Commissioning - Potterton Performa 24i HE Installation And Service Instructions Manual

9.0

COMMISSIONING

9.1 Commissioning the Boiler
1. Reference should be made to BS 5449 Section 5
when commissioning the boiler.
2. Open the mains water supply to the boiler.
3. Open all hot water taps to purge the DHW system.
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.
7. Pressurise the system to 1.0 bar then close and
disconnect the filling loop.
8. Turn the gas supply on and purge the system
according to in GB BS 6891 and in IE I.S. 813
"Domestic Gas Installations". BS 6891.
9. Test for gas soundness.
10. 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 either ( ) or ( ) (Fig. 33).
Publication No. 5111813
Pump
Fig. 31
Selector Switch
30° 40° 50° 60° 70° 80°
Reset
Power On
Neon
Central Heating
Temperature Control
Fig. 33
Screw
Automatic
Air Vent
2
bar
Fig. 32
Off
2
On
Preheat
bar
Hot Water
Temperature Control
Pressure
Gauge
25