8 VI.UH.L4.1C Produced by Danfoss Floor Heating Hydronics 03.2007
Instruction CF-RS Standard Room Thermostat
6. Specications
Temperature setting range 5-35°C
Transmission frequency 868.42MHz
Transmission range in normal
buildings (up to)
30m
Transmission power < 1mW
Battery Alkaline 2xAA, 1.5V
Battery lifetime (up to) 3-4 years
Ambient temperature 0-50°C
IP class 21
7. Troubleshooting
Error Indication Possible Cause
The LED ashes every 5th
minute
Low battery
The LED ashes every 30. sec. Critical low battery
The LED ashes 5 times Installation/Link Test
is unsatisfactory