Mitsubishi Air Conditioner PURY-P300YLM-A

Remove the connector of the solenoid valve in trouble

The coils on the solenoid valves SVA, SVB, SVM1,SVM1b, SVM2, and SVM2b can be serviced through the inspection door.

SVC is accessible for replacement by removing the four mounting screws on the rear panel and removing the panel

SVM1 is present only on the G1, GA1, and HA1 types, SVM2 on the GA1 and HA1 types, and SVM1b and SVM2b on the HA1 type.

Sign off on the disassembling process

Remove the two lock nuts on the control box

Loosen the other two nuts on the control box

Remove the three fixing screws on the service panel

Remove the nine machine screws on the ceiling panel

1) For TH11, TH12, and TH15, refer to 1. 1), 2).

2) For TH16, refer to 1. 1), 2), 3). (GA1 type only).

(2) Remove the lead wire of the piping sensor from the control board.

(3) Pull out the temperature sensor from the temperature sensor housing, and replace the temperature sensor with the new one.

(4) Connect the lead wire of the temperature sensor securely on the control board.;

Warning: This procedure should be performed by trained personnel only.

For the pressure sensors PS1 and PS3, refer to the following steps

Pressure sensor connector in trouble removed from the control board

New pressure sensor attached to the correct place

Connector inserted to the control board

Gas leaks from the pressure sensor?

Remove both the top and bottom service panels (front panels)

Remove the control box and the compressor cover (front)

Remove the wires that are secured to the frame,and remove the frame

Remove the compressor cover (top)

Remove the compressor wires, compressor cover, and the right

Place protective materials on the insulation lining of the compressor cover and on the sealing material, on the compressor suction pipe to protect them from the torch flame, debraze the pipe, and replace the compressor

Sign off on the compressor disassembling