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6.APPENDIX
Wiring Diagram:
6.2
K2
BLK WHT
Y/G
L1 L2
1
2
TO POWER
TO PUMP
SUPPLY
240V
208-230V~/60Hz
AT Ambient temperature
COMP Compressor
CT Coil temperature
EP Exhaust protection
EEV Electronic expand valve
ET Exhaust temperature
FM Fan motor
FS Flow switch
HP11 High pressure protection(4.0MPa)
HP12 High pressure protection(4.4MPa)
IT Inlet water temperature
KM1 Contactor of high pressure
K2 Relay of pump
LP Low pressure protection
OT Outlet water temperature
SUT Suction temperature
4V 4 way valve
19
HP12
KM1
K2
1
3
5
L1
7
L2
01
2
4
6
8
4V
CN9
t
t
t
t
AT
CT
OT
IT
SUT
t
ET
EP
YEL
GND
RLY1
BLK
485B1
RED
CN2
485A1
12V
BLK
GND
YEL
485B2
4
CN8
WHT
485A2
RED
12V
CN13
Controller
t
HP11
LP
FS
Remote
ON/OFF
KM1
Y/G
CON2
Y/G
FM
RED BLK WHT
V
U
W
V
U
W
Y/G
COMP
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