Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies Aggregates 03.10.2011
The current state of the fans is displayed on the operator unit.
Main menu > Aggregates > Supply air fan >
Operating line Comments
Supply air fan Display of the current fan speed: 0...100%
Actual value volume flow
Setpoint volume flow
Unit
Main menu > Aggregates > Extract air fan >
Operating line Comments
Extract air fan Display of the current fan speed: 0...100%
Actual value volume flow
Setpoint volume flow
Unit
10.1.5 Time switch priority speed 2
If the fan is run as a 2-speed fan (via relay or continuous output), the following
function is available:
If Speed 2 is not switched on via the time switch, but rather switched demand-
dependent by the IAQ controller (see section 16 "IAQ controller (basic types A and
P)") and/o
r the room temperature controller (see section 11.6.3 "Room supply or
extract air
cascade control"), the speeds are assigned as follows to the operating
modes:
Operating mode Fan
Comfort:
Speed 1
Precomfort:
Speed 1
Economy:
Off
Here, Time switch priority speed 2 is set to No.
Main menu > Commissioning > Settings > .... or
Main menu > Settings > Aggregates > Supply air fan >
Operating line Range Factory setting
Time switch priority
speed 2
No, yes Yes
Display values
Setting values