LG Therma V AHNW16809A2 - Cycle Diagram

18 Air-to-Water Heat Pump
Cycle Diagram
Description
INDOOR UNIT OUTDOOR UNIT
Indoor Unit
Plate Heat
Exchanger
(Accessories)
Outdoor Unit
EEV
Heat Exchanger
COMPRESSOR
Accumulator
GAS SIDE
LIQUID SIDE
3-Way
Service Valve
3-Way
Service Valve
COOLING
HEATING
Reversing Valve
Pressure
sensor
Th3
Th1
Th2
Th6
Th7
Th8
Th5
Th4
General Information
Category Symbol Meaning
PCB
Connector
Remarks
Indoor
Unit
Th1 Remote air temperature sensor CN_ROOM
- Optional accessory (being sold separately)
- Not shown in diagram
Th2 Inlet evaporator temperature sensor CN_PIPE
- Meaning is expressed based on Cooling
mode.
Th3 Outlet evaporator temperature sensor CN_PIPE/O
Outdoor
Unit
Th4 Compressor-suction pipe temperature sensor CN_TH3
- Th4 and Th5 are connected at 4 pin type con-
nector CN_TH3.
Th5 Compressor-discharge pipe temperature sensor CN_TH3
Th6 Condenser temperature sensor CN_TH2
- Description is expressed based on Cooling
mode
- Th6 and Th7 are connected at 4 pin type
connector CN_TH2
Th7 Outdoor air temperature sensor CN_TH2
Th8 Condenser middle temperature sensor CN_TH3
- Th8 is connected at 4 pin type connector
CN_TH3
EEV Electronic Expansion Valve CN_LEV1