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6. APPENDIX
6.1 Electrical diagrams
HP5091DT3H / HP5111DT3H
K2
L
N
1
Power supply
220-240V/50Hz
Dry Contact
7 A max
RED BLK WHT
U V W
V
U
W
COMP
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
2
V
A
B
FS
HP
CN15
LEV1
A B
CN29
RS485
OVT
IT(BLU)
SUT(GEN)
CT(YEL)
EEV
t
t
5
5K
5K
5K
CN24
LEV2
CN21
CN7
RES1
OAT
CN9
CN12
CN22
OHT
PH
RES2
t
t
5K
5K
FM
OT（RED）
ET(GRY)
AT(WHT)
reactor
P13L
P14L
WIFI
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
K2
LP
4V
CN30
CN31
CN18
HP
LP
CN11
EMV
FOUR
t
CN13
HEAT
CN8
CN99
CN66
OPT
PL
RY
t
GND
ACL1
A
B
SPS
4
CN2
CN1
Controller
CN96
P03
ACL
ACN
ACN1
GND
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