1.4 Adjustments
Summer/Winter Changeover
Press the button detail 16 - fig. 1 for 2 seconds.
The display activates the Summer symbol (detail 10 - fig. 1): the boiler will only deliver domestic hot water. The anti-
freeze system remains activated.
To deactivate Summer mode, press the button detail 16 - fig. 1 again for 2 seconds.
Heating temperature setting
Operate the heating buttons fig. 1 details 3 and 4 - to adjust the temperature from a min. of 30°C to a max. of 85°C.
DHW temperature adjustment
Operate the DHW buttons fig. 1 details 1 and 2 - to adjust the temperature from a min. of 40°C to a max. of 55°C.
Room temperature adjustment (with optional room thermostat)
Using the room thermostat, set the temperature desired in the rooms. If the room thermostat is not installed the boiler
will keep the heating system at its setpoint temperature.
Room temperature adjustment (with optional remote timer control)
Using the remote timer control, set the temperature desired in the rooms. The boiler unit will set the system water ac-
cording to the required room temperature. For information on the remote timer control, please refer to its user's manual.
ECO/COMFORT selection
The unit has a function that ensures a high domestic hot water delivery speed and maximum comfort for the user. When
the device is activated (COMFORT mode), the water contained in the boiler is kept hot, therefore ensuring immediate
availability of hot water on opening the tap, without waiting times.
The device can be deactivated by the user (ECO mode) by pressing the button detail 7 - fig. 1. In ECO mode the display
activates the ECO symbol (detail 12 - fig. 1). To activate COMFORT mode, press the button fig. 1 detail 7 - again .
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NINFA N LOW NOX 24 MCS
fig. 8
fig. 9
fig. 10
cod. 3540R880 - 01/2009 (Rev. 00)
EN