Type 1
What appliances can a Type 1 Tech work on?
What is hermetically sealed, factory charged 5 lbs or less appliance.
What has a yellow top and grey body?
What is recovery cylinder.
What appliances can Type 2 techs work on?
What is medium, high, and very high appliances
What state does the refrigerant enter the compressor?
What is Low pressure vapor
What appliances can Type 3 techs work on?
What is Low pressure appliances.
What is an example of a Type 1 appliance?
Window air conditioners, domestic refrigerators, freezers, small water coolers, vending machines
What device is used for evacuation?
What is vacuum pump
What are the percentages for leak requirements
10% Comfort Cooling
20% Commercial Refrigeration
30% Industrial process refrigeration
What device changes refrigerant from high to low pressure?
What is metering device?
Where is the purge unit?
What is on top of the condenser
What is not required but recommended by EPA to do?
What is repair a leak
What prevents flood back to the compressor?
What is Accumulator
Where can you find the leak testing pressure for a system?
What is minimum pressure on the name plate?
When Refrigerant and liquid mix, What does it create?
What is acid and phosgene gas
What is the main purpose of a purge unit?
What is to remove non-condensables?
What type of refrigerant is used in domestic refrigerators
R-290, R-450, R-600a
What type of pressure is R-123?
What is Low pressure refrigerant
What is the required evacuation level for medium pressure appliances with less than 200 lbs
10" Hg
What are the 2 service valves called?
What is Liquid, Suction
What is the maximum pressure that can be inside a low pressure system
What is 10 PSIG
What color tank is R-22 Refrigerant
What is Lime Green
When was EPA created
What is December 2, 1970
What is reintroduced into the chiller after being dehydrated?
Refrigerant vapor