Mitsubishi Electric PUHZ-W112VHA Service Manual page 56

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 the cover panel (front).
(4) Remove the electrical parts box. (See Photo 4)
(5) Remove the stay.
(6) Remove the water pipes connected to water outlet and
water inlet.
(7) Remove the side panel (R).
(8) Remove 2 screws (separator side/4 × 10) and 4 screws
(M/S and base side/5 × 12) to remove the front panel.
(9) Remove 3 separator fixing screws (4 × 10) and remove
the separator.
(10) Remove the soundproof cover for compressor.
(11) Remove the terminal cover and remove the compressor
lead wire.
(12) Recover refrigerant.
(13) Remove the 3 points of the compressor fixing nut using a
spanner or a adjustable wrench.
(14) Remove the welded pipe of compressor inlet and outlet
then remove the compressor.
Note: Recover refrigerant without spreading it in the air.
14. Removing the power receiver
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove the cover panel (front).
(4) Remove the electrical parts box. (See Photo 4)
(5) Remove the stay.
(6) Remove the water pipes connected to water outlet and
water inlet.
(7) Remove the side panel (R).
(8) Recover refrigerant.
(9) Remove 4 welded pipes of power receiver inlet and outlet.
(10) Remove 2 receiver leg fixing screws (4 × 10).
Note: Recover refrigerant without spreading it in the air.
HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
Copyright 2014 MITSUBISHI ELECTRIC CORPORATION
Issued: Apr. 2019 No. OCH562 REVISED EDITION-D
Issued: Dec. 2017 No. OCH562 REVISED EDITION-C
Issued: Jul. 2015 No. OCH562 REVISED EDITION-B
Issued: Nov. 2014 No. OCH562 REVISED EDITION-A
Published: Jun. 2014 No. OCH562
Made in Japan
PHOTOS/FIGURES
Photo 14
Terminal cover
Compressor (MC)
Compressor
Plate heat exchanger
fi xing nut
fi xing screw
Specifications are subject to change without notice.
56
Pipes of power receiver
Power
receiver
Receiver leg
fi xing screw

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