Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies Flow temperature, demand-controlled (basic type C) 03.10.2011
13.7 Application examples
DO
N.Q1
N.Q2
N.Y1

y1 y2 y3
Connect 1+2
Depending on demand, the chilled water flow is to be maintained at a level
between 6 °C and maximum 20 °C.
Settings:
 Chilled water flow setpoint = 6 °C
 Flow temperature increase max = 14 K
 No setpoint compensation
DO
g / kg
N.Q1 N.Q2
N.Y1

y1 y2 y3
Connect 1+2
As soon as refrigeration is called for, the plant is operated at a fixed flow
temperature of 8 °C. The demand signal is only used for switching control on and
off. To prevent condensation, the flow temperature is to be raised when outside air
humidity rises excessively.
Application example 1
Application example 2