1001

8.0COMMISSIONING AND TESTING

8.1Filling the Central Heating System

Burner pressure

Automatic air vent

Vent cap

test point

 

 

Heat exchanger vent

Pump

C.H. pressure gauge

Gas inlet pressure

 

 

 

C.H. pressure relief valve

 

 

 

test point

D.H.W. drain point

Low water pressure switch

 

 

 

 

 

 

Fig. 20

Remove the top front panel by gripping both sides and lifting forward away from main boiler assembly. 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.

8.2Filling 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.

8.3Electricity Supply

Carry out preliminary checks (i.e. earth continuity, polarily short circuit and resistance to earth using a suitable multimeter).

8.4The 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.

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Optima Company 1001 Commissioning and Testing, Filling the Central Heating System, Filling the Domestic Hot Water System

1001 specifications

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