Silent Knight 6820 (Intelligent FACP) Replacement Board

NOTE: The Silent Knight 6820 is a fully backwards compatible direct replacement for the 5820XL. The 6820 Replacement Board is the main control board for the Silent Knight 6820 intelligent addressable fire alarm control panel. It provides one on-board SLC supporting SK or SD devices, a built-in dual-path DACT for IP/POTS reporting, six Flexput I/O circuits, and an integrated 6 A power supply. USB enables quick panel programming. This listing is for the replacement main control board only; cabinet, transformer, batteries, and external accessories are not included. Key Specifications: Type: Intelligent addressable FACP main control board with built-in communicator 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 System Design Aids: JumpStart auto-programming; up to 999 zones and 999 output groups; supports up to 24 SBUS devices Networking: Link up to 17 panels (copper or fiber) for single-point communications Power Supply / Charging: 6 A supply; charging capacity 7–35 Ah; cabinet holds two 18 Ah batteries Primary Power: 120 VAC, 60 Hz, 3.3 A Compatible Modules & Accessories: 6815 – SLC expander for SK devices 5815XL – SLC expander for SD devices 5895XL – 6 A auxiliary power with Flexput and relays 5496 – 6 A NAC expander 5860 / 5860R / 6860 / 6855 – LCD remote annunciators 5880 – LED I/O module 5883 – 10-relay interface 5824 – Serial/parallel printer interface 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.