Physics, 25.12.2019 04:31, amandaaaa13
Your recovery/recycling machine has r-22 refrigerant in it. you now have to recover refrigerant from a unit with r-410a. what must be done before your recovery unit can be used to recovery r-410a?
a) the recovery unit must be epa certified for use with r-410a. b) the recovery tank must be designed for the pressure of r-410a. c) the filter and lubricant in the recovery unit must be changed, and the recovery unit evacuatedd) all of the above
Answers: 1
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Your recovery/recycling machine has r-22 refrigerant in it. you now have to recover refrigerant from...
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