Frost Potection; User Warnings - Sime RONDO 3 OF Instrucciones De Instalación Y Mantenimiento

and the flue, the airtightness of the boiler
and of the flue ducts (door, combustion
chamber, smoke ducts, flue, washers).
– Control the quality of the fuel.
Frequent intervention of the boiler shutoff
valve
– Control the presence of air in the system,
the function of the circulation pumps.
– Check the load pressure of the appliance,
the efficiency of the expansion tanks and
the valve calibration.
3.4 FROST PROTECTION
In the event of frost, ensure that the central
ESTELLE
42
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 engi-
neer.
6
7
2
9
3
5
11
RONDO'
1
1
ESTELLE
1
12
4
9
8
Fig. 10