RADEMACHER DuoFern Installation And Commissioning Manual page 11

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8. Inserting / changing the battery
1.
Carefully open the cover on both sides by gently turning the
screwdriver.
2.
Slide the battery provided into the battery compartment with
the plus pole (+) pointing upwards.
A flat, non-metallic object can be used to slide the old
battery out of the battery compartment when changing a
battery. Metallic screwdrivers can damage the PCB.
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You can insert or remove the battery from both
sides of the battery compartment.
EN
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