E Basic Hydraulic Diagram; F Heat Pump Output Curves - Vaillant aroSTOR VWL BM 270/5 Installation And Maintenance Instructions Manual

E Basic hydraulic diagram
Validity: aroSTOR VWL BM 200/5, aroSTOR VWL BM 270/5
Note
All of the valves and connections that are integrated into the system must have a nominal operating pressure of
0.6 MPa (6 bar) or higher.
7
1
16
1 Dielectrically isolated hydraulic connection
2 Stopcock
3 Circulation pump
4 Non-return valve
5 Stopcock
6 Thermostatic mixer tap
7 Circulation pump
8 Expansion relief valve
9 Expansion vessel
10 Safety assembly
F Heat pump output curves
B
4.5
4
1
3,5
3
2,5
2
1,5
1
0,5
0
-10 0 10
A Air temperature in °C
B Working figure (COP)
1 COP at a cold water temperature of 10 °C for a tar-
get temperature of 55 °C (EN 16147:2017/extraction
cycle L)
0020290840_00 aroSTOR Installation and maintenance instructions
6
2 3 4 5
8
9
10
14 11
13 12
15
00:00
21:00
18:00
15:00
12:00
2
09:00
6:00
3:00
00:00
20 30 40
17
18
19
11 Stopcock
12 Pressure reducer
13 Non-return valve
14 Stopcock
15 Expansion vessel
16 Drain valve
17 Domestic hot water flow
18 Hot water circulation
19 Cold water pipe
A
2 Heating time at a water temperature of 10 °C for a
target temperature of 55 °C (EN 16147:2017/extrac-
tion cycle L)
Appendix
29