Siemens RVD240 - Page 19

19/126
Siemens Building Technologies Basic documentation RVD240 CE1P2384en
HVAC Products 3 Fundamentals 27.05.2004
Type ref. Diagram Legend
Y1
B7 B71
B1
Q1
B9
A6
Y7 B72
B3
B12
Q2
A6
2384 S01
A6 Room units
B1 Flow sensor heating circuit 1
B12 Flow sensor heating circuit 2
B3 Secondary return sensor heating circuit 2
B7 Primary return sensor heating circuit 1*
B71 Secondary return sensor heating circuit 1
B72 Primary return sensor heating circuit 2*
B9 Outside sensor
Q1 Pump heating circuit 1
Q2 Pump heating circuit 2
Y1 2-port valve primary return heating circuit 2
Y7 2-port valve primary return heating circuit 2
Y1
B7
B1
Q1
B9 A6
Y7 B72
B12
Q2
A6
B31
Q3
B71
2384 S02
Y5
B32
A6 Room units
B1 Flow sensor heating circuit 1
B12 Flow sensor heating circuit 2
B31 Storage tank sensor 1
B32 Storage tank sensor 2
B7 Primary return sensor heating circuit 1*
B71 Return sensor d.h.w. circuit
B72 Primary return sensor heating circuit 2*
B9 Outside sensor
Q1 Pump heating circuit 1
Q2 Pump heating circuit 2
Q3 Circulating pump (optional)
Y1 2-port valve primary return heating circuit 2
Y5 2-port valve d.h.w. primary return
Y7 2-port valve primary return heating circuit 2
B12
Y7
Y5
B72
Q2
A6
2384S03
B3
H5
B71
Q3
Y1 B7
B1
Q1
B9
A6
B32
A6 Room units
B1 Flow sensor heating circuit 1
B12 Flow sensor heating circuit 2
B3 D.h.w. flow sensor
B32 Return sensor d.h.w.
B7 Primary return sensor heating circuit 1*
B71 Primary return sensor d.h.w. circuit
B72 Primary return sensor heating circuit 2*
B9 Outside sensor
H5 Flow switch (optional)
Q1 Pump heating circuit 1
Q2 Pump heating circuit 2
Q3 Circulating pump (optional)
Y1 2-port valve primary return heating circuit 2
Y5 2-port valve d.h.w. primary return
Y7 2-port valve primary return heating circuit 2
Y1
B7
B1
Q1
B9
A6
Y7
B72
B12
Q2
A6
B71
Y5
B3
B32
Q3
Q
B31
b)
a)
2384S04
A6 Room units
B1 Flow sensor heating circuit 1
B12 Flow sensor heating circuit 2
B3 D.h.w. flow sensor
B31 Storage tank sensor 1
B32 Storage tank sensor 2
B7 Primary return sensor heating circuit 1*
B71 Primary return sensor d.h.w. circuit
B72 Primary return sensor heating circuit 2*
B9 Outside sensor
Q Circulating pump (controlled externally, optional)
Q1 Pump heating circuit 1
Q2 Pump heating circuit 2
Q3 Storage tank charging pump
Y1 2-port valve primary return heating circuit 2
Y5 2-port valve d.h.w. primary return
Y7 2-port valve primary return heating circuit 2
* Suppression of hydraulic creep