Final Test Flashcards
The temperature when water vapor can begin condensing out of the air is called what?
DEW POINT
When a technician finds a high split across an evaporative coil this is could be and indicator of
Dirty filter
Clogged coils
Return duct restriction
Malfunctioning or non working fan motor
No venting CFC & HCFC
July 1,1992
Technician certification
November 14, 1994
No HFC venting
November 15, 1995
Machinery, Dates, equipment dates
November 15,1993
No longer manufactured or imported (CFC)
December 31, 1995
Reclamation (tested like new)
virgin like state
ARI 700
Recovery & Recycling
ARI 740
Rupture Disc
Burst at 15psig- test no more than 10psig
Leak Repair
Commercial >35% (everything else >15%
High efficiency purge unit
More air less refrigerant
Purge unit
Auction off the top of the condenser
Where would you find a receiver on a commercial system for comfort A/C
After the condenser in the liquid line
On a commercial straight cool A/C with a liquid line restriction what kind of super heat and sub cooling would you expect to find
High superheat and high sub-cooling
