Ariston Clas 24 FF Installation And Servicing Instructions page 73

COMFORT function (COMBI)
To activate the comfort mode it is necessary to press the comfort
button 17, this will be indicatd by a yellow light 4. The comfort
mode has priority over any other heating request.
There are two settings for the comfort mode (they can be adjusted
in the parameters menu):
1. As soon as DHW is drawn, the secondary heat exchanger is kept
warm for 30 mins.
2. As soon as DHW is drawn, the secondary heat exchanger is kept
warm permanently.
This function may be enabled by pressing the COMFORT button.
Switching off the heating
To switch off the heating mode turn the button 6 in the position"O".
The boiler switches in sanitary mode only and indicating the set
temperature.
Stand by
To switch off the boiler press the ON/OFF 13.
Switch off the boiler completely by switching the external electri-
cal switch to the OFF position; the display will switch off .
Close the gas tap.
user' manual
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