Short description
The document applies to rooms and buildings with uniform temperature distribution, for which temperatur requirements must be met and which are heated by water heating systems, e.g. residential and office buildings, schools, administration buildings etc. All main types of heating unit and floor heating systems are considered to be effective heating surface. Furthermore, the main controlling equipment such as thermostatic valves, P- or PI controllers and operation systems such as 24-hour heating mode or night economy with and without high speed heating function are included.