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© Baxi Heating UK Ltd 2009
8.0 Completion & Commissioning
8.1 Completion
1. Seal off any secondary openings within the builders
opening after wrapping the gas and water pipes through the
brickwork and within the opening itself. (B.S. 5871 Part 1).
2. Take the Boiler Control from the firefront packaging and
connect it to the boiler (Fig. 38).
8.2
Commissioning the Boiler
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
publication.
IMPORTANT: The heat exchanger air vent on top of the
boiler (Fig. 38) MUST be opened before filling the
primary system.
3. Ensure all valves in the water system are turned on.
4. The system must be flushed in accordance with BS 7593
(see Section 5.2) and the flushing agent manufacturers
instructions.
5. Turn the gas supply on and purge according to in GB BS
6891 and in IE I.S. 813 "Domestic Gas Installations".
6. Test for gas soundness.
7. Ensure all external controls e.g. room stat, timer etc. are
calling for heat and turn on the mains electrical supply. Turn
the rocker switch at the top right of the boiler to ON. The
fan and condensate pump will run briefly.
8. The display will count down from 7 to 0, then the current
water temperature will be displayed.
9. When there is a demand for heating the bar on the top
left of the display will be shown and the boiler will
commence the ignition sequence.
10. When ignition is established the ‘flame’ symbol on the
display is illuminated. The display will indicate the flow
temperature. The appliance is fully preset, therefore no
adjustment is required.
11. If the boiler fails to ignite within the three ignition
attempts the error code E133 will appear in the display, ‘E1’
alternating with ‘33’.
12. To reset the boiler press the reset button for at least 3
seconds. The ignition sequence will then recommence. A
maximum of four resets in a five hour period are allowed.
13. When the reset button is activated the number of
available reset attempts will be displayed
Auto Air
Vent
ON/OFF
Fig. 38
Fig. 39
Fig. 40
Service
Reset
Countdown
Current Temp.
& Demand
Burner Lit
Remaining
Resets