6.APPENDIX
6.2 Wiring Diagram
Y/G
COMP
WHT
CC
CR
CS
RED
BLK
C1
C2
KS
1
2
2
KS
5
L22
L22
KM1
L1
L1
L1
L1
L1
L2
L1
BLK WHT
Y/G
L1 L2
TO PUMP 240V
TO POWER SUPPLY
208-230V~/60Hz
AT Ambient temperature
COMP Compressor
CH Compressor heater
CT Coil temperature
EEV Electronic expand valve
FM Fan motor
FS Flow switch
HP11 High pressure protection( 4.0Mpa)
HP12 High pressure protection( 4.4Mpa)
IT Inlet water temperature
KS Relay coil of compressor start
K1 Relay coil of compressor
KM1 Contactor of compressor
OT Outlet water temperature
LP Low pressure protection
SUT Suction temperature
TC Transformer
4V
4 way valve
19
L22
L22
C3
BLK
Y/G
FM
RED
4V
1
2
3
TC
3
5
1
L2
L2
01
6
2
4
BLU
HP12
K1
KM1
OUT3
OUT1
OUT4
OUT5
AC-N
2
2
3
FS
12V
Controller
K1
7
8
CH
EEV
5
OUT2
+5V
GND
4
5
LP
HP11
REMOTE IN
GND
AI06
5K
AT
GND
t
AT
AI05
5K
CT
GND
t
CT
AI04
5K
OT
GND
t
OT
AI03
5K
IT
GND
t
IT
AI02
5K
SUT
GND
t
SUT
AI01