Page 6
506372-01 12/2012
WARNING
Danger of explosion. Can cause injury or
death. Do not attempt to light manually.
Unit has a direct spark ignition system.
Burner Flame
WARNING
Danger of explosion and fire. Can cause
injury or product or property damage.
Periodically inspect burner flame to en
sure proper unit operation.
The primary air is permanently set for normal operation.
The flame will be basically blue with some clear yellow
streaking in the end of the flame. Inspect the burner flame
periodically during the heating season using the
inspection port provided on the burner access panel.
Flue Passage and Vent Inspection
Annually, before heating season, inspect the combustion
air intake louvers, vent cap, heat exchanger, burners and
combustion air inducer for corrosion, deterioration or
deposits of debris. Remove any obstructions or blockage.
See figure 4, 5, or 6.
HEAT EXCHANGER ASSEMBLY
036-072 UNITS
FI
RE 4
BURNER
COMBUSTION
AIR INDUCER
VENT
CONNECTOR
GAS VALVE
HEAT
EXCHANGER
TUBE
PRIMARY
LIMIT
ROLLOUT
SWITCH
FLUE BOX
COVER
HEAT EXCHANGER ASSEMBLY
092-150 UNITS
FIGURE 5
BURNER
COMBUSTION
AIR INDUCER
VENT
CONNECTOR
GAS VALVE
HEAT
EXCHANGER
TUBE
HEAT EXCHANGER ASSEMBLY
156-360 UNITS
FIGURE 6
BURNER
COMBUSTION
AIR INDUCER
VENT
CONNECTOR
GAS VALVE
HEAT
EXCHANGER
TUBE
Service
To maintain efficiency and longevity, your equipment
must be serviced yearly by a qualified service technician.
Failure to provide proof of service can void warranty.
CAUTION
Label all wires prior to disconnection when ser
vicing controls. Wiring errors can cause improper
and dangerous operation. Verify proper operation
after servicing.
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