Connection Diagrams - Siemens RVL481 Basic Documentation

Low-voltage side
Mains voltage side
110/118
Siemens
Building Technologies
30.2

Connection diagrams

L
A6 B9 B1
LPB
B M B M
D1 D2
L DB MB A6 MD B9 B1 M
N
N
Basic connections for plant types with 3-position control (mixing valve)
L
L F1/F4 F2/F5
Y1/K4 Y2/K5 Q5
N
Y1 Y2
N
M5
Y1
N
Basic connections for plant types with 2-position control (boiler with a 2-stage
burner)
L
L F4
F2/F5 Y2/K5 Y1/K4
N
F1 F2
N
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
Heating and D.h.w. Controller RVL481
30 Engineering
B3 B31 B7 S1
B M B M
B M
-
+
B3 Ux B31 B7 M H1
F3
F7
Q1 Q3/Y3 Q4 K6
1 )
M1 M3 M4
Y3
F3
Q5 Q1 Q3/Y3
1.
M5 M1 M3
2.
B32 B5
B71
B M
B M B M
B32 B5 M B71 H4 H3
F6
Y7 Y8
N1
Y1 Y2
N
Y7
F7 F6
Y7 Y8
Q4 K6
1 )
Y1 Y2
N
Y3 M4
Y7
Y1
B6
B M
B6
N1
N1
CE1P2541en
20.05.2008