Air Conditioner Service Manual
12
Outdoor unit
9K, 12K
18,24K
Note:
OAT: Outdoor Ambient Temperature
OPT: Outdoor pipe temperature
1
ODU PCB Mainly
relay
2
Fuse
3
L, N & 1
(communication)
wiring
4
4-way valve
5
Heater
6
DC fan motor
connector
7
Electronic expansion
valve
8
Discharge sensor
connector
9
OAT/OPT sensor
connector
10
LED5
1
DRED(OPTION)
2
OAT/OPT connector
3
Discharge sensor
connector
4
Electronic expansion
valve
5
AC/DC fan motor
connector
6
Heater
7
4-way valve
8
LED5
9
Communication
wiring
10
Fuse
11
L , N line
12
ODU PCB Mainly
relay
13
LED1-LED4
10
9
8
7
6
5
4
3
2
1
1 2
3 4
5
6 7
8
13
12
9
10
11