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  1. Thread: Cheater cord

    by thelmuth
    Replies
    17
    Views
    2,136

    I know there are times when it could have a wild...

    I know there are times when it could have a wild leg at 208 to ground, and yes you should always check with a meter and not assume. The OP said he only had 100v to ground. That should not be.
  2. Thread: Cheater cord

    by thelmuth
    Replies
    17
    Views
    2,136

    3 phase 208 should be 120v from any one leg to...

    3 phase 208 should be 120v from any one leg to neutral or ground.
  3. Did a service call for one elderly lady who...

    Did a service call for one elderly lady who claimed to have a "self cleaning" filter. When it got dirty she would turn it over and in a day or 2 it was clean again. It was a MH package unit so I was...
  4. Replies
    26
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    2,370

    New compressor being installed tomorrow. He...

    New compressor being installed tomorrow. He spec'd it to be replaced with a copeland scroll. It will be interesting to see his plumbing job on that.
  5. Replies
    13
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    1,141

    Yes, that blocks air from being sucked in through...

    Yes, that blocks air from being sucked in through the drain line allowing gravity to work on the condensate. You have to keep your hand there until you feel water though.

    It's usually quicker...
  6. Replies
    13
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    1,141

    I "never" say "always" but as a general rule I...

    I "never" say "always" but as a general rule I would say it's a good idea to prime the trap. I have had a couple situations where the drain pan would overflow before the condensate would flow....
  7. Replies
    8
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    655

    The question is more directed at how do I get...

    The question is more directed at how do I get tape across the 4' width of the plenum, and get it to stick well, when it is so close to the wall.
  8. Replies
    8
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    655

    Plenum loose close to wall

    I have a 7.5 ton Trane air handler in a janitor closet. The tape joint at the plenum is flapping in the breeze on the back side of the air handler. There is only about 2-3" clearance between the A/H...
  9. Thread: fluke repair

    by thelmuth
    Replies
    1
    Views
    603

    Contact Fluke directly. They have a great repair...

    Contact Fluke directly. They have a great repair service. I sent my 88 in to them with a display issue long after it was out of warranty and they treated me very well. Not sure what they will do...
  10. Then to top it all off I went in the house and...

    Then to top it all off I went in the house and couldn't get back out. The latch on the doorknob broke. I had to crawl out a window and use a knife to open the door. All I could do was laugh about it...
  11. Next event in this saga... Come home tonight and...

    Next event in this saga... Come home tonight and the house is hot again. Evap is a block of ice. Defrost it and start it back up. Unit is low on charge again. Of course the first thing I check is the...
  12. Thread: mismatched???

    by thelmuth
    Replies
    2
    Views
    377

    It's TXV. How would you modify the fan speed on...

    It's TXV. How would you modify the fan speed on this, up or down?
  13. Replies
    26
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    2,370

    Spent a few minutes following wires and looking...

    Spent a few minutes following wires and looking at the diagram. The extra two terminals go to an internal protector, wired in series with the high and low pressure switches. The bottom 2 blue wires...
  14. Replies
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    2,370

    Finally had some time to get back to this one...

    Finally had some time to get back to this one yesterday. The powers that be now want to fix this because it also cools the production office and they have been requesting "an extra A/C vent" because...
  15. Thread: mismatched???

    by thelmuth
    Replies
    2
    Views
    377

    mismatched???

    Hi guys, in one of our buildings we have 3, 7.5 ton air handlers paired up with 6 ton condensers. These are feeding the office areas. Help me understand why they would size them like this. In my mind...
  16. Always check the Schraeder valve after pulling your gauges

    My own system. Yesterday I decided to throw the gauges on it to make sure it was still running right. Everything was dialed in, pulled the gauges, threw the caps back on and went in the house to...
  17. Replies
    5
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    483

    I'm thinking emergency heat is on. A quick amp...

    I'm thinking emergency heat is on. A quick amp check will verify one way or the other.
  18. Replies
    26
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    2,370

    I haven't had opportunity to get back into this...

    I haven't had opportunity to get back into this unit. Not sure when I will. There are 8 wires connected to the compressor via 5 terminals. Both contactors are wired to the same 3 terminals and there...
  19. Replies
    26
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    2,370

    It does have 2 contactors. Seemed weird to me. It...

    It does have 2 contactors. Seemed weird to me. It also has 2 additional terminals with wires attached at the compressor. I didn't trace them to find out where they go and didn't really find them on...
  20. Replies
    26
    Views
    2,370

    Well, after pricing a compressor, the powers that...

    Well, after pricing a compressor, the powers that be decided not to repair this unit. We are suppose to be starting construction on a brand new facility in about a year and unless something is...
  21. Replies
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    2,370

    Can't hurt to try that but if it did free it up I...

    Can't hurt to try that but if it did free it up I don't think it would be a long term fix.
  22. Replies
    26
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    2,370

    Not sure what you mean by that

    Not sure what you mean by that
  23. Replies
    26
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    2,370

    It's 3 phase

    It's 3 phase
  24. Replies
    26
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    2,370

    Carrier tripping internal breaker

    Carrier mod# 38AKS016 ser# 0804F17661 Compressor=Carlyle mod# 06DH5370BC1200, ser# 1003J02170

    Last week I was walking around the building with my IR temp gun checking supply temps when I...
  25. Replies
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    355

    Back in the industry

    A little about me. I spent many years as an Auto Tech. Living in FL, AC was a large part of what I repaired so I already had a decent understanding of the refrigerant process.

    I took a job in...
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