Manuals / Mitsubishi Electronics / Household Appliance / Air Conditioner

Mitsubishi Electronics PUZ-A24NHA2-BS, PUZ-A42NHA2-BS 107, Removing the electrical parts box

Models: PUZ-A36NHA2-BS PUY-A12NHA2 PUY-A42NHA2-BS PUY-A30NHA2 PUZ-A36NHA2 PUY-A36NHA2-BS PUZ-A18NHA2 PUZ-A18NHA2-BS PUY-A30NHA2-BS PUZ-A30NHA2-BS PUY-A18NHA2 PUY-A36NHA2 PUZ-A30NHA2 PUY-A12NHA2-BS PUZ-A24NHA2-BS PUZ-A42NHA2 PUY-A18NHA2-BS PUY-A42NHA2 PUZ-A42NHA2-BS PUY-A24NHA2-BS PUZ-A24NHA2 PUY-A24NHA2

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OPERATING PROCEDURE

PHOTOS

3. Removing the electrical parts box

Photo 5

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

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

(3)

Remove the front panel. (See photo 1.)

Electrical parts box Controller circuit

(4)

Disconnect the indoor/outdoor connecting wire from

board (C.B.)

 

terminal block.

 

(5)

Remove all the following connectors from controller circuit board;

 

 

fan motor, linear expansion valve, thermistor<Outdoor pipe>,

 

 

thermistor<Discharge>, thermistor<Outdoor 2-phase pipe>,

 

 

thermistor<Outdoor>, high pressure switch, four-way valve

 

 

and bypass valve.

 

 

Pull out the disconnected wire from the electrical parts box.

 

 

<Diagram symbol in the connector housing>

 

 

• Fan motor (CNF1)

 

•Linear expansion valve (LEV-A)

•Thermistor <Outdoor pipe> (TH3)

• Thermistor <Discharge> (TH4)

 

 

• Thermistor <Outdoor 2-phase pipe, Outdoor> (TH6/7)

 

 

• High pressure switch (63H)

Electrical

 

(6) Remove the terminal cover and disconnect the compressor

parts box

 

lead wire.

fixing

Terminal block(TB1)

screw

 

 

(7)Remove the electrical parts box fixing screws, 1 from the front, the right and the rear side, and detach the electrical parts box by pulling it upward.

4. Removing the thermistor <Outdoor 2-phase pipe> (TH6)

Photo 6

 

and thermistor <Outdoor pipe> (TH3)

 

 

 

 

(1)

Remove the service panel. (See photo 1.)

 

 

 

 

(2)

Remove the top panel. (See photo 1.)

 

 

 

Thermistor

(3)

Remove the front panel. (See photo 1.)

 

Electrical

 

<Outdoor 2-phase pipe>

(4)

Remove the conduit cover and cord cover.

 

parts box

 

(TH6)

 

 

 

 

 

 

 

 

(5)

Remove the back panel fixing screws, 4 from the right and

 

 

 

 

 

3 from the rear side, and detach the back panel.

 

 

 

 

 

(See photo 1.)

 

 

 

 

(6)Disconnect the connector TH3 (white) or TH6/7 (red) on the controller circuit board in the electrical parts box.

(7)Loosen the clamp for the lead wire in the rear of the

electrical parts box.

 

(8) Pull out the thermistor <Outdoor pipe> (TH3) and

Clamp

thermistor <Outdoor 2-phase pipe> (TH6) from the

 

sensor holder.

 

Note: Replace the thermistor <Outdoor 2-phase pipe> (TH6) and the thermistor <Outdoor> (TH7) together since they are combined.

Refer to No. 5. to remove the thermistor <Outdoor> (TH7).

Thermistor <Outdoor pipe> (TH3)

107

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Page 107
Image 107
Mitsubishi Electronics PUZ-A24NHA2-BS, PUZ-A42NHA2-BS 107, Removing the electrical parts box, Thermistor Outdoor pipe TH3
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