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Siemens RDG110 Documentation

Siemens RDG110
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Siemens RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation CE1P3076.en
Building Technologies Functions 28 May 2009
Modulating control: 3-position, PWM or DC 0…10 V
The diagram below shows the control sequence for modulating PI control.
Heating mode
(automatic changeover = heating or heating only)
Cooling mode
(man. / auto. changeover = cooling or cooling only)
Y [%]
100
0
w
3181D122
T[°C]
YR
XpH
Y1
w
D
XpH
Y [%]
100
0
w
3181D123
T[°C]
Y1
XpH
YR
x
dz
XpC
T[°C] Room temperature XpH Proportional band “Heating” (P30)
W Room temperature setpoint XpC Proportional band “Cooling” (P31)
Y1 Control command “Valve” X
dz
Dead zone (P33)
YR Control command “Radiator” w
D
Setpoint differential (P34)
The diagrams only show the PI controller’s proportional part.
Setting the sequence and the control outputs
Refer to sections 4.5 (applications), 4.7.1 (sequences) and 4.7.2 (outputs).
Note
Heronhill - for all your Siemens requirements
Tel: 01823 665660
www.heronhill.co.uk
Fax: 01823 665807

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Siemens RDG110 Specifications

General IconGeneral
BrandSiemens
ModelRDG110
CategoryThermostat
LanguageEnglish

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