14
© Baxi Heating UK Ltd 2012
Remove the pressure tube from the
Gas Valve Inlet Test Point. Tighten the
screw.
Replace the front door, ensuring it is
secured by the screws previously
removed.
Insert the analyser probe in the Air
Sampling Test Point. Replace the plug
in the Flue Sampling Test Point.
To Flue
Sampling Point
Press the ‘ip’ button and ‘CH +ve’ for
6 seconds. ‘304’ will be displayed and
the boiler will operate at maximum fan
speed. ‘100’ will be displayed,
alternating with the boiler temperature.
Pressing ‘CH -ve’ button will change
the fan speed to Ignition, a further
press selecting minimum speed.
Check for recirculation at each fan
speed:- ‘100’, ‘33’* & ‘00’.
* ‘33’ is typical a value
Once the recirculation check is
complete, either press the ‘ip’ and
‘CH +ve’ buttons for 6 seconds or
isolate the power at the used spur and
then re-instate it.
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