Mitsubishi Electric PUZ-WZ50VAA Service Manual page 84

OPERATING PROCEDURE
[TERMINAL BLOCK]
(19) Remove the lead wire L/N, Earth, CNS on the terminal block.
(See Photo 4-11)
(20) Remove the terminal block fixing screw. (See Photo 4-11)
[REACTOR]
(21) Disconnect the lead wire L/N, CNDC, CNAC from edge cover.
(Photo 4-12)
(22) Remove the insulation from the electrical box. (See Photo
4-13)
(23) Remove the screws on the electrical box (4 for right/ 4×10),
then slide the plate upward to remove it. (See Photo 4-14,
4-15)
(24) Remove the all connectors of the reactor. (See Photo 4-16)
(25) Remove the reactor fixing screws (4 for right/ 4×10).
(See Photo 4-16)
Note 1: When reassembling the electrical parts box, make sure the wirings are
correct.
Note 2: When reassembling the electrical parts box, make sure whether the seal-
ing materials of top cover degraded or are damaged. If the sealing materi-
als degraded or are damaged, replace it with a new one. (See photo 4-2)
Photo 4-10
Controller circuit board
Photo 4-14
Screws
5. Removing the side panel (R)
(1) Remove the service panel. (See Photo 1-1)
(2) Remove the top panel. (See Photo 1-1)
(3) Remove the cover panel. (See Photo 1-1)
(4) Remove the inlet and outlet water pipe.*1 (See Photo 5-1)
(5) Remove the side panel (R) fixing screws (2 for front, 1 for
right side, 2 for rear/ 5 ×12), then slide the cover panel
forward to remove it. (See Photo 5-1, 5-2)
*1 Drain the water in outdoor unit before removing the water pip-
ing.
OCH816
Photo 4-11
Terminal block
Terminal block fixing screw
Photo 4-15
PHOTOS/FIGURES
Photo 4-7
Contactor fixing screw
Covers
Photo 4-9
Run capacitor fixing screw
Photo 4-12
Edge cover
Photo 4-16
Photo 5-1
Screw
Photo 5-2
84
Photo 4-8
Lead wire of 52C
Lead wire of LO/NO
Lead wire of RUN
CAPACITOR
Lead wire of
CABLE ASSY
Photo 4-13
Insulation
Screws
Screws
Inlet and outlet water pipe
Screws