We did a retrofit equipment on a walk in cooler that needed some love, we ended up using the ZoomLock Max press fittings instead of brazing.
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Teaser 00:00
Video start 00:24
Figuring out equipment placement 00:46
Attic inspection 05:13
Crane lift 06:23
WTF moment #1… my bad 08:14
Electrical install 08:24
ZoomLock MAX prep 10:04
Installing new evaporator coil 11:27
WTF moment #2 12:29
Bending copper 16:07
ZoomLock MAX prep 17:03
Nitrogen pressure test 20:02
Sealing the roof penetration 21:11
Evacuation 21:58
Charging system 22:39
Calculating the flooded charge 23:18
Closing words 24:50

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25 thoughts on “WALK IN COOLER RETROFIT WITH ZoomLock MAX

  1. Dan D says:

    great video! but not to knock u down, ur a good mechanic, id left the cond. valves on so u could do a pump down test on compressor, set LP or pump down liquid line and know theres no pressure, king valve front seated will read receiver pressure only.

  2. knockitofff says:

    I couldn't imagine just having warm weather year round, I'd go on a shooting spree LOL!!! BTW, used the Milwaukee pro press tool today to install a pressure regulating valve for a cooling tower on a 1" feed line, gotta love that thing, done in no time flat!

  3. Joshua Marshall says:

    Exposed EMT? I would not have guessed, that pipe won't last in the elements. Better option would be rigid or epoxy coated emt, possibly rigid pvc or carflex ? Love your channel and love learning about HVAC. Electrician by trade and always try to use pride in my work like you do ! Thank you for providing a good example for other tradesmen ! Also I thought you pipe didn't look bad at all!

  4. Travis Hamilton says:

    I really appreciate the fact that this guy does the little things like putting a bushing on the other side of the connector or making sure he uses the water tight EMT compression connectors rather than just throwing a regular compression connector on it. It's the little things like this that I feel like that actually separates the average guy from real professionals and I must say this guy a real professional

  5. Sean Harkins says:

    Just a heads up, I tortured tested those zoomlock and propress fittings (Just basically all the wrong ways to do it, no pipe prep etc.) and they can take ALOT more than you would figure. The only way i actually managed to tear one of the O-rings was slamming the pipe into the fitting on an angle with no de-burring.

  6. spike001ton says:

    so possible tip keep a dedicated fitting for the depth checks that way you have a "beater" for rough testing and the only time the new one going on is final fitting before crimping

  7. Justin Smith says:

    I have not used any of the press fittings, but I was told on the plumbing Pro-Press that the b o-ring was not the main seal….but the main seal is the copper on copper seal formed with the high pressure crimp.

    I hope to add it to my bag of tricks because I definitely have had times where it would have made a job much easier.

  8. JMG Refrigeration says:

    Do not like the zoom lock unless needed. The look and possible need to un weld something is why. I would have rather left base valves and brazed into them, just my preference.
    Nice work though bud! Looks good for what you were trying to prove about tool

  9. nightone says:

    I like leaving the condensing unit isolation valves in place that way if you have a leak in the condensing unit you can isolate the condensing unit from the rest of the system so that you don't have to recover the Evaporator and lineset. Especially when the customer is on a budget with an older system that may have potential micro leaks on the evaporator.

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