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  1. Replies
    28
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    1,726

    You didn't post enough info to say for certain...

    You didn't post enough info to say for certain but I bet the root problem still exists. If I were to take a wild guess I would say that the super heat on that system was about zero and you were...
  2. Thanks Rundawg! Yes that exactly what I had...

    Thanks Rundawg! Yes that exactly what I had found and was coming back to post. I had not found that Sustainable Coils might be able to help me. I had resigned myself to starting early one morning...
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    500

    I usually agree with PHM - but not this time. A...

    I usually agree with PHM - but not this time. A piston compressor will rarely equalize thru the compressor because the reed valves prevent reverse flow. If the system can't equalize thru the...
  4. Replies
    145
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    6,761

    I have replaced 1 X13 motor this year (only one I...

    I have replaced 1 X13 motor this year (only one I have installed in the past several years) and 2 ECM motors. Two of the three replacements were right after a thunderstorm so I suspect electrical...
  5. Need info on the manufacturer of an evaporator coil

    I found a leaking coil on a Rheem system (furnace & condenser). The nameplate was barely readable but clearly was not a Rheem coil. Can someone identify the manufacturer?

    Coil model number...
  6. Replies
    6
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    370

    Posted resolution in Pro Forum.

    Posted resolution in Pro Forum.
  7. Replies
    6
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    370

    DCs601C71 Manuals at...

    DCs601C71 Manuals at http://www.daikinac.com/content/commercial/accessories-and-controllers/intelligent-touch-controller-dcs601c71/ There is no 'other' front end.

    I have been digging thru those...
  8. I read about those in the old Doolin...

    I read about those in the old Doolin Troubleshooting Bible (mine was about a 1970's version). I had never actually seen one though. I recently (2005) ran across a could of them on a museum. They...
  9. I thought most of the very old refrigeration rack...

    I thought most of the very old refrigeration rack systems were a kind of VRF system. Those that ran a compressor to charge a liquid receiver and then cycled off the compressor. Then the...
  10. Replies
    6
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    370

    I checked the Advanced menu but wasn't able to...

    I checked the Advanced menu but wasn't able to change it there. You may have hit on the problem. Is there something I need to do to make the factory default inactive?
  11. Replies
    6
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    370

    iTouch Programming Question

    I have what should be a simple problem that I can't find an answer. On a Daikin iTouch system I need to raise the heating set point to 70. Currently it is limited to 68 by the controller. I can't...
  12. Replies
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    17,060

    Do you have similar pictures on flex duct systems?

    Do you have similar pictures on flex duct systems?
  13. Replies
    15
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    3,590

    This installation is on a museum so down time is...

    This installation is on a museum so down time is critical. Add that budgets are non-existent at the moment. I don't think vibe analysis is going to show much without a baseline. Oil sample might...
  14. Replies
    15
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    3,590

    Oil Migration problem on Carrier 23XL Chiiler

    I did a search before posting this but didn't find anything -

    We have a 225 ton Carrier 23XL chiller. It was installed new about 1996 when it replaced one of two 175 ton Carrier 19DG chillers. ...
  15. Replies
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    1,507

    I would bet that most of these were shown on the...

    I would bet that most of these were shown on the drawings and the person in charge rejected the change order. So they built what was on the drawings.
  16. Replies
    16
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    1,386

    EXACTLY like the Cornwell. I bet they were the...

    EXACTLY like the Cornwell. I bet they were the company that made them for Craftsman.
  17. Replies
    16
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    1,386

    I was looking for the box that held about 7 or 8...

    I was looking for the box that held about 7 or 8 sockets - nothing else. The entire set in the box was about 4" long x 3/4" wide x 1" tall. I'm guessing on the dimension since I don't have the set...
  18. Replies
    16
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    1,386

    That's what I was hoping for! Somebody knew...

    That's what I was hoping for! Somebody knew where I could find replacements. I'll hit the NAPA store tomorrow.

    My truck was sitting in my driveway at my house. My driveway is a good way from...
  19. Replies
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    1,386

    Stolen tool pouch

    My tool pouch/belt was stolen out of my truck a few nights ago. I have had the pouch since I was in high school in the 1970's. I have tried to replace it a few times but always went back to the old...
  20. Replies
    4
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    605

    Change Summit to not report that error until it...

    Change Summit to not report that error until it has existed for 5 minutes. That doesn't fix the problem, but at least you don't have to look at it so often.
  21. Replies
    36
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    3,925

    Two words, two words I say Freeze stat...

    Two words, two words I say




    Freeze stat ;)
  22. Replies
    12
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    804

    If you want to do it the hard way - the ARI web...

    If you want to do it the hard way - the ARI web site has some equations in one of the online publications that are used to predict performance at different conditions.

    If you want a somewhat...
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    933

    This is an age old argument with good points on...

    This is an age old argument with good points on both sides. I agree with the comment about filters are needed at the unit even with filters in the return grill. One good point about return grill...
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    1,144

    You forgot one of the most important parts. The...

    You forgot one of the most important parts. The owner hired an architect - probably based on the qualifications of that architect. Then the architect hired the engineer. Probably based on the...
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    115,005

    RS Means has some 'rule of thumb' for sq ft per...

    RS Means has some 'rule of thumb' for sq ft per ton. But since they don't say what climate they apply to I think they are a way to get yourself in trouble. Just how many bowling alleys in Alaska...
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