- Panel and manual pull station count-down simultaneously.
- Discharge delay timer setting (20~999 seconds).
- Cross-zone detection confirmation makes better stability.
- Built-in phone jacks on both panel and manual pull station.
- Expandable to 5 cross-zone detection sections.
- Each section has manual/auto operation mode.
- Wiring trouble inspection.
- Through dipswitch to select the supervision on feed-back signal of agent discharge.
- All 24V output contacts are protected by fuse.
