Silent Knight 6820EVS Intelligent FACP with Emergency Voice System

The 6820EVS is an intelligent addressable fire alarm control panel with an integrated Emergency Voice System. It combines fire alarm and voice functions in a single enclosure, with a supervised microphone and dedicated EVS controls for live paging and message playback. One on-board SLC supports either SK-series or SD-series devices, and the system can expand with additional SLC loops. A built-in dual-path DACT provides IP and POTS reporting, and USB enables quick panel programming. Key Specifications: Type: Intelligent addressable FACP with integrated EVS SLC Capacity: Up to 159 SK detectors + 159 SK modules or 127 SD devices on board; expandable to larger systems with 6815 (SK) or 5815XL (SD) SLC expanders I/O & Synchronization: Six Flexput circuits configurable as NACs or auxiliary power; selectable sync for Amseco, System Sensor, Wheelock, and Gentex appliances Communications: Built-in DACT supporting IP and POTS reporting; optional cellular Programming & Ports: Built-in USB for PC programming; RS-485 for accessories EVS Features: 15 recordable one-minute messages; supports 520 Hz low-frequency tones; supports multiple LOC consoles and distributed amplifiers System Design Aids: JumpStart auto-programming; up to 999 zones and 999 output groups; supports up to 24 SBUS devices Networking: Supports linking multiple panels (copper or fiber) with single-point communications Compatible Modules & Accessories: EVS-50W – 50 W amplifier EVS-100W – 50/100 W amplifier EVS-125W – 125 W amplifier EVS-100WBU – External backup amplifier EVS-INT50W – 50 W internal amplifier EVS-CE4 – 4-circuit audio expander EVS-RVM – Remote voice module EVS-SW24 – 24-switch expander EVS-VCM – Voice control module EVS-LOC – Local operator console 5860 / 5860R / 6860 / 6855 – LCD remote annunciators 5880 – LED I/O module 5883 – 10-relay interface 5824 – Serial/parallel printer interface 5496 – 6 A NAC expander RPS-1000 – 6 A auxiliary supply with Flexput 5815XL (SD) / 6815 (SK) – SLC expanders Compatible Detectors & Devices: SK-PHOTO-W – Photoelectric smoke SK-PHOTO-T-W – Photoelectric + heat SK-HEAT-W – Fixed-temperature heat SK-HEAT-ROR-W – Rate-of-rise heat Also compatible with SD-series (Hochiki protocol) detectors and modules when the panel is programmed for SD devices.