Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies Sequence controller 03.10.2011
15.5 Sequence locking by heating/cooling
changeover
In the case of a 2-pipe system, the corresponding heating or cooling sequences
are locked depending on the operating mode (see section 27 "Heating/cooling
cha
ngeover").
15.6 Universal shift
15.6.1 Activate function
This function can be activated for basic types P, C and U for controllers 1, 2 and 3
as well as for basic type A for controllers 2 and 3 by configuring the corresponding
input or specifying if room or outside air temperature via bus is used.
Main menu > Commissioning > Extra configuration > Controller 1...3 > Inputs >
Operating line Adjustable values / remarks
Universal shift ---, N.X1, N.X2, ... (analog values only)
15.6.2 Setting values for universal shift
The setpoint can be shifted by a universal input.
 Refrigeration: Shifting the flow temperature setpoint for the chilled ceiling
according to the room enthalpy or the surface temperature.
 Ventilation: Shifting according to room humidity or surface temperature.
Setpoint shift acts on the
Comfort and Precomfort setpoints according to the
following diagram:
Key:

2
 [Setp compensation 2] delta
E
2
[Setp compensation 2] end
F
2
[Setp compensation 2] start
F
1
[Setp compensation 1] start
E
1
[Setp compensation 1] end

1
[Setp compensation 1] delta
SpC Setpoint high
SpH Setpoint low
Xn Input variable
SpC
SpC
SpH
SpH

w
[K]
w
E
2
F
2
E
1
F
1




Xn
Xn
w Current setpoint
Configuration
Application
Function diagram