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OPERATING PROCEDURE
(9) Remove the terminal cover and disconnect the compressor
lead wire.
(10) Remove 3 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.
4. Disassembling the electrical parts box
(1) Disconnect all the connectors on the controller circuit
board.
(2) Remove the 3 screws, screw 1, 2 and 3, that fix the
plate equipped with the outdoor controller circuit board,
and the electrical parts box, screw 1 from the front and
the screw 2 and 3 from the bottom of the electrical parts
box. (See Photo 4-1 and 4-2)
(3) Slide the plate in the direction of the arrow A and remove it.
(See Photo 4-1)
(4) Remove the lead wires from the clamp on the bottom of
the electrical parts box. (See Photo 4-3)
(5) Remove the 3 screws, screw 4 and 5, that fix the bot-
tom side of the electrical parts box and remove the bot-
tom side plate by sliding in the direction of the arrow B.
(See Photo 4-3 and 4-4)
(6) Remove the outdoor noise filter circuit board from the
electrical parts box. Then remove the 2 screws, screw
6 and 7, that fix the plate equipped with the noise filter
circuit board and converter circuit board. (See Photo 4-5)
Note: When reassembling the electrical parts box, make
sure the wirings are correct.
Photo 4-2
Screw2
Heat sink
Photo 4-4
Noise filter
circuit board
(N.F.)
OCH755
Bottom plate of
electrical parts box
Screw3
Electrical parts box
B
Converter
circuit board
(CONV.B.)
Power circuit
board (P.B.)
75
PHOTOS/FIGURES
Photo 3-2
Photo 4-1
Clamp
Photo 4-3
Screw4
Bottom plate of electrical parts box
Photo 4-5
Electrical parts box
Screw6
Noise filter circuit board (N.F.)
Electrical
parts box
Electrical parts
box fixing screws
Electrical
parts box
Screw1
Controller
circuit board
(C.B.)
A
Screw5
Screw7
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