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  1. Hahaha, pretty good . On another note,...

    Hahaha, pretty good .
    On another note, we're dating ourselves by knowing who Andre Aggasi was. LOL.

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  2. Thread: long time no see

    by icy78
    Replies
    13
    Views
    1,710

    Warranty call?[emoji2] Sent from my SM-G950U...

    Warranty call?[emoji2]

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  3. Replies
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    259

    You cant add a properly sized Ultra Aire...

    You cant add a properly sized Ultra Aire dehumidifier to the existing HVAC unit duct work?

    ( zoning will only make the problem worse)

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  4. Replies
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    1,207

    So you have a checkvalve and txv/distributer and...

    So you have a checkvalve and txv/distributer and Sub cooling loop between your access tees.
    Put a bullet tap in the LL after the condenser. Quick and easy.
    Then, when you've found the...
  5. Replies
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    1,207

    If there is a 50 psi drop across that condenser...

    If there is a 50 psi drop across that condenser verified by gauge, and no components in between the gauge ports other than condenser, I would think a restriction to be most likely where the...
  6. Replies
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    So I thought antiquated would be the correct...

    So I thought antiquated would be the correct descriptor. Looked em up.
    What do ya know. They're both legit! Lol , one, even uses an hvac...
  7. Replies
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    900

    I have the DPGW. It was 90$ about 5 years ago....

    I have the DPGW.
    It was 90$ about 5 years ago.
    Really solid gauges. Just dont leave water in them during winter....... so I was told[emoji848][emoji846].




    Sent from my SM-G950U using...
  8. Replies
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    900

    Hey that's cool! And antiquey.! (Not sure if...

    Hey that's cool! And antiquey.! (Not sure if that's a word)
    I use that same guage but I think mine is a newer version. 2 buttons.
    I just use it on a refrigeration male flare tee, with refer...
  9. Replies
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    660

    130 degrees of discharge superheat at 135 psi...

    130 degrees of discharge superheat at 135 psi r22.
    Something caused discharge valve damage. Sounds like recircing discharge gas AND a restriction.


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  10. Replies
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    827

    Is it possible for p o e oil to absorb more...

    Is it possible for p o e oil to absorb more moisture than the moisture in the ambient air? In other words let's say the RH of the ambient air was 70. And the p o e oil sits in an open container....
  11. Replies
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    Gotcha. Make sense. Cheers! Sent from my...

    Gotcha.
    Make sense. Cheers!

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  12. Replies
    53
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    2,200

    How does that guarantee cool air drifting thru...

    How does that guarantee cool air drifting thru the kitchen? The MUA has to come from somewhere, it will come from the easiest place which is windows and doors and holes to the outside like the water...
  13. Replies
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    3,567

    Yes I'm sure that's true. Probably with...

    Yes I'm sure that's true.
    Probably with everything.
    BTW I'm not advocating poor quality work because of extended warranty.
    It's a sales opportunity tho.
    I expect equipment I service to last...
  14. Replies
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    2,200

    Small rtu you make it 100% outside air you might...

    Small rtu you make it 100% outside air you might have to cut the fresh air intake bigger. Then of course the discharge air temperature will vary by the outside air temperature but it will be a lot...
  15. Replies
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    3,567

    Yeah I think that's right for the last few years...

    Yeah I think that's right for the last few years it's one free compressor for the length of the extended warranty. In other words the extended warranty only applies to the first compressor.

    Sent...
  16. Replies
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    1,095

    I like that thought about "where does the problem...

    I like that thought about "where does the problem manifest itself"?
    It is the first floor, which has doors to the factory and vestubiled doors to outside.
    Hey! Maybe the outside pressure...
  17. Replies
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    1,095

    Building presdure.

    So, oversized RTU. 40 ton Voyager 3. (2 of them)
    On 4 story office, VAV supply's (which I just calibrated via flowhood and set design cfm again on this 20 year old building) and open return on each...
  18. Thread: Got even Today

    by icy78
    Replies
    4
    Views
    815

    Good old T87 Sent from my SM-G950U using...

    Good old T87

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  19. Replies
    134
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    3,567

    When you change to POE you need to install...

    When you change to POE you need to install cleanup dryers as was mentioned in another thread you had.
    If that wasnt done, the failed compressor may be the result. Definitely scrutinize that OP...
  20. Replies
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    3,631

    FWIW, I think that 204ccf works out to only...

    FWIW, I think that 204ccf works out to only around 33000 btu/hour for 28 days.

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  21. Replies
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    3,631

    I'll throw this in the mix. More than likely your...

    I'll throw this in the mix. More than likely your 80% furnace and duct system have a thermal efficiency of about 50% so should think about that. Also let's just say for Giggles that your ductwork is...
  22. Thread: Almost done

    by icy78
    Replies
    20
    Views
    1,973

    I see you're throttling the combustion...

    I see you're throttling the combustion air![emoji106]


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  23. Emerson shows it as a -40/-25f SST. New...

    Emerson shows it as a -40/-25f SST. New compressor. Txv. Suction filter before the accumulator, to catch the crud that the POE will bring back. R404a.
    Should have an oil seperator at those temps....
  24. Lousy pic. Sorry. I'll try...

    Lousy pic. Sorry. I'll try again.https://uploads.tapatalk-cdn.com/20210330/2bf6d06492dec673a212b7dd51022764.jpg

    Oh well.
  25. This?https://uploads.tapatalk-cdn.com/20210330/c72...

    This?https://uploads.tapatalk-cdn.com/20210330/c7259338b86661f14f66a8b71733f236.jpg

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  26. Replies
    57
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    2,584

    Hey...

    Hey Terry!https://uploads.tapatalk-cdn.com/20210318/7da87a0c8a717aca62903391c9cb3750.jpg

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  27. Probably a seed company sponsored report. Also,...

    Probably a seed company sponsored report. Also, the rain forest have far more benefits, and corn fields have alot of negatives. Erosion, glyphosate, poor food, (altho it is food,) all the C02...
  28. Thread: New amp meter

    by icy78
    Replies
    18
    Views
    1,117

    Knowing you, just from this site, I would say...

    Knowing you, just from this site, I would say that you would not like the dl369. I had one actually two or three in the last 10 years and I finally gave up on them because what will happen if the...
  29. Replies
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    2,584

    Yes, and then you go from that to an Intelligen...

    Yes, and then you go from that to an Intelligen or QRC or others utilizing EEVs, and you see 100 psi headmasters. It thru me at first.
    Starting up a 404a WIF and a WIC and seeing 110 HP and 90SP...
  30. Replies
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    1,159

    It might be the old death-rattle. And changing...

    It might be the old death-rattle. And changing the compressor could very well get rid of that symptom. However that's what it is is a symptom.
    I think
    @beenthere said a while back possibly low...
  31. Replies
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    1,159

    I think that guage set is wireless and the ...

    I think that guage set is wireless and the indoor data is on another screen?
    That would account for the target superheat number of 5 at least. Is it an orifice system?
    At 66 ODA temp and...
  32. Replies
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    1,029

    Well at least you kept the female ones! Although...

    Well at least you kept the female ones! Although if they're near retirement that's not so exciting either lol.

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  33. Replies
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    997

    Dude! You had me there lol. Sent from my...

    Dude! You had me there lol.


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  34. Replies
    1,048
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    67,392

    Ordered it today! Sent from my SM-G950U using...

    Ordered it today!

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  35. Replies
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    1,541

    Maybe think about it this way. Frost is forming...

    Maybe think about it this way.
    Frost is forming on the pipe!

    Why is Frost forming on the pipe?


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  36. Thread: Aaon MAUII

    by icy78
    Replies
    7
    Views
    649

    I agree with the other guys, but it also sounds...

    I agree with the other guys, but it also sounds like you have a space sensor, in which case, and is what I think you said, you can do a reset schedule. Eg: So when it's -10 outside you are in fact...
  37. A 80k input would be 14% more than your 70k. Just...

    A 80k input would be 14% more than your 70k. Just sayin.
    However, what Resturant mech said about furnace setup is very true.


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  38. Same here. And I've had zero problem with oil...

    Same here. And I've had zero problem with oil return running 407c in straight mineral oil. I have had to make sure to go about 80% of r22 charge, particularly on some 30-50 ton carrier RTUs. As...
  39. Replies
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    1,015

    He needs to know combustion analysis numbers ...

    He needs to know combustion analysis numbers including flue temperature, temperature rise across the equipment, discharge temperature. Inlet and Outlet fuel pressure.
    Then he needs to come to this...
  40. Replies
    3
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    340

    Arent those mods necessary for the series 2 as...

    Arent those mods necessary for the series 2 as one upgrades to series 3 Ucontrol?

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  41. Replies
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    1,253

    Love that kind of job just absolutely love it....

    Love that kind of job just absolutely love it. But it really needs to be in one of the locked forums.

    Oops, just realized this thread is a bit old.

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  42. Thread: Leakin' Daikin

    by icy78
    Replies
    11
    Views
    704

    3-4 lbs a year is a large enough leak to find for...

    3-4 lbs a year is a large enough leak to find for sure.
    It might require high pressure, or vibration, or cold piping or combination vibration and Heat, to find, but it has to be findable at that...
  43. Replies
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    1,308

    What are the commisioning temps, amps, pressures?...

    What are the commisioning temps, amps, pressures?
    Cfm?

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  44. Replies
    5
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    713

    Yeah X2. The OEM traps are mostly the only way...

    Yeah X2.
    The OEM traps are mostly the only way to fit a drain, with slope, under the case

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  45. Here's a couple possibilities. From the first...

    Here's a couple possibilities.

    From the first part of your post, it sounds like number one Chiller had a leak that you were looking for.
    It got worse over the weekend and refrigerant leaked...
  46. Replies
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    1,428

    I wonder if a Dremel carbide cutting bit, really...

    I wonder if a Dremel carbide cutting bit, really slim , say 3/16 no, I mean 3/32 .
    It might work in there on those crushed fittings like you're talking about on the Trane units.

    Sent from my...
  47. Replies
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    1,525

    Lots of trane units like that also. But they're...

    Lots of trane units like that also. But they're all package units too.

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  48. Replies
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    1,525

    2) 2stage resi 5 ton units. Now you have 4...

    2) 2stage resi 5 ton units.
    Now you have 4 stages.
    66% of first unit, then
    100% of first unit then
    100% of 1st unit plus 66% of 2nd unit then
    100% of both.
    So of total.
    33% say 3.3 tons
    50%...
  49. Replies
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    You need to apply for pro status to get that sort...

    You need to apply for pro status to get that sort of help here .
    I can't remember how to do that but if you go to the homepage it's on there I'm pretty sure.

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  50. Replies
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    706

    The draft inducer on at 80% unit is only there...

    The draft inducer on at 80% unit is only there overcome the resistance of the heat exchanger and place the combustion gases in the flu. At which point the natural draft negative draft takes over. If...
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