HVAC Flashcards
What is the correct location of the primary condensate line?
The exterior of the home approximately 6” - 8” AFF (above finished floor).
What is the correct location of the secondary condensate line?
Terminate above a clear glass window and extend past the popout.
Flattened or bent fins on the condenser unit are to be ________________ .
Combed out or straightened
Flue pipes/B-vents above the roof are to be plumb _____ of an inch per foot, with a __________ _________ installed at the bottom.
1/4”
Storm collar
Dryer, hood and exhaust fan vents that terminate on the exterior wall are to be plumb and level within ____________ .
1/16”
Combustion vents, fans, hop over grills and supply registers are to be square within __________ of an inch.
1/16”
What’s the tolerance on HVAC trim for dents, bends from over-tightening of screws or indentations?
No tolerance
Scratches on HVAC trim/screws can be touched up if not visible from _________ feet.
6’
Which combustion vent louvers are pointed down?
The 2 exterior vents, and the interior bottom vent
Which combustion vents louvers are pointed up?
The interior upper vent
What’s the rule for the direction of fins on a hop over vent?
Point open fins toward the nearest wall away from traffic.
Should exhaust fans rattle, vibrate or have visible wires?
No
How far do we keep registers and exhaust fans from walls in the laundry room? Why?
16”
Future upper cabinets
Should there be any dirty filters in the home?
No
Should there be any debris sticking out of HVAC trims?
No
