– 25 –
TROUBLESHOOTING GUIDE
R
S
C
R W
COMPRESSOR
B
CAPACITOR
30μF 400VAC
BL
G/Y
↓INDOOR UNIT
1
2
3
4
TERMINAL
BLOCK
MOTOR(FAN)
W
W
4-WAY
VALVE
BL
EARTH
TERMINAL
W
BR
B
CAPACITOR
1.5μF 440VAC
WIRING DIAGRAM
TAG-A28EW
TAG-A20EW
TAG-A32EW
↓ INDOOR UNIT
W
BL
R
S
C
R
OHR
W
G/Y
CAPACITOR
(1.2μF 400VAC)
COMPRESSOR
4-WAY
VALVE
B
W
CAPACITOR
(23μF 400VAC)
BR
BL
B
W
MOTOR(FAN)
B
EARTH
TERMINAL
TERMINAL
BLOCK
1
4
2
3
B
BL
BR
G
:BLACK
:BLUE
:BROWN
:GREEN
TAN-A20EW, TAN-A28EW, TAN-A32EW
P
MOTOR
(LOUVER)
SENSOR
(TEMP.,HEAT
EXCHANGER)
B
B
SENSOR
(TEMP.,ROOM)
BL
MANUAL SWITCH
PCB
(RECEIVER
&DISPLAY)
MOTOR(FAN)
B
Y
R
BL
TRANSFORMER
R
R
BL
BL
W
↓
OUTDOOR UNIT
TERMINAL
BLOCK
PCB
(CONTROLLER)
S
FUSE(2.0A)
EARTH
TERMINAL
POWER
SOURCE
G/Y
B
BR
B
BR
R
BL
4 3
W
2 1
W
R
W
Y
:RED
:WHITE
:YELLOW
TAN : INDOOR UNIT
TAG : OUTDOOR UNIT
CAPACITOR
25μF 370VAC
CAPACITOR
1.5μF 440VAC
B
B
BR
W
COMPRESSOR
EARTH
TERMINAL
BL
W
R
C S
4-WAY
VALVE
W
R
W
MOTOR(FAN)
TERMINAL
BLOCK
4
3
2
1
↓INDOOR UNIT
G/Y
BL