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HVAC Service- Refrigerant Dye Leak Test and TXV Adjustment

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Published on Jul 15, 2012

Do not try this at home. HVAC training is required. This video shows dye injection, electronic leak detection, the drain gallo gun, and TXV adjustment.

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Comments • 4

NSNOfm78
Stupid question incoming: I see how the superheat was out of adjustment. Was it not set properly upon install (Is this a newer system), or did the spring loosen on its own over time to cause the valve to open up so wide? Great work again Zack
Lynx Star Automotive
Great video man. I do a lot of MVAC work (automotive), there are definitely differences, but I like your diagnostic approach, and tactics.
Working Joes Roundtable
Thanks for watching
William Merrix
I put in UV dye on r410a system to find a leak do I have to flush the system out when I replace indoor coil 
Working Joes Roundtable
no
Doug Gann
Thanks.. you guys (including those mentioned by Jorge) have been really helpful mentors.  I installed for 17 years then was thrown to the wolves in service and have had to figure a lot out for myself by asking techs, training seminars, books, videos and field experimentation.  Now I'm a contractor/business owner and still try to learn something new every day.  You are one of my many YouTube mentors.. thanks!
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