N
1
N
2
1
1
4
5
6
3
2
1
3
2 1 5
N
2
L
TERMINAL
BOARD
LED BLINKING
NO
1
2
3
4
LED indication pattern Mulfunction part or abnormal condition
LED turns on
Slow flashing ( 1 time for 2 seconds)
Example : NO.2 Compressor lock
on
off
1.0sec 1.0sec 1.0sec0.6sec 0.6sec 0.6sec
Quick flashing ( 3 times for 2 seconds)
TERMINAL
BOARD
OUTDOOR UNIT
TERMINAL BOARD
G(Y)
G(Y)
BR
BL
RE
WH
RE
BK BL
OR
GN
THERMISTOR
COMP. TEMP.
TH1
CN1
WH
BK
RE
BL
YE
BL
FC1
YE
U V W
U(R)
V(S)
W(C )
COMPRESSOR
POWER
TRANSISTOR
MODULE (PM1)
TH2
TH3
RE
CONTROL BOARD UNIT
T1
T4
The voltage is high at C8, C9 (electronic capacitors) on outdoor unit.
For mentenance discharge at C8, C9 to prevent electric shock.
In case that WPE2 (protecter) has been fused, the voltage is kept high at C8, C9.
YE : YELLOW
GN : GREEN
BK : BLACK
BL : BLUE
BR : BROWN
GR : GRAY
RE : RED
WH : WHITE
OR : ORANGE
G(Y) : GREEN YELLOW
CAUTION
T5
T7
BR
OR
RE
WH
YE
T12
T6
T8
T14
T13
L1
L2
REACTOR
REACTOR
RE
GR
C7A
C6A
D4
D5
C8 C9
T9
T10
C6B
C7B
80µF
400V
235µF 250V
470µF
400V
470µF
400V
10A
250V
235µF 250V
80µF
400V
GR
WH
BL
BK
DB1
DB2
DIODE BRIDGE DIODE BRIDGE
BL
T2
C11
C2
C3
C1
C5
CT1
NR2
RY2
CNR2CNR1
CN3
CN6
C4
L3 L4
SA1 NR1
T11
T3
T15
WPE1
WPE2
WPE3 3A 250V
13A
250V
FAN
MOTOR
4 WAY
VALVE
COIL
FAN
MOTOR
CAPACITOR
2µF 430V
THERMISTOR
PIPE TEMP.
THERMISTOR
AIR TEMP.
UNIT TO UNIT CORD
SINGLE PHASE
220-240V 50/60Hz
LED INDICATION OF SELF-DIAGNOSIS
ON OUTDOOR UNIT
FAN
MOTOR
CONTROL BOARD
UNIT
INDOOR UNIT
+
–
+
–
+ +
+
–
+
–
–
–
RY1
Normal
Abnormal signal line
Compressor lock
Overheat of the compressor
Power module (PM1) abnormality
NO
6
5
7
8
LED indication pattern Mulfunction part or abnormal condition
Short circuit of the thermistor
Open circuit of the thermistor
AC abnormal current
AC overcurrent
9 4 WAY VALVE error
NO.3 Overheat of the compressor
1.0sec 1.0sec0.6sec 0.6sec 0.6sec0.6sec
Figure W-4. Wiring Diagram for AE-X108E
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