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  1. siemens PXCM hyperterminal problems

    We are still using a direct dial modem to modem access of our siemens panels for when the internet is down, however our one panel that was up date to a pxcm stop working. We can connect to the panel...
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    Siemens Virtual LAI limit

    Is there a way to limit the input for a LAI, like a heat exchanger set point so it can not be set to high. We had a newbie set one of our Heat exchangers to 1000+ degrees and did not notice it for...
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    Need help with Siemens system

    Here is my problem, on Monday my outside air sensor stopped working it was stuck at 19degs. So I made the point a virtual and set it at zero because it was about that temp. I then replaced the...
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    I know that stem coil are an option but this coil...

    I know that stem coil are an option but this coil looks like a hw coil. There is no room to put the trap in the unit because the coil goes tight to the floor. I am trying to figure out if the...
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    Dectron question

    Has anyone ever seen a dectron pool unit with a steam coil in it. Here is the reason for the question some might remember me asking about this unit tripping on high discharge temp, that was because...
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    Sam- looks good priced right too I will have to...

    Sam- looks good priced right too I will have to wait and see

    Kevin-that's a good idea. Anyone have any pics. Is it comfortable?

    Automatedfreak- I have been looking at the 75 pocket one...
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    I did see that one if it was a backpack it would...

    I did see that one if it was a backpack it would be perfect. I really want a backpack but I might have to settle. If that is the case then that is the one I will be going with.
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    Tool/laptop backpack

    I know there is a tools forum but this is specific to controls. Does anyone know of a backpack made to carry a laptop and tools? I carry more tools than a lot of controls guys would normally, but I...
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    Finally made it home/ back to work. They stuck...

    Finally made it home/ back to work. They stuck the new compressor in while I was out of the country. Guess what it ran for a little wile but back to the same problem. The tech is coming back...
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    DeltaT/koolaid747 thanks for your response. The...

    DeltaT/koolaid747 thanks for your response. The compressor still has not showed up I am heading out of the country for two weeks so I will not get any info until I get back. The unit are Dectrons...
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    1,533

    These unit were suppose to be fully run and...

    These unit were suppose to be fully run and tested. My point in this is this unit cost over 100 grand showed up three weeks late and now we are waiting two more weeks already for the unit to run. ...
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    1,533

    The unit was tested at the factory. It was...

    The unit was tested at the factory. It was suppose to be set and turn on. They sent a salesmen to do startup the installers had to bring one of there service tech to to take refrigeration readings....
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    I am not sure if it has a headmaster. I would...

    I am not sure if it has a headmaster. I would think it would since it will run all winter.
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    Outside air only no pool heat recovery again...

    Outside air only no pool heat recovery again sorry for the limited info they will not let me test anything since it is not ours yet. I just don't think that a compressor would be the problem? Just...
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    1,533

    High discharge temp

    We just had two new pool dehumidify unit installed for our pool area and one of them is tripping on high compressor discharge temp (above 200). Any ideas what would cause this. The service tech (...
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    As for the reversing valve I know a tech that had...

    As for the reversing valve I know a tech that had the same problem for some reason it is getting power from RH instead of RC Honeywell messed up some where. I think you will need to hook your...
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    We have the oyster by extech it came from grainger

    We have the oyster by extech it came from grainger
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    do you have a model number? how do you know it is...

    do you have a model number? how do you know it is a two speed motor? if it says anthing on the motor then it should show what wires are what.
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    Are you sure the motor is a two speed motor?...

    Are you sure the motor is a two speed motor? Trane like to use single speed motors with a transformer. The transformer reduces the voltage down resulting in speed reduction. Do not know if they did...
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    The company that I used to work for was going to...

    The company that I used to work for was going to have one of our supply houses retest ours until they found out you could buy new tanks cheaper than the test. I dont know what you are paying to...
  21. Depends on what you are installing. Most...

    Depends on what you are installing. Most equipment is to heavy to move by yourself, so if you don't get a helper I would not even think of taking the job. The company I used to work for always sent...
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    Did you check temp rise? It will give you a real...

    Did you check temp rise? It will give you a real good idea if you have enough flow. An yes you need something to control flow. What are you call water reg valves. Are they static like globe valve or...
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    after further research all of the points are...

    after further research all of the points are unbundled and using the ppcl located in the MBC

    Ken I am going to use a tec that has a bad AO since I only need one. I am using the 2299 app and just...
  24. Thread: vav

    by trykonxlgold75
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    Does that violate any child labor laws?

    Does that violate any child labor laws?
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    1 in will flow 16 gpm with less than 20 psi and...

    1 in will flow 16 gpm with less than 20 psi and 1/2 will flow 7 gpm I would check for obstructions in the pressure reg valve. They should have strainers on them if they don't they will plug up very...
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    Changing out Siemens uc

    I am getting ready to change out a Siemens Uc and noticed that there is a ppcl in both the Uc and the MBC for the same rtu. Which one does the Uc follow? I would guess the one in the Uc since it can...
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    Read the instructions they are very helpful

    Read the instructions they are very helpful
  28. We have a similar problem with one of our...

    We have a similar problem with one of our buildings. Our water guy thinks it is bacteria , we have treated with biocides but still have problems.
  29. Might have answered my own question but i will...

    Might have answered my own question but i will have to wait untill tonight to check it out. I think i need to send two volts to the module to zero it. I was using the span that someone put in our...
  30. Honeywell q7230a 1005 interface module setup and adjustment

    Had to replace an interface module on a honeywell mod. motor and when i tryed to adjust the Zero setting i can turn the pot. all the way and the motor will not move. Not sure if i am missing...
  31. I finaly got the model number. they are trane...

    I finaly got the model number. they are trane model vvuve100 they have one coil (2pipe system) with a face and bypass damper. There is no control of the water flow they coil is always hot. when...
  32. Yes this is for a school I will have to wait...

    Yes this is for a school I will have to wait until tonight to get a model number I only have the control as builts nothing on the unit itself.
  33. The units have a face and by pass coil that is...

    The units have a face and by pass coil that is how they control the discharge air temp.
  34. Trane univent discharge air sensor location

    We have over 100 trane univents that they used an averaging sensor for the discharge air. The coil is about 4 inches below the sensor and the bypass is behind the coil so when we bypass the coil we...
  35. Dug into it a little bit more it was not the low...

    Dug into it a little bit more it was not the low temp detect (they are auto reset) but a float switch wired in the same di someone bent the bracket holding the switch. Found two others the same way...
  36. Thanks air1 that was the problem I'm not sure how...

    Thanks air1 that was the problem I'm not sure how I missed that one
  37. Siemens tec can not control fan, need help

    Have trouble with a Siemens tec hope someone can help. Using application 2281 one of our tec will no longer allow me to control the fan. When using global commander it just comes back as a fault,...
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    I know it is there for my safety but I think it...

    I know it is there for my safety but I think it is a little extreme it is not my choice it is the law, actualy i dont have to follow osha rules pa state employee we follow a differ t set of rules....
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    Arc flash training

    Sat through a shorten arc flash training class today, have any of you recieved this training. I never realized I was breaking so many OSHA laws. Can not even work on any equipment without suiting...
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    Combustion analyzer recomendations

    Try to pick out a new combustion analyzer for use by our service tech here at a school. It will only get used a couple of times a year. I do not want to be replacing o2 sensors every time we use it....
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    I guess I should have been more clear I want to...

    I guess I should have been more clear I want to enter the system via analog phone modem, all the apps I have looked at are through the Internet by IP address I do not think there is any way to go...
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    Is this a new problem? Or since it was new? We...

    Is this a new problem? Or since it was new? We had a similar problem but with a MEC there was a dead short feeding into one of the digital inputs maybe something is shorting out when it shuts down
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    Hyperterminel app?

    Does anyone know if there is a hyperterminel app. for an iPhone would love to be able to check up on our Siemens network if I am not near a computer.
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    Thanks air1 not what I wanted to hear, but I had...

    Thanks air1 not what I wanted to hear, but I had thought of doing that as a quick fix. However it looks like my only fix. that's what I'll do.
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    BASguy99, I think you are thinking of the CTL...

    BASguy99, I think you are thinking of the CTL STPT not the CTL TEMP. but not sure we do not us the 2558 app. anywhere.
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    Although i fully agree with jmac00 "attention to...

    Although i fully agree with jmac00 "attention to detail" just remember that there are wearable items in the compressor and could result in particals flowing through your system. Ever drain the oil...
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    Siemens tec room temp calibration

    I trying to calibrat a siemens tec app. 2281 I can change the slope and intercept for the room temp but the "ctl temp" does change its value. the tec manual says "The valve of CTL TEMP (Point 78) is...
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    Residential version

    I seen the same deal with a residential unit. Someone put a self contained trailer unit on a house via flex ran through a basement window. At least the put a damper to shut of any air flowing...
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    over charge

    I know a guy who recovered 32lb of R22 from one sanyo circuit? He went out to put a TXV in that another tech diagnosed(it did not need the txv)
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    Only one thing to say Quality! lol

    Only one thing to say Quality! lol
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