Connection Diagrams; Low-Voltage Side; Mains Voltage Side - Siemens RVD240 Basic Documentation

Siemens Building Technologies
HVAC Products
32.5

Connection diagrams

32.5.1 Low-voltage side

A6 A6 B9 B1
D1 D2 D1 D2 B M
A6 MD B1 B3
B9
DB MB
LPB

32.5.2 Mains voltage side

F3
F1
Y1 Y2 Q1
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)
Basic documentation RVD240
32 Engineering
B3 B71 P1
B7
B7
B71/U1 P1 M
F7
F4
Q3 Y6 Q2
Y5
Q1 Q3 Y5
B31
B72 B32 B12
M B12
B72 B31 B32
CM+ CM-
M-BUS
F6 F6
Y7 Y8
Y7
Q4
K6 Q4
N1
Q2
Y7
H5
H5 L
N
N1
Y8
K6
N1
Q4 K6
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CE1P2384en
27.05.2004