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6. APPENDIX (continued)
HP5151DT3H / HP5181DT3H
K2
L
N
1
2
Power supply
220-240V/50Hz
Dry Contact
7 A max
WiFi
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
HP
RED BLK WHT
U V W
V
U
W
COMP
reactor
P13L
P14L
A
B
SPS
4
CN2
Controller
t
GRN
FS
LP
IT(BLU)
5K
CN21
CN29
CN30
CN31
RES1
OVT
HP
LP
CT(YEL)
SUT(GRN)
A
t
t
5K
5K
B
A B
CN7
CN8
CN99
RS485
OAT
OPT
PL
CN22
RES2
CN9
OHT
t
t
t
5K
5K
OT(RED)
ET(GRY)
DCFAN
CN15
CN24
CN97
LEV1
LEV2
5
EEV
FM
CN1
LP: LOW PRESSURE SWITCH
OT: OUTLET WATER TEMPERATURE SENSOR
SUT: SUCTION TEMPERATURE SENSOR
4V: 4 WAYS VALVE
K2: DRY CONTACT 7 A MAX
ET: DISCHARGE TEMPERATURE SENSOR
: OPTION
Magetic ring
4V
K2
CN13
CN18
CN66
CN11
HEAT
P03
EMV
RY
FOUR
ACL
CN96
CN12
PH
AT(WHT)
GND
ACN1
GND
ACL1
FILTER
ACN
25
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