Piping Diagrams - LG Therma V AHUW056A3 Engineering Product Data Book

THERMA V
Split Type

6. Piping diagrams

DHW Tank Integrated Unit
Basic installation
(IDU + ODU) Indoor Unit
TIC
(Optional)
Electric
Heater
Water
Pump
6
7
Condenser
Symbol
1
Cooling / Heating
2
3
4 Domestic Hot Water
5
6
Outdoor Unit of Heat Pump
7
8
9
Devices of Indoor Unit
TIC
PIC
M/F Magnetic Filter
TIC
3Way
Valve
Buffer
Tank
Flow
TIC
Switch
1
Magnetic
M/F
Filter
(Recommended)
Underfloor
Heating
System
Return flow
Heating Supply flow
Hot Water Outlet
Circulation flow Inlet
Cold Water Outleet
Gas pipe to ODU (based Cooling)
Liquid pipe from ODU (based Cooling)
Mg. Annode
Safety group (Pressure indicator, safety valve, automatic air vent)
Temperature sensor
Pressure indicator
3rd party accessory and Field installation
It is strongly recommended to install an additional filter on the
heating water circuit.
3
4
8
9
5
PIC
DHW
TANK
2
Fan
Coil
Unit
Radiator
Description
DHW Tank Integrated Unit
1
3 1 1
1 3 2 1
6 5 4
1 : Ball valve
2 : Pressure reducing valve
3 : Check valve
4 : Safety valve
5 : Expansion vessel
6 : Charging pipe
Field installation
11