Commissioning; Power On - Potterton Performa System 12 HE Installation & Service Instructions Manual

9.0

COMMISSIONING

9.1 Commissioning the Boiler
1. Reference should be made to BS 5449 when
commissioning the boiler.
2. Ensure that the filling loop is connected and open,
then open the heating flow and return valves on the
boiler.
3. Open the screw on the automatic air vent
(Fig. 27).
4. The system must be flushed in accordance with
BS 7593 and the flushing agent manufacturers
instructions.
5. Pressurise the system to 1.0 bar then close and
disconnect the filling loop.
6. Turn the gas supply on and purge the system
according to in GB BS 6891 and in IE I.S. 813
"Domestic Gas Installations".
7. Test for gas soundness.
8. If at any time during commissioning it is required to
terminate a particular cycle, e.g. the pump overrun
period, turn the selector to the Off position and then
back to the On position (
Publication No. 5111817
Fig. 27
) (Fig. 29).

Power On

Fig. 29
Screw
Pump
Selector Switch
30° 40° 50° 60° 70° 80°
Reset
Neon
Central Heating
Temperature Control
Automatic
Air Vent
2
bar
Fig. 28
2
bar
Pressure
Gauge
27