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  1. Thread: EPA Reward

    by maustin
    Replies
    13
    Views
    6,401

    Poll: Do you work for the county and their operation is...

    Do you work for the county and their operation is being checked or is the county conducting the investigation? Either way as long as you have your log book you should be good to go.
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    1,432

    Thanks, looks like a good source for replacements...

    Thanks, looks like a good source for replacements too.
  3. Thread: EPA Reward

    by maustin
    Replies
    13
    Views
    6,401

    Poll: I spoke with an EPA compliance agent last year....

    I spoke with an EPA compliance agent last year. He told me that the EPA is "disinterested" in pursuing reports of venting. The effort they do put forth on the subject is directed toward appliance...
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    1,100

    75 if its 3/4" studs.

    75 if its 3/4" studs.
  5. Replies
    21
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    3,463

    How about the Dolphin? Is it working?

    How about the Dolphin? Is it working?
  6. Replies
    10
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    1,910

    Check with Mitchell Instruments, they have a line...

    Check with Mitchell Instruments, they have a line of process loop calibrators.

    I picked up one of their low end units, $400, and it works great to provide either a 0-10V or 4-20 ma signal.

    You...
  7. Replies
    5
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    717

    There is likely an alternating relay. If so then...

    There is likely an alternating relay. If so then the pressure switch with the higher setpoint will normally operate the alt relay and thus the starter for the lead compressor. If the lead compressor...
  8. Replies
    9
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    4,185

    Try searching the VA website. They have a...

    Try searching the VA website. They have a comprehensive set of specs available online.
  9. Replies
    2
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    1,432

    Danfoss VLT Micro drive

    Does anyone have any experience setting one of these units up? Got one to use on a cooling tower fan. The programming manual is pretty vague and not very intuitive.

    Any constructive input is...
  10. Replies
    12
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    2,717

    My new JB eliminator, 5 cfm I believe, with a...

    My new JB eliminator, 5 cfm I believe, with a 1/2" hose just pulled a 600 ton centrifugal from atmospheric to 750 microns in 24 hours. I changed the oil once before I went home for the night.
    ...
  11. Run the pump when the forecast calls for...

    Run the pump when the forecast calls for temperatures that you expect to cause freezing in the attic.

    We run about 30% +/- glycol solution in our chilled water loops, if I recall that is good down...
  12. Replies
    3
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    1,007

    Try http://www.cmpcorp.com

    Try http://www.cmpcorp.com
  13. Read the manuals that are available on this site,...

    Read the manuals that are available on this site, there are tons of them! I may be considered a junkie, but I'll read a manual for the fun of it.
  14. Replies
    11
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    2,615

    I've seen that or a very similar message on the...

    I've seen that or a very similar message on the one line marquee type display when the machine had air in it. Check your condenser approach and purge rate. Maybe York56 will chime in here.
  15. Replies
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    3,366

    Air Handler Services Inc. 16933 S. Hattan Rd....

    Air Handler Services Inc.
    16933 S. Hattan Rd.
    Oregon City, OR 97045
    503-631-7560

    Don't remember the fellas name there, but he quoted some shafts and wheels for us a few years ago on a early...
  16. Replies
    11
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    2,615

    Are you getting a message to the effect of "evap...

    Are you getting a message to the effect of "evap pressure tranducer out of range" ?
  17. Replies
    9
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    981

    overcurrent

    overcurrent
  18. Replies
    5
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    1,652

    Is it an XWC 530? Is it showing harvest fail?

    Is it an XWC 530?
    Is it showing harvest fail?
  19. Replies
    18
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    1,572

    When I owned my shop my philosophy was "I can...

    When I owned my shop my philosophy was "I can make nothing doing nothing"
    :couch:
  20. Search this section, there are a ton of factory...

    Search this section, there are a ton of factory manuals that members have provided. Download them and start reading.
  21. Replies
    18
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    3,400

    We just put one in.

    We just put one in.
  22. Replies
    18
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    3,400

    ICP CAE090GHC, is the 208 volt, 3 phase model....

    ICP CAE090GHC, is the 208 volt, 3 phase model. Dual copeland scrolls, GE fan motor. I've havent had any trouble with them. $2500 out the door at United Refrigeration. Its a single circuit though.
  23. Replies
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    1,434

    If the breaker serves just the 359 amp compressor...

    If the breaker serves just the 359 amp compressor NEC table 430.52 says that the breaker can be sized at 250% RLA. If the breaker serves the machine with more than 1 359 amp compressor, it would be...
  24. Replies
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    913

    These are the times that make me glad that I gave...

    These are the times that make me glad that I gave up being a field tech years ago and hired on with a state agency as an in house hvac tech at a large institution. I've read a lot bashing of the "in...
  25. I just changed out an old 30GB055 and an ALR060...

    I just changed out an old 30GB055 and an ALR060 with a new YCAL134. I don't know where you are located but I used vinyl jacketed styro foam insulation and applied embossed aluminum skin that came...
  26. Replies
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    2,007

    We have issues with steam from the showers in...

    We have issues with steam from the showers in dorm type housing.
  27. Replies
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    790

    We lost the bellows type seal on a YT after...

    We lost the bellows type seal on a YT after 3500+/- hours. Upon disassembly I found burnt or coked oil on and around the carbon. This unit spends most of its time running at low load, it does have...
  28. Replies
    2
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    1,117

    I've had trouble with the position sensor. The...

    I've had trouble with the position sensor. The plug at the acc board. Always showed vanes to be at about 5% even though they obviously were opened much farther.

    I'm with season0174, start be...
  29. Replies
    29
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    6,441

    I don't know for sure but I've been told that...

    I don't know for sure but I've been told that back in the 1970's, when the chilled water system was first installed at this facility that a PVC system was used. I was also told that there were...
  30. Thread: GlYCOL LOOP

    by maustin
    Replies
    5
    Views
    1,278

    Some people use it to inhibit corrosion of the...

    Some people use it to inhibit corrosion of the piping system.
  31. Replies
    12
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    3,433

    Yes, extended running at low load. No surging....

    Yes, extended running at low load. No surging. The machine is equipped with a York Optispeed VSD.
    Thanks Guys!
  32. Replies
    12
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    3,433

    Annual oil and filter changes last 5 seasons. 500...

    Annual oil and filter changes last 5 seasons. 500 hours on oil and filter this season. Annual oil analysis. Install instructions call for 17 psig at the shaft seal cavity. I think 2-4 was the old...
  33. Replies
    12
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    3,433

    York YT bellows type shaft seal failure

    I replaced the bellows type shaft seal on a York YT today. It is a 600 ton R-123 machine. The seal had less than 5000 hours on it.

    It appeared to have coked or scorched the oil as there was...
  34. Replies
    15
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    1,984

    Heavyevans, great idea, I'm going to try that at...

    Heavyevans, great idea, I'm going to try that at the next opportunity!
  35. Replies
    4
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    847

    Thanks macdaddy, I'm ordering a couple of 100'...

    Thanks macdaddy, I'm ordering a couple of 100' rolls today. I appreciate the help.
  36. Replies
    4
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    847

    Aluminum braid heater wire bulk supplier

    Where can I go to find aluminum braided heater wire in bulk? Everyone I have contacted wants to sell a prefabricated/preterminated heater assembly. I have many different door sizes here and want to...
  37. Replies
    4
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    587

    You might check and see if Anemostat has...

    You might check and see if Anemostat has something suitable in their "correctional system grille" line. I usually build my own with an angle iron frame and flat bar blades. It takes a little time but...
  38. Look in the commercial forum. There is a some...

    Look in the commercial forum. There is a some great info on sticking Ranco valves there. Take a look!
  39. Replies
    22
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    1,812

    parallel

    parallel
  40. I used to use 2 scissor lifts

    I used to use 2 scissor lifts
  41. Thread: RSES Members

    by maustin
    Replies
    27
    Views
    3,570

    Just joined and look forward to taking the CM...

    Just joined and look forward to taking the CM exam soon. Should have joined years ago!
  42. Thread: Flash gas

    by maustin
    Replies
    10
    Views
    3,721

    Kind of like jayhawker says, but I get it pretty...

    Kind of like jayhawker says, but I get it pretty bad after the annual Easter egg hunt!!
  43. Thread: Yt

    by maustin
    Replies
    3
    Views
    810

    I believe that you need an adminitrative password...

    I believe that you need an adminitrative password to reset the surge map. Just out of curiosity, why do you want to clear it?
    Thanks and good luck.
  44. Replies
    3
    Views
    1,289

    The shields are to retain the factory grease/keep...

    The shields are to retain the factory grease/keep contaminants out.

    Didn't bother to call York as the bearings I pulled had "SKF" on them. I was told that the C3 was concerned with the shield.
    ...
  45. Replies
    3
    Views
    1,289

    Call any truck/machinery supply house. I had...

    Call any truck/machinery supply house. I had trouble with the "C3", but if you leave it off you'll get shielded bearings. I pulled the shields, put em in the toaster oven, and slid them on. I think I...
  46. Thread: York question

    by maustin
    Replies
    1
    Views
    678

    Are you talking about the balance valve? If so,...

    Are you talking about the balance valve? If so, it has a 5 minute delay after compressor start up. The valve on our YT is NC.
  47. Replies
    7
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    1,342

    I'd get a brake first, you can bend your plenums...

    I'd get a brake first, you can bend your plenums and make a Pittsburgh with it. I wouldn't plan on making a lot of Pitts seams with it though.
  48. Replies
    5
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    1,191

    I can email you the manuals that I have for the...

    I can email you the manuals that I have for the YT series. Need your address.
  49. Replies
    339
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    51,223

    Oregon 19 years in the trade Similar to...

    Oregon
    19 years in the trade
    Similar to cleanheat, window shakers to centrifugals, refrigeration and controls all in the confines of a prison.
  50. Replies
    8
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    1,709

    Just had that happen here. It was the thermal...

    Just had that happen here. It was the thermal trip unit in the breaker itself. On some equipment you can replace the trip unit and leave the breaker in place.
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