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  1. Thread: ADDISON

    by will smith
    Replies
    2
    Views
    612

    I used to do start ups on Addison equipment now...

    I used to do start ups on Addison equipment now and again-if I remember correctly, you'll have to contact Addison support with the model/serial numbers for the diagram. Desert Aire is the same...
  2. Thread: Fieldpiece

    by will smith
    Replies
    133
    Views
    20,699

    Just picked up a DL3 with amp head-very nice....

    Just picked up a DL3 with amp head-very nice. Like the trigger feature that allows you to set the hi/low points for data logging. (Have a compressor that has been tripping a breaker-can't get it to...
  3. Replies
    7
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    1,156

    I haven't converted from 22 to MO99, but have...

    I haven't converted from 22 to MO99, but have talked to one of my suppliers that has a customer that did. One thing they did was change the seals on all their solenoid valves. They put the same type...
  4. Replies
    10
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    1,578

    Bear in mind-

    Carrier roof top units for example, won't give you a liquid line access port if the unit has a cap tube/piston feed. You'll be charging based on superheat anyway. It's nice to be able to check both,...
  5. Replies
    11
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    1,731

    Just the opposite for me-

    I ran across just the opposite setup yesterday...Had a 410A Carrier condenser which had been put in some 7-8 years ago. I was out to do a system check, found it iced up. Thawed it out, made sure...
  6. Replies
    3
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    747

    Science and Art of Charging

    Right on-the manufacturers have good literature regarding how much additional you'll need per line size/length. If you've got a system with a TXV, your subcooling will tell you if the charge is good,...
  7. Replies
    2
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    801

    Pool unit

    Try the Desert Aire website-there is a lot of good info there that should help you with sizing.
    Best Of Luck!
  8. Replies
    8
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    1,232

    Compressor changes-heads up

    Thought I'd chime in on something I've been seeing more and more of recently. I've run across R-22 systems that have had compressors replaced, and the compressor had POE in it instead of mineral. So...
  9. Replies
    18
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    2,136

    Something to consider-

    If you have a unit that has 3 phase compressors and blower motor, they should both be phased properly from the factory (A-B-C). That doesn't mean they can't be wired wrong in the field, but if one is...
  10. Replies
    11
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    1,583

    I've also run into contactors that would just...

    I've also run into contactors that would just buzz-that is, not pull in-because the transformer was not tapped to the correct primary voltage. Same thing if a transformer doesn't have a high enough...
  11. Replies
    17
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    1,704

    Hate to talk pricing about anything-but by me the...

    Hate to talk pricing about anything-but by me the CPS transformator is around $125.00 or so, less tax.
    As far as function goes, it'll work all the better if you sink it in ice water, but just water...
  12. Replies
    17
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    1,704

    Creek1- CPS makes a device called (drum roll...

    Creek1-
    CPS makes a device called (drum roll here-) The Molecular Transformator. I kid you not-that's the name-COOL! Anyway, all it amounts to is basically a condenser. If you're doing a recovery...
  13. Replies
    12
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    1,283

    Do yourself a big favor

    And go through all of your menus-check to see what they are set for. Your equipment may or may not have been set up properly from the get go. When you get the hang of the Microtech II, you'll find...
  14. Replies
    12
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    1,283

    Oh yes indeed read the manuals. More than once is recommended...

    Jumper wires are fine on a 10 ton Carrier-I wouldn't recommend them on Microtech II or III. The controller/boards are only going to be around until inventory is exhausted. If you have a lot of units...
  15. Replies
    12
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    1,283

    Micro Tech II

    Here's a manual for your application-you should get used to using the MII program if you're going to be working on them. You can make adjustments in the controller to get the system to cycle up...
  16. Replies
    17
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    1,704

    I was crazy enough to go out on my own years...

    I was crazy enough to go out on my own years back-best of luck to you. I used Quick Books Pro for book keeping-found it to be easy to use with lots of useful features-would make your accountant's...
  17. Replies
    17
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    1,704

    Evac

    Definitely with you as per proper evac. I've got two 6 cfm pumps that really earn their keep- I shoot for 500 microns too. Had a McQuay rooftop unit that was so contaminated once (evaporative...
  18. Replies
    17
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    1,704

    Just out of curiosity-who did ya deal with? (used...

    Just out of curiosity-who did ya deal with? (used to do startups/warranty work on Desert Aire, and dealt with the factory folks quite a bit-great group to deal with. Worked with a couple of them in...
  19. Replies
    9
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    1,396

    McQuay has compressors 1 and 3 on one circuit, 2...

    McQuay has compressors 1 and 3 on one circuit, 2 and 4 on another. If you don't see oil at the compressors, first question is-where is it? I'd look for a leak first off.
    Which Microtech controller...
  20. Thread: R-22 $$$$$$

    by will smith
    Replies
    18
    Views
    2,195

    R-22 $$$$$$

    I wish I'd bought a skid or 10 of R-22 back when it was cheaper than a case of good booze (well, really good booze)-I'd be sending this out on an island somewhere if I had-MY island...
    Anyway- have...
  21. Replies
    17
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    1,704

    As far as it going off on high pressure, is it...

    As far as it going off on high pressure, is it possible the condenser wasn't being energized at the time? Seen that happen before where a relay hung up at times and didn't pull in. Does it have a fan...
  22. Thread: Megging!

    by will smith
    Replies
    26
    Views
    2,373

    Meg checks-just another tool in the arsenal

    I have to say I find it to be useful. If the compressor meggs out poor but is still running, you have a chance to recommend a replacement before it turns into a burnout. If it burns, the customer...
  23. Replies
    18
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    2,113

    Sorry to hear it-but...

    Doesn't sound like you were dealing with a very competent service manager to begin with. You came from a residential background, they hired you on board, then decided they needed someone to work on...
  24. Replies
    10
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    1,117

    The unit wouldn't happen to be a McQuay, would it?

    The unit wouldn't happen to be a McQuay, would it?
  25. Replies
    22
    Views
    2,540

    A-men on the Arcflash

    Everyone in this trade-field AND office-should have to go through arcflash training. Heck-I think everyone should have at the minimum OSHA 10 training. Lots of ways to get hurt/killed. Field...
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