Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies Sustained mode (basic type A) 03.10.2011
Controllers 2 and 3 as universal controller
Switch-on criteria for sustained mode: Switch-off criteria for sustained mode:
Main contr var <
Economy setpoint low
Main controlled variable >
Economy setpoint low + x%
1)
Main contr var >
Economy setpoint high
Main controlled variable <
Economy setpoint high – x%
1)
Recommended setting for Economy setpoints to reach the switch-off criteria:

Economy setpoint low < Comfort setpoint low – x%
1)
.

Economy setpoint high > Comfort setpoint high + x%
1)
.
1)
x% is calculated as the entered setpoint * 0.05
Main menu > Commissioning > Settings > .... or
Main menu > Settings > Controller 2...3 > Setpoints >
Operating line Factory setting
Economy setpoint high
30 °C, 30 K, 100%, 999 g/kg, 999 kJ/kg, 1638
W/m2,
327 m/s, 9999 bar, 9999 mbar, 9999 Pa, 9999
ppm, 999, 9999
Economy setpoint low
15 °C, 15 K, 0%, -50 g/kg, -50 kJ/kg, -50 W/m2, -
50 m/s, -50 bar, -50 mbar, -50 Pa, -50 ppm, -50, -
50
IAQ controller to switch on/off the plant
(See section 16 "IAQ controller (basic types A and P)"):
50 ppm 50 ppm
SpAqPcf
On
Off
3150D19en
SpAqPcf: Setpoint indoor air quality Economy.
 On for actual value for indoor air quality > Economy indoor air quality setpoint +
50 ppm
 OFF for actual value for indoor air quality < Economy indoor air quality setpoint -
50 ppm
Main menu > Commissioning > Settings > .... or
Main menu > Settings > IAQ controller >
Operating line Range Factory setting
Setpoint indoor air quality ---, 0...2000, ppm 1100 ppm
Disable Economy IAQ setpoint by setting it to "---".
Setting values
Setting values