Mitsubishi Electric MUX-A20WV Service Manual download pdf (Page 62)

62

11-5. Test point diagram and voltage

MUX-2A59VB -

MUX-3A60VB -

MUX-3A63VB -

MUX-2A70VB -

MUX-4A73VB -

Outdoor control P.C. board

E1

E1

E1

E1

E1

Fuse 250V AC

3.15A

To compressor

MC2

}

12V DC

+

To fan

capacitor

Surge absorber

(NR61)

Power supply

input

230V AC

To terminal

block

To terminal

block

To compressor

MC1

To fan motor

To fan capacitor

To indoor unit A

Solenoid coil 21R1

To indoor unit B

Solenoid coil 21R2

To solenoid coil

21RB

To solenoid coil 21RA

To indoor unit D

Solenoid coil 21R4

To indoor unit C

Solenoid coil 21R3

W From

indoor

unit A

12V DC

1+,3-

W From

indoor

unit B

12V DC

1+,3-

W From

indoor

unit C

12V DC

1+,3-

W From

indoor

unit D

12V DC

1+,3-

W In case of MUX-4A73VB

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