6. APPENDIX
6.2 Wiring Diagram
COMP
BLK
CC
CR
CS
RED
WHT
C1
KM1
BLK WHT
L1 L2
1
TO POWER
TO PUMP
SUPPLY
208-230V~/60Hz
AT Ambient temperature
COMP Compressor
CT Coil temperature
EEV Electronic expand valve
FM Fan motor
FS Flow switch
HP High pressure protection
IT Inlet water temperature
KM1 Contactor of compressor
LP Low pressure protection
OT Outlet water temperature
SUT Suction temperature
TC Transformer
4V
4 way valve
HP50A
C2
BLK
BLU
FM
RED
4V
2
OUT3
OUT4
OUT5
AC-N
2
TC
12V
1
3
5
7
L2
L2
01
2
4
6
8
KM1
OUT1
OUT2
PC1000
2
FS
LP
Controller
EEV
5
AT
GND
AT
T5
CT
GND
CT
T4
OT
GND
OT
T3
IT
GND
IT
T2
SUT
GND
SUT
T1
HP
5K
t
5K
t
5K
t
5K
t
5K
t
13