Trung tâm báo cháy điều khiển xả khí 5 vùng HORING QSP-120 – 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 […]