Installation guide

Ascari MA12 -p. 34 -
2.22 - Operating
Display in front of symbol "°C" means the boiler is off, connected to power supply, with anti frost
protection operating (boiler starts automatically when the boiler's temperature or the Domestic Hot Water
temperature turns below 5°C).
Press
to turn the boiler On or Off.
2.22.1 - Automatic / Manual Operation
The boiler must be set to Manual operation as follows :
Press and hold the Auto/Man button for 3 seconds. The display will show Au or Man, press the Auto/Man
button again for a short period to toggle the display so that it shows Man. With the correct display showing,
press and hold Auto/Man for 3 seconds to return to normal operating mode.
2.22.2 - Requested heating temperature setting in manual mode
Press to display the requested temperature blinking in front of symbol "°C".
Press or to increase or decrease the requested temperature between TCMI and TCMA.
(see § 2.21).
Press to confirm setting.
2.22.3 - Summer / Winter shift
(Available in manual mode only (see § 2.22.1 above)
Press during 3 sec to start the summertime mode and lit Summertime LED;
Press during 3 sec to start the wintertime mode and lit the Wintertime LED.