Field glossary

FDD

Fault detection and diagnostics, software that reads BAS trend data to find faults and name the likely cause

Used across 3 Anvilfield field guides, most in HVAC.

Also defined as

Fault detection and diagnostics, the automated monitoring that reports economizer faults a person cannot see
Fault detection and diagnostics, analytics on BAS data that surface faults like a stuck economizer

Where this shows up