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11.0 Commissioning
© Baxi Heating UK Ltd 2007
11.1 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. 44).
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 (Fig. 45) 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 ( ) (Fig. 46).
Automatic Air
Vent
Pressure Gauge
Screw
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