AC 609 CERTIFICATION QUESTIONS WITH CORRECT ANSWERS.

AC 609 CERTIFICATION QUESTIONS
WITH CORRECT ANSWERS
For wwa wwshop wwthat wwalready wwdoes wwair wwconditioning wwservice wwand wwwants wwto
wwstart wwworking wwon wwHFO-1234yf, wwthey wwwill wwneed:
wwA wwHFO-1234yf wwrecovery, wwrecycling wwand wwrecharging wwmachine
wwThe wwservice wwtechnicians wwto wwbe wwSection ww609 wwcertified
wwA wwwell-ventilated wwwork wwarea
wwAll wwof wwthe wwabove ww- wwAnswer wwAll wwof wwthe wwabove


Tech wwA wwstates wwthat wwan wwaccumulator wwA/C wwsystem wwmay wwrequire
wwadditional wwtime wwand wwprecautions wwto wwremove wwthe wwentire wwamount
wwrefrigerant. wwTech wwB wwstates wwthat wwall wwtypes wwof wwMVAC wwsystems wwtake
wwthe wwsame wwrecovery wwtime. wwWho's wwcorrect?
wwTech wwA
wwTech wwB
wwBoth
wwNeither ww- wwAnswer wwTech wwA


HHFC-134a wwpurity wwstandards wwrequire wwR/R/R wwmachines wwto wwremove wwwhich
wwof wwthe wwfollowing wwcontaminants wwfrom wwrecovered wwrefrigerant:
wwOil
wwMoisture
wwAir
wwAll wwof wwthe wwabove ww- wwAnswer wwAll wwof wwthe wwabove


Using wwa wwrefrigerant wwidentifier wwgreatly wwimproves wwyour wwability wwto wwdetermine
wwif wwyou wwhave wwthe wwright wwtype wwof wwrefrigerant wwand wwthe wwpurity wwof wwthat
wwrefrigerant.
wwNo, wwit wwhas wwno wwadvantage
wwNo, wwit wwallows wwyou wwto wwdetermine wwif wwthe wwsystem wwis wwat wwcorrect
wwpressure
wwNo, wwit's wwfor wwtopping wwoff wwthe wwsystem
wwYes, wwit wwallows wwyou wwto wwdetermine wwthe wwtype wwof wwrefrigerant ww- wwAnswer
wwYes, wwit wwallows wwyou wwto wwdetermine wwthe wwtype wwof wwrefrigerant


When wwshould wwyou wwreplace wwthe wwrecycling wwequipment wwfilter?
wwEvery wwmonth wwof wwoperation
wwOnce wwevery ww25 wwcompleted wwjobs
wwEvery ww6 wwmonths wwof wwoperation