Quiet Operation
QO
CN14
Y
CN16
G
12
1
2
1
2
1
2
RC
Q0
PCB
W
CN30
1
1
2
2
LED2
LED1
LED5
LED6
1
2
3
4
5
10
9
8
7
6
CN21
W
LED3LED4
250VACT5A
FUSE
SW08
SW07
SW02
SW03
SW01
2
2
CN31
1
1
45
45
CN11
2
2
1
1
3
3
CN34
CN33
1
1
2
2
54
3
54
3
6
6
6
6
45
3
45
2
2
1
1
3
CN26
2
1
2
1
inspection/repair make the local setting
and Wireless Remote Controller SettingЎЈ
*Master/Slave Wired Remote controller
At the time of installation or after service
in accordance with the followin
table
Malfunction of O.D unit
Address duplication
improper setting SW02
Address duplication,
improper setting SW03
Malfunction of Drain
level control system
Malfunction of transmission
between remote and I.D unit
Malfunction of transmission
between I.D and O.D unit
sensor TA failure
Indoor ambient temp.
sensor TC1 failure
Indoor gas pipe temp.
Indoor liquid pipe temp.
sensor TC2 failure
EEPROM failure
source sensor failure
Indoor twin energy
Malfunction contents
The Flash Times of
Timing LED on the
LED5 on the PCB/
Wireless Receiver
Code
Malfunction
Malfunction Code indication by Wired Remote Controller
WIRING DIAGRAM OF INDOOR UNIT(AB18-48)
Swing Motor
Pump Motor
Float Switch
Electronic Expansion Valve
Transformer
Liquid Pipe Temperature Sensor
Gas Pipe Temperature Sensor
Ambient Temperature Sensor
P/G Motor
Description
Running Capacitor
Terminal Block (Power)
Terminal Block (Control)
Fusion (One-Off Protector)
Temperature Switch
Electronic Heater
Relay Unit
~
SM
G
6
6
3
45
3
45
2
2
1
1
5
5
EEV
1
1
2
3
2
3
4
4
Y/G
2
1
0010578436
3
7
8
5
6
4
10
20
9
P/G
~
RL
2
2
11
CN7
5
3
11
3
5
W
CN8
R
R
RC
W
CN9
1
R
1
2
1
2
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