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  1. LOL ok so it's 10 degrees of sub cooling that is...

    LOL ok so it's 10 degrees of sub cooling that is low, sounds like you have a problem with the metering device. High amps, low sub cooling, low head pressure, high suction pressure, low temp drop...
  2. In your original message you said your head...

    In your original message you said your head pressure was 180, now it's 300? What is your sub cooling? I almost bet that it's high. What's the OSA temp?
  3. What type of metering device? How is the airflow...

    What type of metering device? How is the airflow across the evap? What's the sub cooling? Amp draw on each compressor? :cheers:
  4. Replies
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    1,907

    Well at least now you know. Is there a current...

    Well at least now you know. Is there a current sensing relay for the 4 th compressor? Something is reporting back to the unit logic and locking out both compressors.
  5. Replies
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    1,907

    Have you tried to run the 4th compressor by...

    Have you tried to run the 4th compressor by itself in test mode and see what it does? I have had problems with the older intellipak condensers being too small and under high load I would over amp a...
  6. What is regulating the flow of water across the...

    What is regulating the flow of water across the condenser section heat exchanger (ie. plate and frame)? Check the circuit setter or what ever you are using to regulate your GPM across the condenser....
  7. Try the comfort link web site, it has the Trane...

    Try the comfort link web site, it has the Trane literature. www.comfortsite.com you will need to set up a user name and password.
  8. Thread: Liebert DS

    by GoColts
    Replies
    3
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    629

    Whats the model number of this unit?

    Whats the model number of this unit?
  9. What's the model number? And how does the unit...

    What's the model number? And how does the unit stage up the compressors?
  10. Replies
    16
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    2,050

    Did you check the heater in the Lee Temp...

    Did you check the heater in the Lee Temp receiver? The liquid line leaving the receiver should not be ambient tempature.
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    3,905

    You get what you pay for. Buy cheap stuff and it...

    You get what you pay for. Buy cheap stuff and it wont last very long, buy Lieberts and if they are installed properly as Jerry said they will last forever with proper maintenance. One of my data...
  12. Replies
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    2,214

    I also know some factory techs, one I speak to...

    I also know some factory techs, one I speak to quite often (about fishing of course), he has had more problems with the 410a systems. I agree that a replacement for r12 has never been found, 134a is...
  13. Replies
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    3,209

    What he said is true, had this happen to me...

    What he said is true, had this happen to me before, got another new motor and magically it ran the right direction.
  14. Replies
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    2,214

    Really? If the system is installed and started as...

    Really? If the system is installed and started as per Liebert specs. this does not happen. I have 2 challenger, 1 DS, and a XDC system, all running 407c. The oldest system is 3 years and the newest...
  15. Replies
    22
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    3,579

    What are the refrigerant pressures doing when the...

    What are the refrigerant pressures doing when the amps climbed? When these compressors were installed was the system properly flushed and cleaned? The milky color in the oil could be moisture, there...
  16. Thread: leibert

    by GoColts
    Replies
    9
    Views
    1,776

    311621 311631 311641 Not sure if this...

    311621 311631 311641

    Not sure if this worked, but if you need more email me and ill send you what I have.
  17. Replies
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    1,160

    Higher voltage = lower amps. I agree with jayguy...

    Higher voltage = lower amps. I agree with jayguy check the pulley if it is adjustable open it up and you should see your amps drop. If it is a fixed pulley, call the factory and see what pitch pulley...
  18. Thread: Mini Split

    by GoColts
    Replies
    2
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    826

    More info needed, model#, brand name, delta T,...

    More info needed, model#, brand name, delta T, ect. no way to know what path to send you down. :gah:
  19. Replies
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    9,831

    I beg to differ, this is a good time to be new to...

    I beg to differ, this is a good time to be new to the trade. Right now I work 40+ hours a week in this slow economy. I was lucky to work with top notch Journeymen as an apprentice in school and they...
  20. Replies
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    7,853

    Pull the jugs of referigerant off of their...

    Pull the jugs of referigerant off of their trucks. Untill you can show them the proper way to charge a new system. :cheers:
  21. Replies
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    2,376

    Manual HPS are installed for a reason, If you...

    Manual HPS are installed for a reason, If you trip it you need to look at it and see why it tripped. I dont know how many compressors I have replaced because it went into high head then auto reset...
  22. Replies
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    1,496

    My favorite was the remake of " All Quiet on the...

    My favorite was the remake of " All Quiet on the Western Front". He played a german Sargent nicknamed Kat. The main character was played by Jon-boy ( Richard Thomas?) from the Walton's. I would love...
  23. I saw an old challenger series unit with a TXV...

    I saw an old challenger series unit with a TXV fed by two liquid lines. One of the lines had a solenoid in it. This is for capacity control, if you are going to charge the unit you must have it...
  24. Replies
    4
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    1,135

    Taking a long shot here but, what type of oil is...

    Taking a long shot here but, what type of oil is in the system? Because POE oil is a detergent and it may be discoloring your paint. I'm not a chiller guy so this is a wild guess on my part. :whistle:
  25. Replies
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    1,170

    My memory is failing me, but the board in the...

    My memory is failing me, but the board in the unit and the iCOM controller each have their own addresses. It sounds like the iCOM can see the other unit in the network but it can't see the unit it is...
  26. Replies
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    5,489

    I am truly sorry for your loss.

    I am truly sorry for your loss.
  27. [QUOTE=qwerty hvac;13446611]Go to carrier and buy...

    [QUOTE=qwerty hvac;13446611]Go to carrier and buy two more.



    Winner!!! :grin2:
  28. Replies
    3
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    662

    Those older boards have a 3 or 5 volt battery...

    Those older boards have a 3 or 5 volt battery sodered onto the board. That keeps the eprom powered at all times. If that battery dies and power to the unit is shut off it kills the board. There is no...
  29. Have you sent off an oil sample and had it...

    Have you sent off an oil sample and had it tested? That's what I would do.
  30. Replies
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    2,257

    Very true, we put Trane controls on a Carrier...

    Very true, we put Trane controls on a Carrier chiller, best it's ever worked. :cheers:
  31. Thread: P-66 or motor

    by GoColts
    Replies
    7
    Views
    840

    You are correct, if I remember correctly there...

    You are correct, if I remember correctly there are 3 different pressure ranges that they operate in. For example the ones I use are 185-245 psi range. So at 185 psi the motor is at 3% then at 245 psi...
  32. Thread: voyager fan

    by GoColts
    Replies
    4
    Views
    890

    How are you getting the fan to run if it won't...

    How are you getting the fan to run if it won't run in test mode? Sounds like the airflow switch is not making. Check the fan rotation to make sure its turning the right way. If it is see if your...
  33. Replies
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    746

    This might help you as well.

    This might help you as well.
  34. Replies
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    746

    Yes, since there is a low load condition you are...

    Yes, since there is a low load condition you are not boiling off the liquid r134a off inside the XDH's so to make a long story short you are stacking referigerant inside your evap coils and your...
  35. Replies
    4
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    766

    When doing start-up, one of the things you are...

    When doing start-up, one of the things you are supposed to do is set the line voltage on the transformer. With that said I have seen many units started up with 208v incoming power and the tap left at...
  36. Replies
    4
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    766

    Does it have a muli tap transformer? If so make...

    Does it have a muli tap transformer? If so make sure it's wired to the 208v terminal. Is this the only contractor that as 21v at the coil? :cheers:
  37. Replies
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    1,793

    I have an iPad 2 with 3g, not company furnished....

    I have an iPad 2 with 3g, not company furnished. It goes everywhere with me. The camera is a huge advantage over the iPad 1. I use it just like I would use a tool out of my tool bag. :cheers:
  38. Replies
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    3,631

    Here is what I have. :cheers:

    Here is what I have. :cheers:
  39. Replies
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    1,235

    I know that you wire the stat up for W1 to call...

    I know that you wire the stat up for W1 to call for heat, the control board is what has the heat pump logic in it. Have you tried to engerize the reversing valve? Im fishing here, sorry. :cheers:
  40. Replies
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    3,631

    I am also taking my Star exam this year, mid...

    I am also taking my Star exam this year, mid March I believe. My wonderful teacher has emailed us a UA star test study guide. Email me and I'll send you the .pdf files. :cheers:
  41. Thread: Coil combs

    by GoColts
    Replies
    8
    Views
    914

    Along with my pocket screw driver it works like a...

    Along with my pocket screw driver it works like a champ. :cheers:
  42. Thread: Coil combs

    by GoColts
    Replies
    8
    Views
    914

    I got a good set of fin combs from Trane, yes...

    I got a good set of fin combs from Trane, yes they are plastic but I have used them for 2 years now. The wire kind broke on the second use .:gah:
  43. Replies
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    3,634

    I have the gun and have used it on 1 3/8 inch...

    I have the gun and have used it on 1 3/8 inch lines. Just takes a few more cans and a 250 lb cylinder of nitrogen for the flush process. Then a nice long purge. :cheers:
  44. Why not just use the economiser and set up a...

    Why not just use the economiser and set up a building purge? That is if you have some type of BAS. :cheers:
  45. Replies
    24
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    3,634

    I have used RX-11 flush many times on some really...

    I have used RX-11 flush many times on some really bad burnouts. With a suction line core dryer, new liquid line filter dryer and some of that acid away. Changed the suction line dryer core out the...
  46. Thread: Flame failure

    by GoColts
    Replies
    3
    Views
    938

    Is it proving flame?

    Is it proving flame?
  47. Thread: HOLIDAYS

    by GoColts
    Replies
    1
    Views
    464

    Right back at ya! :cheers:

    Right back at ya! :cheers:
  48. Replies
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    697

    You are correct, typo on my part. Thank you....

    You are correct, typo on my part. Thank you. :cheers:
  49. Replies
    5
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    1,199

    Make it so just the fan being controlled by the...

    Make it so just the fan being controlled by the p266 is the only one that comes on and see what happens. But if the compressor OL is tripping, why do you think that the p266 is the issue? I have...
  50. Replies
    5
    Views
    697

    We're mufflers installed on the hot gas lines at...

    We're mufflers installed on the hot gas lines at the compressors? Also like the last post said, check for a head master valve. It will open under low ambient conditions ( low suction pressure) to...
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