Mitsubishi Split-Type, Heat Pump Air Conditioner PUHZ-P140VHA4

(1) Remove the electrical parts box. (Refer to procedure 3)

(2) Remove the cover panel (front) fixing screws (2 for front/5×12). (See Photo 10)

(3) Remove the cover panel (rear) fixing screws (2 for rear/5×12).

(4) Remove the valve bed fixing screws (3 for front/4×10 and 4 for front/5×16). (See Photo 10)

(5) Remove the side panel (R).*5

(7) Remove the 4-way valve coil. (See photo 9)

(8) Remove the welded part of 4-way valve (4 positions) to remove the 4-way valve.

Disconnect the connector, TH3 (WHT), and TH32 (BLK) on the controller circuit board in the electrical parts box

Loosen the fastener for the lead wire on the controller circuit board in the electrical parts box

Loosen the clamp for the lead wire on separator

Pull out the thermistor <Liquid> (TH3) from thermistor holder

Remove the top damper, then pull out the thermistor <Comp. surface> (TH32) from thermistor holder

Upload a photo of the disassembled thermistors

Sign off on the thermistors disassembly

Warning: Ensure the machine is powered off before starting the disassembly

Service panel fixing screws removed

Service panel slid downward and removed

Top panel fixing screws removed

Notes on the disassembly process

(1) Remove the service panel. (See Figure 1, 2)

(2) Remove the top panel. (See Figure 1, 2)

(3) Disconnect the connector TH7/6 (RED) on the controller circuit board in the electrical parts box. (Refer to procedure 3)

(4) Loosen the fastener for the lead wire in the electrical parts box.

[Removing the thermistor <Ambient> (TH7) for V model]

(5) Remove the cont. box top fixing screws (4 on top/4 x 10) to remove the cont. box top.

(6) Loosen the lead wire from the edge cover in the electrical parts box.

(7) Loosen the clamp for the lead wire in the electrical parts box.

(8) Pull out the thermistor <Ambient> (TH7) from thermistor holder.

Upload a photo of the removed service panel

Upload a photo of the removed top panel

Remove the grille fixing screws

Upload a photo of the removed grille

Upload a photo of the removed propeller fan

Disconnect the connectors, CNF1 (WHT) on the controller circuit board in the electrical parts box