Siemens RVL481 - 30 Engineering; Connection Terminals; Low-Voltage Side; Mains Voltage Side

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Siemens Heating and D.h.w. Controller RVL481 CE1P2541en
Building Technologies 30 Engineering 20.05.2008
30 Engineering
30.1 Connection terminals
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
N
B9 B7 B71B5
Ux
B31 B32
B3
M
2541Z08
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
M
B6
N
L
F1
/F4
Y1
/K4
F2
/F5
Y2
/K5
F3
Q1
Q3
/Y3
F7
Q4
K6
F6
Y7
Y8
Q5
30.1.1 Low-voltage side
DB Data LPB
MB Ground for LPB
A6 PPS (point-to-point interface), connection of room unit
MD Ground for PPS
B9 Outside sensor
B1 Flow or boiler sensor
M Ground for sensors, changeover contacts and signal output (e times)
B3 D.h.w. flow sensor
Ux Heat demand output
B31 Storage tank sensor / thermostat 1
B7 Return sensor (primary circuit)
H1 Changeover contact "Operating mode"
B32 Storage tank sensor / thermostat 2
B5 Room sensor
B71 Return sensor (secondary circuit)
H4 Minimum stroke limitation (Y
min
contact)
H3 Contact for locking the district heat parameters
B6 Collector sensor
In addition to the standard connection terminals, there is an auxiliary terminal M available.
30.1.2 Mains voltage side
N Neutral conductor AC 230 V
L Live conductor AC 230 V
F1/F4 Input for Y1/K4
Y1/K4 Heating circuit mixing valve OPEN / first burner stage
F2/F5 Input for Y2/K5
Y2/K5 Heating circuit mixing valve CLOSED / second burner stage
Q5 Collector pump
F3 Input for Q5, Q1and Q3/Y3
Q1 Heating circuit pump / circulating pump
Q3/Y3 Charging pump or changeover valve
F7 Input for Q4 and K6
Q4 Circulating pump
K6 Multifunctional relay
F6 Input for Y7 and Y8
Y7 D.h.w. mixing valve / valve OPEN
Y8 D.h.w. mixing valve / valve CLOSED
In addition to the standard connection terminals, there are 2 auxiliary terminals for
N and
available.