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  1. Agreed. I would like to add a thank you to...

    Agreed.

    I would like to add a thank you to home20 and all participants in this thread for a nice educational opportunity for this commercial guy, who has next to no gas furnace experience. A great...
  2. Rob, did ya'll do that conversion? It's very nice.

    Rob, did ya'll do that conversion? It's very nice.
  3. Well, I used to work for Trane. Did some...

    Well, I used to work for Trane. Did some refrigerant conversions, but never a Tri Star conversion. Heck, I've never even seen one. Rob's picture is the first time I've ever even seen a picture of...
  4. I should be embarrassed at this, but wth. I...

    I should be embarrassed at this, but wth. I figure others could use a laugh.

    When I first read "waste oil heater" I thought "who would want to heat their waste oil?" At least I figured it out...
  5. I think that not all such heaters are meant to be...

    I think that not all such heaters are meant to be unvented. Some have to be vented. If you go this route, make sure the heater you purchase is clearly marked "vent free".

    Dad has used his heater...
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    Look out. Sounds like plans to borrow your...

    Look out. Sounds like plans to borrow your business. And anything else he thinks he can get away with.
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    Thanks. Don't know what we're doing wrong... I...

    Thanks. Don't know what we're doing wrong...

    I solved the problem by getting another hand truck, with solid tires.
    My buddy solved it by replacing the pneumatic tires with solid tires he got from...
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    It happened to me, once. I made sure it never...

    It happened to me, once. I made sure it never happened again...
  9. My Dad has something similar to what...

    My Dad has something similar to what Energy_rater_La has. The house is all electric (out in the country), and he wanted back-up, too. He installed it himself (simply mounted it on the wall), then...
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    Rider77, have you had a hand truck with pneumatic...

    Rider77, have you had a hand truck with pneumatic tires before? A co-worker and I used to have one each and we were always finding flat tires, especially in the winter time. In south Alabama! I know...
  11. A compressor conversion, isn't it Rob? I believe...

    A compressor conversion, isn't it Rob? I believe Trane called it "Tri-Star", or something like that. Most likely done in the 1990's - early 2000's.
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    This type information can be found on the...

    This type information can be found on the buildings architecture's prints. Look for something called "Air Handling Units Schedule", probably found in the mechanical section, where the pages will be...
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    Try frying them in olive oil. You just might...

    Try frying them in olive oil. You just might never go back!
  14. Replies
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    Has the heat pump worked in the past, using city...

    Has the heat pump worked in the past, using city water like this?
    What is the temperature of city water in winter?
  15. Replies
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    Our local Trane office has made a few hires since...

    Our local Trane office has made a few hires since the on-line application process was put in place, but I believe all but one of those hires were of guys that were well known to the manager and the...
  16. Thanks, Vstech. Learning opportunities like this...

    Thanks, Vstech. Learning opportunities like this are why I read the residential forums.
  17. I have a question for the gas furnace guys: Is...

    I have a question for the gas furnace guys: Is CO2 a byproduct of combustion? If no, is it correct to presume that the presence, or increase in CO2 when the furnace runs is simply due to the...
  18. Thanks, Home20. In commercial applications...

    Thanks, Home20.

    In commercial applications CO2 is monitored to ensure that sufficient fresh air (from outdoors) is introduced into the building. High CO2 levels are an indication that the air is...
  19. Is this discussion about CO (carbon monoxide), or...

    Is this discussion about CO (carbon monoxide), or CO2 (carbon dioxide)?

    Or is it that I'm just confused, being as how I'm a commercial guy and know next to nothing about gas furnaces?
  20. Sean, I'm not the OP, but according to the IOM...

    Sean, I'm not the OP, but according to the IOM VPEE is fan-powered parallel.
  21. I just happened to find a similar problem with...

    I just happened to find a similar problem with one of my VAV Areas this morning. Several zones were 2-4 degrees F cool, and they were all served by the same air handler. All the zones on that AHU...
  22. It wasn't until the late 90's, or so, that I...

    It wasn't until the late 90's, or so, that I began seeing new installs separating chillers and boilers. I presume there was a code change at that time. Anything before that seems to be grandfathered...
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    I agree with what Bazooka Joey says. Heck, I'd...

    I agree with what Bazooka Joey says. Heck, I'd offer to buy you lunch for a chance to see that!
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    Wow. I'm thinking that's an auto-transformer...

    Wow. I'm thinking that's an auto-transformer starter, but it certainly doesn't look like any I've seen. Some of that wiring is confusing my poor ol' brain.

    Has demo of the starter already begun...
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    Awesome! I've seen some old ones, but that may be...

    Awesome! I've seen some old ones, but that may be older than all of them. I've never seen a square suction on the evaporator like that.

    Totaleclipse, if it's not too late, how about full on pics...
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    Funny, but would be even funnier if it wasn't...

    Funny, but would be even funnier if it wasn't true. Still, a couple of good laughs.

    Especially since I thought it was serious post. I came here through New Posts, didn't realize it was in Jokes...
  27. After clicking on the "Tank Utility" link, click...

    After clicking on the "Tank Utility" link, click on "Support us on Kickstarter". There is more tech info there. The sensor is attached to the tank's existing gauge.

    I have nothing against this...
  28. From another older chiller tech: I advise you to...

    From another older chiller tech: I advise you to stay in controls.
  29. Good luck, Kefah. Take care.

    Good luck, Kefah. Take care.
  30. Replies
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    I see. I must have missed that the first time, I...

    I see. I must have missed that the first time, I see it now.

    Some OEMs do what you're thinking, or planning, on larger air-cooled chillers. Minus the soft starters on the other fan motors. With...
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    Just trolling here (always looking to learn...),...

    Just trolling here (always looking to learn...), but should there be a concern with adding additional load to an already "running" VFD?

    I'm thinking of a similar application on a chiller, either...
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    And it can be a serious slip hazard when walking...

    And it can be a serious slip hazard when walking thru it. Both from slime growing in it, and freezing.
  33. Replies
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    Not just talking replacing tubes. How about...

    Not just talking replacing tubes. How about annual inspection/cleaning of tubes?

    Perhaps you inferred that was the cost for one time. If so, you inferred wrong. That chiller should last at least...
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    Talking about wills, please don't name a family...

    Talking about wills, please don't name a family member as executor. When my mother-in-law died about seven years ago, she had named my wife as executor. Some family relationships are just beginning...
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    I think this might get more responses in a...

    I think this might get more responses in a controls forum.
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    Was told by Dad, in another thread on this...

    Was told by Dad, in another thread on this subject, that the site had no influence on Google's description. Dad seemed to be relaying info, I got the impression he was not "part of the process"...
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    Google describes this site as being for...

    Google describes this site as being for "do-it-yourself enthusiasts". This site has no influence on that. As long as Google insists on making up sh!t, things will not change. Yay freakin' Google....
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    Mcewans, if you'd like some good reading on this...

    Mcewans, if you'd like some good reading on this subject, a search of this site should turn up quite a few threads. You'll find that Jay is very knowledgeable on this, and is very good at explaining...
  39. First, I'm a commercial guy, and can't answer...

    First, I'm a commercial guy, and can't answer your question concerning Home Depot.

    Second, equipment similar to yours is sometimes used in light commercial applications, such as school classrooms....
  40. Replies
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    Most, if not all, of the major players in the...

    Most, if not all, of the major players in the industry are expanded (or expanding) to cover all aspects. Some are in the process, and may be further along in some areas. That's based on what I've...
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    I shudder to think what those steps are for....

    I shudder to think what those steps are for. Makes me wonder if seats are going to be installed.

    Seeing some bathrooms in oversea ports, while in the Navy, gave me a genuine appreciation for our...
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    A few years ago I left a job that became too...

    A few years ago I left a job that became too stressful. I would have dreams about work, too.
    Sometimes thought I should submit overtime for dreams about work! (jk) I say this so you'll know that I...
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    What's the story of the red tab on the beer can?...

    What's the story of the red tab on the beer can?






    Hey, a man's got to have his priorities straight...
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    Welcome, FNG (:grin2:). Thank you for your...

    Welcome, FNG (:grin2:). Thank you for your service. Where in Alabama are you? I'm in the Montgomery area. My career has been in commercial, but some of the guys I know around here may have some...
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    If those are water source heat pumps, and they...

    If those are water source heat pumps, and they are the only things the cooling tower is supplying, there are two things to keep in mind:

    1) That main loop is a source for both heating and cooling;...
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    Desired cooling tower setpoint is a compromise:...

    Desired cooling tower setpoint is a compromise: between as low as possible (for energy efficiency), but not so low as to cause problems with the chiller. Consult with the chiller manufacturer for the...
  47. A USB port for charging a phone. Another great...

    A USB port for charging a phone. Another great idea!

    I'm really liking the idea of a cordless heated jacket, adapted to a leather motorcycle jacket. As opposed to the current plug-in jackets. To...
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    This is the type situation where regularly...

    This is the type situation where regularly logging the equipment could show how the savings in lowering the sensible load compares to increasing the latent load.
    I would log the chillers just prior...
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    Or the saying that "you should never meet your...

    Or the saying that "you should never meet your heroes". :grin2:
  50. Saw where they come in non-hoodie styles, too....

    Saw where they come in non-hoodie styles, too.
    The video for one said "six hours of continuous use".
    Looks like a great idea.
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