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Installation Guide
5.2 Schematic diagram
DHW
DCW
DH
Supply
DH
Return
Your substation might look different than the schematic diagram shown.
Schematic description
A Heat exchanger, HE
B Heat exchanger, DHW
1
Ball valve
4
Safety valve
7
Thermostatic valve
9
Strainer
DHW:
Domestic Hot Water
DCW:
Domestic Cold Water
DH Supply:
District Heating Supply
DH Return:
District Heating Return
HE Supply:
Heating Supply
HE Return:
Heating Return
5.2.1 Technical parameters
Technical parameters
Nominal pressure:
Max. DH supply temperature:
Min. DCW static pressure:
Brazing material (HEX):
Heat exchangers test pressure:
Sound level:
Danfoss District Energy
Termix VVX-I
10 Circulation pump
14 Sensor pocket, energy meter
18 Thermometer
20 Filling/drain valve
24 Delivered loose with unit
26 Pressure gauge
PN 10 (PN 16 versions are available on enquiry)
120 °C
1.0 bar
Copper
30 bar
≤ 55 dB
VI.EH.G3.02 / LUK40440
31 Differential pressure controller
38 Expansion tank
39 Connection closed
41 Fitting piece, energy meter
48 Air vent, manual
63 Sieve
74 IHPT controller
HE
Supply
HE
Return
DEN-GT
9
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