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  1. Replies
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    Yee of little knowledge

    For your information, we do have a Selective Service law now. If you have a kid 18 years old they have to register. The law states that if a draft were enacted, there would be no deferments for...
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    Just another republican

    Above is quoted another republican that has never served and has no idea what the military is like or how they operate. If there was a draft, where everyone can be drafted, then our Armed Forces...
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    Amazing

    You know I have to take my hat off to the Republicans because they have been extremely successful in convincing all you hard working, blue collar workers that they are one of YOU.

    Their media...
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    1. Chill bill, why do you have to call someone a...

    1. Chill bill, why do you have to call someone a faggot??

    2. You are the first person I have known that thinks 40 percent is a majority. It aint' good cuz.
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    You guys act like you were born knowing...

    You guys act like you were born knowing pneumatics, give the guy a break.

    This post is to help people not ridicule. This is a forum to learn, if you want to ridicule people then get a job doing...
  6. Thread: Pneumatics

    by hvac-alan
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    I have emailed them. Still waiting for a reply...

    I have emailed them. Still waiting for a reply HVAC 3901. I sent it Thursday, so I can't call them slacking just yet.
  7. Thread: Pneumatics

    by hvac-alan
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    Thanks Maxter. I looked at ebay, but they didn't...

    Thanks Maxter. I looked at ebay, but they didn't have one either.

    Why use the Tool 100-500. Because we have one. I am new to the shop, we have one, it has seldom been used. I am not a super...
  8. Thread: Why

    by hvac-alan
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    Any one know where to get detailed information...

    Any one know where to get detailed information such as pdf files for Barber-Colman pneumatic controls

    [Edited by hvac-alan on 02-25-2006 at 03:07 PM]
  9. Thread: Pneumatics

    by hvac-alan
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    That would be great

    My email address is hvac-alan@nc.rr.com

    Thanks a bunch!!!!
  10. Thread: Pneumatics

    by hvac-alan
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    Looking for a website to get the instruction...

    Looking for a website to get the instruction manual for the Barber Coleman Pneumatic Calibration Panel (Tool 100-500) Any ideas??? I have tried Invensys website. No cigars.
  11. Thread: Pneumatics

    by hvac-alan
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    I am looking for a website to download a...

    I am looking for a website to download a instruction manual for a Barber Coleman Siebe Pneumatic Calibration Panel (Tool 100-500). I have tried Invensys website but cannot find a link to any pdf...
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    I agree with the formula cited above. Also if you...

    I agree with the formula cited above. Also if you have the info on the evaporator, there should be a chart that you can use to calculate it. This normally requires measuring the pressure drop across...
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    The Converter

    It has been a while, but Chill Bill revived this thread and I noticed that I did not give comment on the converter and using the little Dos program to watch all the temperature inputs.

    I have used...
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    Dos Program

    Chill Bill

    Would be happy to send the little program, but can't find your email address in your profile, please advise

    mine is hvac-alan at nc.rr dot com

    Alan

    EDIT: No email addies...
  15. Replies
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    What is a liberal

    Hvacpope What is a liberal exactly????
  16. Replies
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    It is all about helping Server Room

    Server room it is all about helping people. I have learned alot from this thread and I appreciate the fact that you kept us informed and stayed involved in the thread so we could get some needed...
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    I had a simuliar problem with intermittent trips...

    I had a simuliar problem with intermittent trips on a flowtronic chiller. The problem progressed until I started getting a chattering on the fan and compressor contactors before it locked out on 51....
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    Been there, I would like to see the formula...

    Been there,

    I would like to see the formula where you can determine static pressure with the known variables of vp and friction. I wasn't aware that you could get that from the information...
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    Have you tried to get some fan data from the...

    Have you tried to get some fan data from the manufacturer of the fan. Most have charts that will tell you what the CFMs will be at a certain static pressure. I would think that you could use the...
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    If you are looking for a book answer, then it...

    If you are looking for a book answer, then it depends on the type of building and the activiy being done like sparks has indicated.

    A chart for all these can be found in Table 10 of Manual N...
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    Update

    Hello all,

    Thanks for all your input. I went back today and went through the Carrier EXV troublshooting suggestions. Before that, I verified that the EXV was the correct one. It was. Checked...
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    Thanks John: That clears up the confusion I...

    Thanks John:

    That clears up the confusion I had with the number of steps this motor has. I have read in the historical part of this site that these type problems have occured when the incorrect...
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    Hey ac eagle I am going back Tuesday. I am...

    Hey ac eagle

    I am going back Tuesday. I am hoping the converter will be here soon, but I will have to start without it. I will check and double check the sensors and make sure they are wired...
  24. Replies
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    Hey ac eagle The board has not been replaced....

    Hey ac eagle

    The board has not been replaced. Though it may turn out that it needs to. The literature and several guys on this site have mentioned an exv driver board. I am fairly certain that I...
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    MMC You have been a great help. You have...

    MMC

    You have been a great help. You have filled in the part that I did not understand. I haven't been in commercial too long (1 year) and most of the guys in my department are far more advanced...
  26. Replies
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    760 step motor

    Earlier I stated that the EXV motor I needed was a 760 step motor. Now I am not so sure since I have found some Carrier literature that indicates that the motor has 1500 steps. Does anyone have some...
  27. Replies
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    Originally posted by mmc [B]OK...

    [QUOTE]Originally posted by mmc
    [B]OK hvac-alan,

    Once you get wired, just plug in your 6 pin connector onto plug J8 on the board and plug your GLC into your laptop. I use a 25 X 9 pin converter...
  28. Replies
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    You should have it now. I sent the program to...

    You should have it now. I sent the program to ultimatehvac.com. Hopefully he will be able to post in on the internet so I can link it in this post. I am no computer guru, but I think that it would...
  29. Replies
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    millerbug 42

    I do not think that I have a driver board on this unit. The micro processor controls the exv directly. But just in case I am misinformed, what are you calling the driver board?? and where is the...
  30. Replies
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    Joey

    You should have it. Let me know.

    Alan
  31. Replies
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    Thanks mmc I havent got the converter yet, but...

    Thanks mmc

    I havent got the converter yet, but I have the instructions to connect to the J8 plug. Do I hook the converter to my 9 pin serial port???? Where do you connect yours. Also, will this...
  32. Replies
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    Hey ac eagle: I changed the core driers, I had...

    Hey ac eagle:

    I changed the core driers, I had a 4 degree drop across the drier plus we still had a little water in the system due to the cracked chiller barrell (the sight glass was yellow). I...
  33. Replies
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    John Williams

    Hello John:

    The Model and Serial number are:

    30GT130610KA #4496F38497

    I am going back Tuesday to go through the EXV troubleshooting guide that Carrier provides, but wanted to verify...
  34. Replies
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    Thanks Coolfrog: If you are referring to going...

    Thanks Coolfrog:

    If you are referring to going through the 42 step quick test and checking settings. I have and it gives me the code for having an EXV. I think it is step 5 and the code for EXV is...
  35. Replies
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    klrogers

    You should have it now. It is a small DOS program. Looks like it will run on XP, though I have been told to use Windows95.
  36. Replies
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    Hey Licensed to Chill

    Would like those part numbers if you have them. Also do you have the part numbers for the different EXVs????
  37. Replies
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    I haven't heard that one. I recently went to a...

    I haven't heard that one. I recently went to a york millenium class where the factory reps discouraged ordering of York units with Johnson controls in favor of their new simplicity line. This line...
  38. Is it the compressor or the weak electric...

    Is it the compressor or the weak electric service. A new unit or compressor may do the same if 30 amp service is all you have. Is the breaker in the house tripping-- may need a slow blow breaker to...
  39. Replies
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    Original EXV looks different than replacement

    The original exv looks different than the replacement. Does anyone have a link to the differnet Carrier exv's????
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    Can't come up with any in your case, but it seems...

    Can't come up with any in your case, but it seems that with the advent of circuit boards and DDC controls, DC relays are often used to turn of equipment
  41. Replies
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    Thanks AC Eagle

    I am certain now that the sensors are working properly. Spent a good part of the day monitoring them. Saw what the board was seeing, ie a high superheat (the exv was closed completely). The valve...
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    Thanks KL rodgers

    If I understand your post, it would be possible to repair the board if it is giving the wrong commands to the exv?? The board is EPROM. Not sure what that is, but I read it in the controls...
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    krogers, I sent you the attachment via email. ...

    krogers,

    I sent you the attachment via email. I think that I sent it to the correct link. Let me know. According to Carrier it will let you look at all 8 thermistor temperatures without having...
  44. Replies
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    A bit more information

    Spoke to the tech who changed out the exv. He told me that the motor of the new exv burned out because of the water in refrigerant circuit. The chiller barrell had a crack. It was changed. Is it...
  45. Replies
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    Thanks Chill

    I contacted Carrier on Friday. They gave me a software program (DOS) that could give me all the thermistor readings in real time and the position of the EXV. I need to get a Telebyte Model 65...
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    Thanks double bubble

    Thanks alot. I have read this in a previous post on this site. I am fairly certain that I need the 760 step EXV. The tech who changed the EXV told me that the wire colors in the new cable changed. ...
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    Thanks chillirig. I helped do that once, but...

    Thanks chillirig. I helped do that once, but that was before the chiller barrell was replaced--could have been swapped..

    Note: I am able to see what the sensors are seeing with my DC volt...
  48. Replies
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    EXV problems on Carrier 30GT Chiller

    I am the third tech put on this chiller 30GT 130. Problem is that Circuit B shuts off on High Superheat, then sometimes Low Superheat, and occasionally low oil. All sensors are good. Their are two...
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    Re: allen

    Went back today, not a hot day, alot of rain. The unit was meeting setpoint today, the compressor was not fully loaded and the suction line was sweating and cold. I want to check this thing out...
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    Two things: 1st the "dumb" question. Do you...

    Two things:

    1st the "dumb" question. Do you have the 'carrier key' to open the software. This is either a little purple thing that looks like a travel drive that plugs into a USB port or a gray...
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