Appendix; Electrical Diagrams - Hayward ENPI11M Einbau- & Anleitungshandbuch

6. APPENDIX

6.1 Electrical diagrams

ENPI7M
K2
L N 1 2
Dry Contact
16A max
TO POWER
SUPPLY
220-240V~/50Hz
REMARKS:
AT: AIR TEMPERATURE SENSOR
COMP: COMPRESSOR
CT: EVAPORATOR TEMPERATURE SENSOR
EEV: ELECTRONIC EXPANSION VALVE
FM: FAN MOTOR
FS: WATER FLOW SWITCH
HP: HIGH PRESSURE SWITCH
IT: WATER INLET TEMPERATURE SENSOR
EP : DISCHARGE PROTECTION
20
N
1 3 5 7
01
2 4 6 8
4V
CN9
Pressure sensor
1 2 3 4
(PS)
t
EP
ET
K2
YEL
GND
RLY1
BLK
485B1
RED
CN2
485A1
12V
BLK
GND
YEL
485B2
CN8
WHT
485A2
RED
12V
t t t t t
Remote
ON/OFF
AT CT OT IT SUT HP LP FS
LP: LOW PRESSURE SWITCH
OT: OUTLET WATER TEMPERATURE SENSOR
SUT: SUCTION TEMPERATURE SENSOR
4V: 4 WAYS VALVE
OUT2: DRY CONTACT 16 A MAX
ET: DISCHARGE TEMPERATURE SENSOR
K2: OUT 2 RELAY
PS: PRESSURE SENSOR
REMOTE ON/OFF: REMOTE ON/OFF SWITCH
3
L
N
4 CON2
A B GND 12V
Controller
FM
RED BLK WHT
U V W
V
U W
COMP