III - 48
Service Procedures
3
SM830052
7
Outdoor unit control PCB (CR-C483GYH)
0
ON
1
2
0
LED 1 ~ 8 : Message lamps
CN025 (WHT), CHNG: Terminal for cheking
the indoor unit address
0825_C_I
CN022 (WHT): Cooling/Heating switching terminal
changes the operation mode of the
indoor unit (for checking when servicing)
F003: Fuse 125V / 0.5A
CN031 (BLK): Link system terminal
D083 (ORG) Alarm lamp
D001 (RED) Power lamp
S004 (RED): Setting SW for No. of indoor units
CN023 (WHT): Operation terminal:
Operates the indoor unit
(for checking when servicing)
F001: Fuse 250V / 3.15A
F002: Fuse 250V / 3.15A
S003 (BLU): Outdoor unit address (for more than 10)
S002 (BLK): Outdoor unit address (for 10 or below)
S001 (A. ADD): Auto. address button
CN027 (YEL), TP
CN024 (WHT), Stop trtminal: Stop the indoor unit
CN026 (RED), CP Forced ON
input terminal in cooling mode
5. PCBs and Their Location