Commissioning The Boiler - Potterton Performa 24 Installation & Servicing Instructions Manual

Selector Switch
Reset Burner On
Flame Failure
Power On
Central Heating
Temperature Control
22
Screw
Pressure Gauge
2
bar
Fig. 39
Hot Water
Temperature Control
Fig. 40
Automatic Air Vent
2
bar
Fig. 41
9.0

Commissioning the Boiler

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. 40).
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 at least 0.5 bar then
close and disconnect the filling loop (Fig. 39).
8. Turn the gas supply on and purge the system
according to 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 (
(Fig. 41).
) or ( )