Installation Instructions
Technical data
Installation instructions VRC 470f 0020124645_00 49
14
14 Technical data
i
The range of radio transmission inside build-
ings is heavily dependent on the local condi-
tions (e.g. the design and structure of the
building). Consequently, an indoor range of
25m cannot always be guaranteed. Outside
enclosed spaces (outdoors) the range is more
than 100 m.
14.1 VRC 470f controller
Designation Unit VRC 470f
Operating voltage U
max
V 4 x 1.5 V (AA)
Battery life (alkaline) Years Approx. 1.5
Protection type - IP 20
Protection class - III
Max. permissible
ambient temperature
°C 50
Transmission frequency MHz 868
Transmission power mW
< 10
Range:
Outdoors m
> 100
Inside building m
Approx. 25
Height mm 115
Width mm 147
Depth mm 50
Tab. 14.1 Technical data of VRC 470f radio controller
14.2 Radio receiver unit
Designation Unit Radio receiver unit
Operating voltage U
max
V24
Current consumption mA < 60
Protection type - IP 20
Protection class - III
Max. permissible
ambient temperature
°C 50
Transmission frequency MHz 868
Transmission power mW
< 10
Range:
Outdoors m
> 100
Inside building m
Approx. 25
Height mm 115
Width mm 147
Depth mm 50
Tab. 14.2 Technical data of radio receiver unit
14.3 Outside temperature sensor/transmitter
Designation Unit
Outside tempera-
ture sensor/trans-
mitter VR 21
Power supply -
From solar cell with
energy store
Reserve power supply
(with full energy store)
Days Approx. 20
Protection type - IP 44
Protection class - III
Permissible operating tempera-
ture
°C - 35 … + 60
Transmission frequency MHz 868
Transmission power mW
< 10
Range:
Outdoors m
> 100
Inside building m
Approx. 25
Height mm 110
Width mm 76
Depth mm 41
Tab. 14.3 Technical data of VR 21 outside temperature sensor/
transmitter