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608 Type II Technician

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show Anyone who will perform maintenance, service, or repair that it is reasonably expected to release CFC or HCFC into the atmosphere.  
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show Type I, Type II, Type III and Universal  
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show No, but it can change in the future  
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Who's responsibility is it to comply to any regulation changes?   show
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show Any high or very high pressure refrigerants.  
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show Boiling points between -58 degrees and 50 degrees F at atmospheric pressure.  
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show R-12, R-22, R-502, and R134a  
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What is considered very high pressure refrigerants?   show
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What are typical refrigerants used in very high pressure refrigerants?   show
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What is a compressor heater used for?   show
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What is a Low Loss Fitting?   show
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What is considered a major repair?   show
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What is a moisture-indicating sight glass used for?   show
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show In the crankcase of the compressor when the refrigerant separates from the oil.  
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What is Self-contained Recovery Equipment?   show
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show A recovery system that requires the assistance of components contained in the appliance. The pressure of the refrigerant in the appliance and capture refrigerant in a non-pressurized container.  
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What does ASHRAE Standard 34 state?   show
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What are the six classifications of the ASHRAE Standard 34?   show
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What does the A or B signify in the ASHRAE Standard 34?   show
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show The flammability  
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What does ASHARE Standard 15 state?   show
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When are Owners required to do repairs?   show
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When are industrial process and commercial refrigeration equipment required to do repairs?   show
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show If the annual leak is 15% or greater.  
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show Visual inspection, halide torch, electronic or ultrasonic leak detector, soap bubble test, and pressure test.  
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show No, dry nitrogen is the safest.  
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What are the common sources of leaks?   show
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What is required for proper and efficient servicing, repair, and recovery?   show
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show Compressor, condenser, receiver, liquid line, metering device, evaporator, accumulator, and suction line.  
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What are the refrigerant conditions?   show
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What is the exception to the evacuation requirements?   show
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show That recovery devices made after November 15, 1993 has to be certified by a third party EPA approved lab.  
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What should you do before recovering refrigerant from an appliance?   show
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show You have to use a recovery device, hoses, gauges, and vacuum pump dedicated for R134a only.  
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show Connect one hose to the liquid line, receiver, or condenser outlet (bottom) if below receiver.  
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What happens when you are recovering in the vapor stage?   show
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show Recover the liquid first. Finish by recovering the vapor.  
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How can you speed up the recovery process?   show
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show It could overheat while pulling a deep vacuum.  
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show Isolate the system and hold the vacuum. If the pressure doesn't rise, it indicates that all the liquid refrigerant has been evacuated.  
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What should you do after the recovery process?   show
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show Cause trapped moisture to freeze.  
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show Add nitrogen to increase pressure to counteract moisture.  
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If there is a filter-dryer installed in the system what should happen?   show
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show Regulation for transporting explosives and other dangerous articles.  
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What type of storage and recovery containers should you use?   show
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show Leak check the device, check and change oil if needed, know the refrigeration systems refrigerant, assure the vacuum pump is capable of pulling 500 microns, and check service valve positions.  
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When should you not energize a compressor?   show
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show High discharge pressure  
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show Pressure Regulator  
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show Functioning pressure relief device.  
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If the pressure relief device is malfunctioning, corroded, or damaged what should you do?   show
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show In Parallel to the system.  
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show An alcohol spray.  
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Created by: DooleyDiesel