Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies Temperature controller (basic type A) 03.10.2011
11.4 Room or extract air temperature control
Room temperature control Extract air temperature control
N.X2
Y
SIGNAL Y
x
RT
S3 S2 S1 S4 S5
yp yp yp yp yp
a
d
Controller 1
(Ventilation)
With supply air limitation
Cascade
Constant (supply air)
Cascade/const (alternating)
Seq. limit. Casc/Const

N.X1
Y
SIGNAL Y
x
EAT
S3 S2 S1 S4 S5
yp yp yp yp yp
a
d
Controller 1
(Ventilation)
With supply air limitation
Cascade
Constant (supply air)
Cascade/const (alternating)
Seq. limit. Casc/Const

11.4.1 Operating principle
PID control is used to control the supply air temperature to the set setpoint.
11.4.2 Room setpoints
Specific setpoints can be predefined for operating modes Comfort, Precomfort
and
Economy.
Main menu > Commissioning > Settings > .... or
Main menu > Settings > Controller 1 > Room setpoints >
Main menu > Controller 1 >
Operating line Range Factory setting
Economy cooling setpoint 30 °C
Precomfort cooling setpoint 28 °C
Comfort cooling setpoint 24 °C
Comfort heating setpoint 21 °C
Precomfort heating setpoint 19 °C
Economy heating setpoint 15 °C
If a room temperature is still available at selected extract air temperature control,
the room temperature is used for functions such as sustained mode, night cooling
or setpoint effects.
In case of room temperature control, the room temperature is available for
functions such as sustained mode, night cooling, and setpoint effects.
Main menu > Controller 1>
Operating line Comments
Actual value room temp
Current room temp setpoint
Main menu > Controller 1>
Operating line Comments
Actual value extract air temp
Current setp extract air temp
Setting values
Note
Display values for room
temperature control
Display values for extract
air temperature control