Daikin 3-Zone Cooling-Only Outdoor Unit 3MXS40K2V1B

Warning: Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

Remove the 2 screws of the fan motor fixing plate.

Preparation: Remove the outer panels and plates. Remove the electrical box.

Remove the fan motor fixing plate.

When reassembling, fit the lower hooks. Nut size: M6

When reassembling, align the mark of the outdoor fan with the D-cut section of the motor shaft.

Remove the nut and remove the outdoor fan.

Open the 2 hooks and release the fan motor lead wire.

When reassembling, put the fan motor lead wire through the back of the fan motor so as not to be entangled with the outdoor fan.

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

1. Remove the right side panel.

Remove the outer panels and plates.

1 Remove the 3 screws of the right side panel.

2 Remove the 2 screws on the back.

3 Remove the protection rubber. There is a hook on the back.

4 Lift up and remove the right side panel.

Warning: Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work. Take care not to cut your finger by the fins of the heat exchanger.

Remove the 4 screws (2 on both sides) of the top panel

Remove the 6 screws of the front panel

Remove the screw of the shield plate

Slide the shield plate to the left to unfasten the hooks and remove the shield plate

Unfasten the upper 2 hooks. Align the position of hole of the upper hook to pull the front panel out

Lift the front panel up to unfasten the left side hooks. The front panel has 3 hooks on the left

Unfasten the right side hook and remove the front panel

Warning Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

1. Remove the service monitor PCB.

2 Remove the screw of the terminal board and open it.

3 Disconnect the connectors [S52] [S102] from the service monitor PCB.

4 Unfasten the upper hook and pull the service monitor PCB upward to remove.

[AC1] [AC2] : for power supply [S10] : for transmission

1 Disconnect the connectors for the terminal board on the right side.

Warning: Be sure to wait for 10 minutes or more after turning off all power supplies before disassembling work.

Disconnect the compressor lead wires.

Before working, make sure that the refrigerant gas is empty in the circuit.

Be sure to apply nitrogen replacement when heating up the brazed part.

Heat up the brazed part of the discharge side and disconnect the part (a).