Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies Operating modes 03.10.2011
6.14 Operating mode priorities
The following priorities apply to plant operation:
1. ON / OFF during wiring test
2. OFF by fan supervision (flow signal, overload signal); fan release relay signal
also is off
3. ON via smoke extraction
4. OFF by one or multiples of the following functions:
- Fire alarm off
- Fault status messages with plant stop
- Supply air fan stop conditions 1 or 2,
- Pump fault at simultaneously low outside temperatures
5.
Simulation VAV (basic type P)
6. OFF by plant operation selector
7. ON or OFF by room operating mode selector or switching to the desired
operating mode)
8. Comfort, Precomfort or Economy by room operation selector which can be
selected via local operation (RMZ790, RMZ791) or remote control (QAW740,
RMZ792, ACS), where the last action always wins
9. Comfort by timer function
10. Comfort, Precomfort, Economy, or Protection via communication from external
time switch (room control combination)
11. Special day program (Comfort, Precomfort or Economy depending on setting)
via special day input
12. Holidays (Economy or Protection depending on setting "Holidays room
operating mode") via holidays input
13. Holidays or special day depending on calendar entry
14. Comfort, Precomfort or Economy via internal time switch