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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

Lennox MCA018S4S-1P User Manual

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