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Type: Posts; User: Shockwave

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  1. Replies
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    I have a few EasyIO Bacnet 30p's i was going to...

    I have a few EasyIO Bacnet 30p's i was going to use/learn on another project but never got around to using them. I somehow got it working on my workbench laptop but for the life of me could not get...
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    2,041

    Curious about your comment...I get the hint they...

    Curious about your comment...I get the hint they are not well liked around here? They are my preference actually.
  3. Which USB to DB9 Null Modem converter to buy?

    I am finding a ton of converters out there, but have been reading around that most of them do not work. My 10yr old laptop just died and the other two newer ones i use do not have the DB9 connector...
  4. Yes a two wire wattage i figured out, max...

    Yes a two wire

    wattage i figured out, max volts squared divided by resistor value = watts
  5. Using resistor to convert to 4-20ma to 1-5v

    When placing a resistor in the 4-20ma to convert it to voltage is it placed in series or parallel?

    When placing it in parallel i get no voltage at the inputs. I run the 4-20ma signal into the...
  6. Bacnet enabled packaged heat pump experiences?...Mcquay or other..

    For anyone here who is using the bacnet modules in there packaged heat pumps. Are you able to control the fan, valve or compressor on demand? We recently installed a new bacnet trunkline throughout...
  7. Thanks, ill give that a try. I did not even...

    Thanks, ill give that a try. I did not even bother to email them since i only saw that one on the website.
  8. Infrared sensor that can be intergrated with field controllers?

    I am looking for a infrared(or any other technology) that can I can read the surface temp of something say 30-50' away. I cannot use any wireless type of devices and no wires in between the...
  9. Mechanical air flow switch or current transducer for fan proof?

    For the last 30yrs or so here at our faciility they have used differential air flow switches to prove air flow/fan running. As i am going through and replacing the old equipment,sensors and controls...
  10. Anyone know of a portable gas heater with built in controller(bacnet?)

    We have an area here at work that has been using propane space heaters(250k btu's x 2) that are used during snowstorms or during extreme cold. The problem is here this is at a remote facility and...
  11. yeah man :D I found the problem..the damn...

    yeah man :D

    I found the problem..the damn thing was reading in HPA units, in "WC :whistle:

    restarting all test now :angel:
  12. The meter has a pressure port built into it, i am...

    The meter has a pressure port built into it, i am using the one off the meter.
  13. Thanks, numbers were very stable. I meant to...

    Thanks, numbers were very stable.

    I meant to bring an additional thermo couple home today when i left early but forgot,there are a couple slots on the meter for two temp readings on. And yes it...
  14. How close to the efficiency rating is close enough?

    I do mainly all commercial work in HVAC and have never really done any residential except for my own and friends of mine. Anyway..We got a fancy new combustion analyzer in at work that we are going...
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    Munters dehumidifier icing up..

    We had a munters dehumidifier installed a couple years ago and it has been a nightmare from the get go. I was really only just starting to really get into the trade full time at that point and we...
  16. Anyone use a DSO Nano V2 for testing networks?

    Got one in and I am confused with all the settings as i have never used one of these before(or any oscilloscopes)

    Any help with settings and general ideas on using it would be appreciated!
    ...
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    Actuator Torque Ratings...

    Hi

    I was using some of the online calculators from honeywell and JCI for actuator sizing and they in a range of around 15-25lbs or torque needed for the damper size, FPM and ductwork size.

    I...
  18. Sorry I meant each Jace would have around 150...

    Sorry I meant each Jace would have around 150 spyder controllers
  19. Jace 700...How many Spyder Controllers is it able to handle?

    I am trying to figure out how many Spyder controllers on a Jace 700 i could fit. I am going through my Spyder training manuals and it only states as high as a Jace 600 with a limit of 100 devices per...
  20. thanks for the suggestions... Any explanation...

    thanks for the suggestions...

    Any explanation of the original numbers in my first post would help also. It seems like it says you can pulse or use 4-20?

    100% = 350gpm , so i imagine i would...
  21. How to bring a pulse meter into a Spyder controller?

    I am trying to bring a pulse meter (gpm) into a Spyder controller/Tridium. I have never had to bring one in before so any help appreciated, although i have done pretty much everything else with the...
  22. Anyone have a good guide on converting cap tube to a TXV?

    We have a few walk in freezers here, among many other coolers from the early 80s that are all cap tube. They would like us to start replacing the condensing units on these as a pro active type of of...
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    Thanks, i must have spaced it. I have used add in...

    Thanks, i must have spaced it. I have used add in relays in the past on other jobs to he same thing i was asking.:whistle:i Must have been the lack of sleep for 36hra because of plowing!
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    Yep, the difference is a little greater from when...

    Yep, the difference is a little greater from when i check the DO/C. Usually i am seeing 19 or 20v when open and 24-26v when closed though. Good info though.

    The main reason i asked was that a...
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    ac/triacs , spyder controller Thanks for thr...

    ac/triacs , spyder controller

    Thanks for thr reply
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