Mitsubishi Electric PUZ-SM100VKA2 Service Manual page 86

From the previous page.
OPERATING PROCEDURE
(8) Remove 2 electrical parts box fixing screws (4 × 10) and
detach the electrical parts box by pulling it upward. The
electrical parts box is fixed with 2 hooks on the left and 1
hook on the right.
Photo 5 (VKA2 type)
*This photo is for 100VKA2 type.
4. Disassembling the electrical parts box (VKA2 type2)
(1) Disconnect all the connectors on the controller circuit board.
(2) Remove the screws 1, that fix the plate equipped with the
outdoor controller circuit board, and the electrical parts box.
(See Photo 7)
(3) Remove the controller circuit board. (See Photo 7)
(4) Disconnect the connectors of reactor on the bottom plate of
the electrical parts box. (See Photos 8-1 and 8-2)
(5) Remove 4 (100VKA2) or 2 (125/140VKA2) screws 2 on the
rear plate of the electrical parts box. (See Photos 8-1 and 8-2)
(6) Remove the reactor(s). (See Photos 8-1 and 8-2)
Note: 1. When reassembling the electrical parts box, make
sure that the wirings are correct.
2. When exchanging the reactor, make sure to
exchange all the 3 reactors.
Photo 8-1 (125/140VKA2)
Screws 2
OCH774A
Electrical
parts box
Electrical
parts box
fixing screw
Reactor
Connectors
of Reactor
Reactor
Connectors
of Reactor
Connectors
of Reactor
Electrical
parts box
Reactor
PHOTOS/FIGURES
Photo 6 (YKA2 type)
Photo 7
*This photo is for 100VKA2 type.
Photo 8-2 (100VKA2)
Screws 2
86
Electrical
parts box
Electrical parts
box fixing
screw
Electrical
Controller circuit board
parts box
(C.B)
Screws
Power circuit board
(behind the C.B)
Connectors
of Reactor
Reactor
Connectors
of Reactor
1