75
OPERATING PROCEDURE
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 5)
(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 bottom
side of the electrical parts box and remove the bottom side
plate by sliding in the direction of the arrow B.
(See Photo 4-3 and 4-4)
(6)
Remove the 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 3-2
(6)
Remove the terminal cover and disconnect the compres-
sor lead wire.
(7)
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.
Electrical
parts box
Electrical parts
box fixing screw
Photo 4-1
Electrical
parts box
Screw
1
Controller
circuit board
(C.B.)
Photo 4-2
Screw
3
Screw
2
Bottom plate of
electrical parts
box
A
Electrical parts
box
Photo 4-3
Screw
5
Screw
4
Bottom plate of electrical parts box
Clamp
Photo 4-4
Power circuit
board (P.B.)
Noise filter
circuit board
(N.F.)
Photo 4-5
Screw
6
Noise filter circuit board (N.F.)
Electrical parts box
B
Heatsink
Screw
7
Converter
circuit board
(CONV.B.)
PHOTOS & ILLUSTRATION
From the previous page.
OCH533A
