EKRTWA
Room thermostat
4PW56102-1
Operation manual
19
8. Maintenance
8.1.
Replacing batteries
When the “low battery” icon
r
flashes, batteries need to be
replaced.
Once the icon flashes, you still have
±
30 days to replace them
before the thermostat completely shuts down.
With normal operation conditions the battery lifetime is ±
2 years.
1
At the left of the thermostat, gently push the lid.
2
Remove the front cover by pulling it towards you.
3
Remove the old batteries and insert new ones.
4
Put the thermostat cover back in place until it clicks.
8.2.
Disposal requirements
The batteries supplied with the thermostat are
marked with this symbol.
This means that the batteries shall not be mixed with
unsorted household waste.
If a chemical symbol is printed beneath the symbol, this means
that the battery contains a heavy metal above a certain
concentration. Possible chemical symbols are:
■
Pb: lead (>0.004%).
Waste batteries must be treated at a specialized treatment
facility for re-use.
By ensuring waste batteries are disposed of correctly, you will
help to prevent potential negative consequences for the
environment and human health.
Only use alkaline batteries of type AA.LR6. Refer also
to the technical characteristics in the installation
manual.
1D_OM_4PW56102-1.book Page 19 Thursday, August 27, 2009 10:52 AM