Hitachi RPI-0.8FSG1 - Page 174

2-34
SERVICING
(2.1 Outdoor Unit)
TURN OFF all power source switches.
(2) Removing PCB (Electrical Box for Control)
Before this work, remove the right side front cover according to the item 2.1.2 “Removing Front
Service Panel”.
(a) Disconnect the connectors connected to the PCB and clamp the middle portion of the holder by
pinchers and pull it out.
NOTES:
1. Do not touch the electrical part of the PCB.
2. Do not apply a great force to the PCB.
Phillips Screwdriver, Pincher, NippersTool
(3) Removing Other Electrical Parts (Electrical Box for Control)
Before this work, remove the right side front cover according to the item 2.1.2 “Removing Front
Service Panel”.
(a) Disconnect the cables connected to each electrical part.
(b) Remove screws for the electrical parts mounting.
(c) When replace the electrical box behind the PCB mounting plate, remove two (2) screws
for the PCB mounting plate and turn the plate
towards the front side.
Phillips Screwdriver, Pincher, NippersTool
T
L3L1 L2
RS MP
N
STR
L1 L2 L3 N
M63826P M63826P
IC9IC2
C12
+
C10
++
DSW6
DSW7 DSW8 DSW9
DSW4 DSW5
12 4321
12 3412
52146376312 548
PC1 PC2
D122
R144
DSW1 DSW2 DSW3 PSW1 PSW2 PSW3
3412 3412 12
Magnetic Contactor for
Constant Speed Compressor Electrical Box
Screw
for PCB Mounting Plate
PCB Mounting Plate
PCB
Middle Part of Holder
A
Details of A
PCB
STR
T
L3L1 L2
RS MP
N
L1 L2 L3 N
32A
32A
(a)
(a)
(a)
(a)
Fuse for Power Source
Noise
Filter
Capacitor