What battery size does the NFW2-100 require, and how do I silence a battery trouble condition after replacement?
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The NFW2-100 supports internal batteries ranging from 7 AH to 18 AH (Page 131) [14].
For larger power requirements, the system can support up to 75 AH using a CHG-75 charger or up to 120 AH with a CHG-120 charger, both of which require an external NFS-LBB battery box (Page 19) [11].
To silence the local piezo after replacing the batteries, press the Acknowledge/Step or Alarm Silence key (Page 127) [14].
The panel will automatically restore the trouble condition and return to normal operation once it detects the functional battery (Page 127) [14].