Replacing a Leaking Liquid Line Receiver on a 10 Year Old Heatcraft Walk-in Cooler Condensing Unit. R-22 Unit.

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27 thoughts on “Replacing a Leaking Liquid Line Receiver on a 10 Year Old Heatcraft Walk-in Cooler Condensing Unit.

  1. heavydiesel says:

    Shame they don't have a screw in plug like is common here, mind they leak on the threads when the sealant gets old.

    I'd fit a fan speed control if there is problems with low head pressure in winter. The head master valves are not popular here, but again we don't get many really cold days.

    Great vid!

  2. awsom70 says:

    too bad it didn't fail a little earlier so the price of r22 wouldn't have been so bad lol! good job man. it will work just fine without the headmaster and if it dont a cycle switch 😉

  3. EagleMek Durham N.C says:

    Maybe the compressor will keep running..What will you do if you can't find the match compressor.Only one I could fine was poe oil and copeland said POE and R22 will work.Justt wanted your oppinion if you had that situation.thanks great job.

  4. OcRefrigeration , Hvac & Electrical Video's. says:

    you can allways find a compressor that will work. just match tonnage / btu's.
    use poe compressor with 404a. change system to 404A because r-22 is so expensive. change txv and away u go. that's what's gonna happen soon any how. get rid of r-22 systems. in a pinch u might even be able to get a way with the r-22 txv. pressures are kinda close.

  5. ZuffaLtdDanaWhite says:

    Fan cycling controls i've always used, but recently learnt that varying the speed of the fan is more efficient that constant cut-in/out of the fan itself. w w w

  6. OcRefrigeration , Hvac & Electrical Video's. says:

    Head master -is a low ambient Control. When it cold out the head pressure gets lower. A head master maintains the head pressure and it 's stamped value. This valve is a 180 psig valve. It maintains 180 psi by opening and closing to maintain 180psig when it's cold out. When it's hotter out. The valve is allways closed and refrigerant allways goes through the condenser.

  7. poland2010 says:

    lol i live in toronto yes our winter can get cold. so head masters are needed ,, but i have done experiments. and i didn't install it on one unit.. i just installed adjustable fan cycle controls and it works.. as long as the receiver is bigger then needed your safe

  8. acoustic4037 says:

    I wonder why it is necessary to have the fusible plug.  Would it not be better to handle an over temp situation differently than just open the system up to the ambient?  Say a high temp cut off?

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