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  1. Replies
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    It was barely visible on the mfgr's tag, but the...

    It was barely visible on the mfgr's tag, but the date-of-manufacture was "5-87"
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    I've never seen an insulated liquid line either. ...

    I've never seen an insulated liquid line either. I've never seen a line-dryer inside either -- does it make much difference where it goes, as long as it's present? The old unit was a 2.5 ton as...
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    Carrier 2.5 ton change out - How's it look?

    Carrier 2.5 ton change-out. My mother's 1987 "oil-drum" Carrier finially stopped working. Sorry for the links -- the "manage attachments" button won't upload anything for some reason. I welcome...
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    Testing 123...

    Testing 123
    http://drive.google.com/file/d/0B6dZ5_Y6NgVyMS1zWW5ZVlNZZmc
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    Test imbedding again......

    Test imbedding again...
    https://drive.google.com/file/d/0B6dZ5_Y6NgVyMS1zWW5ZVlNZZmc
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    https://drive.google.com/file/d/0B6dZ5_Y6NgVy...

    <img>https://drive.google.com/file/d/0B6dZ5_Y6NgVyMS1zWW5ZVlNZZmc</img>
    test imbedding
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    Testing the imbeedding of pictures...

    https://drive.google.com/file/d/0B6dZ5_Y6NgVyQnEzeHZERDhpVkk

    https://drive.google.com/file/d/0B6dZ5_Y6NgVyMS1zWW5ZVlNZZmc

    Enjoy....
  8. Replies
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    Greetings; I've read that the reason why DIY is...

    Greetings; I've read that the reason why DIY is frowned upon, is mainly to avoid liability. This totally makes sense. For anyone who's willing to offer a few words of advice, how do we take a...
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    Thanks for the info -- If this doesn't work, I...

    Thanks for the info -- If this doesn't work, I promise to bring an HVAC person in to work on this --- I'd have no choice...

    -A
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    According to the documentation that was left...

    According to the documentation that was left behind with the AH, I removed the jumper between R and BK, then installed the Humid. controller there. I also jumped R and O. This is not correct? ...
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    OP here: Welp, I connected the Humidity...

    OP here: Welp, I connected the Humidity Controller according to the documentation, but it doesn't alter the behaviour of the AH at all. It doesn't spin down to low-fan while the tstat is calling...
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    OP here: I see. My tech documentation on the...

    OP here: I see. My tech documentation on the AH, says that "Humidistat will be installed between terminals R and BK - Also note that terminals R and O must be shorted for proper blower operation"....
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    OP here: Thanks -- so the only thing a...

    OP here: Thanks -- so the only thing a dehumidistat will do, is to force low-fan-speed when there's already an existing call for cooling? Will it turn on the compressor along with low-fan-speed...
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    How does dehumidification work with my AH?

    Greetings;

    With the technical docs that were left behind from my installer, I see that a humidistat can be installed to work with my system. It's not a seperate unit, but some function of the AH...
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    1,436

    The one transformer in the A/C AH has a 3A fuse...

    The one transformer in the A/C AH has a 3A fuse on the 24v side, and the transformer for the heat (installed in 1963) has no fuse on the 24v side, except for the 15A breaker on the Primary (120VAC)...
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    FIXED! (I can't figure out why though, since it...

    FIXED! (I can't figure out why though, since it worked perfectly for 4 years then stopped..) I re-wired the two zone-valves, transformer, and tstats according to a diagram I found on Taco's...
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    OK - zone valve is rated for 24v and .9A. I...

    OK - zone valve is rated for 24v and .9A. I compared upstairs zone-valve, which works perfectly.

    Upstairs:
    25.1v coming from transformer
    dips to 21v when valve is opening, and is pulls .91A

    ...
  18. Replies
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    'Fried' was my word I guess... What I've...

    'Fried' was my word I guess... What I've diagnosed, is that when the Tstat closes its relay, which should send 24v to the zone-valve; there's no voltage. If I bridge R and W on the Tstat, voltage...
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    Question: The "R" and "Rc" terminals on a Tstat...

    Question: The "R" and "Rc" terminals on a Tstat are where the 'hot' line from the transformer connects. Rc is power-for-cooling. Does this mean "R" is the power for heat? Is this how a Tstat...
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    the Tstat for downstairs is the one that died. ...

    the Tstat for downstairs is the one that died. The upstairs Tstat is a Honeywell item from ~2002 (programable), but it doesn't go 'click' when a call for heat is made. This older Tstat is working...
  21. Replies
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    Fuse is still intact - I still see 28VAC at the...

    Fuse is still intact - I still see 28VAC at the Tstat. I could swap the two zone valves to see if the problem follows the valve - but that's an expensive fix; because it fries an $80 Tstat.

    For...
  22. Replies
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    There's a 5A automotive-type fuse that powers the...

    There's a 5A automotive-type fuse that powers the transformer. I think I left something out -- when the Tstat calls for heat, and closes the ckt for heating, the current routes thru one of those...
  23. Replies
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    Burning up a Tstat??

    Can I get a professional opinion? I've been running just fine for 4 years with a Honeywell CT3500 Tstat. Just before Christmas my furnace stopped coming on. I traced this to the fact that the...
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    The old boiler (from pics of the nameplate) ...

    The old boiler (from pics of the nameplate)

    Federal Boiler model GFS-17. AGA input 175K AGA output 140K net output 123K The house was built in late '64, into '65. Boiler was working fine --...
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    Question: That smaller horizontally-mounted...

    Question: That smaller horizontally-mounted expansion tank has wording on it, that says it's for domestic hot water expansion. BUT: The tank is definitly on the cold-water input to the tank. Do...
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    Late-breaking news -- one of the union...

    Late-breaking news -- one of the union connections right in front of where they cemented over the flue opening started leaking, and put a puddle on the floor, that was about 10feet in diameter. The...
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    mech_head said: C'mon, tell the truth, you knew...

    mech_head said: C'mon, tell the truth, you knew going in you were going to post this here didn't you?
    _______________________________

    Oh yea, had the camera ready on this one..

    The PVC...
  28. Replies
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    1965 Federal Boiler Replacement (Weil McLain)

    Had to have the old 1965 Federal Boiler replaced.. (Baseboard & Domestic hot water) The only requirement was that it be direct-vented - we recently found out, from a recent PM, that the flue was...
  29. Thread: Picture U/L test

    by alexb
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    Picture U/L test

    Test to see if I can U/L a pic...


    Before caption........
    http://mysite.verizon.net/batsona/OldBoilerLeft.JPG
    After caption........
  30. Replies
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    Thanks for the words of wisdom. I do recognize...

    Thanks for the words of wisdom. I do recognize that the mfgr. is claiming to reduce the temp. swings by altering the current being fed to the element, which is apparently their claim-to-fame.
    ...
  31. Replies
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    878

    Experience with HydroSil elec baseboards...

    I saw an ad recently for HydroSil elec. baseboard heaters. My house needs some supplemental heat, and HydroSil's "proportional" metering systems delivers just enough current to the element to...
  32. Replies
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    I think I know the answer to this, but I'll ask...

    I think I know the answer to this, but I'll ask anyway. Some heaters are called "power-vent", meaning they have the elec. motor & vent fan that sits on top. Does that type of setup *require* the...
  33. Replies
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    1,761

    My tank is a 40gal unit, with 38,000BTU intput,...

    My tank is a 40gal unit, with 38,000BTU intput, and 70Gal 1st hour rating. Mfgr doesn't make this tank anymore, so I can't find any other stats on it, like the recovery rating (90F in an hr).

    I...
  34. Replies
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    Good point on the showerhead - I have a vintage...

    Good point on the showerhead - I have a vintage 1963 showerhead (gasp!) I've just been leery of replacing it, becuase if it twists in the wall, I'll have a leak on my hands, and my house is...
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    I'm not sure how a service company would be able...

    I'm not sure how a service company would be able to fix the effects of a super bargain-basement water-heater. Since posting, I've read about two important stats: a.) First-hour-output and ...
  36. Replies
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    1,761

    Difference between hot water heaters...

    In my old townhouse (built in 1998 actually) we had a 50gal hot water heater. Gas-fired, convection. We could take endless showers & have all the hot water we wanted. Now that I'm in a different...
  37. Replies
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    OP: I guess since that was a joke that meant...

    OP: I guess since that was a joke that meant more to the people in the trade, I guess that's why I didn't get it. --Sorry!

    I appreciate hearing all the techs say that doing a superheat &...
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    If BzzLine is going to be 'funny' when I'm...

    If BzzLine is going to be 'funny' when I'm actually trying to be serious, then I guess this thread is closed. I'd posted frequently here in the past & had people respond to me appropriately. Until...
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    I suspect improper charge from the beginning. ...

    I suspect improper charge from the beginning. --Remember how I stated that the tech had the canister upside-down & tilted to one side & seemed startled when I came up behind him & asked him...
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    renaissanse man thinks I need a new system? A...

    renaissanse man thinks I need a new system? A 2006 American Standard? I can't mention price here, but this system has to last 18 years like the old 1988 Carrier did.

    Anyway, except for the...
  41. Replies
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    OP: Well, There were only two contractors in...

    OP: Well, There were only two contractors in this area who would do American Standard. I had someone come out for a Trane system, but he wanted to install what <b>he</b> wanted, and sounded...
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    OP here: Thanks for the replies. I was always a...

    OP here: Thanks for the replies. I was always a bit suspect of the charge of that new system. I walked up on the guy who was charging the system, and he had his refirgerant tank upside down &...
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    Charging via superheat...

    This spring, given the cost of electricity, I'm going to ensure I get top performance, by insisting that a technician charge my system via superheat calculation. I know that this is the most...
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    Banging noise from lineset...

    Imagine if you will: You're in an old house with copper plumbing. You go upstairs and turn on the cold water full-blast. Then, as fast as you can, slam it off. Imaging the banging noise that...
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    I found out what is causing the wild humidity...

    I found out what is causing the wild humidity swings in our area. It <b>is</b> related to OD humidity. This past week, there was high pressure over the northeast, dropping dewpoints down to ~10F...
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    Thanks for the info on the HVAC establishment. ...

    Thanks for the info on the HVAC establishment. --I'm near Frederick Rd & St. Johns Ln. in Ellicott City. --Small world...
  47. Replies
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    A good example of what I was seeing... With 45...

    A good example of what I was seeing...

    With 45 OD Ambient______________(Normal)_________
    Temp ambient: 73
    Temp setpoint: 72 (2degree variance)
    Humidity ambient: 45
    Humidity setpoint: 50 ...
  48. Replies
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    Needs calibration, or new sensors??

    I've got two Liebert Challenger 3000's and a MiniMate 1-ton.

    All three units exibit the following behaviour when the outdoor ambient goes up close to about 60-65... The humidity level goes up...
  49. Replies
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    If the bulb were in the cold-air flow in the AH,...

    If the bulb were in the cold-air flow in the AH, <b>and</b> not insulated well, would this likely make the bulb colder, or warmer than it should be? Then again, the air on the cold side of the...
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    I ask, becuase I recently replaced my filter, and...

    I ask, becuase I recently replaced my filter, and took a look at the sensing bulb. It's held to the suction line by a zip-tie, and insulated with a piece of foam-rubber wrapped around it. I can see...
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