Mitsubishi Electric PEH-P8MYA Technical & Service Manual page 22

• Models PEH-P16,20MYA
X2
CR
RED
X1
52F
5
49F
CIRCUIT BREAKER
(FIELD SUPPLY)
TB2
52F 51F
PEH-P16,20MYA :15A
L1 RED
POWER SUPPLY
L2 WHITE
3N~PE
380/415V L3 BLACK
50HZ
N
PE
1
CN2L
2
PE
TB5
PE
1
1
2 CN22
2
1
REMOTE CONTROLLER
2
3
4
REMOTE CONTROLLER
BOARD
5
6
CN
7
TB6
LCD
8
9
2 1
CN2D
DC14V
FB
PE
INDOOR
INLET
POWER BOARD
(No.1)
DUCT
PE
CN2S
OUTLET
DC14V
DUCT
1
2
1
CN2L
2
1
CN22
2
1
2
3
4
5
6
7
8
9
2 1
CN2D
DC14V
FB
INDOOR
POWER BOARD
(No.2)
CN2S
DC14V
1
2
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)
TB2,4-1,4-2,5
TERMINAL BLOCK
TH1-1,1-2
TH2-1-2-2 THERMISTOR
TH5-1,5-2
FUSE(4A 250VAC CLASS T )
F1
VARISTOR
ZNR
AUXILIARY RELAY
X1,2
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)
LED (TRANSMISSION :INDOOR - OUTDOOR)
LED3
CR
SURGE KILLER
CN03,CN2L,2D
CONNECTOR(INDOOR CONTROLLER BOARD)
CN20-22,29,32
CN41,90,FAN
CN01,02,2S
CONNECTOR(INDOOR POWER BOARD)
FB
FERRITE CORE
51F
BLUE
4 C01
PE
C01
TH1-1
TH2-1
1
MF1
2
TH5-1
3
5
INDOOR
1
CONTROLLER BOARD
2
CN41
(No.1)
3
4
1
2
1
CN32
CN29
3
2
1
CN21
CN90
2
LED1
1
CN20
2
LED2
LED3
5 3 1
CN03 FAN
CN01
1
1 2 3
2
3
F1
CN02
DC
ZNR
14V
5
INDOOR
1
CONTROLLER BOARD
2
CN41
(No.2)
3
1 4
2
1
CN32
CN29
3
2
1
CN21
CN90
2
LED1
1
CN20
2
LED2
LED3
5 3 1
CN03 FAN
CN01
1
1 2 3
2
3
F1
CN02
DC
ZNR
14V
INDOOR UNIT CONTROL BOX
NAME
ROOM TEMP ( 0°C/15kΩ, 25°C/5.4kΩ)
PIPE TEMP ( 0°C/15kΩ, 25°C/5.4kΩ)
COND./EVA.TEMP ( 0°C/15kΩ, 25°C/5.4kΩ)
4 3 2 1
ON
OFF
SW1
4 3 2 1
ON
OFF
SW2
ON
SWE
OFF
X4 X5 X6
X4 X5 X6
7 5 3 1
OUTDOOR UNIT
TO OUTDOOR UNIT
CONNECTING WIRES
X1
TB4-1
(POLAR)
S1
S2
S3
TH1-2
TH2-2
TH5-2
4 3 2 1
ON
OFF
SW1
4 3 2 1
ON
OFF
SW2
ON
SWE
OFF
X4 X5 X6
X4 X5 X6
7 5 3 1
OUTDOOR UNIT
TO OUTDOOR UNIT
CONNECTING WIRES
X2
TB4-2
(POLAR)
S1
S2
S3
OUTDOOR UNIT
TB3
REMOTE CONTROLLER
TB6
–20–
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 re-
mote controller or the indoor micro-
computer and no other trouble exisits,
emergency operation for cooling or
heating can be performed by changing
(No.1)
TB3
the setting of switch (SWE) on the in-
S1
S2
door controller board.
S3
6. SW2 is shown PEH-P20MYA setting.
(2 places)
In case of PEH-P16MYA setting is
shown as below.
4 3 2 1
SW2
Caution:
1. To protect fan motor from abnormal
current,over current relays is installed.
Therefore, do not change factory set
(No.2)
value of over current relays.
TB3
S1
S2
S3
SYMBOL NAME
TERMINAL BLOCK
SYMBOL NAME
TERMINAL BLOCK
ON
OFF