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507388-03
Issue 2110
Maintenance
ELECTRICAL SHOCK, FIRE OR EXPLOSION
HAZARD
Failure to follow safety warnings exactly could result in
dangerous operation, Serious injury, death or property
damage.
Improper servicing could result in dangerous operation,
Serious injury, death or property damage
• Before servicing, disconnect all electrical power to
furnace
• When servicing controls, label all wires prior to
disconnecting reconnect wires correctly.
•
Any disassembly of components containing flue
or vent gases shall be done by a qualified service
agency.
• Verify proper operation after servicing.
WARNING
Refer to Figure 8 for heating compartment component
layout.
It is recommended that the furnace be inspected annually
by a qualified service person.
Burner & Manifold Assembly
To remove the burner & manifold assembly:
1.
Disconnect electrical service and turn off gas to the
appliance.
2. Loosen the pipe union external to the unit and remove
the gas line to the gas valve.
3. Disconnect the orange high voltage spark wire at the
ignition control board.
4.
Disconnect the white flame sensor wire at the flame
sensor on top of the burner assembly.
5. Disconnect the orange and yellow wires at the rollout
switch.
Figure 9. Burner & Manifold Assembly Removal
Step 7
Mounting Brackets
Step 8
Step 9
Step 10
Burner & Manifold
Assembly