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  1. Replies
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    I have to give credit to Dan Holohan on this one-...

    I have to give credit to Dan Holohan on this one- was a case mentioned in one of his books on this issue.
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    The sight glass is ok to be not fully seated...

    The sight glass is ok to be not fully seated open, it could freeze in open position and if someone turns the wrong way first off, could wring the stem off. You can open fully and back off 1/4 turn.
    ...
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    505

    I've only ever done one install of undergorund...

    I've only ever done one install of undergorund ductwork. was pvc coated spiral as well.

    did do a changeout on an old package unit. the "curb" was brick and went down into ground. underground ducts...
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    Maybe water level too low in boiler and causing...

    Maybe water level too low in boiler and causing some steam production when producing hot water.
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    It is unusual to check for acid on each call. I...

    It is unusual to check for acid on each call. I have had a few I checked because the odor from refrigerant when dis/connected gauges.

    The system is old enough that if the compressor craps out,...
  6. 70 lbs differential. Never tried before, so don't...

    70 lbs differential. Never tried before, so don't know how long would take to get that difference, w/o going into vacuum on low side.

    I do know they will switch w/o running- I've pumped down into...
  7. if you were going to cycle comp and fan, could...

    if you were going to cycle comp and fan, could tack on a transformer too, and shift the sov when get 70# psi difference.
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    Have one customer, the drainline is ALWAYS...

    Have one customer, the drainline is ALWAYS recovered by landscaping guys when go back.
  9. Replies
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    269

    2-7 wouldn't hold up very well, especially zinc....

    2-7 wouldn't hold up very well, especially zinc. can't see casting a secondary hx and getting it to be compact.

    Monel can swim in brine for years and still be hardly scratched, but is about 1/2...
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    Must not be that big a deal, the secondaries...

    Must not be that big a deal, the secondaries aren't all that big. They just need more surface area for heat exchange. How much is "very low" compared to other metals? gold, copper, monel?

    SS seems...
  11. Would likely be a special order thing. There are...

    Would likely be a special order thing. There are also metal louvers made to cut into doors for airflow, two sided design.
  12. I've seen a number of mhs w/ louvered doors in...

    I've seen a number of mhs w/ louvered doors in that location. If the opening was uncased (no stops for door to close against) was never intended to have door.

    Some I've seen also had duct from...
  13. Replaced a compressor in a Frigidaire today, when...

    Replaced a compressor in a Frigidaire today, when started it had bad txv- 25psi on suction side (410a) real high sh, and a few degrees sc around 280ish head.
    needed a little more juice as well, bad...
  14. Replies
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    670

    the pipe must slope downhill the whole way, may...

    the pipe must slope downhill the whole way, may not be humped up anywhere. and the piping between trap and unit must not have any openings.
    Did you try putting a wet vac on the end outside to see...
  15. Friidaires don't have sc listed on nameplate , or...

    Friidaires don't have sc listed on nameplate , or anywhere, if I recall correctly. They do have a charging chart you're supposed to use, but it shows pressures.
    Much of the time I see one, doesn't...
  16. My experience on these units w/ low airflow (or...

    My experience on these units w/ low airflow (or even normal) is that they run almost no sh and almost no sc. The only time they get that high sh is bad txv or low charge, and the sc is too high to be...
  17. Replies
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    looks like replacement units that didn't get any...

    looks like replacement units that didn't get any love on the duct reconnection.



    (maybe original guys did vanes in ells?)
  18. Replies
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    468

    I have to say that recently I've moved to indoor...

    I have to say that recently I've moved to indoor f/ds on occasion due to some txv/piston issues w/existing contamination moving from tubing to txv, indoor f/d would catch it in that case. .
    And I...
  19. Replies
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    379

    did a Trane compressor today. took the part out...

    did a Trane compressor today. took the part out shop and put in van, drove to job and put it in. the end.:yes:


    I have done some pretty indepth data collection for problem jobs before (Trane...
  20. Replies
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    379

    I found out today that some manufacturers expect...

    I found out today that some manufacturers expect you to supply f/d when doing coil changeout, even thought they want back old f/d w/ part. Didn't ask if you can expect to get a new run cap w/ warr...
  21. Replies
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    379

    warranty obstacle course

    yesterday had a terrible warranty part experience.

    had a warranty repair on a westinghouse unit, bad compressor.

    First tech found comp bad. sent me back out to call WH techline over phone ohm...
  22. this won't correct formicary corrosion issues.

    this won't correct formicary corrosion issues.
  23. if the rubber is sandwiched between layers, would...

    if the rubber is sandwiched between layers, would be held in place.

    if it's the front cover and not baffle plate, I believe it keeps water off insulation and redirects condensation into pan. even...
  24. The issue of mandated requirement to provide...

    The issue of mandated requirement to provide skills/product to gays came up last week after church. It seems that gay marriage in churches could be a next step. I asked how does anyone have a right...
  25. The poly phase type filters for humidifiers...

    The poly phase type filters for humidifiers aren't super cheap to replace.

    how much pressure is needed for these units to work? maybe condensate/rain water be used in place of city water to help...
  26. Replies
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    rings are a tourniquet wives use to stop a...

    rings are a tourniquet wives use to stop a husband's circulation...
  27. Replies
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    1,207

    Not sure who does the amanas in our area. was the...

    Not sure who does the amanas in our area. was the tech rep talking to, and he was doing what his higher ups were telling him to do. I think he might be as annoyed w/this as I am.
  28. Replies
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    As previous poster said, after work done, will be...

    As previous poster said, after work done, will be obliged to do some extended recommissioning check list, and fill every line, or they won't pay out.




    The manufacturer isn't eating a...
  29. Replies
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    talked w/ rep today. said something about...

    talked w/ rep today. said something about convoluted process and he ranted some, too. He has to go through that computer sheet for all the comps called in.
    I imagine some of the callers are the...
  30. Replies
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    1,032

    My mom and stepdad both did some hvac work. she...

    My mom and stepdad both did some hvac work. she did ductwork mostly. One of the first hvac sites I was ever on we were all there doing duct on rooftop.


    I read in economic facts and fallacies by...
  31. Replies
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    reminds me of a warehouse I put the fans and...

    reminds me of a warehouse I put the fans and dampered louvers in- plans showed the fans on same side building as garage doors

    pointed out that the doors being open would short circuit the airflow....
  32. Replies
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    329

    whole house fans were always blowing out to draw...

    whole house fans were always blowing out to draw cool air directly into the bedrooms, etc. If its in the room you're in, makes sense to suck in. Otherwise, just preheating cool air from rest of...
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    on the var speed zoning, there is a minimum size...

    on the var speed zoning, there is a minimum size for each zone. and the communicating setup has better options available in it as well.
  34. Replies
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    Hasn't been an issue in past, and only w/ these...

    Hasn't been an issue in past, and only w/ these two manufs, at least in my experience. If the comp is shorted to ground, its bad, period.


    I agree on the misdiagnostic of comps being too common...
  35. Replies
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    Now that you mention brand name, he maybe said...

    Now that you mention brand name, he maybe said could use it. Had a couple acid burns, but never used the acid away in them.
    point being that Trane was particular about the repair, but about...
  36. Replies
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    Had a condensor fan motor once would run...

    Had a condensor fan motor once would run backwards w/ new dual cap on it. did separate caps of same rating, ran normal.
  37. Replies
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    Westinghouse isn't too particular on how I fix...

    Westinghouse isn't too particular on how I fix the acid issue on a warr unit, but uptight about c/s/r ohms on shorted to ground comp? indifferent on additives, sure, do s f/d, whatever?

    Wonder...
  38. Replies
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    warranty compressor hurdles.

    have had two calls this week where going back to sites to recheck compressors over phone w/ manufacturers.

    had to call Westinghouse hotline and get ticket# to start compressor/quality pledge...
  39. Replies
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    1,160

    It was a problem tooth I had, I joke that I'm...

    It was a problem tooth I had, I joke that I'm going to save my teeth as fall out and make a necklace. It was tough for the dentist to pull, thought for a moment he would put one foot up on armrest...
  40. you can get a clean cut pump w/ the time delay...

    you can get a clean cut pump w/ the time delay plug. this will allow the pump to be universal foir old or new primaries. the older ones will use the plug which upgrades to a 15 sec time delay on...
  41. Replies
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    this is how I park my stuff. lower 2 bins on left...

    this is how I park my stuff. lower 2 bins on left for work stuff out pockets.
  42. generators supposedly do not have quite the same...

    generators supposedly do not have quite the same sine wave form as previous poster mentioned.

    Had two systems installed at a home run off generator which charged battery banks/ran the power...
  43. at previous co, one of tune ups guys said he knew...

    at previous co, one of tune ups guys said he knew which oil furnaces I put in- they were always in better shape/ clean hxs.
  44. What is this "accountability"? had an hour drive...

    What is this "accountability"? had an hour drive the other day to fix a filter slot in duct- and office knew it needed to be done in advance- It was pointed out by cust when I was there fixing a zone...
  45. Thread: pet peeves

    by billygoat22
    Replies
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    723

    I rub the brush against the inside of the opening...

    I rub the brush against the inside of the opening to wipe some of the extra off.

    The dopey can is one of my many hangups... loose wires, inaccessible equipment, crap run in front doors, silicone...
  46. Replies
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    3,113

    worked at previous employer for 10 yrs, was...

    worked at previous employer for 10 yrs, was driving same p/u then as when started, nearly everyone who worked in install there for more than few yrs replaced vehicle at least once.

    one guy had a...
  47. Replies
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    And real p/us shouldn't have carpet or fabric...

    And real p/us shouldn't have carpet or fabric upholstery. dirt magnet.
  48. Replies
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    is that a blower motor? also, wouldn't the end...

    is that a blower motor? also, wouldn't the end bell chew through the shaft eventually?
  49. Replies
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    I thought 27k was a lot for a honda van. after...

    I thought 27k was a lot for a honda van. after seeing that the taxes were more than my house tax won't be buying a new vehicle again.

    My parents bought an 86 nissan pu back in 85 for just over...
  50. pressures, line temps, sh/sc, odt, db and wb...

    pressures, line temps, sh/sc, odt, db and wb split are standard for me.

    I've found ducts leaks by reading the split at the equipment and finding the return temp good deal different from what the...
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