Siemens RVD240 Basic Documentation page 21

B9
Y1 B7
B9
Y1
B9
Y1 B7
B9
Y1
Siemens Building Technologies
HVAC Products
A6 A6
B12
B72
Q2
Q1
Y5
B1
Q3
B71
A6
B12
B72
Q1
Q2
Y5 Y7
B1
B7
B71
A6
B12
B3
B72
Q1
Q2
Y5
Y7
B1
B71
A6
B12
Q1
Q2
Y7
B1
B7 B71
B3
Q3
Y5 B72 B32
Basic documentation RVD240
3 Fundamentals
B31
B3
B32
Q4
A6
B3
B71
A6
B71
Q3 B31
B32
B71
A6
B71
H5
A6 Room units
B1 Common flow sensor
B12 Flow sensor heating circuit 2
B3 D.h.w. flow sensor
B31 Storage tank sensor 1
B32 Storage tank sensor 2
B7 Common primary return sensor*
K6
B71 Common secondary return sensor
B72 Return sensor heating circuit 2
B9 Outside sensor
K6 Circulating pump (optional)
Q1 Pump heating circuit 1
Q2 Pump heating circuit 2
Q3 D.h.w. intermediate circuit pump
Q4 Storage tank charging pump
Y1 2-port valve common primary return
Y5 Mixing valve heating circuit 2
A6 Room units
B1 Common flow sensor
B12 Flow sensor heating circuit 1
B3 Flow sensor heating circuit 2
B7 Common primary return sensor*
B71 Sensor common secondary return or return
sensor heating circuit 2
B72 Return sensor heating circuit 1
B9 Outside sensor
Q1 Pump heating circuit 1
Q2 Pump heating circuit 2
Y1 2-port valve common primary return
Y5 Mixing valve heating circuit 1
Y7 Mixing valve heating circuit 2
A6 Room units
B1 Common flow sensor
B12 Flow sensor heating circuit 1
B3 Flow sensor heating circuit 2
B31 Storage tank sensor 1
B32 Storage tank sensor 2
B7 Common primary return sensor*
B71 Sensor common secondary return or return
sensor heating circuit 2 or return sensor
Q
d.h.w. circuit (only if Q3 is speed-controlled)
B72 Return sensor heating circuit 1
B9 Outside sensor
Q Circulating pump (controlled externally, op-
tional)
Q1 Pump heating circuit 1
Q2 Pump heating circuit 2
Q3 D.h.w. intermediate circuit pump
Y1 2-port valve common primary return
Y5 Mixing valve heating circuit 1
Y7 Mixing valve heating circuit 2
A6 Room units
B1 Sensor common heating circuit flow
B12 Flow sensor heating circuit 2
B3 Flow sensor d.h.w. circuit
B32 Return sensor d.h.w. circuit
B7 Sensor common primary return heating cir-
cuit*
B71 Sensor common secondary return heating
circuit or return sensor heating circuit 2
B72 Return sensor d.h.w. circuit
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 common heating circuit flow
Y5 2-port valve d.h.w. primary return
Y7 Mixing valve heating circuit 2
* Suppression of hydraulic creep
21/126
CE1P2384en
27.05.2004