Specifications
14
•PFAV-P250, 500VM-E
4. Electrical wiring diagram
(1) Standard type
Terminal bed(Indoor unit)
Liquid crystal monitor
Remote controller board
TB6
LCD
R.B.
Remote controller
Inside section of control box
Indoor/Outdoor
transmission line
Power supply
3N~
380/400/415V
50/60Hz
SWE
SWC
SW8
SW5
TH21 Thermistor(Supply air temp. detection)
Thermistor(Piping temp. detection/liquid)TH22
TH23
Auxiliary relay(Fan)X4
Switch
SW4
SW3
SW2
SW11
SW12
SW14
SW1
SW7
Thermistor(Piping temp. detection/gas)
(1st digit address set)
Switch
(Connection No. set)Switch
(For model selection)Switch
(For mode selection)Switch
(For capacity code)Switch
(For mode selection)Switch
(For model selection)Switch
(For four stages demand selection)Switch
(For trial run)Switch
(For mode selection)Switch
(For trial run of fan)Switch
CN28 Connector(Fan failure)
Over current relay(Fan motor)
Contactor (Fan motor)
Electronic linear expan. valve 1
Transformer
Varistor
Fuse<6.3A>
MA Remote controller terminal bed
Transmission terminal bed
Power source terminal bed
Fan motor
Symbol
Symbol explanation
TB15
51F
52F
LEV1
T
ZNR
F
TB5
TB2
M
Connector(Defrost output)CN33
NameSymbol
LEV2 Electronic linear expan. valve 2
(2nd digit address set)
Name
2
313 13
CN33
T
52F
ZNR
F
X06
1
1
1
CNT
CND
X4
2
1
2
11
M
CN28
3
2
1
CN20
CN21
321
X4
CN29
CN3T
CN60
CN31
R.B.
TB6
LCD
TB5
(Shield)
2
1
1
3
51F
52F
X05
X04
7
2
1
CN3A
M1
S
M2
35
CN90
CN2M
Indoor controller board
1
2
51F
CN7V
9
5
TH23TH22TH21
TB15
L2
L1
L3
TB2
1234567
123456
123456
LEV1
M
3
~
Fan motor
1
2
3
4
5
6
7
8
0
8
7
6
5
4
3
2
1
0
9
1
2
3
4
5
6
7
8
9
0
9
A
B
C
D
E
F
SW11
SW12
SW14 SW8 SW5 SWC
SWE
SW1 SW3 SW2 SW7 SW4
N
❈ P250
❈
P500
1234567
LEV1
654321
CN7V CN60
M
LEV2
654321 654321
M
t˚t˚t˚
Earth
U
Note: 1. (Heavy dotted line):Field wiring
2. Have all electric work done by a licensed electrician
according to the local regulations.
3. Earth leakage circuit breaker should be set up on the
wiring of the power supply.
4. Mark indicates terminal bed, connector.
5. Auto-restart function from power failure can be turned
on by setting SW1-9 dip switch to its ON position.
(Note:This function is not set to ON from the factory.)