Locking Quadrants And Set Points
Moving a balanced damper and killing the air balance
Green / Field Check2ndBatch 5
What This Helps With
Moving a balanced damper and killing the air balance
Apprentice words: locked damper
Trade terms: locking quadrant, balanced set point
Check First
That it was balanced and locked on purpose
What Not To Do
Loosen or re-set a locked balancing damper
What can go wrong: Air balance is thrown off and TAB has to redo it
Better Foreman Question
Was this damper balanced already — should I leave it set?
Verify With
Reference type: balancing scope
Source to verify: TAB scope; foreman
Safe wording: Respect balanced/locked dampers.