Lennox MCA Series - Fan Disassembly (MWCA009 S4 and MWCA012 S4)

41
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.
Compressor
Reactor
4-way valve
Fan Motor
EEV
T3, T4 and TP
18.2.6. Fan Disassembly (MWCA009S4 and
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.
Step 3. Releasethehooksandthenopentheelectronic
controlboxcover.
Hook
Step 4. Disconnecttheconnectorfromthefanmotor
fromtheelectroniccontrolboard.
Fan Motor Connector