58
SYSTEM FILLING
Bring the 3-way valve into the manual position. Open the inlet valve slowly until the system reaches a working
pressure (indicated on the hydrometer) of approximately 1 bar, then close it.
Verify that the automatic air bleed valves have their cap loosened, run the circulator to eliminate the any air in
the circuit, proceeding as follows:
press the ON button on the control panel (the display lights up) and activate the heating function (Summer/
Winter switch set to Winter) to start the circulator. Press the OFF button to stop the circulator; repeat the
procedure until all the air had been vented.
Reset the 3-way valve to the “automatic” position.
IGNITION
Open the gas cock, press the ON button. The burner will ignite automatically (the heating and hot water
functions are set by the manufacturers).
Should the unit fail to ignite there will be another three ignition attempts after which there will be a shutdown
(the display will flash
2
-
02
). Press RESET: if the unit still fails to ignite contact the technical assistance service.
IGNITION
