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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 louvers, vent cap, heat exchanger, burners and
combustion air inducer for corrosion, deterioration or
deposits of debris. Remove any obstructions or blockage.
See figure 3.
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.
Servicing Filter
Units are equipped with eleven 16 X 25 X 2" (406 X 635 X
51mm) or 16 X 25 X 4" (406 X 635 X 102mm) filters. Filters
should be checked monthly and replaced when
necessary with filters of like kind and size. Take note of air
flow direction marking on filter frame when reinstalling
filters. See figure 4.
NOTE − Filters must be ULC approved or equivalent for
use in Canada.
HEAT EXCHANGER ASSEMBLY
HEAT
EXCHANGER
GAS VALVE
COMBUSTION
AIR INDUCER
PROVE
SWITCH
COLLECTOR
BOX
BURNER
ROLLOUT
SWITCH
FIGURE 3
VENT
CONNECTOR
Secures vent
to combustion
air inducer
