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Siemens Heating and D.h.w. Controller RVL481 CE1P2541en
Building Technologies 30 Engineering 20.05.2008
30.2 Connection diagrams
AC 230 V
B5B31 B7
B32
B3
B31
2541A01
D1 D2
B3
L
N
B32 M
B6
LPB
B6
DB
MB A6 MD B9 B1
M
MH1
N1
BM
BM
BM
BM
B
MBM
B
M
BM
B9
A6 B1
B7
S1
B5
L
N
Ux
DC 0...10 V
+
-
B71
BM
B71
H4 H3
Y1
Basic connections for plant types with 3-position control (mixing valve)
Y1
Y1 Y2
N
2541A02
F7
M3
Q3/Y3
F6
Y7
Y7 Y8
Q1
M1
M4
Q4
M5
Q5
K6
1
)
Y1/K4
Y2/K5
F2/F5
AC 230 V
L
N
N1
Y3
F3
Y1 Y2
N
F1/F4
L
N
Basic connections for plant types with 2-position control (boiler with a 2-stage
burner)
1.
F1 F2
2541A03
F7
M3
Q3/Y3
F6
Y7
Y7
Y8
AC 230 V
Q1
M1 M4
Q4
M5
Q5
L
2.
K6
1
)
Y1/K4
Y2/K5
F2/F5
N
N1
Y3
F3
Y1 Y2
N
L
N
F4
A6 Room unit
B1 Flow / boiler sensor
B3 D.h.w. flow sensor
B31 Storage tank sensor / thermostat 1
B32 Storage tank sensor / thermostat 2
B5 Room sensor
B6 Collector sensor
B7 Return sensor (primary circuit)
B71 Return sensor (secondary circuit)
B9 Outside sensor
E1 2-stage burner
F1 Thermal reset limit thermostat
F2 Safety limit thermostat
LPB Data bus
M1 Heating circuit pump / circulating pump
M3 Charging pump
M4 Circulating pump
M5 Collector pump
N1 Controller RVL481
S1 Remote operation "Operating mode"
Ux Heat demand output
Y1 Actuator for heating circuit, with contact for minimum stroke limitation
Y3 Actuator of changeover
valve
Y7 Actuator for d.h.w. circuit
* Wire link for locking the district heat parameters
1
) Multifunctional output
Low-voltage side
Mains voltage side