Honeywell International Inc. TH8320ZW01 ユーザーズマニュアル

The thermostat is shipped from the 
factory with the coin cell installed. 
To keep the battery from discharg-
ing during shipment and storage, the 
thermostat is shipped with a plastic 
tab inserted in the battery holder. 
This tab must be removed during 
installation. Simply pull the plastic 
tab out of the battery tray. Make sure 
that the battery tray is fully inserted 
into the thermostat.

Remove tab.

  M32429