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Type: Posts; User: Tom R

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  1. Replies
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    1,624

    Snap on use to sale those TIFF units off of their...

    Snap on use to sale those TIFF units off of their tool trucks, they were painted red but were made by TIFF.

    Don't know if the Snap on man could help you out or not.
  2. There is a hierarchy in the HVACR trade, Just to...

    There is a hierarchy in the HVACR trade, Just to name a few rungs on the ladder consider the following.

    Delivery driver, permanent helper, salesman (if you can’t fix it sell a new unit), Parts...
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    1,682

    I have a bunch of these 10 turn current...

    I have a bunch of these 10 turn current transformers with a variety of connectors on the end, they are made up by winding exactly 10 turns of wire around a PVC pipe form (I usually use the cheap type...
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    14
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    1,238

    How could anyone analyze this problem without...

    How could anyone analyze this problem without more facts?
    What kind of Hat?
    Which one of you wears the Hat?
    Will the monkey be taught Manual J?
  5. Replies
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    3,352

    Well that is true to some extent, I guess it is a...

    Well that is true to some extent, I guess it is a matter of semantics but a true counter voltage is induced back into the windings of the field that created it.

    In the case of the run winding the...
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    3,352

    There are 2 CEMF’s involved in the PSC motor, the...

    There are 2 CEMF’s involved in the PSC motor, the CEMF of the run windings and the CEMF of the start windings. In normal operation the current in the run windings will increase as the rotor speed...
  7. Replies
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    3,352

    Well I had given up trying to talk about the part...

    Well I had given up trying to talk about the part that the turn’s ratio of the motor windings plays in the increased voltage across the capacitor; but I guess this is a good time to try it...
  8. Thread: R410-A flaring

    by Tom R
    Replies
    17
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    4,379

    Hydraulic fittings are 37° if you try to flare...

    Hydraulic fittings are 37° if you try to flare steel tubing to 45° most of the time it would split on you, hence the shallower flare angle.
  9. Replies
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    4,815

    Ok there are hacks and crooks out there but 100%...

    Ok there are hacks and crooks out there but 100% 6 out of 6.

    I cannot believe you could pick up the yellow pages and randomly pick 6 companies and get this result.

    Where did they get these...
  10. Replies
    39
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    3,395

    First of all you need to give us some more...

    First of all you need to give us some more numbers to work with.

    It appears your condenser is not getting alot of heat to reject, your TD is only about 9.9°F (What is the seer rating onthe...
  11. Replies
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    3,355

    240 volt PSC fan motor with a single pole...

    240 volt PSC fan motor with a single pole contactor?


    Motor windings probably are grounded somewhere in the internal windings.
  12. Replies
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    1,951

    We have all grown up using the credit and banking...

    We have all grown up using the credit and banking system and don’t realize what it must have been like before the idea men begin to take the real wealth away from the hunters and use it to control...
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    3,042

    A few years ago we were passing through...

    A few years ago we were passing through Bellingham, Wa.. since we had a day to kill before we were due in eastern Wa., we decided to take the whale watch one day cruise to Victoria BC.

    What an...
  14. Replies
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    2,030

    You can get Acetone in the paint department of...

    You can get Acetone in the paint department of any of the big box stores (at least we can around here).

    50% Acetone + 50% ATF (Automotive Transmission Fluid) penetrates rust better than most of...
  15. Replies
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    1,499

    Well once again my assuming it was a 240/120 volt...

    Well once again my assuming it was a 240/120 volt single phase supply turned out to be wrong.

    Yes it does sound like you must have a 3 phase supply with a wild leg and someone used a wild as one...
  16. Thread: 608 - 609 ???

    by Tom R
    Replies
    10
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    932

    Way back when I got my 608 Universal from ESCO...

    Way back when I got my 608 Universal from ESCO Institute, took the proctored tests at a supply house.

    Got the 609 from ESCO online , it was so easy that it was really kind of a joke.

    Google...
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    1,499

    There is no such thing as a wild leg on 240/120...

    There is no such thing as a wild leg on 240/120 volt single phase supply (if that is what you have), and it can’t be a unbalanced supply voltage because 118 +205 does not add up to the 238 volt...
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    2,899

    Things vary from locality to locality but a lot...

    Things vary from locality to locality but a lot of questions need to be asked and answered here.

    Is he classifying you as sub-labor or sub-contractor? Will his liability insurance cover your...
  19. Thread: Testo 435

    by Tom R
    Replies
    8
    Views
    863

    First of all, assuming that your new Instrument...

    First of all, assuming that your new Instrument is accurate, when your airside parameters tells you that your evaporator is underperforming. What is causing the poor performance?

    You need to do...
  20. Replies
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    2,140

    If you are a HVACR student or a rookie, you have...

    If you are a HVACR student or a rookie, you have arrived at the point where you need to research COP (Coefficient of Performance) and EER (Energy Efficiency Ratio).

    PS: Get your pro status and ask...
  21. Replies
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    3,845

    Are you with a licensed company that has the...

    Are you with a licensed company that has the license or permit numbers painted on the truck?

    Were you on a call outside of your permitted area?

    I see guys around here use an unmarked vehicle in...
  22. Replies
    19
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    2,401

    Yep could be, depending on which side of the...

    Yep could be, depending on which side of the panel your breakers are connected to.:whistle:

    If you take a 250watt lamp rated at 120volts it will pull 2.08333 amps (I=P/E) 250/120.

    Which would...
  23. Replies
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    2,401

    The 5th circuit is only getting 120 volts across...

    The 5th circuit is only getting 120 volts across it: but if I understand what you are saying is that you have created is a 3 wire 240v circuit so the neutral will carry only the unbalance between the...
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    2,401

    Do the elements feed from multiple breakers.? ...

    Do the elements feed from multiple breakers.?

    Is the last element you turned on by chance fed from another breaker that is on the other side of the 240 so that the potential difference between the...
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    8,931

    The obvious fact is that you do not respect your...

    The obvious fact is that you do not respect your boss and it is affecting your attitude.

    The old saying is that there is your story, his story, and the truth.:grin2:

    I don’t know maybe you work...
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