Fan Disassembly (Mwca009S4 And Mwca012S4) - Lennox MCA Series Service Manual

Step 1. Remove the connector for the compressor.
Step 2. Pull out the two blue wires connected to the
expansion value (not applicable to AC units only)
Step 3. Pull out connectors for the condenser coil
temperature sensor (T3), outdoor ambient
temperature sensor (T4) and discharge
temperature sensor (TP).
Step 4. Disconnect the expansion valve.
Step 5. Remove electronic control box.
Reactor
Compressor
18.2.6. Fan Disassembly
MWCA012S4)
NOTE: Antistatic gloves must be worn when you
dissemble the electronic box.
NOTE: Remove the panel plate before disassembly the
fan.
Step 1. Remove nut securing the fan with a spanner.
Step 2. Remove the screws securing the top cover.
4-way valve
EEV
Fan Motor
T3, T4 and TP
(MWCA009S4
Step 3.
Release the hooks and then open the electronic
control box cover.
Hook
and
Step 4. Disconnect the connector from the fan motor
from the electronic control board.
41
Fan Motor Connector