Operating Guide
Termix VVX-B – 7 Series BS
5.2 Schematic diagram
Mounting rail
DHW
DCW
DH
Supply
HE
Supply
DH
Return
HE
Return
Your substation might look different than the schematic diagram shown.
Schematic description
A
Heat exchanger, HE
9
Strainer
31
Differential pressure controller
B
Heat exchanger, DHW
10 Circulator pump
38
Expansion tank
L
Border of delivery
14 Sensor pocket, energy meter
41B Fitting piece, energy meter
M Electrical wiring box
18 Thermometer
41C Fitting piece, Shut-off-valve
1
Ball valve
20 Filling/drain valve
48
Air vent, manual
2B Double check valve, WRAS
24 Delivered loose with unit
62B Pressure Absorber with non-return valve
4
Safety valve
26 Pressure gauge
69
On/off valve
7
Thermostatic valve
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:
PN 10 (PN 16 versions are available on enquiry)
Max. DH supply temperature:
110 °C
Min. DCW static pressure:
0.5 bar
Brazing material (HEX):
Copper
Heat exchangers test pressure:
30 bar
Sound level:
≤ 55 dB
LGB40404
DEN-GT
11
