Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies Fan speed controller, demand-controlled (basic type P) 03.10.2011
23.4 Application examples
The application examples below include the configurations and settings required
for basic type P together with the individual VAV room controllers and the volume
flow controllers.
 Primary air handling unit with supply air fan and mixed air damper.
 Individual room control (RDG400KN) for VAV single duct system with supply air
compact controller with analog damper position signal.
 Data exchange between the primary air handling unit and the individual room
controllers via KNX with the following functions:
 Optimization of the pressure setpoints for supply air using the damper positions
VAV supply air compact controller.
 Demand-controlled plant operation and optimization of the supply air setpoint by
heat and refrigeration demand signals.
3150s55
Configuration overview
Primary air handling unit RMU7x0B
Setting values Supply air
Fan
Extract air
Fan
Control mode Duct pressure (DP stat)
----
Pressure optimization Supply air
Pressure setpoint 220 Pa
----
Pressure setpoint reduction 160 Pa
----
VAV supply air damper position (0…100%).
----
Demand-controlled supply air temperature control
Supply air limit value max 26°C
Supply air limit value min 15°C
Supply air heat demand (0…100%)
Supply air refrigeration demand (0…100%)
Individual room control RDG400KN, VAV controller G…B181.1E
Supply air Extract air
Assignment VAV Yes No
Damper position signal, type Yes - analog 0-10V DC via RDG400KN ----
Setpoint compensation fans Yes ----
Example 1