Appendix
0020290840_00 aroSTOR Installation and maintenance instructions
29
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
8
11
12
13
14
1
9
5
4
15
16
2
3
6
17
18
19
10
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
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
F
Heat pump output curves
3
3,5
4
4.5
2,5
1,5
1
2
0,5
0
18:00
21:00
00:00
15:00
09:00
12:00
6:00
3:00
00:00
0
-10
10
20
30
40
A
B
2
1
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)
2
Heating time at a water temperature of 10 °C for a
target temperature of 55 °C (EN 16147:2017/extrac-
tion cycle L)
