EPA 608 FINAL REVIEW QUESTIONS
VERIFIED COMPLETE ANSWERS 100
PERCENT CORRECT
◉ Why should you never start a hermetic compressor when under
deep vacuum?
Answer: The motor winding could be damaged if energized
◉ What is a receiver? Where is it located and what is the state of
the refrigerant after leaving the receiver?
Answer: Systems using thermal expansion valves will have a
receiver/tank on the outlet side of the condenser, designed to hold
liquid refrigerant.
When leaving the condenser directly or the receiver, the
refrigerant remains a high pressure/high temperature liquid until
it goes to the metering device.
◉ What is the liquid line?
Answer: The line between the condenser and the metering device
is also referred to as the liquid line
◉ What criteria must recovery equipment manufactured after
Nov. 15th, 1993 meet?
, Answer: Certified by EPA laboratory, equipped with low-loss
fittings, and meet stringent vacuum standards. System-dependent
recovery equipment cannot be used on appliances containing
more than 15lbs. of refrigerant
◉ How many inches of mercury vacuum is required for HCFC-22
appliances containing more than 200lbs. of refrigerant using
equipment after Nov. 15th, 1993.
Answer: 0 Inches Hg
◉ What does the EPA consider major repairs?
Answer: Any maintenance, service or repair involving the removal
or any or all of the following components: compressor, condenser,
evaporator or an auxillary heat exchanger coil.
◉ What exceptions are there for evacuation for non-major
repairs?
Answer: Repairs to leaky equipment: repairs to leaky equipment
and non-major repairs
◉ What can you do if you can't reach the required evacuation
levels on leaky equipment?
Answer: Evacuate them to atmospheric pressure (0 psig)
◉ What steps are taken before using recovery equipment?
VERIFIED COMPLETE ANSWERS 100
PERCENT CORRECT
◉ Why should you never start a hermetic compressor when under
deep vacuum?
Answer: The motor winding could be damaged if energized
◉ What is a receiver? Where is it located and what is the state of
the refrigerant after leaving the receiver?
Answer: Systems using thermal expansion valves will have a
receiver/tank on the outlet side of the condenser, designed to hold
liquid refrigerant.
When leaving the condenser directly or the receiver, the
refrigerant remains a high pressure/high temperature liquid until
it goes to the metering device.
◉ What is the liquid line?
Answer: The line between the condenser and the metering device
is also referred to as the liquid line
◉ What criteria must recovery equipment manufactured after
Nov. 15th, 1993 meet?
, Answer: Certified by EPA laboratory, equipped with low-loss
fittings, and meet stringent vacuum standards. System-dependent
recovery equipment cannot be used on appliances containing
more than 15lbs. of refrigerant
◉ How many inches of mercury vacuum is required for HCFC-22
appliances containing more than 200lbs. of refrigerant using
equipment after Nov. 15th, 1993.
Answer: 0 Inches Hg
◉ What does the EPA consider major repairs?
Answer: Any maintenance, service or repair involving the removal
or any or all of the following components: compressor, condenser,
evaporator or an auxillary heat exchanger coil.
◉ What exceptions are there for evacuation for non-major
repairs?
Answer: Repairs to leaky equipment: repairs to leaky equipment
and non-major repairs
◉ What can you do if you can't reach the required evacuation
levels on leaky equipment?
Answer: Evacuate them to atmospheric pressure (0 psig)
◉ What steps are taken before using recovery equipment?
