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  • Upcoming Events

    • 01 February 2025 3:00 PM Until 4:00 PM
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      All Appliantology tech members are invited to join in the conversation for all things Appliantological: bidness, customers, tools, troubleshooting, flavorite brewski, whatever. Webcams and microphones are open and live!
      This event is also a great time for any students at Master Samurai Tech to bring any and all questions about the coursework. We're happy to walk through any concepts you're having trouble with. Think of it like office hours with your teachers. 
      Also, follow this Calendar Event so you'll get notified of new posts here. Look for the "Follow" button either at the top of the topic on desktop or below the topic on mobile.
      Who: This workshop is only available to tech members at Appliantology.
      When: Saturday, February 1 @10:00 AM Eastern Time.
      Where: Online via Zoom
      How:
      Click here to go to the forum topic with the registration link. If you're interested, register now. Arrive a couple minutes early to make sure your connection is working. Set a reminder for yourself for this workshop so you don’t miss it.  And check out past workshops here: https://appliantology.org/announcement/33-webinar-recordings-index-page/

TXV in door and out door testing


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Posted

hi,   we install amana central air systems for our customers. but I'm sure there isn't much difference's in testing preciser. can some one lead me to some printable info on how to properly test TXV valves in the field? 

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Posted

Learn ALOT more about "Superheat" and "Subcooling" in relation to air conditioning.

When you have a good understanding of these concepts, then you will be able to quickly diagnose TXV and many other refrigeration problems.

TECH NOTE : In regards to "SPORLAN" txv's.

The POWERHEAD's tend to rust out and loose their "sensing" charge(This does not mean that any r-22 or r-410a refrigerant has gotten out of the system, because these two parts are not connected so system pressure can't leak out with a powerhead leak.) What results is either a low or very low suction pressure (for no good reason) or a total pumpdown condition. The powerheads can be replaced very quickly at not much cost, but you need a special super skinny 'pipe wrench' used for sink repairs :> I ALWAYs insulate the new powerheads with corktape or rubbatex to prevent the next one from rusting out.

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