Carrier 38MPRAQ12AA3 - Electrical Parts;PCB Board Removal (18 K-24 K)

58 Specifications subject to change without notice. SG-38MPRA-02
Outdoor Unit Sizes 18K-24K (208-230V) (continued)
Electrical Parts / PCB Board
NOTE: Remove the panel plate. Refer to the Panel Plate removal steps before disassembling electrical parts.
NOTE: This section is for reference only. The actual unit’s appearance may differ.
Procedure Illustration
1) Release the hooks and open the
electronic control box cover (4 hooks).
2) Disconnect the connector for the
outdoor DC fan from the electronic
control board.
3) Remove the compressor connector.
4) Remove the two blue wires connected
to the four way valve.
5) Remove the connectors of the
condenser coil temp. sensor(T3),
outdoor ambient temp. sensor(T4) and
discharge temp. sensor(TP).
6) Disconnect the electronic expansion
valve wire.
7) Disconnect the communication
wire indoor PCB.
8) Disconnect the PFC inductor.
9) Remove the electronic control box.