Cycle Diagram (For Hydrosplit) - LG THERMA V Installation Manual

Cycle Diagram (For Hydrosplit)

<Refrigerant Side>
S6
S2
S5
EEV1
S7
EEV2
(Inj.EEV)
Description
Category Symbol
S1
S2
S3
S4
Refrigerant
S5
side
S6
S7
EEV1
EEV2
S8
S9
S13
S17
Water Side
A1
A8
A9
Pressure
Sensor
Pressure
Switch
Muffler
Accumulator
S4
S3
S1
[PHE]
<Inside of Hydrosplit>
PHEX liquid temperature sensor
Outdoor-HEX middle temperature sensor
Compressor-discharge pipe temperature sensor
Compressor-suction pipe temperature sensor
Outdoor-HEX temperature sensor
Outdoor air temperature sensor
Compressor-injection pipe temperature sensor
Electronic Expansion Valve (Heating/Cooling)
Electronic Expansion Valve (Injection)
Outlet water temperature sensor
Inlet water temperature sensor
Electric heater outlet sensor
Flow sensor
Main Water Pump
Electric backup heater (1Ø, Optional accessory)
Electric backup heater (3Ø, Optional accessory)
GENERAL INFORMATION
<Water Side>
Expansion Tank
Relief
valve
S17
Flow
Sensor
Water
Out
S8
S9
Water In
Strainer
Meaning
: Cooling
: Heating
<Indoor Unit>
Air Vent
A8/A9
S13
Pressure
Air Vent
Sensor
A1
PCB Connector
CN_PIPE_IN
CN_MID
CN_DISCHARGE
CN_SUCTION
CN_C_PIPE
CN_AIR
CN_VI_IN
CN_EEV1
CN_EEV_MAIN
CN_WATER_OUT
CN_WATER_IN
CN_TH3
CN_F_SENSOR
CN_PUMP_A1
CN_MOTOR1
CN_HEATER_PCB
HEATER1
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