14
PUHY-P500YGM-A (Connected with PFD series)
*1
*1
black
white
red
LEV1
NOTE:The broken lines indicate field wiring.
ON/OFF
Compressor
SHORT
CN3D
1-2P
1-3P
CN3D
OPEN
ON
OFF
OPEN
SHORT
ON
OFF
NIGHT
MODE
*1: Function according to switch operation.
(SW4-7,CN3D 1-2P,and CN3D 1-3P)
SW4-7:OFF (Compressor ON/OFF
and NIGHT MODE)
Gas pipe temp.detect (Hex outlet)
TH2
Magnetic contactor(Fan motor)
52F
Overload relay(No.2Compressor)
51C2
Magnetic contactor(No.2Compressor)
52C2
DC Current Sensor
DCCT
<Symbol explanation>
Symbol
Name
ACCT
DCL
52C1
MF3
CH11,12
21S4a,b,c
SV1,3
SV5b,c
LEV1
TH11,12
TH5
TH6
TH7
TH8
THHS1
63H1,2
63HS
63LS
L1,L2
Z20
AC Current Sensor
DC reactor (Power factor improvement)
Magnetic contactor (Inverter main circuit)
Solenoid valve (Discharge-suction bypass)
Solenoid valve (Heat exchanger capacity control)
Electronic expansion valve (SC coil)
Fan motor (Radiator panel)
Crank case heater(Compressor)
4-way valve
Thermistor
Discharge pipe temp. detect
Pipe temp.detect(Hex outlet)
OA temp.detect
liquid outlet temp.detect at Sub-cool coil
bypass outlet temp.detect at Sub-cool coil
Radiator panel temp. detect (Compressor)
High pressure switch
High pressure sensor
Low pressure sensor
Choke coil(Transmission)
Function device
Earth terminal
THHS5
Radiator panel temp. detect(Fan)
Motor
(Compressor)
Fan motor
(Heat exchanger)
Fan motor
(Heat exchanger)
black
white
red
Motor
(Compressor)
black
white
red
white
blue
white
red
power selection
connector
detection
circuit
detection
circuit
detection
circuit
Inverter controller box
red
white
black
CNH
CNL black
1
63HS
63LS
33
2
black
white
red
2
2
3
1
123
1
black
red
DS
(Diode stack)
black
white
red
Function setting
LED1 operation
LED2 error
Power circuit board
Gate amp board
Filter board
T01
(Transfomer)
LED1 operation
LED2 error
FAN control board
Compressor ON/OFF
Trouble
Compressor ON/OFF
NIGHT MODE
SNOW
Refer to the service handbook
about the switch operations.
Address setting
Function setting
Maintenance
setting
Control circuit board
TB3
(Terminal Block)
TB7
(Terminal Block)
TB1
(Terminal Block)
ACNF
(Noise Filter)
M2
M1
M2
M1
shield
shield
CENTRAL CONTROL
TRANSMISSION LINE
INDOOR/OUTDOOR
TRANSMISSION LINE
Power source
3N
~
380/400/415V
50/60Hz
L3
N
L1
L2
blue
black
white
red
blue
N
1
9
2
1
9
1
5 6
10
9
14
13
10
14
13
9
6
5
1 2
black
red
red
black
10
1
SW5
OFF
OFF
ON
OFF
ON
OFF
OFF
ON
ON
ON
LD1
SW4
SW3
S
W2
SW1
10
1
10
1
10
1
10
1
DCCT
L3
L2
1
2
S
F12
AC660V
50A F
F11
AC660V
50A F
red
white
black
U
17
W
V
MC2
1
1
3
2
1
F01
250VAC
2A T
CNAC2
CNCT
1
2
N
R2
C1
C2
R1
R4
R3
CNDC1
black
CN15V1
CNDR1
CNDC2
ACCT-W
ACCT-U
ACCT
CNDR2
F02
700VDC
2A T
CN15V2
THHS1
CNTH
green
CNFG
blue
CNDC2
CNCT2
blue
CNVCC1
CNFAN
red
CNRS1
CNL1
CNL2
CNFG
blue
CNIN
blue
CN41
CNOUT
green
CNINV
CN21
blue
CNS1
blue
CN20
F02
250VAC
6.3A T
CN40
F01
250VAC
6.3A T
CNVDC
CNS2
blue
CNRS3B
CNVCC1
CNRS3A
CN51
CN3S
red
8
2 1 0
SWU3
SWU1
SWU2
CN52C
yellow
CN32
CN33
CN34
red
CN36
CN35
green
CNTYP5
CNTYP4
R23
R22
CN01
TH11
CNTYP1
red
black
CNTR
CNRS2
4
Z20
L3
3
2
8
1
1
8
51C2
6
4
2
red
34
12
U
4
3
MF2
3
X09
L1
52C1
DCL
N
IPM
P
C4
MC1
V
X52
U
E
C5
ZNR4
X01
1
8
W
2
3
2
X07
1
CNRT1
1
CN13
TH12
52
C1
5
1
3
2
1
7
32
14
56
12V
4
3
1
21
3
21
21
2
7
1
5
4
3
12
3
2
1
1
L3
L2
4
4 5
3
1 2
CN3D
2
3
1
3
1
X03
1
3
2
1 2 3
X02
X08
W
V
L1
U
L2
L3
63H1
52F
51C2
2 3 4
1
3
2
L1
12
12
1
8
5 6
1
X05
X06
9
4
6
3
14
2
1
1
4
4
SW1
OFF
2
4 3
1
ON
6
3
41
2
2
W
SW2
OFF
1
ON
4
V
1
2
5
34
12
2 1
3
4
1
1
4
L2
3
CN02
2
1
7
8
CNOUT2
5
6
3
2
CNRT2
CNCH
CN52F
CN51C2
4
5
3 2 1
5432
2
11
7
6
X2
X3
5
4
X1
1
1
1
3
2
2
7
CN52C2
blue
3
5
4
3
2
52
C2
1
3
1 2
52C2
TH5
TH6
TH7
21S
4a
SV1
SV3
PE
A1 A2
gray yellow
CH12
A2 A1
13 14
brown purple
red
orange
63H2
red
95 96
white black
52C2
21S
4c
V
W
6
CNOUT1
yellow
2
1
3
2
1
3
3
2
1
CN05
SV
5c
CN04
52F
blue
A2
L1
L2
3
21
Relay board
orange yellow
red
brown
THHS5
4
A1
7
4
1
CNTH
green
4
2
1
3
2
1
X01
+
+
~
~
–
~
+
black
MF3
CNLVB
red
SV
5b
CNAC3
2
1
TH8
red
white
21S
4b
CH11
3
2
1
MF1
W
V
U
3
2
1
1
3
2
LD2
1
U
CN38
5
3
black
2
2
yellow
L1
