Measuring conditions:
*Hot Water--Outdoor air temp: 20℃/15℃; Inlet water temp: 20℃; Outlet water temp: 55℃
**Heating --Outdoor air temp: 7℃/6℃, Outlet water temp: 35℃, Inlet water temp: 30℃
**Cooling --Outdoor air temp: 35℃/24℃, Outlet water temp: 15℃, Inlet water temp: 20℃
