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  1. Replies
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    Gave good cleaning and adjusted ITP, but also...

    Gave good cleaning and adjusted ITP, but also found top of evap where water flow to have sepaerated from metal. Which in my mind was causing water to fall farther than need be and initiating harvest...
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    580

    Manitowoc Q series Ice machine Issue?

    I am working on a Manitowoc QY0214A Undercounter ice machine that is not producing ice or shall I say producing ice but once harvest kicks in the ice is so thin it melts away, and there is no ice to...
  3. Replies
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    401

    PROPANE WATER HEATER?

    Worked on and installed a lot of waterheaters which where all NG. But was called to a house today to find a propane waterheater with soot build up in chamber. My question is has anyone ran into this...
  4. Thread: RTU 100% OA

    by Mr. Thermo
    Replies
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    638

    More info?

    More info?
  5. Replies
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    749

    Great advice from Marty I would call to speak...

    Great advice from Marty I would call to speak with someone. There are some pretty laborious procedures involved with pressurizing a charged system!
  6. Replies
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    4,272

    I think I am going to just leave POE oil in...

    I think I am going to just leave POE oil in compressor and use R404 . I know that I am going to have to do a couple filter changes but thinking about this situation my opinion this is the best route.
  7. Replies
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    4,272

    Probably so, plus all of my valves ( txv & HPR).

    Probably so, plus all of my valves ( txv & HPR).
  8. Replies
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    4,272

    Yes, it is rated for r12, 22, and 502. And the...

    Yes, it is rated for r12, 22, and 502. And the only match with new compressor is R22.
  9. Replies
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    4,272

    You meaning with R22??

    You meaning with R22??
  10. Replies
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    4,272

    Well it's a 2hp compressor on both ends and...

    Well it's a 2hp compressor on both ends and ultimately I tried to convince them to replace the entire condenser
  11. Replies
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    4,272

    And so are you saying Poe can be used with r22?

    And so are you saying Poe can be used with r22?
  12. Replies
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    4,272

    Now I am beginning to wonder I have been using...

    Now I am beginning to wonder I have been using alky with 22 forever! And Someone just said 22 can be used with POE?????
  13. Replies
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    Believe me I have tried with the $ of r 22 ??!!

    Believe me I have tried with the $ of r 22 ??!!
  14. Replies
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    That was my best solution, and I know r22 is not...

    That was my best solution, and I know r22 is not the best out there for this application but this compressor will not have to work as hard as the one that is working alone now and still keeping...
  15. Replies
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    4,272

    I hear what you are saying but I do not stock...

    I hear what you are saying but I do not stock HP80 nor 408A. but have plenty of R22 and 404A. And all of my components (TXV, HPR, and etc.) are rated for 12,22, or 502.
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    Excuse my dumbness but I was under the impression...

    Excuse my dumbness but I was under the impression that R 22 only worked or should I say compatible with Alkybenzene?
  17. Replies
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    4,272

    Compressor changeout!!!!

    Replacing a semi hermetic compressor on walk in freezer with compressor on both ends. ( so even thought one compressor is down it is still within temperature range.) The compressor I removed was...
  18. Convering walk in freezer from HP80 to 404A?

    Replacing 2 HP compressor on freezer, and wanting to convert to R404A. Freezer was using HP80 but the new compressor has POE oil already. was wondering if anyone has been through this before? and if...
  19. Replies
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    919

    Quick question for my fellow Techs???

    I have always performed a recovery utilizing or should I say opening one manifold at a time either liquid or vapor. I met a guy the other day opening both gauges during his recovery using the Appion...
  20. Not a Carrier, Its a ICPCommercial Gas pack

    Not a Carrier, Its a ICPCommercial Gas pack
  21. Looked at pics, Nice work and exactly what i'm...

    Looked at pics, Nice work and exactly what i'm dealing with. But I have to ask what was causing your restriction????
  22. There are two refrigeration circuits in this...

    There are two refrigeration circuits in this unit. First stage was running but on hot hot days it starts to kick out on high pressure? and I am pretty sure that both stages are not piped together.
  23. I agree so I completely removed drier after...

    I agree so I completely removed drier after haveing free flow through it but same issue.
  24. Commercial unit kicking out on Low Pressure!!

    10 ton commercial package unit that is kicking out on low pressure, instantly hitting 0 Psig when compressor kicks in. Obvious restriction and unit has metrering device built into manifold on evap...
  25. Replies
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    973

    Plugged Filter Drier!!!

    Changed a plugged drier today and noticed a clear hard substance in it what is this if anyone knows????
  26. Replies
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    695

    oil slugging ?????

    I had a compressor changed out that was very noisy on start up and I also noticed a crack in discharge line, changed out compressor installed filter drier and now new compressor operates ina vaccum...
  27. Replies
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    I was thinking of more hp for a motor to be able...

    I was thinking of more hp for a motor to be able to supply my coil with an adequate amount of airflow maybe a 1/3HP. I've even tried to charge a little refrigerant into system to see if suct pressure...
  28. Replies
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    628

    Suction pressure?

    I've installed a 2 1/2 ton condenser and coil ina home but I cannot get my suction pressure above 50psig. It was a heating only system and I tried to speed up blower(belt driven) also it is a 1/6HP...
  29. Replies
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    485

    Appion compared to Promax

    I am kinda interested in someones opinion on the appion g5 twin recovery unit compared to promax RG5410A. Which is better and why?
  30. Replies
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    Lennox Model Number?

    Does anyone know what the tonnage of this lennox condenser is . Model # 1159311ad
  31. Replies
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    513

    The owner wants to just remove the insulation, it...

    The owner wants to just remove the insulation, it has tabs.
  32. Replies
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    513

    Ductwork isulation has mold and want to remove.

    Ductwork isulation has mold and want to remove.
  33. Replies
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    513

    Removing insulation??????

    What is the best way to remove insulation with tabs from inside of ductwork to salvage ductwork so that it still can be used?
  34. Replies
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    why would I get OL across each leg?I isolated...

    why would I get OL across each leg?I isolated thhe motor from anything else unless it is in the wiring configuratiion for the high voltage.
  35. Replies
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    630

    pulley alignment?

    Is it better to align drive pulley when motor is mounted in air handler or on ground?
  36. Replies
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    630

    I took reading from motor leads and and checked...

    I took reading from motor leads and and checked to ground nothing , windings don't look really burnt but it is a big motor 5hp.
  37. Replies
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    630

    T was kinda thinking overload but the motor...

    T was kinda thinking overload but the motor hasn't been running for about six hours and I am still getting open readings across my windings, and also last start up a spark and boom came from back of...
  38. Replies
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    630

    Three Phase motor problem

    What could be the cause of a threee phase dual voltage motor to , read infinite resistance across each winding shouldn't I geat continuity on atleast one. and the last time is tried to start there...
  39. Thread: McQuay WSHP

    by Mr. Thermo
    Replies
    6
    Views
    1,633

    o is for the reversing valve

    o is for the reversing valve
  40. That what i been thinking but there is no timer...

    That what i been thinking but there is no timer or I cant find any info on the YF88BA twinning control
  41. Yes the blowers are the same hp and it is the...

    Yes the blowers are the same hp and it is the same motor , the motors aren't really burning out but for some reason the set screw seems to come loose everytime and round out motor shaft.squirrel in...
  42. Twinned furnaces keep replacing blowers!!!!

    There are two furnaces twinned together using a one common return. I have replace motor bracket because it broke new motor and squ cage . and it seems like every three months something is vibrating...
  43. Replies
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    need nominal capacity?????

    I have an old lennox condenser model numbers all wash away got these nombers off compressor need tonnage Model#SRD4-0224-PFB
    SER#70A please somone help.
  44. Replies
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    450

    Ice Test ??????

    I was just wondering is there any information out there on the preperation for Industry Competency Exam ?
  45. Replies
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    If your Evap is freezing up or it may be a...

    If your Evap is freezing up or it may be a restriction in your drain pan , and also I'm not really understanding if you said that water is coming out of your suction line or your condensate line...
  46. Thread: Epa Test

    by Mr. Thermo
    Replies
    2
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    652

    Epa Test

    Can you take and become epa certified from th e Epa test they offer online?
  47. Thread: Indoor fan?

    by Mr. Thermo
    Replies
    11
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    945

    Indoor fan?

    1.T or F the indoor fan should always run during the cooling cycle.


    2.T or F When the control transformer is not working the indoor fan will not run in the FAN ON position.
  48. Replies
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    3,345

    any hvac magazines or materials?

    Wanted to see if there are any Hvac magazine subscriptions or clubs out there to stay up to date with tips and tools, and also training. If so please direct me.
  49. Replies
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    2,474

    And another one. The Principle of Operation of a...

    And another one. The Principle of Operation of a external protection device is to protect from heat and overload ,right!
  50. Replies
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    2,474

    What about this, The main precaution when using a...

    What about this, The main precaution when using a external protection device on a motor is ambient tenpature , right!!
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