Siemens RVD110 - Plant Type No. 1; Plant Type No. 2; Plant Type No. 3

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Siemens Building Technologies Basic Documentation RVD110, RVD130 CE1P2381E
HVAC Products 3 Fundamentals 27.05.2004
3.2.1 Plant type no. 1
Y1
B7
B71
B1
Q1
B9
A6
2381S01
N1
M
Heating circuit control without d.h.w. heating
3.2.2 Plant type no. 2
B3
Q7
Y1
B7
B71
B1
Q1
Q3
A6
B9
N1
2381S02
M
D.h.w. heating with storage tank, d.h.w. charging via charging pump.
Only with RVD130: Circulating pump optional
3.2.3 Plant type no. 3
Y1
B7
B71
Q1
B1
Y7
B9
N1
B3
Q7
2381S03
A6
M
D.h.w. heating via storage tank, d.h.w. charging via diverting valve.
Only with RVD130: Circulating pump optional
A6 Room unit
B1 Flow temperature sensor (controlled variable)
B3 D.h.w. temperature sensor
B7 Primary return temperature sensor
B71 Secondary return temperature sensor in the heating circuit
B9 Outside sensor
N1 Controller
Q1 Heating circuit pump
Q3 D.h.w. charging pump
Q7 D.h.w. circulating pump
Y1 2-port valve in the primary return
Y7 Diverting valve
Legend for plant types
no. 1...3: