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  1. Replies
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    I dont remember off hand its been alil while but...

    I dont remember off hand its been alil while but no issues but did have to dial in .
  2. Replies
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    Shorted to ground probably due to mechanical...

    Shorted to ground probably due to mechanical issue the new compressor sounds pretty loud but has been running for a while now.......you can go into the Corel controller and change the settings on...
  3. Got it figured out wrong cartridges in self...

    Got it figured out wrong cartridges in self balancing valves and one vav box way undersized thanks for response Alcomech
  4. Replies
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    4,376

    we lost a digital scroll compressor on a new JTS...

    we lost a digital scroll compressor on a new JTS chiller also.
  5. Existing building added VAVs and hot water coils now new addition too cold????.

    Whats up I have a issue with a building we did a TI in we added about 10 new vavs that run off existing boiler with bypass valves self balancing valves and a new unit on roof for cooling basically a...
  6. Replies
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    4,473

    Check your volts when running? Bad contacor...

    Check your volts when running? Bad contacor breaker disconnect? Tighten all connections check voltage drops across them and temps..
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    Sounds like single phase situation... Would look...

    Sounds like single phase situation... Would look like locked but need to make sure all 3 legs present.
  8. Replies
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    3,182

    Did you check voltage to motors when they run...

    Did you check voltage to motors when they run backwards and amp draw ?
  9. Replies
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    1,735

    Previous post is right probably bad cfm works in...

    Previous post is right probably bad cfm works in morning late afternoon gets hot trip out. Check case temp to see how hot its getting.
  10. Replies
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    9,692

    Swivel tee . Or when its colder little lower...

    Swivel tee . Or when its colder little lower pressure do it on the fly with gloves on.
  11. trane pcv 4d centravac any one looking for parts

    Demoing one out pm if interested or need any parts controls etc
  12. Replies
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    2,398

    If you say so likely hood nothing will happen but...

    If you say so likely hood nothing will happen but it can happen and cause damage. Show me where your manufacturer recommends megging a centrifugal motor in a deep vacuum.
  13. Replies
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    recommend megging low pressure centrifigul raise...

    recommend megging low pressure centrifigul raise pressure to 1 psi
  14. Replies
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    2,398

    The reason they say not to meg a motor in a...

    The reason they say not to meg a motor in a vacuum is because vacuum there is no atmospheric insulation between the phases and from phase to ground. Arcing can occur inside the motor. Even in a low...
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    i just went through this lost a heat exchanger......

    i just went through this lost a heat exchanger...

    did the system run when failure happen water get in to txv oil etc??

    I had a system do fouled up couldnt even get refrigerant out with...
  16. Replies
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    Don't meg a low pressure centrifugal lol

    Don't meg a low pressure centrifugal lol
  17. Replies
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    2,398

    It matters on the compressor I have megged many...

    It matters on the compressor I have megged many only to find inconsistent reading due to refrigerant and oil even called copeland to ask about readings on a job I did which a new building lost one...
  18. Replies
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    meggers good for motors suck on compressors to...

    meggers good for motors suck on compressors to many factors refrigerant oil etc get wierd readings
  19. Ya we are in California central I don't know how...

    Ya we are in California central I don't know how many days in the summer that will be below 55 in the mornings and they are never there at night. I will encourage them to repair it. Are there any...
  20. Honeywell w7212a1009 Actuator. Honeywell...

    Honeywell w7212a1009
    Actuator. Honeywell ms7510a2206

    I don't know what kind of enthalpy control was behind louvers in wall but will be back there soon thanks guys.

    Don't have unit mn handy...
  21. The only thing I'm worried about getting it...

    The only thing I'm worried about getting it running is when its cool enough to economise and the load all comes in at once the second stage will call which I believe is first stage when in econo mode...
  22. Do economisers work well in churches? need opinions

    Do econos work well in church setting because of the larrge heat load at once? The system I am working on consists of 2 large air handlers 2 condensers. The system has economiser installed but all...
  23. you need to know what signal your controller or...

    you need to know what signal your controller or actuator takes the co2 sensor usually will have your 24v to power it then puts out a 2 to 10 vdc signal out usually to a specified terminal or...
  24. LOL.

    LOL.
  25. Update Well I got this chiller running if it...

    Update

    Well I got this chiller running if it wasn't for the r 11 I had from a old job.I flushed so much wax out of this thing from the water freon and oil turned straight to wax nastiest ****...
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