Heater requires level mounting surface, framing may be necessary in window sill. Remove the 6 screws securing the back of outer cabinet to intake and exhaust tube flange and save (See Figure 5). E.) Center outer cabinet in window opening and slide in so bottom flange is flush against windowsill.
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WINDOW INSTALLATION - Cont’d. H.) Using 3 #8 x 3/8” screws (provided), attach trim panels to left and right flanges on outer cabinet. The 1/2”, 90 degree break on the trim panel must be attached securely to the window frame. (See Figure 8). K.) L.) M.) N.) FIGURE 8 I.) J.) From outside secure the two support brackets to the outside wall, anchors (not provided) may be required. Make sure brackets are flush against the outer cabinet bottom and under the left and right sides.
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INSTALLING THROUGH A FRAME WALL NOTE: The WOW25 models will install between wall studs on 16” centers. The WOW40 will attach to a stud on either the right or left side. The opposite stud must be cut out of the opening and 1-1/2” below the cutout. You must then install a 2”-by your wall thickness plate on top of the cut stud and secure to the remaining stud.
PAGE 11
INSTALLING THROUGH A MASONRY WALL A.) B.) C.) D.) E.) F.) G.) H.) I.) J.) K.) At desired height, mark hole opening for your model heater. (See Figure 11). Before cutting, verify both inside and outside clearances. Verify that no electrical wires, conduit, water or gas pipes pass through area you have marked. Cut out marked hole location. Make sure that cut out opening is level inside to outside.
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FOR YOUR SAFETY READ BEFORE OPERATING 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. B. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner. Do not try to light the burner by hand. • If you cannot reach your gas supplier, call the fire department. C. Use only your hand to push in or turn the gas control knob. Never use tools.
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PROPER BURNER FLAME Appliance input ratings are based on sea level operation and need not be changed for operation up to 2,000 (609.9m) elevation. For operation at elevations above 2,000 ft. (609.9m), manufactured to specified deration conditions for Canada and the United States, use the following orifice chart for/to determine the correct orifice DMS for a specific elevation.
PAGE 14
GAS CONVERSION CONVERTING GAS CONTROL This heater is field convertible. Use only factory supplied, certified kits. A.) Model Number WOW253 WOW254 Conversion Description Kit No. Convert Nat. to L.P. 20,000 49670 Convert L.P. to Nat. 20,000 49660 B.) WOW403 WOW404 Convert Nat. to L.P. 40,000 Convert L.P. to Nat. 40,000 49690 49680 CAUTION: Only qualified installers or service agency are authorized to make a gas conversion on this heater. C.) D.) “NAT” ON TOP FOR NATURAL GAS ORIFICE CONVERSION A.
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WIRING IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE MUST BE REPLACED, IT MUST BE REPLACED WITH A WIRE OF AT LEAST 105 DEGREE C TEMPERATURE RATING. CAUTION: LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION. VERIFY PROPER OPERATION AFTER SERVICING.
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! Thermostat calls for heat Inducer continues to run ! Pressure switch closes inducer proved ! ! YES ! NO Pressure switch closes proving inducer Spark ignition energized ! One Hour Lock Out ! Gas valve opens gas flow to burner ! Burner flame proved 15 Sec. inter purge Page 16 ! YES Blower on ! Heat cycle ! Thermostat satisfied ! Gas valve closes gas flow to burners off ! Draft inducer off 30 Sec. ! Blower off 180 Sec.
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MAINTENANCE INSTRUCTIONS ■ For correct and safe operation, keep heater and heater area clean. At regular intervals, turn control valve to OFF, let heater cool and clean inside control and heat exchanger compartments. ■ To clean outside cover, use a damp cloth, do not use any kind of solvent or cleaning fluid as they may leave a residue that could burn or give off odors when heater is turned on.
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TO REMOVE MAIN BURNERS FOR INSPECTION AND CLEANING: SERVICE MUST BE PERFORMED BY A QUALIFIED SERVICE AGENCY INSTRUCTIONS FOR WOW253 & WOW254 A.) B.) C.) D.) E.) F.) G.) H.) I.) J.) K.) L.) Turn thermostat to “OFF” or lowest setting. Allow heater to cool. Turn off electric power to the heater. Turn off the gas supply. Remove front panel. Disconnect ignition cable and pressure switch tubing from burner box bottom. Remove fourteen screws securing burner box bottom.
PAGE 19
TO REMOVE MAIN BURNERS FOR INSPECTION AND CLEANING: SERVICE MUST BE PERFORMED BY A QUALIFIED SERVICE AGENCY INSTRUCTIONS FOR WOW403 & WOW404 A.) B.) C.) D.) E.) F.) G.) H.) I.) J.) K.) L.) Turn thermostat to “OFF” or lowest setting. Turn off electric power to heater. Allow heater to cool. Turn off gas supply. Disconnect gas supply line at heater. Remove front panel. From outside, remove six (6) screws securing back of outer cabinet to air intake and exhaust flanges. (See Figure 5).
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TO REMOVE COMBUSTION TUBE ASSEMBLY FOR INSPECTION, CLEANING AND REPLACEMENT SERVICE MUST BE PERFORMED BY A QUALIFIED SERVICE AGENCY. A.) B.) C.) D.) E.) F.) G.) H.) I.) J.) K.) L.) M.) N.) For WOW253 / WOW254 Turn thermostat to “OFF” or lowest setting. Allow heater to cool. PRESSURE IGNITOR SWITCH Turn off electric power to heater.. CABLE TUBING Turn gas supply valve to “OFF”. Disconnect gas supply line from gas valve.
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TO REMOVE COMBUSTION TUBE ASSEMBLY FOR INSPECTION, CLEANING AND REPLACEMENT SERVICE MUST BE PERFORMED BY A QUALIFIED SERVICE AGENCY. A.) B.) C.) D.) E.) F.) G.) H.) I.) J.) K.) L.) M.) N.) For WOW403 / WOW404 Turn thermostat to “OFF” or lowest setting. Allow heater to cool. PRESSURE IGNITOR Turn off electric power to heater. SWITCH CABLE Remove front panel. TUBING Turn gas supply valve to “OFF”. Disconnect gas supply line from gas valve.
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TROUBLE SHOOTING CHART To assist in diagnosing and servicing, this heater is equipped with a self-diagnosing control module. Should a malfunction occur, the green indicator light on the control module will flash a varying number of times indicating the circuit in which malfunction is located.
PAGE 23
TROUBLE SHOOTING CHART SYMPTOM POSSIBLE CAUSES Flame too large 1. Defective operator section of valve. 2. Burner orifices too large. Yellow burner flame Gas odor Delayed Ignition Failure to ignite Burner won’t turn off CORRECTIVE ACTION 3. If installed above 2,000 ft. 1. Clogged burner ports. 2. Obstruction around air intake or. exhaust tubes. 1. Gas leak. 1. Low gas pressure. 2. Ignitor not properly located. 1. Main gas off. 2. Thermostat not set high enough to call for heat. 3.
PAGE 24
MODEL NUMBERS NAT. GAS L.P. GAS WOW253 WOW254 FAN-TYPE, DIRECT-VENT THROUGH-THE-WALL GAS HEATER Prices and specifications subject to change without notice. All prices are F.O.B. factory. WOW253/ WOW254 Mr. Contractor, we only sell parts through our wholesalers, but the prices listed are for your convenience. For prompt parts service, contact the wholesaler from which you purchased your Cozy heater. NOTE: Parts prices & schematic drawings on current models are shown at www.cozyheaters.com.
PAGE 25
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 located inside the cabinet cover. MODEL NUMBER MODEL NUMBER NAT. L.P. PART DESCRIPTION Manifold Manifold Gasket Gas Valve, Natural Gas Gas Valve, L.P. Gas Burner Orifice, Natural Gas Burner Orifice, L.P.
PAGE 26
FAN-TYPE, DIRECT-VENT THROUGHTHE-WALL GAS HEATER MODEL NUMBERS NAT. GAS L.P. GAS WOW403 Prices and specifications subject to change without notice. All prices are F.O.B. factory. WOW404 42 44 43 39 37 35 36 41 40 38 23 6 2 1 7 11 33 31 29 32 31 30 25 24 34 32 11 5 17 8 4 9 10 13 14 15 30 26 28 27 22 21 12 3 16 20 19 18 12 WOW403/ WOW404 Mr. Contractor, we only sell parts through our wholesalers, but the prices listed are for your convenience.
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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 located inside the cabinet cover. MODEL NUMBER NAT. WOW403 MODEL NUMBER L.P. WOW404 PART DESCRIPTION Manifold Manifold Gasket Gas Valve, Natural Gas Gas Valve, L.P. Gas Burner Orifice, Natural Gas Burner Orifice, L.P.
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REPLACEMENT WIRING FOR WOW253, WOW254, WOW403, AND WOW404 MODEL NUMBER MODEL NUMBER NAT. L.P. REF. NO.
PAGE 29
LIMITED WARRANTY The Louisville Tin & Stove Co. warrants to the original user the accompanying product for the period specified herein, provided said product is installed, operated, maintained, serviced, and used according to the instructions and specifications accompanying the product. AS OUTLINED IN OUR INSTRUCTIONS, ANY WARRANTY CONSIDERATIONS ARE CONTINGENT ON INSTALLATION BY A QUALIFIED INSTALLER (CONTRACTOR). SELFINSTALLATION IS PROHIBITED AND WILL INVALIDATE YOUR WARRANTY.