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  1. Replies
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    No communication with a supervisory controller is...

    No communication with a supervisory controller is necessary. Im really trying to keep this as simple as possible. User interface would be nice. I have a couple of Click PLC projects I have completed...
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    I have seen a bypass damper from trane that looks...

    I have seen a bypass damper from trane that looks interesting and takes one less modulating motor.
    http://www.forwardthinking.honeywell.com/related_links/50-1822.pdf
    There other True Zone controls...
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    Looking for AHU Control Strategy

    We have an EMS station that is coming back online after the storm last year. They had steam heat from the hospital that has been cut and now three electric duct heaters have been installed in the...
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    Noted!

    Noted!
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    Helluva Issue!!

    Aleady posted this in pro... wanted to get a few more eye and brains on it.

    Just installed a 410a 10 ton Trane split. Model TTA120E300AA Serial 13064P4RYA in an EMS station with matching evap.. 2...
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    Interested in delta T across the condenser too....

    Interested in delta T across the condenser too. Think I heard something about no more than 15*
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    Will do when I get back to the shop... Thanks

    Will do when I get back to the shop... Thanks
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    Nice job... Wouldnt mind getting a look at the...

    Nice job... Wouldnt mind getting a look at the superheat chart as well!
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    Nice... as part of my new job ive been working on...

    Nice... as part of my new job ive been working on some ice machines here and there... Sure this section will be useful.
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    Ive worked on these a couple times before......

    Ive worked on these a couple times before... there should be enough water in the resivoir to do the job.... wonder where its goin??
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    Well... got a chance to work on a powerflame...

    Well... got a chance to work on a powerflame today... not the same one but very similar. Upon arrival had 400 ppm CO. Closed in on the breeching damper which was reading at .01 wc. Brought it up to...
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    Its a J50A-15. I believe its the 1400MBH model....

    Its a J50A-15. I believe its the 1400MBH model. Went through the manual and didnt see a recomended setting for the breeching damper.. Didnt see the recommended setting for the inlet dampers either...
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    There is a damper on the breaching.... Its in the...

    There is a damper on the breaching.... Its in the full open position. Thought the more draft the better... maybe im wrong... Not sure when ill get back there to test the theroy... but when I do......
  14. Thread: chimney liner

    by rickshog
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    Hearthman... very common sense.. good little...

    Hearthman... very common sense.. good little read.. My stack at home resembles dryer pipe... the spiral flexible metal stuff... not that familiar but is that the material you are talking about?
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    o2 sits around 6%... co2 is 13-14%. Cant tell you...

    o2 sits around 6%... co2 is 13-14%. Cant tell you draft but it does feel good... just cleaned the fireside of the boiler.Burner is a JA-50 if I remember correctly... dont have the info in front of me...
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    Powerflame issues

    Been working on a gas fired Powerflame burner connected to a Burnham 6 section hot water boiler. CO was sitting at 300-400 ppm. Has the two air dampers on the side. Set them acording to mfg. spec and...
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    Wow... nice to know some people out there have...

    Wow... nice to know some people out there have remembered everything they ever learned.... This may not be taken well either but geez... do you have to be so condesending? I belong to a Jeep forum...
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    This is just a small part of the total burner...

    This is just a small part of the total burner control system. As for the box with relays.... thats pretty simple stuff. The hardest parts was 1. locating the prints. 2. finding which wires I had to...
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    The building is industrial in nature. There are...

    The building is industrial in nature. There are also auxillary duct burners that are independently operated for heating the bigger spaces in the building.
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    Boiler Control

    First try at a little control work. Have three low pressure, 300bhp burnham gas fired water tube boilers. They were looking to have them fire on a drop in outdoor temp. Found the main run signal...
  21. Thread: Print Reading

    by rickshog
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    594

    thanks rojackman, I am trying to get a better...

    thanks rojackman,
    I am trying to get a better understanding of the systems that I work hands on everyday. They are old and I know at the very least I have flow switches that are jumped out. I really...
  22. Thread: Print Reading

    by rickshog
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    594

    Thanks for the quick reply. I have been working...

    Thanks for the quick reply. I have been working on building my knowledge base when it comes to a/c work but I think being a confident print reader will go a long ways in helping my understand a lot...
  23. Thread: Print Reading

    by rickshog
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    4
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    594

    Print Reading

    Hey everyone... been reading a while but I figured id jump in here and post. Ive been working a 50 ton recipricating chiller at my job and the prints for it can be a bit overwhelming because I really...
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