EPA Potpourri
EPA is short for...
Enviromental
Protection
Agency
What appliances are covered in Type 3
Low Pressure
this is the same pressure as 0 psig
14.7 psia
Pull a vacuum to this level
500 microns
When Leak testing with nitrogen, you must also use this
pressure regulator
Most High pressure gauges read as high as
800 psig
The rupture disc on a type 3 appliance opens at
15 psig
What does GWP mean
Global Warming Potential
If you have moisture in the system, you could potentially freeze it when pulling a vacuum. Doing this can help with removing moisture quickly
Breaking vacuum with nitrogen
or
triple evacuating
This will get you close enough to the leak, but wont pin point it
Electronic Leak Detector
Chloro
Flouro
Carbon
Check Low-Lows for leaks if the vacuum gauge rises from 1 mm HG to this
2.5 mm HG or higher
Free Points.
+600
After repairing a leak, and before pulling a vacuum, you should replace this.
Filter drier
The leak threshold rate for systems that cool products
20% annually of the name plate charge
Your title when you pass all exams
EPA Universally Certified Technician
a 350 ton r123 chiller has approximately how many pounds of refrigerant if the gauge reads 0 psig?
100lbs (give or take)
The only approved "Drop In" substitute
Nothing
To reclaim refrigerant means to ___________________
restore it to levels equal to new/virgin conditions.
Standard 15-2013
This certification covers MVAC systems
R609a automotive refrigeration certification
A technician working on an R22 chiller must be certified as ?
Type 2 or Universal
How many years can chlorine atoms survive in the stratosphere
120
"_______________" recovery devices has its own means to draw/remove refrigerant from the appliance
Self Contained (Active)
This "slick" can help you find the area of a leak
oil