Appendix; Electrical Diagrams - Hayward ENERGYLINE PRO ENPI4MA Installation Instructions Manual

6. APPENDIX

6.1 Electrical diagrams

ENPI4MA
K2
L N 1 2
220V-240V/ 50Hz
16A Max
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
24
4
485A1
485B1
WiFi
Controller GND
RS485-
2(CC)
DCFAN
CN97
FM
U
V
RED BLK WHT
W
U V W
V
U W
COMP
OT ET IT
(RED) (GRY) (BLU) (GRN)
t
t
t
5K
5K 5K
12V
GND
485A1
CN30
485B1
RS485
CN15
5
MODE Switch
EEV
P13L
P14L
Reactor
LP : LOW PRESSURE SWITCH
OT : OUTLET WATER TEMPERATURE SENSOR
SUT : SUCTION TEMPERATURE SENSOR
4V : 4 WAYS VALVE
K2 : DRY CONTACT 16 A MAX
ET : DISCHARGE TEMPERATURE SENSOR
PS : PRESSURE SENSOR
SUT CT AT
4V
(YEL) (WHT)
K2
t t
t
5K 5K
CN42
CN66 CN18 CN13 CN11
HP
LP
FS
PS
CN99
ACL
ACN
GND
3
3 4 5 6 7
On/Off
Remote
Switch
BRN
BLU