Distinction PASRW030-BP2 - Page 63

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6. APPENDIX
6.3 Circuit diagram of the unit
CN9
485B1
GND
3
RLY 1
OUT 2
OUT 3
AC -N1
OUT 4
OUT 5
485A1
12V
CN2
PC1002
485A2
12V
CN8
485B2
GND
L
L2
A BGND12V
YEL
RED
BLK
COMP
U
W
V
L1
L2
L1
L2
L2
EEV
5
4V
L2
L2
4V
1
3
24
5
6
7
8
01
K2
L2
L2L2
L2
FM
YEL BLK
WHT
RED
CON 1
K2
L2
K2
4
3
TO POWER
SUPPLY
208-230V ~/60Hz
L1 L2
1
2
P
L2
L1
L2
BLK
WHT
U
V
W
L1
L1
L1
L1
L1
L22
L1
L
HP12
L2
L2
Y/G
K2
Y/G
Y/G
4
RED
BLK
WHT
AT˖Ambient temperature
COMP ˖Compressor
CT˖Coil temperature
FM˖Fan motor IT˖Inlet water temperature LP˖Low pressure protection
OT˖Outlet water temperature
FS˖Flow switch HP11˖High pressure protection (4.0MPa) SUT˖Suction temperature
EEV ˖Electronic expand valve
ET˖Exhaust temperature
4V ˖4 way valve
KM1˖Contactor of high pressure
K2˖Relay of pump
HP12˖High pressure protection (4.4MPa)
EP˖Exhaust protection
ET
ET
t
50K
EP
ET
EP
EP
3456
3
6
FS
FS
FS
LP
LP
HP11
HP11
LP
HP11
SUT
SUT
SUT
IT
IT
IT
OT
OT
OT
CT
CT
CT
AT
AT
AT
+12V
+5V
0~10V-OUT
PWM -OUT
AI12
AI/DI11
AI/DI10
AI/DI09
PWM -IN
AI/DI08
AI/DI07
AI/DI06
AI/DI05
AI/DI04
AI/DI03
AI/DI02
AI/DI01
0~5V -IN
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
t
5K
t
5K
t
5K
t
5K
t
5K
GND
485A3
12V
485B3
CN13
6.8K
3
6
Y/G
KM1
KM1
YEL 485B-
BLK GND
RED 12V
WHT 485A+
Controller
Dry Contact 16A max
Remote
ON/OFF
2
1
1
2
1
2
PASRW030/040/050-BP2