Change Batteries Of Room Units And Probes - Rehau NEA SMART 2.0 Service Manual

8.4.3

Change batteries of Room Units and Probes

If you have opted for a radio-controlled system, you will see the
battery status of the individual room units the NEA SMART 2.0 App.
When the battery life comes to an end, you will be notified, and you
should replace the batteries.
Please use two AAA 1.5 V Micro LR03 batteries. Rechargeable
batteries may not be used.
The BUS room units display a power plug instead of a battery symbol.
There are no batteries to be changed.
If the "battery weak" message occurs, the batteries must be changed.
To do this, open the housing of the NEA SMART 2.0 Room Unit with a
screwdriver (recommended width: 5 mm).
a
Fig. 8-37 Opening the NEA SMART 2.0 Room Unit
Remove the batteries from the holder and insert new batteries (type
AAA). Observe polarity! See imprint on the board.
Fig. 8-38 NEA SMART 2.0 Room Unit battery change
92
b
Then close the front panel again.
Fig. 8-39 NEA SMART 2.0 Room Unit: Close front panel
Depending on the installation place and the use of the
room units, a battery change of the radio-operated
room units is necessary approximately every 2 years.
The upcoming battery change is indicated by a symbol on the
display of the room unit as well as an icon in the NEA SMART
2.0 App.