Bosch C 950 ES Installation Manual page 34

Installation instructions
18
22
21
20
19
Fig. 42 Space heating diagram
1 Hot water outlet
Cold water inlet
2
3 Pressure relief valve
4 Gas supply
5 Shut off gas valve
6 Thermal expansion tank (as required)
7 Atmospheric vacuum breaker
8 Cold inlet
9 Check valve
10 Pump
11 Thermostatic mixing valve
12 Thermometer (optional)
13 DHW outlet
14 Water to water heat exchanger
15 Backflow preventer
Automatic water feed
16
17 Thermostat
18 Space heating zone
Zone controller
19
20 Space heating pump
21 Expansion tank
Pressure relief valve
22
34
13
17
T
12
15
16
5
14
5
8
11
9
9
6
10
9
7
1
3
5 4
6720644887-02.1V
6 720 646 812
2