2-35
SERVICING
(2.1 Outdoor Unit)
TURN OFF all power source switches.
(5) Removing ISPM(1)
Before this work, remove the service panel according to the item 2.1.2 “Removing Front Service
Panel”. Check to ensure that LED201 (Red) of the ISPM(1) is off.
(a) Loosen two (2) screws fixing the inverter electrical box cover and remove it.
NOTE:
Do not remove screws for the inverter electrical box cover so that it does not fall off.
(b) Disconnect the connectors and cables connected to the ISPM(1).
(c) Remove four (4) screws fixing the ISPM(1) and remove it.
NOTE:
Do not apply a great force to the PCB
otherwise the ISPM(1) will be damaged.
(4) Removing Other
Before this work, remove the center front panel 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.
NOTES:
1. Do not touch the electrical part of the PCB.
2. Do not apply a great force to the PCB.
Phillips Screwdriver, PincherTool
Do not touch the any electrical parts during LED201 (Red) on ISPM(1) is ON.
If touched, electric shock will occur.
TB3
P1
CN206
LED201
CN207
ISPM1
Fixing Screw for ISPM1
Control Cable
for ISPM2
Control Cable
for PCB
Power Cable
for Compressor
RSTUVW
P
N
RB
10A
WVRS UT
RBNPP1
C
PD
R1
CN201
S1
COM1
SUB1MAIN1
COM2
L1 L2 L3 N
AC Chopper
ISPM
Smoothing Capacitor
for Inverter
Reactor Magnetic Contactor
Capacitor
for Fan Motor
(MOF2)
Resistor
Terminal Board
for Power Source
Noise Filter
Fuse for Inverter
Compressor (MC1)
Fuse for Fan Motor (MOF2)
Phillips Screwdriver, NippersTool
This example figure is 380-415V 50Hz
and 380V 60Hz.
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