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Type: Posts; User: Dallas Duster

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  1. Makes sense now as to why you were reading the...

    Makes sense now as to why you were reading the high DP. Just sounds like your system was low on water, depending on the makeup type there could be a strainer in there too.
  2. Is there a pump package on this chiller or is the...

    Is there a pump package on this chiller or is the pump external of the chiller ?
  3. Yep clear as mud.

    Yep clear as mud.
  4. There are actually (6) different combinations of...

    There are actually (6) different combinations of condenser fan motors that can go on that chiller the serial number will tell the parts guys what you need? You will also need to know what Motor...
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    If that's the case you could always upgrade it to...

    If that's the case you could always upgrade it to the motor master 5 if price is not a problem.I have never heard of a timing issue if that was the case a time delay relay could be thrown in there.
    ...
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    The wiring diagram shows an aux contact to keep...

    The wiring diagram shows an aux contact to keep the low and high speed contactors pulling in at the same time .
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    Can you duplicate this using test mode ?

    Can you duplicate this using test mode ?
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    Is you auxiliary contact on your high speed...

    Is you auxiliary contact on your high speed contactor working properly ?
  9. I would say it's pretty recent but what you have...

    I would say it's pretty recent but what you have there is the compressor serial number and not the actual chiller model and serial number. My guess is that it's a 19 series chiller.
  10. What kind of unit?

    What kind of unit?
  11. NSTV is not going to download to an EXV driver...

    NSTV is not going to download to an EXV driver board the only benefit you will have is to see the EXV maintenance tables. What type of chiller are you working on there?
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    I think hvac69 may have fixed it for you Joe did...

    I think hvac69 may have fixed it for you Joe did tech although it sounds like you may have 3rd party controls on your unit. Your unit does have a DP switch which does have the ability to monitor fan...
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    You are correct so I read it wrong. Now I see the...

    You are correct so I read it wrong. Now I see the 50hz info below in bold lettering .
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    Why not put a loss of charge switch on the high...

    Why not put a loss of charge switch on the high side of the system?
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    Defiantly a 3 HP motor at 208/230 volts. There is...

    Defiantly a 3 HP motor at 208/230 volts. There is only a .2 amp difference between the low and high end of the 208-230 volt range so minimal horse power loss.
  16. I started thinking about this a little bit more....

    I started thinking about this a little bit more. Is this installation going to pay itself off in 5- years? In 5 a years if the chillers are going to be replaced I would be hard pressed to see what...
  17. This seems typical of a company like AT&T they...

    This seems typical of a company like AT&T they are on the energy kick with systems like this and other products like evapacool. I think they have also installed electricity producing windmills over...
  18. Thread: EEV

    by Dallas Duster
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    That looks like an 11 ton valve to me. ...

    That looks like an 11 ton valve to me.
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    Boy ain't that the truth.

    Boy ain't that the truth.
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    The sensor on the leaving or entering side is...

    The sensor on the leaving or entering side is floating in or out of range sounds like one is bad. Not miswired.
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    Accutrol is the name it's there a LLS also in...

    Accutrol is the name it's there a LLS also in there ahead of the evap coil ?
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    It could be a piston metering device does it have...

    It could be a piston metering device does it have a semi hermetic compressor or scroll?
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    Yeah I'm thinking it is a check valve for a heat...

    Yeah I'm thinking it is a check valve for a heat pump too.
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    Winner winner chicken dinner I think you are...

    Winner winner chicken dinner I think you are saying you need a bleed port TXV.
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    Because he said it was a brand new unit.

    Because he said it was a brand new unit.
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