Service Manual

 Outdoor Unit Disassembly 38 
7. PCB board 8
Procedure Illustration
1) Unfix the hooks and then open the
electronic control box cover (4
hooks)(see Fig. 7.1).
2) Disconnect the connector for
outdoor DC fan from the electronic
control board (see Fig. 7.2).
3) Remove the connector for the
compressor (see Fig. 7.2).
4) Pull out the two blue wires
connected with the four way valve
(see Fig. 7.2).
5) Pull out connectors of the condenser
coil temp. sensor(T3),outdoor
ambient temp. sensor(T4) and
discharge temp. sensor(TP) (see Fig.
7.2).
6) Disconnect the electronic expansion
valve wire (see Fig Fig. 7.2).
7) Disconnect the communication wire
indoor PCB (see Fig Fig. 7.2).
8) Disconnect the PFC inductor (see Fig
Fig. 7.2).
9) Then remove the electronic control
box (see Fig. 7.2).
Fig. 7.1
Fig. 7.2
Note: This section is for reference only. Actual unit appearance may vary.