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OWNER'S MANUAL
INSTALLATION INSTRUCTIONS
DIRECT VENT GRAVITY
WALL FURNACE
MODEL NUMBERS (natural gas)
CDV142E / CDV222E / CDV302E
MODEL NUMBERS (propane gas)
CDV141E / CDV221E / CDV301E
DISCONTINUED MODEL NUMBERS:
CDV155D / CDV156D / CDV255D
CDV256D / CDV305D / CDV306D
SAVE THIS MANUAL FOR FUTURE REFERENCE.
READ THIS OWNER'S MANUAL CAREFULLY BEFORE YOU
INSTALL YOUR NEW COZY WALL FURNACE.
WARNING:This Direct-Vent furnace is approved for aftermarket
manufactured home installations (once the manufactured home is
sold, installed and stationary) unless prohibited by local codes.
Not for manufactured home manufacturer (factory) installation. Do
not install any of these furnaces (natural or propane gas)in trailers
or recreational vehicles.
WARNING: This product can expose you to chemicals
including epichlorohydrin which is known to the State of California
to cause cancer and birth defects and/or other reproductive harm.
For information go to www.p65warnings.ca.gov
WARNING: Improper installation, adjustment, alteration,
service or maintenance can cause injury or property damage.
Refer to this manual. For assistance or for additional information
consult a qualified installer or, service agency.
250 West Laurel Street, Colton CA 92324 • www.cozyheaters.com • 1-888-444-1212
VISITE NUESTRA PÁGINA WEB PARA LA VERSIÓN EN ESPAÑOL DE ESTE MANUAL
https://www.cozyheaters.com/products
14,000 BTU/hr.
WARNING: If the information in these instructions 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:
• Open all windows.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone or
cell phone in your building.
• Extinguish any open flame.
• Immediately call your gas supplier from a neighbor's phone.
Follow the gas supplier's instructions.
• If you cannot reach the gas supplier, call the fire department.
– Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
22,000 & 30,000 BTU/hr.
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Table of Contents
Related Manuals for COZY CDV142E
Summary of Contents for COZY CDV142E
- Page 1 VISITE NUESTRA PÁGINA WEB PARA LA VERSIÓN EN ESPAÑOL DE ESTE MANUAL INSTALLATION INSTRUCTIONS https://www.cozyheaters.com/products DIRECT VENT GRAVITY WALL FURNACE MODEL NUMBERS (natural gas) CDV142E / CDV222E / CDV302E MODEL NUMBERS (propane gas) CDV141E / CDV221E / CDV301E DISCONTINUED MODEL NUMBERS: CDV155D / CDV156D / CDV255D CDV256D / CDV305D / CDV306D 14,000 BTU/hr.
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Page 2: Your Cozy Warranty
WARRANTY The manufacturer, Williams Furnace Co., warrants this wall furnace or heater to the original purchaser under the following conditions: Some states do not allow limitation on how long an implied ANY WARRANTY CONSIDERATIONS ARE warranty lasts, and some states do not allow the exclusion or limitation of incidental or consequential damages, so the above CONTINGENT ON INSTALLATION BY A limitations or exclusions may not apply to you. -
Page 3: Table Of Contents
CONTENTS YOUR COZY WARRANTY INSTALLATION RECORD TABLE OF CONTENTS SAFETY RULES INTRODUCTION BASIC MATERIALS NEEDED BASIC TOOLS NEEDED OPTIONAL ACCESSORIES INSTALLING YOUR WALL FURNACE LOCATING YOUR WALL FURNACE THERMOSTAT INSTALLATION THERMOSTAT MOUNTING CABINET INSTALLATION GAS SUPPLY AND PIPING ORIFICE SIZES... -
Page 4: Safety Rules
SAFETY RULES 10. NEVER vent flue gases into another room, a fireplace WARNING: READ THESE RULES AND THE or any space inside a building. This could cause property INSTRUCTIONS CAREFULLY. FAILURE TO FOLLOW damage, bodily injury or death. THESE RULES AND INSTRUCTIONS COULD CAUSE A 11. -
Page 5: Introduction
INTRODUCTION Please read our instructions before you install and use your Always consult your local heating or plumbing inspector, building furnace. This will help you obtain the full value from this furnace. It department or gas utility company regarding regulations, codes or will also help you avoid any needless service costs if the problem ordinances which apply to the installation of a direct-vent furnace. -
Page 6: Basic Materials Needed
INTRODUCTION Materials Needed Optional Accessories Pipe joint compound resistant to propane gases. Vent Extensions: For walls greater than 9 inches thick and up to 24 inches thick, use one of the following Vent Extension Kits: Caulking compound-silicone rubber with a temperature rating of 500°F. -
Page 7: Installing Your Wall Furnace
INSTALLING YOUR FURNACE Locating Your Wall Furnace COLD SPOTS Consider the following points before attempting to install the HOT SPOTS furnace. Concealed pipes/ducts Concealed pipes/ducts Stairwells (drafts) ALL MODELS Fireplaces Doors (drafts) Registers This is a direct-vent wall furnace. It must be installed Unheated rooms on other side of TV sets on an outside wall for proper venting of flue gases. - Page 8 INSTALLING YOUR FURNACE To avoid electrical shock, turn off all electrical circuits that pass FIGURE 3 through the wall where you are going to install the furnace. This furnace must be installed using only the vent tube, air inlet tube and vent cap assembly supplied by the manufacturer.
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Page 9: Thermostat Installation
WALL MOUNTING through the wall until even with thermostat location. 1. Use Cozy’s thermostat 74592 or any millivolt thermostat. 7. Snag the thermostat wire through the wall so that 6 2. If an existing thermostat is being replaced and is in a inches of wire protrudes. -
Page 10: Thermostat Mounting
FIGURE 9 CABINET MOUNTING 1. Locate the knockout on the right side of the furnace to mount the thermostat. Remove the knockout by tapping it lightly with a screwdriver. 2. Cut the thermostat wire to the required length below. Model Number Length CDV14 Series 31 inches... -
Page 11: Gas Supply And Piping
Gas Supply and Piping FIGURE 10 The gas control valve is shipped with a sealed cover over the gas inlet tapping. Do not remove seal until you are ready to connect piping. WARNING: Danger of property damage, bodily injury or death. -
Page 12: Gas Piping
INSTALLING YOUR FURNACE FIGURE 12 GAS CONVERSION KITS DESCRIPTION MODELS NATURAL GAS TO PROPANE GAS FOR CDV14 SERIES 8939 NATURAL GAS TO PROPANE GAS FOR CDV22 SERIES 8940 NATURAL GAS TO PROPANE GAS FOR CDV30 SERIES 8941 PROPANE GAS TO NATURAL GAS FOR CDB14 SERIES 8942 PROPANE GAS TO NATURAL GAS FOR CDB22 SERIES 8943... -
Page 13: Installations In The State Of Massachusetts
CHECKING THE GAS PIPING Test all piping for leaks. When checking gas piping to the furnace with gas pressure at less than 1/2 PSI, shut off manual gas valve to the furnace. If the gas piping is to be checked with the pressure at or above 1/2 PSI, the furnace and manual shutoff FIGURE 14 valve must be disconnected during testing. -
Page 14: Operating Your Furnace
OPERATING YOUR FURNACE The furnace operates in the furnace is equipped with a 100% safety pilot, which will shut off the gas valve in case the pilot is not burning or functioning properly. following sequence: Make sure the pilot is adjusted properly and that the generator connection at the control valve is tight. -
Page 15: Operating Instructions
Operating Instructions 1. STOP! Read the safety information above. 2. Set the thermostat to lowest setting. 3. If applicable, tum off all electric power to the appliance. 4. Open the control access panel. 5. Push in the gas control knob slightly and turn it clockwise to “OFF”. -
Page 16: Start-Up Procedure
OPERATING YOUR FURNACE Start-Up Procedure To measure the input using the gas meter, proceed as follows: 1. Turn off the gas supply to all other appliances except Start the furnace using the procedures in the section “Operating Your the furnace. Furnace”. -
Page 17: How To Care For Your Furnace
CARING FOR YOUR FURNACE FIGURE 16 CLEANING BURNER COMPARTMENT FIGURE 16 Because cold air is attracted to the flame during furnace NEARLY INVISIBLE operation, a build up of lint from carpeting, bedding, dust, etc. PALE BLUE in the burner area will occur. It is necessary to clean this area LIGHT BLUE BLUE regularly. -
Page 18: Blower Accessories 2302 & 2303
CARING FOR YOUR FURNACE FIGURE 17 WARNING: Danger of bodily injury or death. If equipped with accessory blower, turn off the electric power supply at the disconnect switch, fuse box or service panel before removing any access doors or service panels from unit. BLOWER ACCESSORY 2302 &... - Page 19 electrician do this job. Refer to your furnace owner’s 2. Install 115V line in accordance with local codes, manual for additional information. Be sure this connecting as shown on the wiring diagram below. accessory is of the type and design required for use with 3.
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Page 20: Furnace Assembly Replacement Parts Cdv14 Models
FURNACE ASSEMBLY EXPLODED VIEW & REPLACEMENT PARTS CDV14 MODELS MODEL NUMBERS REF. REPLACEMENT PART DESCRIPTION NATURAL CDV142E PROPANE CDV141E Face Panel 4310 4310 Combustion Chamber Shield 8A72 8A72 Combustion Chamber 6303 6303 Flue Tube Gasket (2 Req.) P147001/2 P147001/2 Inner Casing... -
Page 21: Control Assembly Replacement Parts Cdv14 Models
CONTROL ASSEMBLY EXPLODED VIEW & REPLACEMENT PARTS CDV14 MODELS MODEL NUMBERS NATURAL PROPANE CDV142E CDV141E REF. REPLACEMENT PART DESCRIPTION CDV142E CDV141E Burner P168400 P168400 Control Door with P500677 Gasket 8A103 8A103 Gas Valve P295200A P295201A Manifold with P147200 Gasket P323659... -
Page 22: Blower Accessory 2303 For Cdv14 Models Replacement Parts
BLOWER ACCESSORY 2303 FOR CDV14 MODELS REPLACEMENT PARTS KIT NUMBER REF. REPLACEMENT PART DESCRIPTION 2303 Back Plate 8A128 Wire P101000 Fan Blower Assembly 8B94 Blower Casing Assembly 8B93 Louver Assembly 8B90 Heat Sensor Switch P323095 Strain Relief P500158 Fan Switch P323080 Plug and Cord P323335... - Page 23 2303 EXPLODED VIEW DIRECT VENT GRAVITY GAS WALL HEATER...
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Page 24: Furnace Assembly Replacement Parts Cdv22 / Cdv30 Models
FURNACE ASSEMBLY EXPLODED VIEW & REPLACEMENT PARTS CDV22 / CDV30 MODELS MODEL NUMBERS REF. NATURAL PROPANE NATURAL PROPANE REPLACEMENT PART DESCRIPTION CDV222E CDV221E CDV302E CDV301E Face Panel 4320 4320 4320 4320 Combustion Chamber Shield 6B149 6B149 6B149 6B149 Flue Tube Gasket (2 Req.) P147001 P147001 P147001... -
Page 25: Control Assembly Replacement Parts Cdv22 / Cdv30 Models
CONTROL ASSEMBLY EXPLODED VIEW & REPLACEMENT PARTS CDV22 / CDV30 MODLES MODEL NUMBERS NATURAL PROPANE CDV222E CDV302E CDV221E CDV301E REF. REPLACEMENT PARTS DESCRIPTION CDV222E CDV221E CDV302E CDV301E Burner P168404 P168404 P168404 P168404 Control Door with P500677 Gasket 8A135 8A135 8A135 8A135 Gas Valve P295200A... -
Page 26: Blower Accessory 2302 For Cdv22 / Cdv30 Models Replacement Parts
BLOWER ACCESSORY 2302 FOR CDV22 / CDV30 MODELS REPLACEMENT PARTS KIT NUMBER REF. REPLACEMENT PART DESCRIPTION 2302 Switch Box Bracket 6A24 Switch Box 6B33 Fan Switch (Pull Chain) P321017 Automatic Fan Switch P332490 Switch Box Cover 6A23 Motor Replacement Kit (Motor & Bracket) 6A94 Motor Support Bracket M118702... - Page 27 2302 EXPLODED VIEW DIRECT VENT GRAVITY GAS WALL HEATER...
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Page 28: Troubleshooting Your Furnace
TROUBLESHOOTING YOUR FURNACE For qualified service technicians. CORRECTIVE ACTION ISSUE POSSIBLE CAUSE(S) Check the pilot flame. It must impinge on the generator. Be sure the Pilot will not stay lit after Generator producing generator is fully inserted in the bracket. Make sure the pilot lighting carefully following lighting insufficient millivolts. - Page 29 CORRECTIVE ACTION ISSUE POSSIBLE CAUSE(S) Check the thermostat calibration or replace. Defective thermostat. Replace the valve. Dirt under the valve seat or valve stuck open. Pilot outage problem. Pilot flame may be low or Adjust pilot flame. Check vent tube and air inlet tube. Be sure blowing (High), causing the pilot lighting door is closed.
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Page 30: Hints And Information
MODEL NUMBER MFG. DATE CODE PART NUMBER PART DESCRIPTION All parts listed herein may be ordered from your equipment supplier. The Model Number of your Cozy wall furnace will be found on the nameplate near gas valve, inside control compartment. -
Page 31: Service Record
SERVICE RECORD DATE MAINTENANCE PERFORMED COMPONENTS REQUIRED DIRECT VENT GRAVITY GAS WALL HEATER... - Page 32 www.cozyheaters.com | 888-444-1212 | 250 West Laurel Street, Colton CA 92324 USA Subject to change without notice | © 2022 P323977_A 07/22...