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.
Help!
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| 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