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[2] PURY-P450, P500, P550, P600, P650YGM-A
DC Current Sensor
DC reactor (P
o
w
er f
actor impro
vement)
Magnetic contactor (In
ve
rter main circuit)
Magnetic contactor (No
.2 Compressor)
Ov
er
load rela
y (No
.2 Compressor)
Magnetic contactor (F
an motor)
Cr
ank case heater (Compressor)
Solenoid v
alv
e
(Discharge-suction b
ypass)
Thermistor
Discharge pipe temp
. detect
Pipe temp
.detect (He
x outlet)
O
A
temp
.detect
liquid outlet temp
.detect
at Sub-cool coil
Radiator panel temp
. detect
High pressure s
witch
High pressure sensor
Lo
w pressure sensor
Chok
e coil (T
ransmission)
Function de
vice
Ear
th ter
minal
Z20
L1, L2
63LS
63HS
63H1, 2
THHS1
TH7
TH6
TH5
TH11,12
Solenoid v
alv
e
(Heat e
xchanger capacity control)
SV5a, b
SV4a~d
SV1, 2, 3
4-w
a
y
v
alv
e
21S4a, b
CH11,12
F
an motor (Radiator panel)
MF3
52F
51C2
52C2
52C1
DCL1
DCCT1
A
CCT1
A
C
Current Sensor
Symbol
Name
< Symbol e
xplanation >
NO
TE:The brok
en lines indicate field wir
ing.
Compressor
ON/OFF
SHOR
T
OPEN
OPEN
SHOR
T
CN3D 1-2P
CN3D 1-3P
100%
0%
75%
OPEN
SHOR
T
SHOR
T
OPEN
OFF
ON
✻
1:
Function according to s
witch oper
ation.
(SW4-7,CN3D 1-2P
, and CN3D 1-3P)
50%
NIGHT
MODE
CN3D
1-2P
OFF
ON
SW4-7:OFF (Compressor ON/OFF
and NIGHT MODE)
CN3D
1-3P
SW4-7:ON (STEP DEMAND)
Break
ers f
or wir
ing
Break
ers f
or current leakage
PUR
Y-P550,600,650YGM-A
CENTRAL
CONTR
O
L
TRANSMISSION
LINE
INDOOR/
OUTDOOR
TRANSMISSION
LINE
PUR
Y
-P450,500YGM-A
75A
60A
P
o
w
er source
3N~
380/400/415V
50/60Hz
)
1
2
3
1
2
3
4
F
an motor
(Heat e
xchanger)
1
2
3
F
an motor
(Heat e
xchanger)
Motor
(Compressor)
1
2
3
1
1
9
14
14
1
9
1
shield
SNO
W
✻
1
or STEP DEMAND
Compressor ON/OFF
NIGHT MODE
1
2
3
1
2
3
CNTR
3
2
1
(T
ransf
or
mer)
5
4
3
2
1
1
2
3
4
5
6
1
2
3
4
5
CNR
T1
red
CNOUT1 y
e
llo
w
CNOUT2
12V
g
reen
SV3
SV 5b
3
2
1
CNA
C3
bl
a
c
k
SV 5a
5 4 3
2 1
13 14
95 96
52 C2
A2
A1
CNR
T2
1
2
3
4
5
CNOUT2
A2
A1
52F
1
2
3
4
CN51C2
51C2
52C2
CH12
CN05
MF2
MF1
CN04
U
V
W
U
V
W
U
V
W
52F
CN52C2 bl
u
e
CN52F y
e
llo
w
CNCH bl
u
e
1
2
3
1
2
3
1
2
3
bla
ck
white
red
(Compressor)
Motor
(G/A BO
ARD)
Gate amp board 1
MC2
F12
A
C660V
50A F
F11
A
C660V
50A F
SV 4a
CN13
TH12
4 3 2 1
bl
a
c
k
CNA
C1
bl
a
c
k
CNA
C2
3
2
1
3
2
1
1 2 3 4 5 6
CNIN
bl
u
e
CN02
bl
a
c
k
CN03
X4
X3
X2
X2
X1
X3
1 2 3
4
5
6
1
2
3 4 5 6
1 2 3 4 5 6 7
CNRS3B
CNINV
6 5 4 3 2 1
T
roub
le
Compressor ON/OFF
ON
OFF
1 2 3 4 5 6 7
CNRS3A
1 2 3 4 5 6 7 8
CN3S red
CNVCC1
CN51
CN3D
3 2 1
5 4 3 2 1
3 2 1
ON
ON
ON
OFF
OFF
SWU3
SW1
SW2
SW3
SW4
SW5
SWU2
SWU1
ON
OFF
ON
OFF
O
FF
1
1
10
1
10
1
10
1
10
10
Unit address setting
✻
1
CN52C
63H1
63H2
y
e
llo
w
SV 4d
CN38 g
reen
CN36
CN35 red
CN33
CN32
CNS2 bl
u
e
CNS1 bl
u
e
1
2
3
Z20
1
2
3
1
2
3
1
2
3
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
2 1
2
1
3
2 1
2 1
3
2 1
3
2 1
8 7 6 5 4 3 2 1
TH6
TH5
TH7
TH11
63LS
R22
63HS
R23
1 2 3
1
2 3
CN02
CNTYP1
red
CNL bl
a
c
k
CN01
CNTYP4
SV1
SV2
21S 4a
21S 4b
CNH
LD1
CNTYP5
52 C1
CN20
X01
X02
X03
X04
X05
X06
X07
X08
X09
X52
CN21
TB7
TB3
bl
u
e
F01
250V
A
C
6.3A T
F02
250V
A
C
6.3A T
1 2 3 4 5
1 2 3
(T
er
minal Bloc
k)
bl
a
c
k
red
C12
red
1 2 3 4
(Diode stac
k)
white
b
lac
k
4 3 2 1
CNDC2
IPM1
UV
M
MC1
AC
CT
-W
A
CCT
-U
A
CCT1
CNVDC
SW2
14
1 2
3
C11
R14
R13
R11
R12
(Noise Filter)
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
CNFG bl
u
e
1 2
1
2
L1
L2
1 2
CNL1
CNL2
CNOUT g
reen
CNIN
bl
u
e
0
1
2
1
2
3
4
5
6
CN34
CH11
red
SV 4c
CN15V1
CNDC1
bl
a
c
k
CNDR1
1 2 3 4
SV 4b
1 2 3 4 5 6 7 8
CNVCC1
1 2
3
4
5
CNA
C2
MF3
CNF
AN
red
1 4
1 6
ON
OFF
ON
OFF
3
2
1
CNFG
bl
u
e
1
2
CNCT2
bl
u
e
4 3 2 1
1 2 3 4
CNTH
X01
g
reen
THHS1
1 2 3 4 5 6 7
1 2 3 4
1 2
CNCT
CNRS1
CNDC2 bl
a
c
k
CN15V2
CNDR2
SW1
SW2
M1
M2
M2
S
M1
1 2 3
1
2
shield
F02
700VDC
2A T
bla
ck
white
red
red
white
bla
ck
detection
circuit
detection
circuit
detection
circuit
red
bl
a
c
k
L1
N
L2
L3
L1
N
L2
L3
L1
~
+
+
+
-
~
~
N
E
L2
L3
red
TB1
A
CNF1
DS1
ZNR14
C15
52C1
C14
P
N
DCL1
DCCT1
bl
u
e
white
bl
a
c
k
red
bl
u
e
51C2
52C2
WU
V
white
bl
a
c
k
F01
250V
A
C
2A T
Ref
er to the ser
vice handbook
about the s
w
itch oper
ations
.
CNRS2
1 2 3 4 5 6 7
In
v
e
rter controller bo
x
T01
P
o
w
er circuit board 1
(INV BO
ARD)
LED1 oper
ation
LED2 error
LED1 oper
ation
LED2 error
FIL
T
ER
BO
ARD
(F
AN BO
ARD)
RELA
Y
- BO
ARD2
RELA
Y - BO
ARD1
F
AN control board
(MAIN BO
ARD)
Control circuit board
PE