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THERMA V
Split Type
5. Piping diagrams
DHW Tank Integrated Unit
Basic installation
(IDU + ODU)
Indoor Unit
TIC
(Optional)
TIC
6
7
TIC
Symbol
Cooling / Heating
Domestic Hot Water
Outdoor Unit of Heat Pump
Devices of Indoor Unit
TIC
PIC
M/F
Magnetic Filter
10
TIC
3Way
Valve
Electric
Heater
Water
Pump
Buffer
Tank
Flow
TIC
Condenser
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 installationIt is mandatory to install
an additional filter on the heating water circuit.
3
4
8
9
5
PIC
DHW
TANK
S6
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
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