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Service
The unit should be inspected once a year by a qualified
service technician.
CAUTION
Label all wires prior to disconnection when servic
ing controls. Wiring errors can cause improper and
dangerous operation. Verify proper operation after
servicing.
WARNING
The State of California has determined that this
product may contain or produce a chemical or
chemicals, in very low doses, which may cause se
rious illness or death. It may also cause cancer,
birth defects, or reproductive harm.
A-Filters
Units are equipped with temporary filters which must be
replaced prior to building occupation. See table 23 for
correct filter size. Refer to local codes or appropriate
jurisdiction for approved filters.
WARNING
Units are shipped from the factory with temporary
filters. Replace filters before building is occupied.
Damage to unit could result if filters are not re
placed with approved filters. Refer to appropriate
codes.
Approved filters should be checked monthly and
replaced when necessary. Take note of air flow direction
marking on filter frame when reinstalling filters. See
figure 26.
TABLE 23
UNIT FILTERS
Unit
KGA/KCA036, 048, 060
KGB/KCB024, 030, 036, 048
KGA/KCA072, 090
KGB/KCB060, 072, 074
NOTE-Filters must be U.L.C. certified or equivalent for
use in Canada.
B-Lubrication
All motors are lubricated at the factory. No further
lubrication is required.
Filter Size - in.
Qty
(mm)
16 X 20 X 2
4
(406 X 508 X 51)
20 X 20 X 2
4
(508 X 508 X 51)
Page 53
REMOVE FILTERS
FIGURE 26
C-Burners (Gas Units)
Periodically
examine
appearance during the heating season. Before each
heating season examine the burners for any deposits or
blockage which may have occurred.
Clean burners as follows:
1- Turn off both electrical power and gas supply to unit.
2- Remove blower access panel.
3- Remove top burner box panel.
4- Remove two screws securing burners to burner
support and lift the burners from the orifices. See
figure 27. Clean as necessary.
BURNER BOX ASSEMBLY
FLAME
SENSOR
BURNERS
GAS
MANIFOLD
IGNITOR
FIGURE 27
PULL TO
REMOVE
FILTERS
burner
flames
for
proper
GAS VALVE
507348-04
12/2015
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