Service Panel

Service Panel: Fabricated piece of metal making up a
part of the structural shell of a piece of mechanical
equipment. Often allows for entry to service equipment.
Shall: (See “Must”)
Shiplap Tool: Specialized cutting tool for fabricating
fibrous glass board.
Should: Indicates a recommendation, or that which is
advised by this standard, but is not mandatory (See
“Highly Recommended”).
Sleeve Collar: Fabricated door frame extension used to
install typical surface-mount access doors in fibrous
glass ductboard.
SMACNA: Sheet Metal and Air Conditioning Contractors’
National Association.
Source Removal: See “Mechanical Cleaning.”
Stain: A remaining discoloration on the HVAC system
surface after contact vacuuming, which cannot be
removed.