Quickcomputerstips
Refrigerant
How often does a central unit need refueled?
How often does a central air conditioner need to be recharged? If everything is working properly, your AC should never need refrigerant. In fact, a ce...
What must be done to the refrigerant that is vented off the top when filling a charging cylinder?
What should a technician do if the refrigerant in a recovery cylinder? What should a technician do if the refrigerant in a recovery cylinder is suspec...
A very large refrigerant leak can cause suffocation because refrigerants
What acids can CFC and HCFC refrigerants decompose into at high temperatures eg open flames glowing metal surfaces etc )? What acids can CFC and HCFC ...
Which of the following is required when attaching a gauge set to check system pressures?
What should a technician do if the refrigerant in a recovery cylinder is suspected to be contaminated? What should a technician do if the refrigerant ...
When r-410a is recovered from an appliance, it
Does R-410A need to be recovered? Fact R-410A can be reclaimed and reused; however, recycled refrigerant may only be returned to the equipment from wh...
What is r12 refrigerant
What is R12 refrigerant used for? Refrigerant R12 is used in domestic refrigerators and freezers, liquid chillers, dehumidifiers, ice makers, water co...
Is r12 still available
Is R-12 illegal? R-12 is a colorless and odorless CFC refrigerant that was completely banned from production by 1996 under the Montreal Protocol for d...
Can you use a r12 compressor with r134a
Is R12 colder than R134a? R12 can blow 6 to 7 degrees cooler than R134a and is 15% more efficient. ... As a result, a perfectly functioning R12 system...
R12 refrigerant replacement
What happens if you put R134a in a R12 system? R134a systems work at higher discharge-side pressures than R12 systems, which could lead to compressor ...
How long does it take to thaw a frozen air conditioner?
Will frozen AC fix itself? Don't worry. A frozen AC can be fixed, especially if you turn off the compressor and call for service quickly. Can I pour h...
What components must be certified for use in hfo-1234 system?
What is the first equipment requirement of a 1234yf service system? New equipment will be required. In order to service HFO-1234yf systems, shops will...
What is the difference between R-12 and R-134 refrigerents?
Is r134 and R12 the same? While both R12 and R134a are refrigerants and are used for cooling and refrigeration, they are two different compounds entir...