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Siemens Building Technologies Basic documentation RVD240 CE1P2384en
HVAC Products 32 Engineering 27.05.2004
32.5 Connection diagrams
32.5.1 Low-voltage side
B32B31
B7
B71/U1 B72
B72
B1
DC 0...10 V
B7
2384A01
D1 D2
B3 B31
DB
MB
A6
MD
P1
M
B71
B32
B9
H5B12
B12
B1B9A6
LPB
M-BUS
CM+ CM-
B3
P1
M
B
M
H5
D1 D2
A6
N1
L
N
32.5.2 Mains voltage side
2384A02
AC 230 V
Q1
F1
F3
Y1
Y2
Q1
Q3
Q3
F4
Y5
Y6
Q2
F7
Q2
Y5
F6
Y7
Q4
Y8
K6
Y7
F6
Y7
Q4
Y8
K6
Q4
K6
N1
N1
A6 Room unit
B1 Flow sensor heating circuit 1 or common flow (depending on the type of plant)
B12 Flow sensor heating circuit 1 or 2 (depending on the type of plant)
B3 Flow sensor d.h.w. or flow or return sensor heating circuit 2 (depending on the type of plant)
B31 Storage tank sensor
B32 Storage tank or return sensor (depending on the type of plant)
B7 Primary return sensor (suppression of hydraulic creep)
B71 Primary or secondary return sensor (depending on the type of plant)
B72 Primary or secondary return sensor (suppression of hydraulic creep)
B9 Outside sensor
H5 Heat meter, flow switch, alarm contact, etc.
K6 Circulating pump (depending on the type of plant)
N1 Controller RVD240
P1 Speed-controlled pump (PWM output)
Q1 Heating circuit pump
Q2 Heating circuit or storage tank charging pump (depending on the type of plant)
Q3 D.h.w. intermediate circuit, storage tank charging or circulating pump (depending on the type of plant)
Q4 D.h.w. intermediate circuit / storage tank charging pump
U1 Input DC 0...10 V
Y1 Actuator of 2-port valve in the primary return
Y5 Actuator 2 (depending on the type of plant)
Y7 Actuator 3 (depending on the type of plant)