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3
SM830052
Service Procedures
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0221_C_I
F001: Fuse 250V / 3.15A
F002: Fuse 250V / 3.15A
F003: Fuse 250V / 0.5A
CN022 (WHT): Cooling/Heating switching terminal
changes the operation mode of the
indoor unit (for checking when servicing)
CN031 (BLK): Link system terminal
D083 (ORG) Alarm lamp
D001 (RED) Power lamp
CN024 (WHT): Stop terminal: Stop the indoor unit
CN023 (WHT): Operation terminal:
Operates the indoor unit
(for checking when servicing)
CN025 (WHT), CHNG: Terminal for cheking
the indoor unit address
S004 (RED): Setting SW for No. of indoor units
S003 (GRN): R.C. address
S002 (BLK): R.C. address
S005 (GRN): Model select SW
CN027 (YEL), TP
CN026 (RED), CP Forced ON
input terminal in cooling mode
S001 (A. ADD): Auto. address button
LED 1 ~ 9 : Message lamps
7
Outdoor unit control PCB (CR-C703GYH)
7
OUTDOOR UNIT
6P termianl
for power supply
Refrigerant liquid line
Refrigerant
gas line
Outdoor unit
control PCB
Compressors
Right : Standard (AC)
Left : Power control (PC)
0185_C_I
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5. PCBs and Their Location