Instruction manual

14
SYSTEM PRESSURE
Greenstar i System Compact – 6 720 807 727 (2013/05)
4SYSTEM PRESSURE
4.1 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.
▶ Check regularly that the pressure is maintained.
Fig. 9 Optimum system pressure when your boiler is cold (area A)
▶ 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 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