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16.0
MAINTENANCE
16.1
GENERAL
KEEP APPLIANCE AREA CLEAR AND FREE FROM COMBUSTIBLE MATERIALS AND FLAMMABLE
VAPOURS AND LIQUIDS.
A competent person should check and ensure that the flue, its support and terminal, the ventilation to the boiler
house, safety valve, drain, pressure gauge etc. are in a serviceable and working condition and still comply with the
relevant standards and codes of practice, as detailed in Section 4: GENERAL REQUIREMENTS.
Servicing is recommended at intervals no greater than 12 months to aid trouble free operation. Even if a
maintenance schedule is determined to be less than annually, it is important that all controls and safety features
are checked for correct operation on an annual basis.
Measuring flue gas CO
and flue gas temperatures will give an indication of the state of the flue and burner.
2
Results of the flue gas analysis should be compared with previously measured values to identify any changes in
operational characteristics.
16.2
BURNER INSPECTION
The heat exchanger has a sight glass for inspection of the flame picture.
NOTE:
If the appliance has been in recent operation, this area may be hot. Appropriate precautions
should be taken to prevent personal injury.
To check the flame picture at high and low fire, the following procedure should be used:
1.
Put the boiler into 'Service Mode'. This is done by depressing the service button for three seconds. The
display should show:
Display message
H E A T
>
>
Reason
Boiler is activated and operates at service mode at 26% (minimum).
2.
Press the [▲] button until the display shows:
Display message
H E A T
>
>
Reason
Boiler is activated and operates at service mode at 100% (maximum).
3.
Check the flame condition.
4.
Press the [▼] button until the display shows:
Display message
H E A T
>
>
Reason
Boiler is activated and operates at service mode at 26% (minimum).
5.
Check the flame condition.
6.
Depress the service button for 3 seconds to return the boiler to its normal operating mode.
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