Technical data

9 Commissioning

9.1 Filling Secondary D.H.W. Circuit

Note:

Do not manually open the temperature and pres-

sure relief valve or expansion relief valve for

venting purposes (any foreign matter in the

pipework may cause damage to the valve seats).

•

Ensure that the cylinder drain valve (E, fig. 6) is clo-

sed.

•

Open all the hot and cold water taps or other terminal

fittings.

•

Open the mains water supply to the VANTAGE and

continue filling until water runs freely from the

terminal fittings, ensuring all air pockets are purged.

•

Close the terminal fittings and check the system for

leaks.

The system should now be thoroughly flushed.

•

Open hot water taps at opposite ends of the system

and allow water to discharge for at least 5 minutes.

•

Close the hot water taps.