HVAC Flashcards
Condensate lines should slope a minimum of __________ inch per foot away from the pan, with no _________, ___________, __________.
1/8”
No reverse fall
Humps
Bellies
Primary condensate lines are installed on the exterior of the home _________ AFF, extend ________ inches past the stucco with a 90 degree elbow pointing down.
6” - 8”
2” - 3”
Secondary condensate lines should terminate above ______________________ .
A clear window
Line sets at exterior wall jacks are to be sealed with ___________________ or ________________.
An approved sealer
UV resistant tape
Flattened fins on condenser units are that are greater than ____________ inches are to be combed out.
16 square inches
_________________, ________________ and _____________ on the exterior wall are to be plumb, level, square no tolerance.
Hood
Dryer
Exhaust fans
Combustion vents, fans, grills, and registers to be installed plumb, level and square within ___________ of an inch.
1/16”
Combustion vents, fans, grills, and registers are to have no ____________, _______________, _______________.
Dents
Indentations
Bends from over-tightening the screws
Scratches on trim/screws can be touched up if visible from _______ feet.
6’
The interior upper combustion vent is to be installed with the fins ____________________.
Pointing up
The exterior combustion vents, and interior bottom vent installed with the fins ____________________.
Pointed down
Louvers on hop over grills to point ________________________________.
Toward the nearest wall away from traffic
Exhaust fan blades to spin freely, no ______________, _____________, __________________, ________________.
Rattling
Vibration
Binding
Visible wires
Registers and exhaust fans in laundry to be a minimum of __________ inches sway from the wall for future cabinets.
16”
______________ ________________ installed at all filtered returns and air grills.
Clean filters
