32
DEU
ENG
NDL
FRA
ITA
ESP
2.4 Technical data
BSF
20102-04
BSF
20202-04
BSF
20102-08
BSF
20202-08
BSF
20102-12
BSF
20202-12
BSF
40112-04
BSF
40212-04
BSF
40112-08
BSF
40212-08
BSF
40112-12
BSF
40212-12
Ethernet - x - x - x - x - x - x
Number of heating
zones
4 8 12 4 8 12
Number of actuators 2x2 + 2x1 4x2 + 4x1 6x2 + 6x1 2x2 + 2x1 4x2 + 4x1 6x2 + 6x1
Max. nominal load of
all actuators
24 W
Switching power per
heating zone
max. 1 A
Operating voltage 230 V / ±15% / 50 Hz 24 V / ±20% / 50 Hz
Mains connection NYM connection terminals 3 x 1.5 mm² System transformer with mains plug
Power consumption
(without pump)
50 W 50 W (limited by the system transformer)
Power consumption
in idle operation/with
transformer
1.5 W /- 2.4 W /- 1.5 W /- 2.4 W /- 1.5 W /- 2.4 W /-
0.3 W /
0.6 W
1.1 W /
1.4 W
0.3 W /
0.6 W
1.1 W /
1.4 W
0.3 W /
0.6 W
1.1 W /
1.4 W
Protection class II
Protection degree/
overvoltage category
IP20 / III
Fuse 5 x 20 mm, T4AH 5 x 20 mm, T2A
Environment
temperature
0 °C – 60 °C
Storage temperature -25 °C to +70 °C
Humidity 5 to 80%, not condensing
Dimensions 225 x 52 x 75 mm 290 x 52 x 75 mm 355x 52 x 75 mm 305 x 52 x 75 mm 370 x 52 x 75 mm 435 x 52 x 75 mm
Material PC+ABS
Controlling precision
of the target value:
±1 K
Hunting ±0.2 K
Modulation FSK
Carrier frequency 868 MHz, bidirectional
Coverage 25 m in buildings / 250 m in open air
Radiated power max. 10 mW
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