123
OPERATING PROCEDURE
PHOTOS & ILLUSTRATION
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 5 and 6.)
(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 7.)
(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 7 and 8.)
(6) 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 9.)
Note: When reassembling the electrical parts box, make
sure the wirings are correct.
Photo 4
(6) Remove the terminal cover and disconnect the
compressor 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
From the previous page.
Photo 5
Electrical
parts box
Screw
1
Controller
circuit board
(C.B.)
Photo 6
Screw
3
Screw
2
Bottom plate of
electrical parts
box
A
Electrical parts
box
Photo 7
Screw
5
Screw
4
Bottom plate of electrical parts box
Clamp
Photo 8
Power circuit
board (P.B.)
Noise filter
circuit board
(N.F.)
Photo 9
Screw
6
Noise filter circuit board (N.F.)
Electrical parts box
B
Heat sink
Screw
7
Converter
circuit board
(CONV.B.)
OC374A--5.qxp 06.7.26 6:00 PM Page 123