Ferroli optima 2001 VMF7 Installation Instructions Manual page 21

8.0 COMMISSIONING AND TESTING
8.1 Filling the Central Heating System
Burner pressure
test point
Gas inlet pressure
test point
Remove the top front panel by gripping both sides, slide up to disengage lugs and pull away.
Loosen the cap of the automatic air vent (fig. 20) and leave it loose.
Open the central heating flow and return cocks (fig. 11).
Gradually fill the system as detailed in Make up Water.
While filling, vent the heat exchanger at venting point by loosening cap (fig. 20) and vent each radiator.
Tighten cap on heat exchanger air vent.
Ensure the working pressure, when filled, is between 1 to 1.5 bar on the pressure gauge (see technical data).
Check the system for leaks.
Flush system in accordance with BS 7593.
8.2 Filling the Domestic Hot Water System
Close all hot water draw off points. Open main cold water stop cock and ensure the cold water inlet cock is open at the
boiler jig bracket (fig. 11). Slowly open each hot tap in turn until clean water, free from air pockets, is seen.
Check system for leaks.
8.3 Electricity Supply
Carry out preliminary checks (i.e. earth continuity, polarily short circuit and resistance to earth using a suitable
multimeter).
8.4 The Gas Installation
The whole of the gas installation including the meter, should be inspected and tested for soundness, and purged in
accordance with the recommendations of BS6891-1988.
Automatic air vent
C.H. pressure relief valve
D.H.W. drain point
2001
Vent cap
Fig. 20
Heat exchanger vent
Pump
Pressure gauge
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