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DIRECT VENT
COUNTERFLOW
WALL FURNACE
INSTALLATION AND
OPERATING INSTRUCTIONS
P/N 72900 - REV. 12/03
MODEL NUMBERS
NAT. GAS DVCF407B-R DVCF557B-R
L.P. GAS DVCF408B-R DVCF558B-R
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.
MODEL NUMBERS
NAT. GAS DVCF403B-R DVCF653B-R
L.P. GAS DVCF404B-R DVCF654B-R
24 VOLT SYSTEM WITH LOW-BTU PILOT
24 VOLT SYSTEM W/INTERMITTENT IGNITION (IID)
INSTALLER MUST LEAVE THESE
INSTRUCTIONS WITH THE CONSUMER
HAVE THEM COMPLETE,AND RETURN
THE WARRANTY CARD.
The coating selected to provide longer life to
the heat exchanger may smoke slightly upon
initial firing. Please provide adequate
ventilation if this ocurs.
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
unsafe conditions.
- 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.
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