Mitsubishi Split-Type, Heat Pump Air Conditioner PUHZ-P125VHA4

Disconnect the power supply cable from terminal block

Disconnect the indoor/outdoor connecting wire from terminal block

Disconnect the connectors from the controller circuit board

Loosen the clamps, fasteners and cable strap for the lead wire in the electrical parts box and separator

Remove the terminal cover to disconnect the COMP lead wire

Remove the electrical parts box fixing screws, then slide the electrical parts box upward to remove it

Sign off on the electrical parts box disassembly

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

(2) Loosen the clamp for the lead wire on separator.

[Removing the lead wire for high pressure switch]

(3) Disconnect the lead wire from the high pressure switch.

[Removing the 4-way valve coil]

(3) Remove the 4-way valve coil fixing screw (1 for front/ M5) to remove the 4-way valve coil.

(4) Slide the 4-way valve coil forward to remove it.

(3) Loosen the lead wires fixed to the pipes with bands.

Remove the welded part of bypass valve (2 positions)

Remove the bypass valve coil fixing screw (1 for front/M5)

Remove the bypass valve by sliding the coil upward

Disconnect the connector SV2 (blue) on the controller circuit board in the control box

Remove the electrical parts box

Remove the front panel fixing screws, then slide the front panel upward to remove it

Release the lead wire for FM1 and FM2

Remove the separator fixing screws, then slide the separator upward to remove it

Remove the electrical parts box

Remove the cont. box base fixing screws (2 for front/4 × 10) to remove the cont. box base

Disconnect the connector, DCL (WHT)(*10) on the power circuit board

Release the lead wire from the hole on cont. box base

Loosen the cable strap for the lead wire

Remove the screws for reactor (4 for rear/4 × 10) to remove the reactor

Sign off on the reactor disassembly