System Pressure; Sealed Heating Systems - Bosch CONDENS 5000 W User Manual

4

System pressure

4.1

Sealed heating systems

This boiler is fitted to a sealed heating system which is pre-pressurised. The optimum pressure is indicated on the pressure gauge
shown in figure 6.
▶ Check regularly that the pressure is maintained.
Fig. 6 Optimum pressure when cold (area A)
▶ Contact your installer or authorised person if a permanent significant decrease in pressure is indicated on the pressure gauge.
The filling method on this boiler will be an external filling loop, with fitted valves and a flexible hose. The filling loop should ideally be
located close enough to the boiler so that the pressure gauge can be monitored during filling.
Condens 5000 W
1.5 bar
A
2
1 bar
1 1
Min
0
bar
System pressure | 9
Max
3
4
6 720 646 196 (2013/08)