6. APPENDIX
6.1 Electrical diagrams
ENP1MSC
COMP
BLK
CC
CR
CS
CS
RED
C1
L
N
RED BLU
L
N
REMARKS:
1. AT: AIR TEMPERATURE SENSOR
2. COMP: COMPRESSOR
3. CT: EVAPORATOR TEMPERATURE SENSOR
4. EEV: ELECTRONIC EXPANSION VALVE
5. FM: FAN MOTOR
6. FS: WATER PRESENCE DETECTOR
7. HP: HIGH PRESSURE SWITCH
8. IT: WATER INLET TEMPERATURE SENSOR
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C2
BLK
BLU
CR
FM
WHT
RED
4V
OUT3
P1 P2
OUT4
OUT2
OUT5
AC-N
2
2
TC
12V
Controller
1
N
3
5
7
01
2
4
6
8
EEV
5
GND
AI06
OUT1
OUT2
GND
AI05
GND
AI04
GND
AI03
GND
AI02
GND
AI01
+5V
GND
FS
LP
HP
9. LP: LOW PRESSURE SWITCH
10. OT: OUTLET WATER TEMPERATURE SENSOR
11. SUT: ASPIRATION TEMPERATURE SENSOR
12. TC: TRANSFORMER 230V~ / 12V~
13. 4V: 4 WAYS VALVE
14. C1: COMPRESSOR CAPACITOR
15. C2: FAN MOTOR CAPACITOR
16. OUT2: DRY CONTACT 7 A MAX
5K
AT
t
AT
5K
CT
t
CT
5K
OT
t
OT
5K
IT
t
IT
5K
SUT
t
SUT
17