INSTRUCTIONS FOR USE
Caution:
In closed vessel systems, where permitted, the water
pressure in the heating system
when cold must not be less than 1 bar; if less, open the
T
system water tap.
The operation must be carried out when the system is cold.
The built-in system manometer, enables reading of the
pressure in the circuit.
To fill the system, the hydraulic kit (optional) is equipped
with a tap, with a non-return valve, for manual loading of the
heating system.
During this operation, the venting of any air in the system is
ensured by the automatic vent located inside the boiler.
T
To allow the valves to vent, it is advisable to loosen the caps T
(see figure).
The system load pressure WHEN COLD must be 1 bar.
At the end of the filling operation always close the tap.
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