Repair Parts List - Lennox ELITE Series Installation Instructions Manual

Troubleshooting: Continuous Fan Sequence of Operation
THERMOSTAT CALLS FOR COOLING.
SYSTEM FAN SWITCHED TO COOL SPEED.

Repair Parts List

The following repair parts are available through Lennox dealers. When ordering parts, include the complete furnace model
number listed on the CSA nameplate −− Example: EL195UH045P24B−01. All service must be performed by a licensed
professional installer (or equivalent), service agency, or gas supplier.
Cabinet Parts
Outer access panel
Blower access panel
Top Cap
Control Panel Parts
Transformer
Integrated control board
Door interlock switch
Blower Parts
Blower wheel
Motor
Motor mounting frame
Motor capacitor
Blower housing cutoff plate
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CONTINUOUS FAN SEQUENCE OF OPERATION
LED: SLOW FLASH RATE REMAINS
UNCHANGED THROUGHOUT SEQUENCE.
MANUAL FAN SELECTION MADE AT THERMOSTAT.
CONTROL (G) ENERGIZES SYSTEM FAN AT FAN
SPEED. EAC TERMINAL IS ENERGIZED.
THERMOSTAT CALLS FOR HEAT (W).
YES
EAC TERM. REMAINS ON.
THERMOSTAT OPENS.
MANUAL FAN SELECTION MADE AT THERMOSTAT.
CONTROL (G) ENERGIZES SYSTEM FAN AT FAN
SPEED. EAC TERM. ENERGIZED.
search engine
YES
NO
SYSTEM FAN CONTINUES FAN SPEED WITHOUT
INTERRUPTION. EAC TERMINAL REMAIN ON.
NO
HUM TERMINAL IS ENERGIZED WITH COMBUSTION
SYSTEM FAN SWITCHES TO HEAT SPEAD AFTER 30
SECOND DELAY. EAC AND HUM TERMINAL REMAIN ON.
Heating Parts
Flame Sensor
Heat exchanger assembly
Gas manifold
Combustion air inducer
Gas valve
Main burner cluster
Main burner orifices
Pressure switch
Ignitor
Primary limit control
Flame rollout switches
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AIR BLOWER.
THERMOSTAT OPENS.
HUM. TERMINAL OFF AFTER POST PURGE
BY COMBUSTION AIR BLOWER. SYTEM FAN
SWITCHES TO FAN SPEED AFTER BLOWER
OFF DELAY. EAC CONTINUES WITHOUT
INTERRUPTION.