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  1. Replies
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    yah, well I didn't see the sparks myself, the...

    yah, well I didn't see the sparks myself, the first picture above shows the corner of the air handler, if you look closely you can see the burnt screw below the tape... Further testament of the...
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    338281338291 Something I missed, there was some...

    338281338291
    Something I missed, there was some steam coming from a closeby shower room at the time this happened.
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    Sparks coming from air handler

    18000 btu upflow closet unit w/electric heater,
    call for cooling had just kicked in when sparks came out of the air handler, it lasted approximately 1 minute.
    turned breaker off and checked inside...
  4. Well :censored: ... Xgive my stupidity, I will...

    Well :censored: ... Xgive my stupidity, I will from now on be as precise as possible in explaining my situations with the terminology in which all non-contributing contributors feel most comfy...
  5. Commercial refrigerator stops cooling after a few hours...

    Got call for commercial refrigerator which was not working correctly..
    1/2 ton hermetic compressor with 17oz of R134a running on 110


    Here is what I did..

    Checked outlet power.....OK, the...
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    314111 This one didnt, it had a muffler but no...

    314111

    This one didnt, it had a muffler but no drier inside the condenser..

    This image by the way was taken as it was being installed, so dont kill me if you can see the crankcase cables just...
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    Good Point.. :) by the way, Im the OP, the...

    Good Point.. :)

    by the way, Im the OP, the compressor was just out on thermal but.... This thread sure as hell helped me learn more about this microchannel business.. thanks guys..
  8. Replies
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    Oh crap..

    Oh crap..
  9. Replies
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    Replacement compressor wont run.. :(

    So I get the call over the weekend to check out a Luxaire R22 system 2.5 ton. Model TCGD30S21S1A with recip compressor.
    I get there and the compressor was grounded so waited for today to replace...
  10. Replies
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    TXV, charging on low side.

    TXV, charging on low side.
  11. Replies
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    1,353

    will try that today also, and thanks for the...

    will try that today also, and thanks for the normal operation temperature tip, I had completely forgotten about that..
  12. Replies
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    Yes, today I will try grounding it out.

    Yes, today I will try grounding it out.
  13. Replies
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    It was actually way overcharged, so that solved...

    It was actually way overcharged, so that solved high pressure 5 second run issue..

    Now it seems to be running right but can't lower low side line temp, its about 76degrees coming into the...
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    High amps tripping breaker switch

    Troubleshooting a 5ton 410a unit, system keeps tripping the breaker switch after it runs for about 10 mins.
    Name plate reads compressor FLA=35.3
    When system starts amps =106 then as it runs drops...
  15. Replies
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    Im sry, scroll not recip..

    Im sry, scroll not recip..
  16. Replies
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    4,409

    312091 Reciprocating compressor, the compressor...

    312091
    Reciprocating compressor, the compressor is about 3 months old, the air h is about 3 years old, there's a pic, hope it uploads.. The system may have been overcharged from what i understand...
  17. Replies
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    Just put the bulb in warm water, no difference..

    Just put the bulb in warm water, no difference..
  18. Replies
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    Five seconds , yes i meant 10 ton

    Five seconds , yes i meant 10 ton
  19. Replies
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    High pressure problem

    Troubleshhoting a 10 to r22 system w reset switch, upon resetting it the pump turn on and high side hits 400psi in a few seconds then shuts off..

    When it shuts off the txv valve makes a strong...
  20. Replies
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    What if its not a heat pump? Whats the most...

    What if its not a heat pump? Whats the most practical way to check for non condensables then?
  21. Replies
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    Sounds like superheat is at a good point if its...

    Sounds like superheat is at a good point if its 17 and the name plate calls for 15.
    I don't think that the compressor tripping during a pump down would mean it's overcharged, (hp switch) is just...
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    Ill do that, thank you very much for your advice..

    Ill do that, thank you very much for your advice..
  23. Replies
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    Do i have to recover or is pump down enough...

    Do i have to recover or is pump down enough before vacuum?
  24. Replies
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    High side with a pulse

    As general knowledge, what does it mean to have a pulsating high side right before the evaporator or ah?
    This combined of course with low efficiency cooling... Evaporator temperature around 50...
  25. Thread: Frozen Lines

    by myhvacx
    Replies
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    1,029

    In my original post I did not mention (sry) that...

    In my original post I did not mention (sry) that I left the unit running but there was no frost at the point that I left, also the inside had hit 75degrees, which it had not before...

    This is a...
  26. Thread: Frozen Lines

    by myhvacx
    Replies
    6
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    1,029

    Frozen Lines

    I need help, R22 18 Ton Rheem 2 stage 3 phase unit with a frozen low side problem...

    One of the compressors is running at 15 Superheat and seems to have no problem at all..

    The second...
  27. Although I agree with the specs, blade and motor...

    Although I agree with the specs, blade and motor size being a factor, I would strongly suggest you check the rotation, this is surprisingly a common mistake I have come across more times than I can...
  28. Replies
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    R22 to 410a Ideas Needed

    Hello people!
    I have an r22, 4 ton rheem unit which just had an evap coil replacement no more than 3 months ago, unfortunately the compressor just went bad recently so the customer wants a new 410a...
  29. Replies
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    the video shows no patch material, is that...

    the video shows no patch material, is that optional? or just another method? what am I missing?
  30. Replies
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    yup, found it Pan Spray by Nu-Calgon,...

    yup, found it Pan Spray by Nu-Calgon, Interesting... Im getting one on my next trip to supply house.
  31. Replies
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    what brand/product name is this?

    what brand/product name is this?
  32. Replies
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    Thanks guys! oh and DOGBOY, Yeah I ate the word...

    Thanks guys!
    oh and DOGBOY, Yeah I ate the word "down" after pump.. sry..
  33. Replies
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    Really? you mean to say that oily residue was...

    Really? you mean to say that oily residue was formed inside the low side as I unbrazed it? and it was caused by the poor solder joint?
  34. Replies
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    No I meant to say after the Pump DOWN.... not...

    No I meant to say after the Pump DOWN.... not after the pump... I swear I wrote that word :down: after pump and I don't know where it went!

    The oil came out of the low side line right next to the...
  35. Replies
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    Oily residue on low side?

    I removed and then cleaned an evap coil today, compressor was on ground lvl and evap in the attic.
    During the process and after the pump of course, I opened up the high side then the low side by...
  36. Thread: Capacitors

    by myhvacx
    Replies
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    1,843

    I'd say >5% difference should be enough to...

    I'd say >5% difference should be enough to replace the capacitor, especially if its just in bad shape...
  37. Thread: gauges

    by myhvacx
    Replies
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    1,993

    Yes, use a low loss fitting to minimize...

    Yes, use a low loss fitting to minimize refrigerant loss, without it, it can get messy..
  38. Thread: iPhone

    by myhvacx
    Replies
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    4,506

    Dang, that tecumseh app is pretty neat..

    Dang, that tecumseh app is pretty neat..
  39. Replies
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    Thanks guys, guess what it was? a bad connection...

    Thanks guys, guess what it was? a bad connection on the 240v side coming from inside the air handler.. It was a pain in the ass getting access to it but that's where the problem was for sure..
  40. Replies
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    Thanks guys, can always count on good solid...

    Thanks guys, can always count on good solid feedback, will def check these two tomorrow..
  41. Replies
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    Contactor Keeps Going Out......

    I have had to replace a 240/40 dual pole contactor twice for customer in the last two months on a 5 ton goodman (kinda old)..

    The first time I serviced this unit the contactor just looked in bad...
  42. Replies
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    1,205

    I got a fieldpiece Infrared not too long ago, it...

    I got a fieldpiece Infrared not too long ago, it is awesome, I love it..
    I have repaired a bunch of leaks with it, Yes I know, although being one of the newest technologies the infrared is not the...
  43. Thread: iPhone

    by myhvacx
    Replies
    37
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    4,506

    Iphone? Yes... Seriously

    It is, just need to get a decent cover for it... and... Man! Those things can come quite handy in more than one way.. Maps, T/P Charts, Hvactalk, Google, Flashlight, Pictures for layouts, serials,...
  44. Help, 200k BTU Rheem Rooftop Unit Freezing Up

    Yesterday I serviced a dual stage R22, 200k btu Rooftop Rheem Unit Model # RRCF-201CK
    It had very low coil temperature, around 30f, the lines were freezing up and both compressors were working fine....
  45. Replies
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    Circuit board keeps shorting out...

    I recently serviced a split system horizontal 2.5 ton unit (attic) which had a bad circuit board & fan relay. The system itself is kind of old, 8+ years and it really looks like worse than that. ...
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    Thanks for your responses guys, took me a while...

    Thanks for your responses guys, took me a while to come back but I did go back and fix it a couple days ago, it turns out the piston wasnt the right one, it was too big and changing it fixed the...
  47. Replies
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    are 410a Handlers R22 Compatible?

    I needed an R22, 2.5 Ton air handler replacement, goodman said 410a Model ARUF303016CA was compatible so I installed it w/o TxV-Valve and the results were a disaster!
    I have about 120psig (70.0F) on...
  48. Replies
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    373

    Need advice on working independently..

    So I am quickly approaching my certification through technical program and I am looking forward to working for a company and independently also.
    I have plans to buy a work van and all my tools in...
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    and since I'd love to see behind the courtain.....

    and since I'd love to see behind the courtain.. how many posts or when can I apply for pro stat?
  50. Replies
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    Thanks, I will..

    Thanks, I will..
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