
Appendix
0020212888_01 vSMART Installation and maintenance instructions
15
Appendix
A
Faults
–
Overview
Symbol
Meaning
Remedy
Batteries almost flat.
–
Replace the batteries in the thermostat.
Batteries flat.
–
Replace the batteries in the thermostat.
No connection to the communication unit.
–
Reduce the distance between the thermostat and the communication
unit.
B
Technical data
B.1
Technical data
–
Thermostat
Power supply
3 x 1.5 V (AAA)
Battery life
Approx. 2 years
Level of protection
IP20
Protection class
III
Degree of contamination
II
Ambient temperature
≤
50
℃
Adjustable temperature
range
7 … 30
℃
Transmission frequency
for thermostat
–
commu-
nication unit
868 MHz
Содержание VSMART
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