Cycle Diagram - LG THERMA V Installation Manual

1,MFL68681810,영영 2017. 7. 1. 영영 12:55 Page 16
General Information

Cycle Diagram

Water. Out
Water. In
Description
Category Symbol
Th1
Indoor
Unit
Th2
Th3
Th4
Th5
Th6
Outdoor
Unit
Th7
Th8
EEV
16 Air-to-Water Heat Pump
LIQUID SIDE
Service
Indoor Unit
Valve
Plate Heat
(3 way)
Exchanger
Th2
Th3
GAS SIDE
TH1
Service
(Accessories)
Valve
(3 way)
Meaning
Remote air temperature sensor
Inlet evaporator temperature sensor
Outlet evaporator temperature sensor
Compressor-suction pipe temperature sensor
Compressor-discharge pipe temperature sensor
Condenser temperature sensor
Outdoor air temperature sensor
Condenser middle temperature sensor
Electronic Expansion Valve
EEV
TH4
Pressure 4 way
Sensor Valve
TH5
Accumulator
Compressor
PCB
Connector
- Optional accessory (being sold separately)
CN_ROOM
- Not shown in diagram
CN_PIPE_IN - Meaning is expressed based on Cooling
mode.
CN_PIPE_OUT
CN_SUCTION
CN_DISCHA
- Description is expressed based on Cooling
CN_C_PIPE
mode.
CN_AIR
CN_MID
CN_LEV1
TH6 TH7
Outdoor Unit
Heat Exchanger
TH8
Remarks