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  1. Replies
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    This should be posted in the Controls forum... ...

    This should be posted in the Controls forum...

    I do not know of anyway to communicate MSTP without wires. What kind of controller are you using?
    I recently did a house that I could not run comm...
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    Honeywell M955C1014 Manual

    Does anyone have the install instruction for this actuator? I can not find it anywhere online nor through Honeywell as its obsolete.
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    Commercial HVAC Tech - Denver

    We offer excellent wages, commission opportunities, health insurance, laundered uniforms, company vehicle, paid vacation, educational training, bonuses, and paid holidays.

    We are a fast-growing,...
  4. Thread: Glycol Pump

    by HuNGRYTeCH
    Replies
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    1,608

    Yes it did cost money but it was well spent. I...

    Yes it did cost money but it was well spent. I did not have to deal with a single no heat call due to an air lock, it only took 3 hours, and I got it all done without any of the residents even...
  5. Thread: Glycol Pump

    by HuNGRYTeCH
    Replies
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    1,608

    It worked great. I stated off pumping 50% glycol...

    It worked great. I stated off pumping 50% glycol and did 55 gallons in 7 minutes. I did 2 barrels this way then I pumped 80% for the other 5 barrels and pumped them in at 12 minutes a barrel. The...
  6. Thread: Glycol Pump

    by HuNGRYTeCH
    Replies
    15
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    1,608

    D-Day is tomorrow. This is the pump I finally...

    D-Day is tomorrow.
    This is the pump I finally found and decided on:
    http://www.grainger.com/product/DAYTON-Pump-5NXZ7
    Its a multi-stage booster pump. It won't pump the viscosity of 100% glycol...
  7. Thread: Glycol Pump

    by HuNGRYTeCH
    Replies
    15
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    1,608

    It looks like the only option I really have is a...

    It looks like the only option I really have is a multi-stage pump, like a well pump, just not quite sure how it will react to pumping glycol, even if I do dilute it down to say 50%. Not quite sure I...
  8. Day and Night RTU - Can someone give me the voltage and amperage

    M# 585A048125YACR
    S# 1177C62282 (From an identical unit on the roof)

    If someone could let me know the voltage and amperage, or even send me the spec sheet that would be great. Save me a trip for...
  9. Thread: Glycol Pump

    by HuNGRYTeCH
    Replies
    15
    Views
    1,608

    Glycol Pump

    I have a building I am doing an active retro with the residents still occupying the building. I put in new chillers, boilers, hot water valves, chilled water valves, and zone valves throughout the...
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    ESC, made by desco. http://www.desco-soft.com/...

    ESC, made by desco. http://www.desco-soft.com/
    It tracks properties, equipment at the property by S#, service calls by S#, PMIs. I know you can get it on Android, not sure about IOS but you can find...
  11. Agreed, people are a heat load. It sounds like...

    Agreed, people are a heat load. It sounds like the VAV serving this zone can't keep up (or the thermostat is installed elsewhere) and the temperature slowly rises all day. I would propose to install...
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    The venting is a light outta plumb :gah:

    The venting is a light outta plumb :gah:
  13. Thread: Venting

    by HuNGRYTeCH
    Replies
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    He had to maintain his minimum 14.39" of vertical...

    He had to maintain his minimum 14.39" of vertical vent off the draft hood
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    2,869

    MichaelPaladin, If you feel the urge, I would...

    MichaelPaladin,
    If you feel the urge, I would love to see some pictures of the HX. I am curious as to what it looks like after that much heat no air flow. It has to be all cracked up and possible...
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    484

    I know noone likes Summit, but someone has to...

    I know noone likes Summit, but someone has to know this...
  16. Replies
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    484

    Trane FPB and Tracer Summit

    I have a Trane FPB that has a failed control board. When I replace this board do I have to address and configure the board in Rover or can I do everything in Summit?
  17. Thread: VFD's

    by HuNGRYTeCH
    Replies
    22
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    1,895

    Or have the sparky run the supply power up to the...

    Or have the sparky run the supply power up to the disconnect, down to the drive, and back up to the motor. They love that :gah:
  18. Thread: VFD's

    by HuNGRYTeCH
    Replies
    22
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    1,895

    Most common as stated is dirty fans and HX on the...

    Most common as stated is dirty fans and HX on the drives.
    Power issues cause a lot of faults but most drives I install I set to auto-reset on voltage spikes and drops.
    Incorrect programming, and...
  19. Thank you. Got it all figured out. Looks alot...

    Thank you. Got it all figured out. Looks alot better than the logic that I had in there to constantly write to this point.
  20. Essentially if I drop an interval into my point...

    Essentially if I drop an interval into my point and set the interval time to 1, 2, 5 seconds it is going to force this point to write on the interval?
  21. I looks like this is my issue, when AV44...

    I looks like this is my issue, when AV44 (configuration) or 4001 in Modbus, reverts to zero, if I override it it changes back to my command and then when it revert to 0 again, if I release the...
  22. Modbus to BACnet - Lochinvar with Protonode

    I currently have 2 Lochinvar Crests I am attempting to control. My project site is BACnet so I am using the Protonode Modbus to BACnet card. I am having issues with writing values to the boiler. It...
  23. Yes, this is a temporary fix to the Java issue. ...

    Yes, this is a temporary fix to the Java issue.
    I have found that pretty much anything works in the HX profiles just fine though I don't do anything to crazy with my graphics.
  24. Replies
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    Right on. Thanks. I was looking under the...

    Right on. Thanks. I was looking under the specific NRIO device and not the NRIO network. Appreciate it.
  25. Replies
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    NRIO Ping Failure

    I have a specific RIO-16 that sends out ping failure alarms, usually in the middle of the night. There appears to be nothing wrong with the com and everything works just fine. I want to extend the...
  26. Thread: Managing...

    by HuNGRYTeCH
    Replies
    12
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    658

    Thanks for the replies and advice. It seems like...

    Thanks for the replies and advice.
    It seems like everyone came to the same consensus, you can't be both. This is a tough spot to be in. I think I'm going to have to make an example and see how that...
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    Google Play Store

    Google Play Store
  28. Replies
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    We do a lot of charity work for Denver Rescue...

    We do a lot of charity work for Denver Rescue Mission and Volunteers of America. We charge them for equipment, usually our price and donate labor. Keep the insurance and still do good deeds.
  29. Thread: Managing...

    by HuNGRYTeCH
    Replies
    12
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    658

    Managing...

    So I am a little late to ask this question but I have a large project with a lot of wasted time that has been bothering me. Project is in the 9th month out of 12 months
    A little back ground. I am a...
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    350

    I have the pictures, I'm hoping for a graphics...

    I have the pictures, I'm hoping for a graphics that will look better and size up better in Niagara
  31. Replies
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    Niagara Graphic - Carrier 30MPW

    Does anyone have a graphic of this chiller that you can send me?
  32. Replies
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    I put "Override" and "Auto" buttons for all my...

    I put "Override" and "Auto" buttons for all my setpoints on the graphics. Everything works on my Droid. I have never tried on an Iphone so I am not sure if it works or not. I use the "Handheld HX...
  33. Replies
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    1,806

    I use my regular graphics with a user that has a...

    I use my regular graphics with a user that has a mobile profile. Everything but backgrounds works perfect on droid.
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    I'll send it later today when I get outta class.....

    I'll send it later today when I get outta class.. Email me so I remember.
    The LCD is a little cumbersome to program but not bad after the first one. Customers love them though.
  35. Replies
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    I believe a 35% glycol solution reduces the...

    I believe a 35% glycol solution reduces the capacity of a chiller by 3-5%. There are a lot of good ideas on this thread, I just thought I'd throw this out there. You have more than just a glycol...
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    1,921

    Thanks Sam, the wire I use is 120 ohms. I wasn't...

    Thanks Sam, the wire I use is 120 ohms. I wasn't sure if different equipment required different resistors. 120 sounds good to me though.
  37. Replies
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    Thanks for all the information guys. I definitely...

    Thanks for all the information guys. I definitely learned a lot.
    Last question. How do I size EOL resistors?
  38. Replies
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    1,921

    My most current system has components from...

    My most current system has components from several different manufacturers including ACI, Honeywell, Carrier, Grundfos, and Lochinvar.
  39. Replies
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    1,921

    BACnet Network Wiring

    I am curious about terminating resistors in a BACnet network. I have been told several conflicting ways to use terminating resistors and am hoping someone can clear up how, when, and what to use.
    ...
  40. Commercial Techs and Apprentices Needed in Denver

    Aspen Air and Mechanical Inc. is a commercial HVAC contractor. We specialize in service, repair, retrofit, and controls. We have experienced tremendous growth very quickly and need both experienced...
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    2,877

    Well since I opened this thread, maybe I can get...

    Well since I opened this thread, maybe I can get some diagnostic information from you guys.
    If I am trying to do basic electrical test, can I check my DC voltage between + and -, - and +, and + and...
  42. Replies
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    2,877

    Time to admit my stupidity :beat: Loss wire...

    Time to admit my stupidity :beat:

    Loss wire connection where I had to splice the cable, the wires didnt get twisted so one pulled out of the wire nut a little bit :oops:
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    2,877

    No errors, no messages in the App Director. It...

    No errors, no messages in the App Director. It successfully does a discover but the controllers don't even come up in the discovered window anymore.

    But if I try to do a points discover on these...
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    2,877

    BACnet Network Diagnostics

    I am currently commisioning a BACnet network. I have Carrier chillers, Honeywell SmartDrives, and a Grundfos booster pack. They all have BACnet cards. I was importing them into Niagara and got...
  45. Open Collector Output (PWM Output) - EasyIO 30P

    I am trying to stretch another output or two out of my EasyIO 30P.
    I want to drive a floating actuator (Honeywell MN6105A1011) using the Oc Output on the 30P. I have never used these outputs and...
  46. Carrier 3V with System Pilot Scheduling Question

    I have (1) RTU and (18) FPB's that are controlled by the 3V system. The only interface is the system pilot.
    My customer has solar panels and they pay for their power by peak usage, so when the...
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    Agreed. Sometimes you will have unhappy...

    Agreed.

    Sometimes you will have unhappy customers but you have to explain to them the danger of making such an alteration. As far as your manager goes, he should know better and should not...
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    We will also be looking for an apprentice in the...

    We will also be looking for an apprentice in the near future.
    We need the Technician first though.
  49. Replies
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    Need an experienced tech in Denver

    My company is looking for an experienced service technician in Denver, CO.
    I must state that I am not the hiring manager but will transfer serious inquiries to the proper manager.
    We are a mostly...
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    What is that pressure relief rated at.... 600psi?

    What is that pressure relief rated at.... 600psi?
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