Silent Knight / Farenhyt · Silent Knight 6000 Series

6820 Fire Alarm Panel Reference

Earlier Silent Knight/Farenhyt high-capacity addressable panel generation preceding the 6820U ULTRA platform.

Ask AI about this panel Manufacturer documentation

How to identify this generation

Model label is 6820 without the U suffix.
Do not assume 6820U procedures, firmware, or feature set apply to the original 6820.

Manufacturer: Silent Knight / Farenhyt
Family: Silent Knight 6000 Series
Generation: pre-ULTRA

Manufacturer documentation

Official product / platform page

Silent Knight Document Center — Honeywell

No public manufacturer manual verified from the current product page.

FireAlarmGuy links manufacturer-hosted material only when it can be verified on the manufacturer’s own site.

Field notes

Verify the exact suffix before using ULTRA-series instructions.
Capture panel/network configuration before planning an upgrade.
Treat panel availability and parts support as separate checks.

Use the exact generation. Similar model names can have different hardware, firmware, menus, programming tools, device support, and service procedures.

Ask Fire Alarm Guy AI with the panel already identified

The button carries Silent Knight / Farenhyt 6820 into the AI question so a short field question like “what does audio riser trouble mean?” keeps the exact panel context.

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Related FireAlarmGuy resources

Field-use reminder: This page is a FireAlarmGuy reference, not a substitute for the manufacturer manual, approved drawings, site procedures, adopted codes, or AHJ requirements.