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Type: Posts; User: CHAINIK

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  1. Mostly correct, but allow me to step in the way...

    Mostly correct, but allow me to step in the way here. The amount of desiccant is in cubic inches. 16, 30, etc.

    The line size is indicated in eighths of an inch, I.E. 7 for 7/8, 8 would be for 1",...
  2. If you have Y1 and Y2 calling, then no, it won't...

    If you have Y1 and Y2 calling, then no, it won't dehumidify.

    http://i.imgur.com/Ofs62n2.png

    There are certain conditions that must be met, depending on what the settings for reheat are.
    You...
  3. An app would be cool indeed. This probably...

    An app would be cool indeed. This probably doesn't answer your question in anyway, but if I'm running late, I call them myself. It's not that hard, and I don't understand why technicians won't do it....
  4. Some of those Carriers with the stupid design,...

    Some of those Carriers with the stupid design, (triangle shaped filter panel, 45 degree condenser fans,etc.) have TXVs. Not sure which model number, but I take care of a grand total of 1, so maybe...
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    Regarding the r22 flush procedure from earlier......

    Regarding the r22 flush procedure from earlier...

    Forgive me if this is a dumb question, buts it's one I've thought about on and off many times. Is there some way of using the recovery machine to...
  6. Thread: Duhhh!

    by CHAINIK
    Replies
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    1,556

    I know of a couple of 20 ton Trane units at my...

    I know of a couple of 20 ton Trane units at my old job. They got new Danfoss replacement compressors. Brazed in, systems run fine, they've been that way for a couple of years now. But the connection...
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    I might not have done any better a job myself,...

    I might not have done any better a job myself, but at least I would have removed all the excess solder beads.
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    R11 is made from Carbon Tetrachloride, which is...

    R11 is made from Carbon Tetrachloride, which is probably what you're thinking of, it was a very commonly used solvent.
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    http://www.us-ac.com/msds/Nu-Calgon%20MSDS/4300-11...

    http://www.us-ac.com/msds/Nu-Calgon%20MSDS/4300-11--RX11-FLUSH.pdf
  10. I've used as much as 700ft of water hose before....

    I've used as much as 700ft of water hose before. That's all good when you can actually find a functioning hose bib.

    Once, we walked down the block to ask the manger of a 7-11 if we could use...
  11. Thread: Warranty call?

    by CHAINIK
    Replies
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    2,602

    What fried the low voltage wire on the contactor?

    What fried the low voltage wire on the contactor?
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    Sounds like the check valve needs to be replaced....

    Sounds like the check valve needs to be replaced. Screen is probably plugged.
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    783

    The way that controller works is, when it powers...

    The way that controller works is, when it powers up, it checks what sensors are hooked up and configures itself accordingly. It does a calibration procedure with the actuator, then it's ready. If...
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    I'd guess the reason for the suction joint to...

    I'd guess the reason for the suction joint to begin with was removing the coil for cleaning. Not beautiful, but functional.
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    634

    I use a milk crate in the truck. It's strapped to...

    I use a milk crate in the truck. It's strapped to the van bulkhead, and it's the perfect size to hold 2 nitrogens (1 with the regulator on it), 1 oxygen, and 1 acetylene (back-ups for the torch set)...
  16. It has an M2 board. A 2010 unit predates the M3...

    It has an M2 board. A 2010 unit predates the M3 by several years.

    Lennox is funny like that. Because the models numbers have been in use for so long, when you search for info with just the model...
  17. The place to start would be to see if the...

    The place to start would be to see if the economizer is actually free cooling. If it is and it shouldn't be vs. it's not and the Simplicity board just says it is.

    What type of economizer? W7212,...
  18. It should be, the unit number that was given has...

    It should be, the unit number that was given has an ECM blower, I don't know why it wouldn't.

    Example; LGH060H4ES1G, This is a model that I care for about 50 of, across various sites. All the...
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    As everybody else has said, bottom of condenser....

    As everybody else has said, bottom of condenser. But those usually have very obvious oil marks. If it has a reheat coil, look around there. I've found a few that were leaking up around the top of the...
  20. That's an Energence unit. It should have a scroll...

    That's an Energence unit. It should have a scroll w/ an unloader.
  21. Thread: Tech support

    by CHAINIK
    Replies
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    1,190

    With an app? Depends on what I'm communicating....

    With an app? Depends on what I'm communicating. Trying to ask questions through a messenger-like service would probably be worse than useless. When it's hot, and I'm tired, I'm lucky if I can form...
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    What kind of application is this that would have...

    What kind of application is this that would have a 65 degree return temp after 10 minutes of run time?
  23. Thread: Tech support

    by CHAINIK
    Replies
    26
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    1,190

    Two things. 1. Wait time. It's funny when I...

    Two things.

    1. Wait time. It's funny when I call Trane, usually the only thing I ever hear is a spiel about how my call is important. It's pretty rare to get to talk to a person.

    2. When they...
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    http://sound.westhost.com/articles/buckx-f5.gif ...

    http://sound.westhost.com/articles/buckx-f5.gif

    Some arrangement similar to this?
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    Ask the Lennox rep to see if there's any known...

    Ask the Lennox rep to see if there's any known issues. They may suggest you put a crankcase heater in, or something like that. Some earlier ZGAs had problems like that.
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    Judging from the paint color, I'll guess that's a...

    Judging from the paint color, I'll guess that's a national chain store that [TMI]

    They probably did what they had to do to get it working, submitted a quote to fix it properly, and somewhere at...
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    Was that circular design more common in the past?...

    Was that circular design more common in the past? The first time I ever read about heat pumps it was late 80's, I think in Popular Science. The explanatory diagram for the refrigerant circuit was...
  28. I think the question was, are you saying that a...

    I think the question was, are you saying that a Ni-Cd battery charges "backwards" compared to a Ni-Cad? Still not clear on your line of thought there.

    If you have the appropriate charger, I don't...
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    Well, probably not going to help you much, but I...

    Well, probably not going to help you much, but I can offer my observation, that, from personal experience, rolling them on (on a Trane) instead of loosening the idler, is a great way to ensure that...
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    Since you didn't say what kind of unit it is, I'm...

    Since you didn't say what kind of unit it is, I'm guessing Trane, based on the module. Is the module showing any blinky fault codes? Does the RTU have anything wired to the CO2 inputs?

    Based on...
  31. http://www.hartandcooley.com/products/rhf45t/alumi...

    http://www.hartandcooley.com/products/rhf45t/aluminum-fixed-bar-return-air-filter-grille-45-degree-deflection

    There's this style, easier to clean than eggcrate. And to my eyes, better looking, too.
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    Or use this bolt idea on each corner to put them...

    Or use this bolt idea on each corner to put them there yourself. Only have to do each corner one time, then problem solved.
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    What is that huge (10 watt?) resistor doing there...

    What is that huge (10 watt?) resistor doing there on the heat strips? Anyone? I've never worked on a residential unit that old.
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    http://i.imgur.com/Z6YSWjx.jpg I guess I'd...

    http://i.imgur.com/Z6YSWjx.jpg

    I guess I'd better call on Monday.
    I dug back through what I had and found the device they spec'd. They spec'd a DH100. This pic is from the DH100 manual,...
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    I don't know if this is the place to get into...

    I don't know if this is the place to get into this, but is this a common thing? I usually just wire things the way they go, and that's it. I don't usually have to follow a set of plans. Is it bad if...
  36. Replies
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    Duct smoke detector wiring.

    http://i.imgur.com/xcGCQTD.jpg

    So here is the way the plans want it wired. I've wired plenty of duct detectors, with and without a fire panel connection. What is this resistor doing in here? At...
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    Oh, I'm all about personal responsibility. He...

    Oh, I'm all about personal responsibility. He said "fine"

    Maybe it's just me, but if I run over my own foot with my lawnmower, modified by me, I don't think "ooh, insurance payoff"
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    wow. really? I had mine that way for a long time....

    wow. really? I had mine that way for a long time. I knew it was not particularly safe, but being a new home owner, the zip tie was way more affordable than a new cable.

    I never would have...
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    Since he said "password" I'm gonna guess it's...

    Since he said "password" I'm gonna guess it's this one, actually.

    https://customer.honeywell.com/resources/Techlit/TechLitDocuments/33-00000s/33-00065.pdf

    Did he change the factory password?...
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    What is that coil? It kinda looks like a Carrier...

    What is that coil? It kinda looks like a Carrier coil, but it kinda doesn't.
  41. Replies
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    AAON

    AAON
  42. Replies
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    Ahh. I talked to the business manager today and...

    Ahh. I talked to the business manager today and got all the necessary paperwork. I've got lots of research homework to do for the weekend, it seems.
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    A little information, please? For all I know, I...

    A little information, please? For all I know, I could be authorizing you to empty my checking account.
  44. Replies
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    Thanks, I appreciate the advice. I guess I should...

    Thanks, I appreciate the advice. I guess I should go back to the hall and ask them all the questions.

    But to be clear, I didn't want anyone to think this thread was "how do I get into the union?"...
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    When I talked to the local that time, they had me...

    When I talked to the local that time, they had me take a bunch of tests. They said I could start as a journeyman. Once again, I don't know anything about the union. If all journeymen get paid the...
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    I think you kinda defeat the purpose of a drain...

    I think you kinda defeat the purpose of a drain trap on a negative pressure cabinet if the fitting right next to it is pulling crawlspace air into the cabinet anyway. I mean, I get that the cabinet...
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    Commercial. How do I go to the next level?

    This quote here got me to thinking about my current situation. I've had a few days to think about this, and it seems timely that it popped up right as I was looking into some other employment...
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    Not by more than a single stage unit. Y2 in this...

    Not by more than a single stage unit. Y2 in this case is full capacity, same as an equivalently sized single stage unit. Y1 is the partially unloaded state, and a reduced fan speed to match. So, Y2,...
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    Economizer?

    Economizer?
  50. Replies
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    Don't know about your equipment particulars,...

    Don't know about your equipment particulars, since you are dealing with a split sytem, but the problems I've had with a couple of Trane RTUs like this did end up being the check valve. Not the check...
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