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Type: Posts; User: GenesisRefrig

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  1. Replies
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    144,194

    When LLBean discontinued my favorite shoes, I...

    When LLBean discontinued my favorite shoes, I ordered 5 pair to last me for many years. When Digi-Cool quit making the AK900, I got my hands on enough to last the rest of my career. If the new iDRSA...
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    We need send to stock wires for those! Just...

    We need send to stock wires for those!

    Just got done with working on an under counter ice machine on an island in a very high-end cabin. It looked like a Mini version of that design. I don’t...
  3. Thread: C-053

    by GenesisRefrig
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    1,189

    They are using that as a backup expansion valve.

    They are using that as a backup expansion valve.
  4. Replies
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    1,809

    Currently, 6th grade math and science. I taught...

    Currently, 6th grade math and science. I taught high school math, and middle school pre-engineering (my favorite). I also taught Emergency Medical Responder at the high school level.
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    I値l tell you what. The time you think you are...

    I値l tell you what. The time you think you are saving is absolutely nothing compared with the time you will save using no manifold, core removers, and large hoses. When I知 installing a condensing...
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    1,809

    Well, just an update. I guess I知 not qualified...

    Well, just an update. I guess I知 not qualified to fill the position. The great state of Minnesota requires either a diploma in HVAC or an apprenticeship. I did a two year apprenticeship starting in...
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    1,809

    Thanks for the post. This is how I feel as well....

    Thanks for the post. This is how I feel as well. I love this trade and did most of my learning hands on. Back in 1989, I bought a refrigeration company with the promise of training by the previous...
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    1,809

    They have a program in place, but it needs some...

    They have a program in place, but it needs some revamping in my opinion. For example, in our neck of the woods, we have very few fuel oil furnaces, but the program devotes 3 credits to fuel oil. Same...
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    1,809

    I talked to the current instructor today. He...

    I talked to the current instructor today. He pretty much mimicked what you said. He also said there is a 50% attrition rate.

    This school only offers a 1-year course. I’ve been at it for 30 years...
  10. Replies
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    1,809

    Looking at teaching

    I致e been a public school teacher for 15 years and also run a HVAC/R company. An opportunity just opened up at our local community college for an HVAC/R instructor.

    I知 thinking about throwing my...
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    We ended up cutting about 18” of stainless to...

    We ended up cutting about 18” of stainless to chase the leak. The stethoscope didn’t get it exactly, but it got it close. Evidentially, it only ran for two days after they charged it. This is from a...
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    This one was for an Owner/Operator who is...

    This one was for an Owner/Operator who is extremely happy to not be purchasing a new unit. Corporation owned stores are a different story.
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    1,016

    Stethoscope. From my EMT bag.

    Stethoscope. From my EMT bag.
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    1,016

    Found the Leak

    Automated French fry dispenser/freezer. This thing has been leaking refrigerant for over a year. I guess they cost around $7,000.

    The evaporator is a cold wall type with tubing between the inner...
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    I think the pre filters are much less expensive...

    I think the pre filters are much less expensive than the regular ice machine filters. If a pre filter makes the other filter last longer, it might make sense.
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    827

    First of all get new tools. I recommend Appion....

    First of all get new tools. I recommend Appion. Best I’ve ever had.

    Whenever I have a core I can’t pull out, I blow it out. First, use your tool to loosen the core. Then, take the removal stem...
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    If it lasts one season, I’d be surprised.

    If it lasts one season, I’d be surprised.
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    Looks really nice. I would have used brown line...

    Looks really nice. I would have used brown line hide though.
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    This guy has manuals for sale. Parts too. Very...

    This guy has manuals for sale. Parts too. Very knowledgeable.

    https://www.mainegasrefrigerator.com
  20. If the slab is insulated, it’s a no-brainer....

    If the slab is insulated, it’s a no-brainer. Hydronic heat. The only way to go. Most efficient and most comfortable. Quick recovery after opening overhead door. No comparison to forced air.

    Call...
  21. I’m in far Northern MN, and would never pour a...

    I’m in far Northern MN, and would never pour a slab without insulation and radiant tubing. In my opinion, it’s the best way to heat a building (especially a garage or shop) in our area.

    Pull your...
  22. You are wise to be looking at a heat pump. We are...

    You are wise to be looking at a heat pump. We are just south of the Canadian border, and heat pumps save a lot of money for most of the year.

    As for your bids, I would check references and do...
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    Why are you putting a suction filter in? If you...

    Why are you putting a suction filter in? If you are cleaning up after a burnout, then you will be removing and/or replacing that filter in a week or two, so why bother insulating it. For the most...
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    Me neither. Guessing it might be one of the many...

    Me neither. Guessing it might be one of the many Chinese imports with a U.S. label put on it. Like Saturn.
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    The lever arms would get in the way, but they...

    The lever arms would get in the way, but they swivel 180*. I don’t need it often, but when I do, they are nice to have. A lot of small condensing units have 180 bends in some of the lines. On a...
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    All of my lever benders will bend a 180* U.

    All of my lever benders will bend a 180* U.
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    Most thermostats have a “dead band” of 1-3...

    Most thermostats have a “dead band” of 1-3 degrees. So, if you set it at 72, for example, it may not shut off until it hits 71. Also, it may not kick back on until it is 74.

    I would set it where...
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    Most coils DO NOT come with a TXV. That is...

    Most coils DO NOT come with a TXV. That is provided by the installing contractor. I’m thinking what you are describing as a fixed orifice might be the orifice in the distributor which has several...
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    Pretty cryptic post. Care to elaborate?

    Pretty cryptic post. Care to elaborate?
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    I’m a Streamlight Guy all the way. Guaranteed for...

    I’m a Streamlight Guy all the way. Guaranteed for life. I’ve sent some in and received brand new replacements. Used them in EMS, law enforcement, and now in HVAC. My current favorite go-to light is...
  31. Replies
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    Do you think he did a nitrogen sweep while...

    Do you think he did a nitrogen sweep while brazing? I’m guessing... NO.
  32. Agreed. You should be able to close the liquid...

    Agreed. You should be able to close the liquid line service valve and pump this system down like it was shipped from the factory without spiking the head pressures through the roof. Someone has...
  33. Replies
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    Was a manager for McDonald’s. We went through a...

    Was a manager for McDonald’s. We went through a lot of refrigeration technicians before we found a great one for our three stores. This guy was top notch. Eventually, he told us he was closing up...
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    I’ve been running my drain line heaters inside...

    I’ve been running my drain line heaters inside the drain pipe recently. (Last couple of years). Neater looking install, pipe insulation fits and seals better on pipe, and heater is protected from...
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    870

    It was converted to 422a in January. 404a...

    It was converted to 422a in January. 404a yesterday.
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    870

    Evidentially, the 4-100lb 22 tanks in the mech...

    Evidentially, the 4-100lb 22 tanks in the mech room were acquired from a friend of the previous owner to service the med temp rack.
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    Checked it out today. R-502 expansion valves. Oil...

    Checked it out today. R-502 expansion valves. Oil is POE (Checked with refractometer). Took out the 422a garbage and put 404a in system. Back up and running.... Now time to find leaks. D-Ted Select...
  38. Replies
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    The homeowner charged it up. He had a tank of R22...

    The homeowner charged it up. He had a tank of R22 sitting there
  39. Replies
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    870

    No demand cooling.

    No demand cooling.
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    870

    Grocery rack R422a Conversion

    New account to us. Small grocery store, new owner. In January of 2018 the low temp rack was converted to R422a. Owner says it was R502, but I see 4-100lb recovery tanks in mechanical room labeled...
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    I don’t know about anyone else, but I ALWAYS cut...

    I don’t know about anyone else, but I ALWAYS cut the flares off the line sets and make my own. I’ve had a lot of problems with the factory flares on line sets. In fact, take a real close look at your...
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    Nice, neat, clean looking install. I’d get rid of...

    Nice, neat, clean looking install. I’d get rid of the romex and use conduit. Nice overflow pan.
  43. Replies
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    Yep, the homeowner claimed all the credit for the...

    Yep, the homeowner claimed all the credit for the work.
  44. Replies
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    There was actually no leak. The duct tape that...

    There was actually no leak. The duct tape that the home-owner used to blank off the A-coil in the plenum let go and Air was bypassing the coil, making the suction low.
  45. Just found this. I think it explains everything.

    Just found this. I think it explains everything.
  46. Replies
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    After reading some recent posts on the wall of...

    After reading some recent posts on the wall of pride, you have restored my faith in our industry. I love seeing work like this. There might be some improvements that can be made, but you can tell at...
  47. Come on buddy! Airflow IS NOT measured in tons!

    Come on buddy! Airflow IS NOT measured in tons!
  48. You really don稚 think your work compares to this...

    You really don稚 think your work compares to this one? Do you?



    Pulled the pic from Wall of pride.
    http://hvac-talk.com/vbb/showthread.php?2194718-My-Best-Work-Yet
  49. With the exception of your attic install, all...

    With the exception of your attic install, all your other posts are extremely sloppy and unprofessional looking. Go back into the past posts in the Wall of Pride and see what kind of work has been...
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    Nice job. Wish the factory would make a little...

    Nice job. Wish the factory would make a little upgrade so that doesn’t have to be done.
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