User Manual

Remarks of Siemens

This section outlines how Siemens interprets the functions and processing functions according

to EN 15232-1:2017.

1) Plants required for "emission control" of thermal energy (e.g. radiators, chilled ceilings, VAV

systems) may have different supply media (e.g. water, air, electricity). As a result, different BAC

solutions may be possible for a processing function.

2) The Siemens interpretation gives full consideration to the processing function in the function list of

EN 15232:

· It includes thermostatic valves and electronic control equipment.

· Non-communicating electronic control equipment may include a local scheduler, but

experience suggests that they are often not correctly set

· For „Cooling Control“ thermostatic valves are not utilized

3) Communication between a superposed centralized unit and electronic individual room controllers

allow for centralized schedulers, monitoring of individual room controllers as well as centralized

operation and monitoring.

4) Demand control (by use) = demand control based on occupancy information from a presence

detector or a presence button with automatic reset after a set period. Control switches from

PreComfort to Comfort or vice versa using this occupancy information (see EN 15500).

Notes:

· Air quality control is considered by "Ventilation and air conditioning control"

· Occupancy information can influence "heating control", "cooling control" and "ventilation and

air conditioning control"

Note:

Setpoints for heating and cooling should be configured so that the setpoint range is as wide as

possible (with summer and winter compensation) to meet present use and comfort requirements.