Table of Contents
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24 VOLT SYSTEM WITH LOW-BTU PILOT
MODEL NUMBERS
NAT. GAS
DVCF403B-R
L.P. GAS
DVCF404B-R
INSTALLER MUST LEAVE THESE
INSTRUCTIONS WITH THE CONSUMER
HAVE THEM COMPLETE,AND RETURN
THE WARRANTY CARD.
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.
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Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
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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.
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INSTALLATION AND SERVICE MUST BE PERFORMED
BY A QUALIFIED INSTALLER, SERVICE AGENCY OR
THE GAS SUPPLIER.
WARNING: Operation of this furnace without the properly installed, furnished vent system and vent cap
could result in Carbon Monoxide (CO) poisoning and possible death. For your safety, this furnace and the
vent system should be inspected at least annually by a qualified service person.
This unit is not approved for installation in greenhouses, or environments involving dusty, wet,
corrosive, or explosive conditions. Such conditions will invalidate the warranty and may create
INSTALLATION AND
OPERATING INSTRUCTIONS
P/N 72900 - REV. 12/03
DVCF653B-R
DVCF654B-R
unsafe conditions.
DIRECT VENT
COUNTERFLOW
WALL FURNACE
24 VOLT SYSTEM W/INTERMITTENT IGNITION (IID)
MODEL NUMBERS
NAT. GAS
DVCF407B-R
L.P. GAS
DVCF408B-R
The coating selected to provide longer life to
the heat exchanger may smoke slightly upon
initial firing. Please provide adequate
ventilation if this ocurs.
R
DVCF557B-R
DVCF558B-R
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Related Manuals for COZY DVCF404B-R
Summary of Contents for COZY DVCF404B-R
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Page 1: Direct Vent
WARNING: Operation of this furnace without the properly installed, furnished vent system and vent cap could result in Carbon Monoxide (CO) poisoning and possible death. For your safety, this furnace and the vent system should be inspected at least annually by a qualified service person. -
Page 2: Table Of Contents
After the furnace has been removed from the carton check the rating plate to verify that the model number is correct and that the wall furnace is equipped with the type gas you intend to use. -
Page 3: Safety Rules
3. Do not install this furnace in a recreational vehicle or trailer. 4. Do not operate this furnace unless it is connected to the supplied vent system with vent cap in place. Do not attempt to extend vent pipes. 12 inches is maximum length. -
Page 4: Clearances
Vent Terminal VENT TERMINAL CLEARANCES REFERENCE LETTER TO DRAWING A = Clearance above grade, veranda, porch, deck, or balcony B = Clearance to window or door that may be opened C = Clearance to permanently closed window D = Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 Feet (61 cm) from the center line of the terminal... -
Page 5: Clearances
CLEARANCES 1. The minimum clearance to a side wall is 4”. (See Fig. 1). NOTE: The unit may be recessed and rest directly against side studs and the inside surface of the rear wall. 2. The minimum clearance to the ceiling is 4”. (See Figure 1). 3. -
Page 6: Location
10” maximum. For proper combustion, make sure unit is level front to back and side-to-side. 4. Do not install the furnace in a closet, alcove or small hallway where the furnace could be isolated from the space to be heated by closing a door. -
Page 7: Operation
“X”. Remove any burrs. Fasten vent exhaust tube “B” to heat exchanger collar and Inlet Air Tube “A” to flange on back of furnace using 16 # 3/8 screws (“C”) provided. Be sure gaskets are in place and not damaged. Anytime the vent pipes are removed check and replace gaskets (if necessary). -
Page 8: Lighting Instructions
LIGHTING INSTRUCTIONS: DVCF403B, DVCF404B, DVCF653B, DVCF654B 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 hand. - Page 9 LIGHTING INSTRUCTIONS: DVCF407B, DVCF408B, DVCF557B, DVCF558B 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 is equipped with an ignition device which automatically lights the pilot.
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Page 10: Pilot Adjustment
1-1/ FIGURE 8 TO REMOVE MAIN BURNER FOR INSPECTION AND CLEANING 1. Turn thermostat to lowest setting and allow furnace to cool. 2. Turn off all electric power to furnace. 3. Remove lower grille. 4. Disconnect gas supply to valve. -
Page 11: Standing Pilot
DVCF403B, DVCF404B THERMOSTAT POWER CORD BROWN BLACK TRANSFORMER BLUE LIMIT SWITCH AUXILIARY DVCF403, DVCF404 LIMIT SWITCH PICTORIAL SCHEMATIC MODEL NO. GAS VALVE DVCF403 DVCF404 FAN SWITCH LIMIT SWITCH 115 V.A.C. TRANSFORMER 24 V.A.C. THERMOSTAT DVCF403 DVCF404 LADDER SCHEMATIC AUXILIARY LIMIT STANDING PILOT THERMOSTAT WHITE... - Page 12 DVCF407B, DVCF408B THERMOSTAT POWER CORD BROWN BLACK TRANSFORMER BLUE LIMIT SWITCH AUXILIARY PILOT LIMIT SWITCH BLACK SP715-NAT. SENSE MV/PV SP735-L.P. MODEL NO. DVCF407 DVCF408 FAN SWITCH LIMIT SWITCH 115 V.A.C. TRANSFORMER 24 V.A.C. THERMOSTAT AUXILIARY LIMIT SP715 - NAT. SP735 - L.P. I.I.D.
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Page 13: Terminal Block Wiring
DVCF557B, 558B, 653B, 654B For your safety this furnace is equipped with a manual reset limit switch. In case of failure by the primary limit switch, this switch will shut the valve down completely before unsafe temperatures are reached. After a cool down period, switch must be manually reset. - Page 14 OPTIONAL SIDE DISCHARGE KITS ROUGH-INS FOR SIDE DISCHARGE Install plaster grounds as shown in Figure 9. NOTE: When side discharge Kit No. 30SRB is being used, furnace should be set exactly 4” from side wall. FIGURE 9 KIT NO. 30SRB...
- Page 15 FOR NON-RECESSED INSTALLATIONS ONLY 90 Degree Outside Corner 3 FT. SECTION 3 FT. SECTION BOTTOM SECTION LENGTH OF BOTTOM SECTION (REF. 4) MODEL NO. PLASTIC RACEWAY DVCF40 5-5/16 Inches DVCF55 14 Inches DVCF65 14 Inches NOTE: Above lengths terminate approximately 2 inches above floor.
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Page 16: Trouble Shooting Chart
1. This is especially true when a dwelling or room is enlarged. Have the heat loss calculated and compare to furnace output. Your gas company can supply you with this information. If furnace is undersized, replace with correct size unit. -
Page 17: Service Record
TROUBLE SHOOTING CHART - Continued SYMPTOM POSSIBLE CAUSES Burner won’t turn on 1. Gas valve not turned on. 2. No voltage to valve. 3. Defective thermostat. 4. No 115 V. Line voltage. 5. Gas valve defective. 6. Manual reset switch not engaged. (STANDING PILOT) 1. - Page 18 DIRECT VENT COUNTERFLOW WALL FURNACE MODELS: DVCF403B-R, DVCF404B-R DVCF407B-R, DVCF408B-R DVCF557B-R, DVCF558B-R DVCF653B-R, DVCF654B-R SPARK IGNITER - I.I.D. BURNER ASSEMBLY DVCF40B-R, DVCF55B-R, DVCF65B-R SERIES 12 25b 52 38 21 20 THERMOSTAT 28 25 Mr. Contractor, we only sell parts through our wholesalers, but the prices listed are for your convenience.
- Page 19 For prompt parts service, contact the wholesaler from which you purchased your Cozy heater. NOTE: Parts & schematic drawings on current models are shown at www.cozyheaters.com. HOW TO PROPERLY ORDER PARTS NAT. DVCF403B-R DVCF407B-R L.P. DVCF404B-R DVCF408B-R REF. PART LIST PART PRICE 34065 $56.10...
- Page 20 For prompt parts service, contact the wholesaler from which you purchased your Cozy heater. NOTE: Parts & schematic drawings on current models are shown at www.cozyheaters.com. HOW TO PROPERLY ORDER PARTS NAT. DVCF403B-R DVCF407B-R L.P. DVCF404B-R DVCF408B-R REF. PART LIST PART PRICE 78213 $4.70...
- Page 21 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...
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Page 22: Limited Warranty
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 Service under this warranty is the responsibility of the installer. In the event service under this warranty is needed, the user of the product shall request such service directly from the installer.