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Pump
Fig. 45
Selector Switch
Power On
Neon
Central Heating
Temperature Control
Fig. 47
32
© Baxi Heating UK Ltd 2009
Screw
Automatic Air
Vent
2
1
0
bar
Fig. 46
2
1
0
4
bar
Hot Water
Temperature Control
11.0
11.1
1. Reference should be made to BS 5449 Section 5
when commissioning the boiler.
2. At the time of commissioning, complete all relevant
sections of the Benchmark Checklist at the rear of this
publications.
3. Open the mains water supply to the boiler.
4. Open all hot water taps to purge the DHW system.
5. Ensure that the filling loop is connected and open,
then open the heating flow and return valves on the
boiler.
6. Open the screw on the automatic air vent (Fig. 45).
7. The system must be flushed in accordance with BS
7593 (see Section 6.2) and the flushing agent
manufacturers instructions.
8. Pressurise the system to 1.0 bar then close and
3
disconnect the filling loop.
4
9. Turn the gas supply on and purge according to in GB
BS 6891 and in IE I.S. 813 "Domestic Gas Installations".
Pressure Gauge
10. Test for gas soundness.
11. Hinge the facia panel upwards and refit the case
front panel. Tighten the securing screws.
3
12. 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 (
Commissioning the Boiler
Commissioning the Boiler
) or (
) (Fig. 47).
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