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USER MANUAL
HEATING MODE WITH EXTERNAL SENSOR (OPTIONAL)
Operation is the same as in normal heating mode with the difference that the delivery temperature is calculated in relation
to the external temperature read by the sensor and the K factor.
The K factor is set with the P3 and P4 buttons.
N.B.: The graphs show the temperature trend with the normal heating setpoint range.
If the heating range for a floor-mounted system were selected, the curves would fall within the temperature range for the
floor however maintaining the same “K” slope.
EXTERNAL SENSOR INSTALLATION
The external sensor, which can be requested as optional, is used to improve the operating performance of the boiler.
It must be installed on an external wall, possibly north-facing, and in any case in a position protected against sunlight
and/or other heat sources.
External temperature (°C)
System delivery (°C)
HEATING TEMPERATURE INCREASE BUTTON
HEATING TEMPERATURE DECREASE BUTTON
P3
P4