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7
. . Maintenance
7.1
Daily inspection
Biddle recommends that you perform these checks during eve-
ryday use. Visual observation is sufficient here. Specific exper-
tise is not required.
• Check that the fan is running.
• Check the thermostat for error messages.
• Check that the inlet and discharge openings are not
blocked by objects or dirt; Remove these if necessary.
See also:
7.2
Scheduled maintenance
Warning:
w
The activities listed below may only be
carried out by personnel who are technically
qualified to do so.
7.2.1 Inspection and preventive maintenance once a
year
The following checks and maintenance activities must be per-
formed annually by qualified technical staff.
• Inspect the casing, the suspension or mounting structure,
and the securing of the unit.
• Inspect the gas lines.
• Inspect the air intake opening and the flue pipe.
• Inspect all wiring between the components in the unit, and
the mains supply.
• Check the inlet and discharge openings for dirt and clean
them if necessary.
• Inspect the inside of the burner and clean it if necessary.
• Inspect the ignition electrode, and adjust if necessary.
• Check that the safety shut-off valve is gastight.
