Description

Silent Knight 6820 / 6820-EVS Installation Manual

The Silent Knight 6820 / 6820-EVS Installation Manual is the engineering reference for installing the Silent Knight 6820 addressable fire alarm panel and its EVS variant. The 6820 is the larger member of the 6800 series, designed for medium-to-large US commercial installations with extensive expansion options.

What the manual covers

• Cabinet mounting, AC mains wiring, earthing
• Battery sizing for the larger platform
• SLC loop topology with multiple loops
• Silent Knight addressable device wiring and addressing
• NAC wiring with multiple notification circuits
• EVS variant: voice evacuation amplifier integration
• EVS variant: speaker circuit wiring and amplifier sizing
• EVS variant: live announcement and pre-recorded message setup
• Auxiliary I/O, relay and expansion module wiring
• Front-panel and PC tool programming
• Walk test and commissioning sign-off
• NFPA 72 compliance notes for voice evacuation

Who should use this manual

This manual is for fire alarm commissioning engineers deploying Silent Knight 6820 or 6820-EVS panels. The EVS variant requires voice evacuation system competence and careful speaker circuit design for intelligibility compliance.

6820 vs 6808

The 6820 is the larger Silent Knight platform with more loops, more devices per loop, and richer cause-and-effect capability than the smaller 6808. Choose the platform based on installation size and expansion requirements.

Related Silent Knight manuals

For the standalone EVS, see the EVS Installation Manual. For the smaller 5820 platform, see the 5820 / 5820-EVS Installation Manual.

Related fire alarm training

For voice evacuation and SLC-based commissioning principles, see the BH Courses Notifier Fire Alarm Training and the Fire Alarm Training Course.