Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies Aggregates 03.10.2011
The fan block and type of fan block are activated by assigning the corresponding
outputs to the function block and indicating the required control type.
Depending on the type of fan, the following settings must be entered:
Type of
fan
Type of control Operating line Setting
1-speed
1-speed fan Speed 1 N.Qx
Speed 2 ---
Speed ---
Pressure sensor ---
2-speed
2-speed fan Speed 1 N.Qx
Speed 2 N.Qx
Speed ---
Pressure sensor ---
Variable
speed
Assignment of fixed speeds Speed 1 N.Qx
For 1 or 2-speed operation Speed 2 ---
Speed N.Yx
Pressure sensor ---
Control to constant duct pressure Speed 1 N.Qx
(Measurement of static pressure) Speed 2 ---
Speed N.Yx
Pressure sensor N.Xx
Control mode Duct pressure
(DP stat)
Control to constant volumetric flow Speed 1 N.Qx
For 1 or 2-speed operation Speed 2 ---
(2 setpoints, Speed N.Yx
measurement of dynamic
pressure)
Pressure sensor N.Xx
Control mode Volumetric
flow (DP dyn.)
Control to constant volumetric flow Speed 1 N.Qx
For 1 or 2-speed operation Speed 2 ---
(2 setpoints, Speed N.Yx
measurement linear volumetric
flow)
Pressure sensor N.Xx
Control mode Volum.flow
(linear 0..10
V)
Configuration example
Basic type A