Service - Lennox KGC092 Installation Instructions Manual

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.
A-Filters
Units are equipped with four 20 X 25 X 2" 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 25.
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.
REMOVE FILTERS
FIGURE 25
C-Burners (Gas Units)
Periodically
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 burner compartment access panel.
3- Remove screws securing burners to burner support
4- Locate the ignitor under the left burners. Check
PULL TO
REMOVE
FILTERS
Page 32
examine burner
and lift the individual burners or the entire burner
assembly from the orifices. See figure 26. Clean as
necessary.
ignitor spark gap with appropriately sized twist drills
or feeler gauges. See figure 27.
BURNER BOX ASSEMBLY
GAS
VALVE
BURNERS
GAS
MANIFOLD
FIGURE 26
IGNITOR
SPARK GAP
SHOULD BE 1/8"
(3mm)
FIGURE 27
flames for proper