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  1. Replies
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    I forgot to mention that we do not have a BACnet...

    I forgot to mention that we do not have a BACnet system.
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    226

    Siemens change an RS-485 to Ethernet

    I've been attempting, with no luck, to update/upgrade a field panel from being on the RS-485 BLN to an Ethernet. I'll try to keep this understandable...

    We have a PXC100-PE.A that is on an RS-485...
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    328

    That's what I thought. It's not connecting...

    That's what I thought.

    It's not connecting through hyperterminal, though... I'm guessing at this point that the cable we're using is not set up correctly. We updated to a bit newer of a laptop....
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    328

    Siemens PXC24 Startup

    Long story short... I've been to siemens training, but it's been a while. Not having used the training in the field, I'm not recalling enough.

    We're trying to startup and address/name a PXC...
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    375

    Our supplier can't even find that TEC in their...

    Our supplier can't even find that TEC in their available pricing.

    Have you used the 550-538 or the 540-863J?

    The 550-538 is a heat pump TEC with extra DI and AI terminals, but I can't find the...
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    375

    Siemens TEC questions

    Does anybody have experience using a 540-1028 TEC? If so, what applications can run on it? Can I run a 2070 heat pump application? How about a 2273?

    Our hospital uses geothermal heat pumps for...
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    417

    Thanks. I feel like such a novice around here...

    Thanks. I feel like such a novice around here...
  8. Replies
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    417

    Siemens and VFD brands

    Can I put any brand of VFD in on our siemens apogee/insight system? We have typically used ABB, but we'll be trying an Allen-Bradley. It doesn't necessarily need any connection to the DDC system, but...
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    Thanks all for your help. I'll be checking with...

    Thanks all for your help. I'll be checking with our Siemens rep about things. I'm also looking in to the HRW option. It does look like it runs on P1, so it may fit what I'm looking for.
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    648

    Is it not possible to write the P1 code from a...

    Is it not possible to write the P1 code from a Siemens TEC into a Scadapak?
    Thanks for the help so far.
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    Scadapak TEC on a Siemens system

    The buildings we monitor/control here at our Medical Center campus are all controlled by a Siemens APOGEE/Insight system.

    We have close to 200 geothermal heat pumps that condition their own...
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    Wow, is right, GT1980... I have no clue what you...

    Wow, is right, GT1980... I have no clue what you mean. Maybe elaborate (be more clear) on what it is you're trying to state there.
  13. Replies
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    Thanks for setting me straight... What we deal...

    Thanks for setting me straight... What we deal with is geothermal heat pumps. Sorry for any confusion.
  14. Replies
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    Very well stated. Thanks!

    Very well stated. Thanks!
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    Wow, those are like the failure rates we've seen...

    Wow, those are like the failure rates we've seen with our Florida Heat Pump brand. I work at the local hospital, and we have over 200 geothermal heat pumps throughout our campus. I haven't seen that...
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    Right, 32 max. I understood that the intercept is...

    Right, 32 max. I understood that the intercept is more correct. Will the other work? If so, will it cause the system to slow down more than the intercept method would do?

    The longer story is that...
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    I have lots of experience with fixing and working...

    I have lots of experience with fixing and working on, and fixing again, and working on again....the florida heat pump brand. I work for our local hospital, and we've switched to the climatemaster...
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    5,506

    I don't think there's any problem with a closed...

    I don't think there's any problem with a closed loop system placed in a body of water.

    To the OP, I would reccomend that you go ahead with floating the loop and fixing the leak. I know of one...
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    This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise, commentary, or ask questions of the OP here.

    You can find the rules for posting and...
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    Siemens FLN connection question

    Sorry if this seems like a dumb question... but if I'm adding devices to an FLN, do I need to intercept the FLN wire, or can I splice right into it? Please refer to the attached pics/diagrams.

    Or...
  21. Thread: Hospital IAQ

    by ClarkBP
    Replies
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    892

    Hospital IAQ

    Recently, I've been trying to research the best option for our IAQ in our hospital and care facilities. I'm more wondering about UV lights and their effectiveness for health care facilities.

    I've...
  22. Replies
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    New to this Forum.

    Hey all,

    I'm an HVAC Maintenance employee for the local hospital in Roosevelt, Utah.

    I've been designing, installing, selling, maintaining, troubleshooting, etc HVAC systems since about 1995....
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