Quick Start Manual

© Baxi Heating UK Ltd 2009
6.0 Commissioning the Appliance
32
6.1 Commissioning the Appliance
1. The system must be flushed in accordance with BS
7593 (see Section 3.1 Water Circulating Systems) and
the flushing agent manufacturers instructions, further
guidance can be obtained from BS 5449 section 5.
2. At the time of commissioning, complete all relevant
sections of the Benchmark Checklist at the rear of this
publications.
3. Turn the gas supply on and purge according to
in GB BS 6891 and in IE the current edition of I.S. 813
“Domestic Gas Installations”.
4. Ensure that the electrical supply is isolated.
5. Check the electrical supply for earth continuity,
polarity, short circuit and resistance to earth.
6. Turn the gas service cock anti-clockwise to the ON
position and check for gas soundness up to the gas
valve.
7. Loosen the pressure test point screw on the right
hand side of the gas control valve (there is no need to
completely remove this screw to obtain a pressure
reading) and connect a pressure gauge.
8. Turn the boiler thermostat control knob fully anti-
clockwise to the OFF position marked 0 (Fig. 88).
9. Ensure that the electricity supply is turned ON and
set any external controls to the ON position.
10. Turn the boiler thermostat knob fully clockwise.
11. The fan will start running and after approximately 10
seconds, the ignition spark will commence.
12. The sparking will continue until the pilot light is
established (Fig. 89) and then the main burner will light
from the pilot flame.
13. Check that both the main burner and the pilot are
alight by observing through the viewing window. The
indicator lights should also be illuminated.
14. Should this sequence not occur, then refer to the
fault finding section of these instructions.
NOTE: The pilot rate for this appliance is factory
set, sealed and therefore non-adjustable.
*
Overheat
Boiler On
Fan On
Pilot On
Burner On
Overheat Neon
Warning
17 3
Fig. 87
Fig. 88
Fig. 89