Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en

Building Technologies Operating modes 03.10.2011

6.4 Operating mode block

6.4.1 Room operating mode: Preselection (basic types A, U)

The room operating mode for basic types A and U is preset via the schedule's time

switch or holiday/special day program or various digital inputs (timer function,

switching to selected operating mode, room operating mode selector, holiday input,

special day input).

In addition, the operating mode can also be set via menu "Room operating mode".

6.4.2 Plant operating mode presetting (basic type P)

The controller is switched on exclusively via communication and demand-

controlled. Here, the plant operating modes "Demand operation" or "Plant OFF" are

received via KNX bus. An RDG individual room controller can trigger demand

operation via:

 Comfort

 Economy and violation of individual room controller setpoints (sustained mode

for the individual room controller).

 Smoke extraction, night cooling, etc.

In addition, the time switch can be used for other controllers on the bus (see

section 6.9.1 "Activate time switch"). The time s

witch allows for setting the room

operating modes (Comfort, Precomfort and Economy). The external controllers

convert the room operating modes to the corresponding plant operating modes.

Relay

Yes

Time switch 1

Fire

SA EX