Mitsubishi Electric PUHZ-W50VHA2R1 Service Manual page 55

Split-type, air to water heat pump
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OPERATING PROCEDURE
13. Removing the compressor (MC)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove 2 screws (5
×
(4) Remove the electrical parts box. (See Photo 4)
(5) Remove 3 screws (4
(See Photo 10)
(6) Remove 3 screws (5
remove the side panel (R). (See Photo 4)
(7) Remove 5 screws (1: 4
front panel. (See Photo 2)
(8) Remove 3 screws (4
Photo 4)
(9) Remove the terminal cover and remove the lead wire for
compressor.
(10) Remove the soundproof cover for compressor.
(11) Recover refrigerant.
(12) Remove the 3 points of the compressor fixing nut using a
spanner or a adjustable wrench.
(13) Remove the welded pipe of the compressor, then remove
the compressor.
Note 1: Recover refrigerant without spreading it in the air.
14. Removing the receiver
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove 2 screws (5
×
(4) Remove the electrical parts box. (See Photo 4)
(5) Remove 3 screws (4
(See Photo 4)
(6) Remove 3 screws (5
remove the side panel (R). (See Photo 4)
(7) Recover the refrigerant.
(8) Remove 2 welded pipes of receiver.
(9) Remove 2 receiver leg fixing screws (4
the receiver.
Note 1: Recover refrigerant without spreading it in the air.
15. Removing the plate heat exchanger
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove 2 screws (5
×
(4) Remove the electrical parts box. (See Photo 4)
(5) Remove 3 screws (4
10) and remove the valve bed. (See Photo 4)
×
(6) Remove 3 screws (5
remove the side panel (R). (See Photo 4)
(7) Recover the refrigerant.
(8) Remove 2 welded pipes of plate heat exchanger inlet and
outlet.
(9) Remove 2 plate heat exchanger fixing screws (4
then remove the plate heat exchanger.
Note 1: Recover refrigerant without spreading it in the air.
Note 2: Before removing the thermistor <Inlet Water> (TH32),
recover water in the plate heat exchanger.
OCH605A
12) and remove the cover panel (front).
10) and remove the valve bed.
×
12) in the rear of the unit and
×
10, 4: 5
12) and remove the
×
×
10) and remove the separator. (See
×
12) and remove the cover panel (front).
10) and remove the valve bed.
×
12) in the rear of the unit and
×
10), then remove
×
12) and remove the cover panel (front).
12) in the rear of the unit and
×
Photo 10
Lead wire for
compressor
Compressor
(MC)
Photo 11
Receiver
10),
×
55
PHOTOS
Terminal cover
Compressor
fixing nut
Plate heat
exchanger
Plate heat
exchanger fixing
screw
Receiver leg fixing screws

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Puhz-w50vha2-bsPuhz-w50vha2Puhz-w50vha2r1-bs

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