Mitsubishi Electric PUHZ-W85VAA Service Manual page 62

OPERATING PROCEDURE
15. Removing the plate heat exchanger
(1) Remove the nozzle of plate heat exchanger for the water
piping.
(2) Remove the service panel. (See Photo 1)
(3) Remove the refrigerant.
(4) Remove the piping.
(5) Remove the plate heat exchanger fixing screws (1 for
right/ 4 × 10 and 1 for rear/ 4 × 10), then slide the plate
heat exchanger upward to remove it.
(The plate heat exchanger is fixed to the base with a
hook on the bottom.)
Note 1: Recover water in the plate heat exchanger before
removing the water piping.
Note 2: Recover refrigerant without spreading it in the air.
16. Removing the reactor (ACL1, ACL2, ACL3) (Y model only)
(1) Remove the electrical parts box. (See Photo 3-1)
(2) Remove the reactor assy fixing screws (4 for right/ 4 ×
10), then slide the reactor assy upward to remove it.
(3) Remove the reactor fixing screws (4 for front/ 4 × 10), to
remove the reactor on the reactor assy.
Note 1: Pay extra attention when handling the reactor
since it is very heavy (4.1 kg).
OCH681
PHOTOS/FIGURES
Photo 14
Plate heat
exchanger
Photo 15
Reactors
Reactor assy
62
Nozzle of
plate heat
exchanger
Plate heat exchanger
fixing screws