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  1. Replies
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    HoneyWell Node Crash

    Hello,
    I maintain a Honeywell Excel 15b controls system. The system repeatedly has "Node Crash," in its alarm log. What does this mean and how to I make it go away?
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    Honeywell Excel 15B Node Crash

    Hello,
    The question pertains to a Honeywell Excel 15b and one alarm in particular. The alarm says "Node Crash"...Excel 15b. I assume this has to do with communication loss. However, can anyone shed...
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    2,516

    UPCM

    I don't recall becasue I've been running the software with DOS Box for a while. I think the software may work but runs into problems later. If you get it to run standalone mode then great. Unless...
  4. BMN software

    I can't really send you any software because ma Trane frowns upon such activites...Contact you're local Trane office...
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    2,516

    UPCM and BMN

    I have Windows 7 and could not use any of my old DOS programs like UPCM. I had to install a third party DOS shell program called DOSBOX. The software allows the user to run old DOS programs. The...
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    BAS Change

    NOSKILLTECH is absolutely correct. You will spend hours of your life learning things you will not get paid for. In addition, I've spent hours of my life rewriting code for free. If you like to be...
  7. VAS

    To be honest with you I don't always set the min CFM exactly at the min of the unit. However, if the system has old air handlers then I do becasue older units don't have high pressure safties like...
  8. Tracker

    The password is 1111 and I believe the dip switches can disable the Tracker password. I'll get back you on BMN.
  9. Min CFM Set Points

    Scrooloose is correct about the min CFM setting and along with his other comments. However, you asked what the minimum CFM set point should be in VAS. Well, letís understand what the primary purpose...
  10. I believe the HyperTerminal settings are the same...

    I believe the HyperTerminal settings are the same for Tracker as they are for Tracer 100. However, the baud rate may be different. I know the key strokes for both Track and Tracer 100 are the same....
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    950

    Change of scenery

    I started out as a mechanic and moved over to controls about ten years ago. Controls are very cool but it is different. The work is less physically demanding but it is still demanding. Controls can...
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    1,793

    Condenser Water temp

    You are correct, lower condenser water temps should be only used with refrigerant pumps. However, the lower condenser temps are not just limited to adaptive view units. Lower condenser temps can...
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    1,793

    Condenser Water Temperatures

    Here is some newer documentation concerning condenser water temperature. The information youíre looking for is on page 7.
  14. Replies
    9
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    1,793

    Condenser Water Temperature

    If youíre interested service bulletin CVHE-CSB-40 tower water temp and the myth that Trane chillers need warm water. To paraphrase the service bulletin, if you maintain a 5 PSID across the condenser...
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    Cooling Tower

    Yea it's only about 50 tons total compressor capacity. Irregarless, the system needs more condenser because the old one is under sized. I figured water would be the way to go.
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    LCP

    Let me know if you need anything else...
  17. Replies
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    1,581

    Water Cooled

    What I meant was a small cooling tower recirculating the water. The water is reclaimed so the cost is minimal as far as water goes. Iím curious about the electrical cost with lower head pressures....
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    Converting air cooled to water cooled

    I'm in the process of upgrading a condenser for some coolers. I've thrown the idea of going water cooled at the customer. Does anyone know what the operating savings would be going from air cooled to...
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    2,349

    High head pressure

    It seems in my case the previous techs and owner just ignored the problem becasue of the automatic switch. I even had the relief valve blow because one of the switches failed from too much cycling....
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    590

    LCP Panel

    This old DOS software is a little quarkery and I assume that you don't work with it much. I'll try and explain this the best I can with visuals. I've attached a Word doc going through the basic...
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    2,349

    High pressure switch

    When the automatic switches were in place the customer would ignore the fluctuating temperatures. However, after installing the manual switches the customer wanted to address the high pressure...
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    2,349

    High Pressure Switches

    I must ask someoneís opinion after being out of the refrigeration side of the business for a few years. I have a customer with several walk in freezers and coolers with automatic high pressure...
  23. Emerson Controller

    Thanks for the information, the controller sounds like it's staright foward. By the way, I'm already a controls freak
  24. How do I setup an Emerson Controller

    I have an Emerson 834-0400 controller for a refrigeration rack and it has never been setup. I'm not even sure if the controller even works. My question is, do I need some special software to setup...
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    Condenser Fan Running backward

    I agree, baffles will be needed and will be installed later.
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