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

F Basic hydraulic diagram
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.
1
9
1 Hydraulic connection
2 Circulation pump
3 Non-return valve
4 Stopcock
5 Thermostatic mixer tap
6 Pressure reducer
G Heat pump output curves
B
4.5
1
4
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)
84
5
2 3 4
4 3
7 6
8
00:00
21:00
18:00
15:00
2
12:00
09:00
6:00
3:00
00:00
20 30 40
10
11
12
7 Safety assembly
8 Expansion vessel
9 Drain valve
10 Domestic hot water flow
11 Hot water circulation
12 Cold water pipe
A
2 Heating time at a water temperature of
10 °C for a target temperature of 55 °C
(EN 16147:2017/extraction cycle L)
Installation and maintenance instructions 8000015884_00