Mitsubishi Split-Type, Heat Pump Air Conditioner PUHZ-RP200YKA

(1) Remove the service panel. (See Photo 1)

(2) Disconnect the connectors, TH3 (white) and TH4 (white) on the controller circuit board in the electrical parts box.

(3) Loosen the clamp for the lead wire in the rear of the elec- trical parts box.

[Removing the thermistor<Outdoor pipe>(TH3)]

(4) Pull out the thermistor <Outdoor pipe> (TH3) from the sensor holder.

[Removing the thermistor<Shell>(TH32)] (4) Remove the soundproof cover (upper) for compressor.

(5) Pull out the thermistor <Shell> (TH32) from the thermo- holder of the compressor shell.

[Removing the thermistor<Discharge>(TH4)]

(4) Pull out the thermistor <Discharge> (TH4) from the sen- sor holder.;

Disconnect the connector TH7 (red) on the controller circuit board in the electrical parts box

Loosen the 2 wire clamps on top of the electrical parts box

Pull out the thermistor <Outdoor> (TH7) from the sensor holder

Note: In case of replacing thermistor <Outdoor> (TH7), replace it together with thermistor <Outdoor 2- phase pipe> (TH6), since they are combined together

Remove thermistor <Outdoor 2-phase pipe>

Sign off on the thermistor replacement

Warning: This procedure requires trained personnel with PPE!

Upload a photo of the service panel before removal

Upload a photo of the top panel before removal

Number of right side panel fixing screws removed

Lead wire of high pressure switch pulled out

Refrigerant recovered without spreading it in the air

(1) Remove the service panel. (See Photo 1)

(2) Remove the top panel. (See Photo 1)

(3) Remove the electrical parts box. (See Photo 4)

[Removing the 4-way valve coil]

(4) Remove 4-way valve coil fixing screw (M4 × 6).

(5) Remove the 4-way valve coil by sliding the coil toward you.

[Removing the linear expansion valve coil]

(4) Remove 3 right side panel fixing screws (5 × 10) in the rear of the unit then remove the right side panel.

(5) Remove the linear expansion valve coil by sliding the coil upward.;

Upload a photo of the removed service panel

Upload a photo of the removed top panel

Remove the electrical parts box

Upload a photo of the removed electrical parts box

Remove 3 valve bed fixing screws, 4 ball valve and stop valve fixing screws then remove the valve bed

Remove 3 right side panel fixing screws in the rear of the unit then remove the right side panel