Electrical Wiring Diagram - Mitsubishi Electric PEH-P8MYA Technical & Service Manual

5 ELECTRICAL WIRING DIAGRAM

(1) Indoor Unit
• Models PEH-P8MYA/P10MYA
REMOTE CONTROLLER
REMOTE CONTROLLER
BOARD
T B 6
CIRCUIT BREAKER
(FIELD SUPPLY)
T B 2 5 2 F
PEH-P8,10MYA:15A
L 1
RED
POWER SUPPLY
L 2
WHITE
3N~PE
L 3
BLACK
380/400/415V
N
50Hz
PE
PE PE
T B 5
1
2
PE
INLET
DUCT
PE
OUTLET
DUCT
INDOOR UNIT
SYMBOL
MF1 FAN MOTOR (INDOOR)
51F OVER CURRENT RELAY (INDOOR FAN MOTOR)
52F CONTACTOR (INDOOR FAN MOTOR)
49F INTERNAL THERMOSTAT (INDOOR FAN MOTOR)
TB2, 4, 5 TERMINAL BLOCK
TH1
TH2 THERMISTOR PIPE TEMP. (0˚C/15kΩ, 25˚C/5.4kΩ)
TH5
F1 FUSE (4A 250VAC CLASS T)
ZNR VARISTOR
X4-6 AUXILIARY RELAY (INDOOR CONTROLLER BOARD)
SW1 SWITCH (MODEL SELECTION)
SW2 SWITCH (CAPACITY CORD)
SWE SWITCH (EMERGENCY OPERATION)
LED1 LED (POWER SUPPLY : INDOOR CONTROLLER BOARD)
LED2 LED (POWER SUPPLY : REMOTE CONTROLLER)
LED3 LED (TRANSMISSION : INDOOR-OUTDOOR)
CR SURGE KILLER
CN03, CN21, 2D
CN20-22, 29, 32 CONNECTOR (INDOOR CONTROLLER BOARD)
CN41, 90, FAN
CN01, 02, 2S CONNECTOR (INDOOR POWER BOARD)
C01, 02, 12 CONNECTOR (FAN MOTOR)
FB FERRITE CORE
CN
LCD
INDOOR UNIT [PEH-P8, P10MYA]
C0 C02
PE
(WHITE) (RED)
5 1 F
(50Pa) (150Pa)
1 2
MF1
2 3
3 1
INDOO
1
1
CN2 CONTROLLER
2
2 CN41
3
1
4
1
CN2
2
1
2
CN3
CN29
3 2
1
1
2
CN21
CN9
3 2
4
L E D 1
1
CN20
5
2
L E D 2
6
7
L E D 3
8
9
2 1
CN2
5 3 1
CN03
D C 14V
F B
C R
INDOO
POWER BOARD
CN01
1
1 2 3
2
3
CN2S
F1
CN02
D C 14V
1
DC
ZNR
2
14V
NAME
ROOM TEMP. (0˚C/15kΩ, 25˚C/5.4kΩ)
COND./EVA. TEMP. (0˚C/15kΩ, 25˚C/5.4kΩ)
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
T H 1
If a trouble occurs with either the remote controller
T H 2
or the indoor microcomputer and no other trouble
T H 5
exisits, emergency operation for cooling or heating
5 4 3 2 1
can be performed by changing the setting of switch
ON
OFF
(SWE) on the indoor controller board.
SW
4 3 2 1
6. SW2 is shown PEH-P10MYA setting.
ON
In case of PEH-P8MYA setting is shown as below.
OFF
SW
ON
SW
OFF
X4 X5 X6
X4 X5 X6
Caution:
1. To protect fan motor from abnormal current,over
7 5 3 1
current relays is installed.
FAN
Therefore, do not change factory set value of over
current relays.
52F
1 C12
4 9 F
3
5 1 F
TO OUTDOOR
CONNECTING
T B 4
S 1 (POLER)
S 2
S 3
POWER
3N~
380/400/415V
OUTDOOR UNIT
SYMBOL
TB3
REMOTE CONTROLLER
SYMBOL
TB6
–19–
4 3 2 1
ON
OFF
SW2
OUTDOOR UNIT
T B 3
S1
S2
S3
T B 1
L1
L2
L3
N
PE
NAME
TERMINAL BLOCK
NAME
TERMINAL BLOCK