Bosch Worcester Greenstar 24 - System Pressure; Sealed Heating Systems

23
System Pressure
6 720 801 019 (2012/05)
6SYSTEM PRESSURE
6.1 SEALED HEATING SYSTEMS
This boiler is fitted to a sealed heating system which is pre-
pressurised.
Your installer will advise you of the minimum and maximum
pressure indicated on the pressure gauge.
B Check regularly that the pressure is maintained.
Fig. 2 Optimum pressure when the boiler is cold (area A)
B Contact your installer or maintenance engineer if a permanent
significant decrease or increase in pressure is indicated on the
pressure gauge.
The filling method will be an external filling loop, fitted valves and
flexible hose.
NOTICE: To comply with the Water Authority
regulations you must disconnect the external filling
loop after re-pressurisation.
6720643356-11.1Wo
2
3
1
04
bar
1
A
Min
1 bar
1.5 bar
Max