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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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    1,325

    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
    28
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    1,325

    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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    437

    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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    1,569

    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.
  11. Replies
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    3,066

    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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    1,790

    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...
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    2,443

    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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    1,790

    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
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    2,797

    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
    1,418

    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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    987

    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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    671

    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:
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    6,831

    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
    55
    Views
    6,296

    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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    1,832

    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...
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    1,171

    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...
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    958

    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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    937

    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...
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