- 25 -
WIRING DIAGRAMS
INLET
DUCT
OUTLET
DUCT
CR
POWER SUPPLY
~PE
220/230/240V
50HZ
CIRCUIT BREAKER
(FIELD SUPPLY)
PEH-7,8MYB-EU :15A
51F
INDOOR
POWER BOARD
INDOOR
CONTROLLER BOARD
REMOTE CONTROLLER
BOARD
TO OUTDOOR UNIT
CONNECTING WIRES
(POLER)
FERRITE CORE
FB
AUXILIARY RELAY
X1-1,X2-1
SYMBOL
MF1
51F
INDOOR UNIT
52F
TB2,4,5
TH6
TH4
TH5
LED2
LED3
LED1
SWE
SW2
SW1
X4-6
ZNR
F1
CR
CONTACTOR (INDOOR FAN MOTOR)
SURGE KILLER
SWITCH(EMERGENCY OPERATION)
SWITCH(CAPACITY CORD)
SWITCH(MODEL SELECTION)
COND./EVA.TEMP ( 0
°
C/15k
Ω
.25
°
C/5.4k
Ω
)
LED (TRANSMISSION :INDOOR.OUTDOOR)
LED (POWER SUPPLY :REMOTE CONTROLLER)
LED (POWER SUPPLY :INDOOR CONTROLLER BOARD)
AUXILIARY RELAY(INDOOR CONTROLLER BOARD)
VARISTOR
FUSE(4A 250VAC CLASS T)
PIPE TEMP ( 0
°
C/15k
Ω
.25
°
C/5.4k
Ω
)
THERMISTOR
ROOM TEMP ( 0
°
C/15k
Ω
.25
°
C/5.4k
Ω
)
TERMINAL BLOCK
OVER CURRENT RELAY (INDOOR FAN MOTOR)
FAN MOTOR (INDOOR)
NAME
CN03,CN2L,2D
CN20-22,29,32
CN41,90,FAN
CONNECTOR(INDOOR CONTROLLER BOARD)
CN01,02,2S
CONNECTOR(INDOOR POWER BOARD)
C01
CONNECTOR(FAN MOTOR)
51F
FB
PE
PE
PE
PE
PE
ORANGE
X1-1
X2-1
BLUE
VIOLET
WHITE
52F
X1-1
X2-1
GRAY
4
X2-1
X1-1
MF1
2
1
C01
C01
5
6
C
BROWN
RED
ON
OFF
SWE
ON
OFF
ON
OFF
SW1
SW2
5 4 3 2 1
4 3 2 1
BLUE
RED
S3
S2
S1
TB3
OUTDOOR UNIT
52F
10
S1
PE
1
2
CN20
TH6
2
1
2
1
4
3
2
1
7
8
9
4
5
6
3
3
1
2
1
2
1
2
1
2
1
2
CN
DC
14V
X6
X5
X4
LED3
LED2
LED1
INDOOR UNIT CONTROL BOX
[PEH-7,8MYB-EU]
REMOTE CONTROLLER
CN2S
DC14V
1
2
TB4
S2
S3
TB5
TB6
TB2
TH5
TH4
CN02
CN01
1
ZNR
1
3
2
2
3
F1
LCD
X6
X5
X4
3
FAN
7
5
1
3
CN03
1
5
CN2D
DC14V
2 1
CN21
CN29
CN41
CN32
CN22
CN2L
CN90
N
L3
L2
L1
OUTDOOR UNIT
TERMINAL BLOCK
NAME
SYMBOL
SYMBOL
NAME
REMOTE CONTROLLER
TB6
TERMINAL BLOCK
TB3
Note:1. The dotted lines show field wiring.
2. Color of earth wire is yellow and green twisting.
3. Specification subject to change without notice.
4. Indoor and outdoor connecting wires are made with polarities,
make sure matching wiring and terminal.
5. Emergency operation If a trouble occurs with either the remote
controller or the indoor microcomputer and no other trouble exisits,
emergency operation for cooling or heating can be performed by
changing the setting of switch (SWE) on the indoor controller
board.
Caution,
1. To protect fan motor from abnormal current,over current relays is
installed.
Therefore, do not change factory set value of Over current relays.
PEH-7,8MYB