Connection diagrams
A6
Room unit
B1
Flow temperature sensor
B2
Boiler temperature sensor
B3
Flow temperature sensor for d.h.w.
en
B31
D.h.w. storage tank temperature sensor / thermostat 1
B32
D.h.w. storage tank temperature sensor / thermostat 2
B5
Room temperature sensor
B6
Collector sensor
B7
Return temperature sensor
B9
Outside sensor
E1
2-stage or modulating burner
F1
Limit thermostat
F2
Manual reset safety limit thermostat
LPB
Data bus
Basic connections on the low voltage side – plants with external heat demand signals
L
B9
A6
LPB
D1 D2
B M
L
DB MB A6 MD B9
N
N
Building Technologies
B7
B1
B3
B2
B31
S1
B M
B M
B M
B M
B M
B1 M
B3
B2
B31
B7
M H1
74 319 0619 0 a
M1
Circulating pump / bypass pump
M2
Heating circuit pump
M3
Charging pump
M4
Boiler pump or circulating pump
M5
Collector pump
N1
Controller RVL482
S1
Remote operation "Operating mode"
S2
Remote operation "Flow temperature setpoint"
U1
Solar sensor
U2
Wind sensor
Y1
Actuator "Heating circuit"
Y7
Actuator "D.h.w. circuit" or "Minimum limitation
of boiler return temperature"
1
)
Multifunctional output
B32
B5
S2
B6
B M
B M
B M
-
-
+
+
B32
B5
M
U1
H2
U2 B6
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