Wireless thermostat set „FS20 STR“

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9. Changing the battery of the ‘FS20 STR’

If the battery icon ‘ ‘ appears in the LC display, the battery voltage is low and the batteries will have to be replaced.

To replace the batteries, proceed as follows:

• Take the wireless thermostat off the wall holder and open the cover of the battery compartment cover (slide down in the direction of the arrow on the cover).

• Remove the empty batteries from the battery compartment and dispose of them according to the applicable environmental regulations, see section 14. b).

• Insert two new AA batteries; make sure the polarity is correct. The polarity is embossed on the battery compartment.

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Use high-quality alkaline batteries for the longest possible operation.

• Close the battery compartment.

• Then enter the date and time (as for initial operation, see section 6. e).

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The time program settings, comfort/lowering temperature, etc. are maintained and need not be entered again.