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Siemens Building Technologies Basic Documentation RVL471 CE1P2524E
HVAC Products 29 Engineering 23.10.2002
29.2 Connection diagrams
29.2.1 Low-voltage side
AC 230 V
B9 B71B5Ux B31 B7
B32
B32
B3
DC 0...10 V
B31
2524A01
D1
D2
B3 B71
L
N
29.2.2 Mains voltage side
Basic connections for plant types with 3-position control (mixing valve)
AC 230 V
2524A02
F7
F6
M3 M4
Y7
Q3/Y3
Q4
K6
Y7
Y8
Y3
1
)
Basic connections for plant types with 2-position control (boiler with a 2-stage
burner)
AC 230 V
1.
2.
F1
F2
2524A03
F7
F6
M3
M4
Y7
Q3/Y3
Q4
K6
Y7
Y8
Y3
1
)
A6 Room unit QAW50 or QAW70 LPB Data bus
B1 Flow / boiler sensor M1 Heating circuit pump / circulating pump
B3 D.h.w. flow sensor M3 Charging pump
B31 Storage tank sensor / thermostat 1 M4 Circulating pump
B32 Storage tank sensor / thermostat 2 N1 Controller RVL471
B5 Room sensor S1 Remote operation "Operating mode"
B7 Return sensor (primary circuit)
B71 Return sensor (secondary circuit)
Y1 Actuator for heating circuit, with contact for minimum
stroke limitation
B9 Outside sensor Y3 Actuator of diverting valve
E1 2-stage burner Y7 Actuator for d.h.w. circuit
F1 Thermal reset limit thermostat * Wire link for locking the district heat parameters
F2 Safety limit thermostat
1
) Multifunctional output
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