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Type: Posts; User: jurban10

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  1. Replies
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    It would be interesting to know what the life...

    It would be interesting to know what the life cycle pay back on this type of construction is. Any idea? Any calculation made? Perhaps even a simple payback figure.
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    16,953

    Old technology wrapped up in a consumer friendly...

    Old technology wrapped up in a consumer friendly package.
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    494

    Direct Connect to Reliable Controller

    Does anyone have an opinion on the best 24 pin serial to RJ45 adapter to direct connect to a Reliable Controls Mach I?
  4. Replies
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    943

    Perhaps your unit has an on-cycle time delay. ...

    Perhaps your unit has an on-cycle time delay.

    Or pop pops blower is delivering less CFM.
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    699

    I think you would be taxing the VA of the GCS....

    I think you would be taxing the VA of the GCS. Better to run a pair from each switch to the input terminals. I think trying to use one common from the GCS to supply all the switches will lead to...
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    So this is two seperate switches on a float assy....

    So this is two seperate switches on a float assy. perhaps indicating 2 levels in the tank like high and low or fill and stop?

    I have seen this. Keep in mind that the common terminal on a GCS input...
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    At least they were thinking about drainage. The...

    At least they were thinking about drainage. The unit is on the same level as the window sill.

    Good ole redneck engineerin' Works like a champ! :cheers:
  8. Thread: Siemens SCU

    by jurban10
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    740

    Siemens SCU

    Anyone in need of SCU parts or complete assy. let me know.
  9. Replies
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    699

    A Digital Input is simply looking for a closed...

    A Digital Input is simply looking for a closed set of dry contacts. Short the DI at the GCS and it should show closed. If it dosn't then the GCS is the problem. If it does then the device or wiring...
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    Preheat role in dehumidification

    With a 4 circut coil the ability of the system to remove water from the air is greatly reduced with the dropping out of each circuit. The preheat increases the load on the system to stage on capacity...
  11. Thread: Network 8000

    by jurban10
    Replies
    13
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    1,363

    BLOCK communication to another device has been...

    BLOCK communication to another device has been lost. This message is generated when a BLOCK can't exchange data. Like loss communication between your GCM and a Microflo.
    Check the green and yellow...
  12. Nice. What was the net effect on your energy use?

    Nice. What was the net effect on your energy use?
  13. Replies
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    A pocket PT chart which has been suggested is...

    A pocket PT chart which has been suggested is your best bet. National Refrigeration has the best one I've seen. Free for the taking at any NR supply house. They also have electronic TP charts. Just...
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    I think maybe we are missing the exhaust air...

    I think maybe we are missing the exhaust air here. If the room is a negative pressure and the exhaust is simply being dumped out with out recovery of any sort then I'm with the guy telling you 16.5...
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    PTC Heater Size

    Does anyone have any experience sizing PTC preheats for 100% OA WSHP?

    Any help or direction would be greatly appreciated.
  16. I don't think a little advise to this guy is...

    I don't think a little advise to this guy is goona break down the industry!

    :cheers:

    Someone could have at least told him about the reverse switch on a ceiling fan! :payattention:
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    With all due respect..that's a big soap box.

    With all due respect..that's a big soap box.
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    You should have turned it into stuff. I turned...

    You should have turned it into stuff. I turned the one I removed for similar reasons into ash and smoke and stuff.
  19. opps!...excuse the fat finger typo...it's R290....

    opps!...excuse the fat finger typo...it's R290. Necesary stuff!
  20. I have used it quite extensively! It's used in...

    I have used it quite extensively!

    It's used in ultra cold cascade systems as a means of anti waxing and oil return. It's needed for the low inner evap temps to get the box down to -180C. Been in...
  21. I was involved in the HVAC of a lab which was...

    I was involved in the HVAC of a lab which was designed for a 72F +/- 2F space temp and 50% +/- 5% rH. The lab's duty had changed and with the new campaign came new enviro specs. Now they wanted...
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    Raise the space temp.

    Raise the space temp.
  23. I did this once in a conference room full of phDs...

    I did this once in a conference room full of phDs at a pharmeceutical company.
    I took in with me a sponge and a beaker full of water. Dipped the sponge in the water..not dripping wet but wet....
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    Any subpoint in a TEC can be created in Point...

    Any subpoint in a TEC can be created in Point Editor. Mirrowed if you will.
    Make sure you address it correctly. Do not use the subpoint name as the mirrowed point name call it something else. I...
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    Mammoth MAU G-XXX-MLC

    Hello all,

    I am in search of a refrigeration diagram for a Mammoth G series MAU. This is a 100% OAU and part of a Geothermal system. It is dual circiuted. 2 stage cooling with hot gas bypass. 2nd...
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