Building Technologies
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en
Connection diagrams
A6
Room unit
M1
Circulating pump / bypass pump
B1
Flow temperature sensor
M2
Heating circuit pump
B2
Boiler temperature sensor
M3
Charging pump
B3
Flow temperature sensor for d.h.w.
M4
Boiler pump or circulating pump
B31
D.h.w. storage tank temperature sensor / thermostat 1
M5
Collector pump
B32
D.h.w. storage tank temperature sensor / thermostat 2
N1
Controller RVL482
B5
Room temperature sensor
S1
Remote operation "Operating mode"
B6
Collector sensor
S2
Remote operation "Flow temperature setpoint"
B7
Return temperature sensor
U1
Solar sensor
B9
Outside sensor
U2
Wind sensor
E1
2-stage or modulating burner
Y1
Actuator "Heating circuit"
F1 Limit
thermostat
F2
Manual reset safety limit thermostat
Y7
Actuator "D.h.w. circuit" or "Minimum limitation
of boiler return temperature"
LPB Data
bus
1
) Multifunctional
output
Basic connections on the low voltage side – plants with external heat demand signals
AC
23
0 V
B5
B31
B7
B2
B32
B3
DC 0.
..
10
V
B31
2542
A
01
D1 D2
B3
S2
L
N
B2
B32
U1
+
-
-
DC 0.
..
10
V
M
H2
+
U2 B6
LPB
B6
DB MB A6 MD B9
B1 M
M H1
N1
B M
B M
B M
B M
B M
B M
B M
B M
B M
B9
A6
B1
B7
S1
B5
L
N
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