6. APPENDICES
6.1 Wiring diagrams
R S T N
KM1
380-415V/3N/50Hz
power supply
RED BLK WHT
Y/G
U
Y/G
1 2 3
Dry contact
7 A maxi
COMMENT:
AT: AIR TEMPERATURE SENSOR
COMP: COMPRESSOR
CH: CRANKCASE HEATER
CT: EVAPORATOR TEMPERATURE SENSOR
FM: FAN MOTOR
FS: WATER DETECTOR
HP: HIGH-PRESSURE SWITCH
16
KM1
CH
C1
BLK
BLU
BLK
Y/G
FM1
FM2
V
W
RED
RED
3
COMP
4V
OUT3
OUT4
OUT5
AC-N
2
TC
12V
1
3
5
7
N
N
01
2
4
6
8
C2
BLU
Y/G
KM1
OUT1
PC1001
2
3
FS
Controller
WI I F
IT: WATER INLET TEMPERATURE SENSOR
KM1: CONTACTOR OF COMPRESSOR
LP: LOW-PRESSURE SWITCH
OT: WATER OUTLET TEMPERATURE SENSOR
PM: PHASE MONITOR
TC: TRANSFORMER 230V / 12V
4V: 4 WAY VALVES
: OPTION
HGS22T / HGS24T
1
F
3
5
7
R
03
2
4
6
8
11
L1(A)
14
L2(B)
12
L3(C)
PM
GND
OUT2
GND
GND
GND
GND
GND
+5V
GND
HP
LP
AI06
5K
AT
t
AT
AI05
5K
CT
t
CT
AI04
5K
OT
t
OT
AI03
5K
IT
t
IT
AI02
6.8K
AI01