Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies IAQ controller (basic types A and P) 03.10.2011
The air damper’s adjusted minimum and maximum positions are taken into
consideration. The higher of the 2 values is used (maximum selection), if the air
damper is also controlled by the sequence controller (e.g. for heat recovery).
The set values apply for operating modes
Comfort, Precomfort and
Economy.
Main menu > Commissioning > Settings > .... or
Main menu > Settings > IAQ controller >
Operating line Range Factory setting
Air damper setpoint ---, 0...2000 ppm 1000 ppm
Air damper Xp 0...2000 ppm 400 ppm
This function can be deactivated by setting the damper setpoint to "---".
16.3 Switch on fans (basic type A)
The demand-dependent ventilation is selected using the plant operating modes
sustained mode (Precomfort) and sustained mode (Economy) (see section 19
"Sustained mode (basic type A)").
The fan
s switch on or off based on the air quality setpoint per the following
diagram:
50 ppm 50 ppm
3150D02
w*
On
Off
* Setpoint indoor air quality (Precomfort or Economy)
Main menu > Commissioning > Settings > .... or
Main menu > Settings > IAQ controller >
Operating line Range Factory setting
Setpoint indoor air quality ---, 0...2000 ppm 1100 ppm
Setpoint indoor air quality ---, 0...2000 ppm 1000 ppm
You can disable the function by setting the corresponding setpoint indoor air quality
to "---".
16.4 Changeover fan speeds (basic type A)
A speed changeover is available for 2-speed fan operation. The changeover is
available for the following operating modes:
 Normal operation (Comfort), or
 Normal operation (Precomfort), or
 Sustained mode (Precomfort), or
 Recirculated air operation (Precomfort), or
 Sustained mode (Economy)
Setting values
Function diagram
Setting values