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Wiring diagram
Technical specification
79
S30-3P-OU/S40-3P-OU/SXX-IU
78
S30-3P-OU/S40-3P-OU
CN9
485B1
GND
3
RLY1
OUT
2
OUT
3
AC-N1
OUT
4
OUT
5
485A1
12V
CN2
+12
V
+5
V
0~
10
V-
O
U
T
PWM
-O
U
T
AI1
2
AI/D
I1
1
AI/D
I1
0
AI/D
I0
9
PW
M
-IN
AI/D
I0
8
AI/D
I0
7
AI/D
I0
6
AI/D
I0
5
AI/D
I0
4
AI/D
I0
3
AI/D
I0
2
AI/D
I0
1
0~5V
-IN
PC1002
485A2
12V
CN8
485B2
GND
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
G
N
D
R
N
2
FS
LP
LP
H
P
H
P
LP
HP
IT
O
T
CT
CT
t
5K
CT
A
T
A
T
t
5K
AT
4V
K2
ET
YEL
BLK
WHT
RED
N
t
50
K
4
ET
ET
K1
SUT
SU
T
SU
T
t
5K
EE
V
5
R S
T N
R
S
T
N
RE
D
BL
K
W
H
T
BL
U
TO POWER SUPPLY
380-415V/3N~/50Hz
Y/
G
KM1
R S
T N
KM2
N
TO PUMP
P1
P2
P3
N
KM2
L3(C)
L2(B)
L1(A)
11
14
12
PM
N
N
2
R
K2
N
R
S
T
N
T
S
Remote ON/OFF
1
3
2
4
5
6
7
8
N
R
01
N
6.
8K
KM1
R
S
T
3
COMP
U V W
RE
D
BL
K
W
H
T
L1
L2
L3
U
1
V1
W
1
N
FM
C1
RED
BLK
BLU
RED
RE
D
W
H
T
YE
L
BL
K
OR
G
GR
E
BL
U
TO INDOOR UNIT
KM1
R1
CH
PH
M
TS
H
C
R
R
N
1
3
2
4
5
6
7
8
R
02
N
N
N
N
R
T S
R
S
T
N
N
N
4V
N
4V
R
R
R
R
R
K1
KM1
Contactor of compressor
SUT
Suction temperature
AT
Ambient temperature
COMP
Compressor
CT
Coil temperature
FM
Fan motor
LP
Low pressure protection
HP
High pressure protection
ET
Exhaust temperature
4V
4 way valve
KM2
Contactor of pump
EEV
Electronic expansion valve
CH
Crankcase heater
MTS
Mechanical thermal switch
PH
Pan heater
IT
Inlet water temperature
OT
Outlet water temperature
SXX-IU
FS
:
Flow switch
IT
:
Inlet water temperature
OT
:
Outlet water temperature
1
2
3
4
5
E
t
5K
t
5K
FS
TO OUTDOOR UNIT
RED
O
T
BLK
YE
L
WH
T
4
FS
IT
O
T
IT
YE
L
WH
T
Y/
G
IT
O
T
Controller
RED
Y/
G
FS
FS
RED
WH
T
YE
L
OR
G
GR
E
BLU
BLK
6
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