If it is necessary to force the boiler or heat pump to turn on (e.g. for the annual control of the boiler), you will simply have to press the central button of the Starter: the boiler will turn on and the central button will flash red.
If it is necessary to force the boiler or heat pump to turn on (e.g. for the annual control of the boiler), you will simply have to press the central button of the Starter: the boiler will turn on and the central button will flash red.