Engineering; Connection Terminals - Siemens RVD230 Basic Documentation

Low-voltage side
Mains voltage side
Siemens Building Technologies
HVAC Products
33

Engineering

33.1

Connection terminals

1 2 3 4 5
DB MB A6 MD B9 B1 M B3 B7
N
-
N L F1 Y1 Y2
1 2 3 4 5 6
A6 PPS (point-to-point interface), connection of room unit / room temperature sensor QAW70, QAW50 /
QAA10
B1 Flow sensor
B12 Additional heating circuit or d.h.w. flow sensor
B3 D.h.w. flow sensor
B31 Storage tank sensor
B32 Storage tank or return sensor
B7 Primary return sensor
B71 / U1 Return sensor / analog input DC 0...10 V
B72 Return sensor
B9 Outside sensor
CM– Digital M-bus connection facility (bipolar)
CM+ Digital M-bus connection facility (bipolar)
DB LPB connection facility
H5 Digital input (heat meter pulses, alarms, flow switch, external heat demand)
M Ground for sensors (analog)
MB LPB ground
MD Ground for PPS (digital)
P1 PWM output for speed-controlled pumps
L Live AC 230 V
N Neutral AC 230 V
F1 Input for Y1 and Y2
Y1 Control output for valve on the primary side OPEN
Y2 Control output for valve on the primary side CLOSED
F3 Input for Q1 and Q3
Q1 Control output for heating circuit / system pump ON
Q3 Control output for d.h.w. intermediate circuit pump or diverting valve ON
F4 Input for Y5 and Y6
Y5 Control output for d.h.w. valve OPEN
Y6 Control output for d.h.w. valve CLOSED
F7 Input for Q2
Q2 Heating circuit / storage tank charging pump ON
F6 Input for Y7/Q4 and Y8/K6
Y7 Control output for valve OPEN
Y8 Control output for valve CLOSED
Q4 Control output for d.h.w. intermediate circuit / storage tank charging pump
K6 Control output for circulating pump ON
The base contains 2 auxiliary terminals N and
Basic Documentation RVD230
33 Engineering
6 7 8 9 10 11
B71
P1
/U1
-
F3 Q1 Q3 F4 Y5 Y6 F7
7 8 9 10 11 12
12 13 14 15 16 17 18
M B72 B31 B32 M B12 H5
Y7
- -
Q2 F6
Q4
13 14 15 16 17 18 19
19 20
CM CM
+
Y8
K6
20
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CE1P2383en
27.05.2004