Commissioning - Potterton Performa 30 HE Installation & Service Instructions Manual

9.0

COMMISSIONING

9.1 Commissioning the Boiler
1. Reference should be made to BS 5449 Section 5
Screw
when commissioning the boiler.
2. Open the mains water supply to the boiler.
3. Open all hot water taps to purge the DHW system.
Automatic
Air Vent
4. Ensure that the filling loop is connected and open,
then open the heating flow and return valves on the
boiler.
5. Open the screw on the automatic air vent
(Fig. 31).
6. The system must be flushed in accordance with
BS 7593 (see Section 6.2) and the flushing agent
manufacturers instructions.
Pump
Fig. 31
7. Pressurise the system to 1.0 bar then close and
disconnect the filling loop.
8. Turn the gas supply on and purge according to in
2
GB BS 6891 and in IE I.S. 813 "Domestic Gas
Installations".
bar
9. Test for gas soundness.
Selector Switch
Pressure
Fig. 32
10. If at any time during commissioning it is required
Gauge
to terminate a particular cycle, e.g. the pump overrun
period, turn the selector to the OFF position and then
back to either ( ) or ( ) (Fig. 33).
30° 40° 50° 60° 70° 80°
2
Reset
bar
Power On
Neon
Central Heating Hot Water
Temperature Control Temperature Control
Fig. 33
24 Publication No. 5111815