Siemens RVD230 - Page 18

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Siemens Building Technologies Basic Documentation RVD230 CE1P2383en
HVAC Products 3 Fundamentals 27.05.2004
Type ref. Diagram Legend
2383S01
H5
B3
Q3
B32B72
Y5
B9
B3 D.h.w. flow sensor
B32 Return sensor d.h.w.
B72 Primary return sensor
B9 Outside sensor (optional, display only)
H5 Flow switch (optional)
Q3 Circulating pump (optional)
Y5 2-port valve primary return
Y5
B9
B3
B32
Q3
K6
2383S02
B31
B72
a)
b)
B3 D.h.w. flow sensor
B31 Storage tank sensor 1
B32 Storage tank sensor 2
B72 Primary return sensor
B9 Outside sensor (optional, display only)
K6 Circulating pump (optional)
Q3 Storage tank charging pump
Y5 2-port valve primary return
B31
K6
B72
B3Q3
B9
2383 S03
Y5
B32
B3 D.h.w. flow sensor
B31 Storage tank sensor 1
B32 Storage tank sensor 2
B72 Primary return sensor
B9 Outside sensor (optional, display only)
K6 Circulating pump (optional)
Q3 D.h.w. intermediate circuit pump
Y5 2-port valve d.h.w. primary return
Y5
B9
B12
B32
Q4
K6
2383S04
B31
B72
a)
b)
B3
Q3
B12 D.h.w. flow sensor
B3 D.h.w. flow sensor
B31 Storage tank sensor 1
B32 Storage tank sensor 2
B72 Primary return sensor
B9 Outside sensor (optional, display only)
K6 Circulating pump (optional)
Q3 D.h.w. intermediate circuit pump
Q4 Storage tank charging pump
Y5 2-port valve d.h.w. primary return
Y1 B7
B71
B1
Q1
B9
A6
2383S05
A6 Room unit
B1 Flow sensor heating circuit
B7 Primary return sensor*
B71 Secondary return sensor
B9 Outside sensor
Q1 Heating circuit pump
Y1 2-port valve primary return
Y1 B7
B71
B1
Q1
B9
A6
B31
K6
B72
2383S06
Y5
B32
A6 Room unit
B1 Flow sensor heating circuit
B31 Storage tank sensor 1
B32 Storage tank sensor 2
B7 Primary return sensor heating circuit*
B71 Secondary return sensor heating circuit
B72 Primary return sensor d.h.w.
B9 Outside sensor
K6 Circulating pump (optional)
Q1 Heating circuit pump
Y1 2-port valve heating circuit primary return
Y5 2-port valve d.h.w. primary return
B1
Y1
Y5
B7
Q1
A6
B9
2383S07
B32
B3
H5B72
Q3
B71
A6 Room unit
B1 Flow sensor heating circuit
B3 D.h.w. flow sensor
B32 Return sensor d.h.w. circuit
B7 Primary return sensor heating circuit*
B71 Secondary return sensor heating circuit
B72 Primary return sensor d.h.w. circuit
B9 Outside sensor
H5 Flow switch (optional)
Q1 Heating circuit pump
Q3 Circulating pump (optional)
Y1 2-port valve heating circuit primary return
Y5 2-port valve d.h.w. primary return
a) Circulating pump feeding water into the heat exchanger’s return
b) Circulating pump feeding water into the storage tank
* Suppression of hydraulic creep