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9.0 COMMISSIONING
24
Publication No. 5111811
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. 35).
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. 34).
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”.
9. Test for gas soundness.
10. If at any time during commissioning it is required
to terminate a particular cycle, turn the selector to the
OFF position and then back to either ( ) or ( )
(Fig. 36).
Automatic Air Vent
Pressure Gauge
Screw
2
1
0
4
3
bar
Selector Switch
Central Heating
Temperature Control
Hot Water
Temperature Control
Fig. 35
Fig. 36
Fig. 34
2
1
0
4
3
bar
Reset
Burner On
Flame Failure
Power On
Performa 24 Eco HE