Sime Estelle 3 OF Manual Del Usuario página 44

– Control the quality of the fuel.
Frequent intervention of the boiler shut-
off valve
– Control the presence of air in the sys-
tem, the function of the circulation
pumps.
– Check the load pressure of the appli-
ance, the efficiency of the expansion
tanks and the valve calibration.
3.4 FROST PROTECTION
In the event of frost, ensure that the central
heating plant is functional and effective
frost protection interlocks are in place to
protect against frost damage
3.5 USER WARNINGS
When faults occur and/or the equipment
does not operate correctly, turn the boiler off
and contact the authorised service engineer.
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