It is the function to set the start and end time of the outdoor unit’s low noise mode operation.

It is the function to control remotely through network with indoor unit.

If you select (Air + Water) as the temperature control mode, This option is activated on screen. It is the function to set target water temperature.

It is the function to linkage the 3rd party boiler. (This function can be activated, after setting every value in installer mode.)