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4.6 HEATING PRESSURE SWITCH
The minimum pressure switch verifies the pressure in the heating circuit, with micro-switch ON/OFF.
The setting are:
OFF: 0,4 bar;
ON: 0,6 bar.
When it opens there is the safety shout down 1 08
4.7 FILLING TAP.
To fill the heating circuit use the tap positioned under the hydraulic group support, pull down the handlebar
and after rotate in anticlockwise.
4.8 DRAIN VALVE.
To empty the system turn the proper tap positioned on the lower part of the boiler anti-clockwise. To open it
is possible use hexagonal wrench 9mm.
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