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  1. Replies
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    For all whom I missed, thank you for your input!!...

    For all whom I missed, thank you for your input!!

    I will try to post results at later date.
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    Don't think so.

    Don't think so.
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    Thanks for the response Techman. Yes I would...

    Thanks for the response Techman.

    Yes I would think a high suction would at least influence the head pressure.
  4. Replies
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    I can't remember the exact numbers, but the...

    I can't remember the exact numbers, but the pressure dropped down to 100#-125# and stayed there.
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    Thanks for the reply garyed. I would really...

    Thanks for the reply garyed.

    I would really lean toward the metering device being fiddled with, especially with the low superheat.
    But I opened the evaporator when I was there and the tape that...
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    Thanks for the reply Mr Bill! Yes the suction...

    Thanks for the reply Mr Bill!

    Yes the suction is super high, I've used my gauges quite a few times since with no other odd readings.

    R-22 at 125# is 70 degrees so I think there was no sweating...
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    Thanks for the reply dougfamous. The metering...

    Thanks for the reply dougfamous.
    The metering device is fixed, I opened the evaporator case to make sure.
    I've encountered the overcharged to overcome the restriction thing before too.
    Usually...
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    Bad Recip. Compressor Suction Valve?

    I ran into a service call that I'm thinking is a bad suction valve in a reciprocating compressor. Just wanted to run it by you guys to see what you think.

    The customer says it cooled his mobile...
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    Thank You all for the information!!

    Thank You all for the information!!
  10. Replies
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    Best Brand of Service Van to Get?

    Hello!
    I am due to get a new service van, and my employer asked me what brand (Chevy, Ford, Dodge, etc.) I wanted.
    I'm not sure which, and don't have any deep preference or alliance to any...
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    Yup

    Yup
  12. Replies
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    Gas supply pressure was fine. I should have...

    Gas supply pressure was fine.
    I should have mentioned that in previous post.
  13. Replies
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    You're absolutley right, hands. When the gas...

    You're absolutley right, hands.
    When the gas valve was energized, I had -1.3" w.c.---there wasn't enough gas being put out to raise that negative pressure up to -0.2". Tried adjusting gas valve's...
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    Thank You!!

    Thank You!!
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    Thanks Er14ic, I think the diffuser plate was...

    Thanks Er14ic, I think the diffuser plate was clean, but I'll take a nitrogen bottle up with me next visit to be sure.


    No I don't, if the manifold pressure goes from -2.5" w.c. to -1.3" w.c....
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    Trane Voyager RTU Heating Issues

    Hello everybody,
    I got an issue with an older Trane Voyager pack that isn't lighting up in heat.
    The model is YCD150B4LOBA
    The ignitor was bad, so I got a new one, and installed it. On first...
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    A lot of times I use three different methods of...

    A lot of times I use three different methods of leak detection to find a leak. The first is to look for oil stains, or get the general area with a "sniffer". I use an Inficon, and am happy with it....
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    On a couple of maintenance calls I've replaced a...

    On a couple of maintenance calls I've replaced a worn looking thermocouple, telling the customer "this is cheap insurance, it's sure to fail soon". I replace it and now the pilot won't stay lit. The...
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    Educational VAV Simulator HVAC Site

    Found a cool site that has a simulator of a VAV system. Pretty fancy!
    I downloaded the simulator and tried it out. You can change parameters such as intake air temp and other things and watch how it...
  20. Thanks for the info toolslinger!

    Thanks for the info toolslinger!
  21. Thanks for the site and advice maxster! I have...

    Thanks for the site and advice maxster! I have the site in my favorites, and a binder in my truck.
  22. Mall maps! I'll be scouting for 'em! Thanks!

    Mall maps! I'll be scouting for 'em! Thanks!
  23. Thanks for the site xcel!

    Thanks for the site xcel!
  24. Very good advice! I have a defined line that I...

    Very good advice!
    I have a defined line that I will not cross. I found it good to have that line defined before the situations pop up, that way there's no rationalizations, excuses made, or caving...
  25. I'll definitley keep that in mind Jerry, it would...

    I'll definitley keep that in mind Jerry, it would only be as a last resort. Things weren't looking good there, which caused me to start looking elsewhere in the first place.
  26. Well, I managed to talk to another tech for a...

    Well, I managed to talk to another tech for a while who works at this place too. Come to find out there is a couple of techs who have worked there for over a year. I also asked him if they deliver on...
  27. I'm gettin' it, Timebuilder. It's been a learning...

    I'm gettin' it, Timebuilder. It's been a learning experience.
  28. I think who's getting milked the most is the...

    I think who's getting milked the most is the employees. The more I read the Human Resources legalese in their employment manual, the more I see how things are rigged to legally deny the health and...
  29. Thanks Hungrytech. You're right about...

    Thanks Hungrytech.
    You're right about interviewing the company as well as being interviewed, next time I'm going to dig a little deeper.
  30. Thanks, madhat and timebuilder. Think I'll be...

    Thanks, madhat and timebuilder.
    Think I'll be gettin' the resume back out.
    Just signed up to hvacagent.com.
  31. whoops

    Sorry that paragraph at the bottom of the post---wasn't supposed to be there. Please disregard. I looked for an edit button to get rid of it, guess there isn't one.
  32. Residential tech starts in Commercial-Bad deal?

    Hello all!
    Sorry for the long post, I've tried to make it short as I could.

    I've been a residential HVAC tech for 11 years, working for the same company since I left trade school.
    I'm NATE...
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    Restricted/ collapsed return air duct? I don't...

    Restricted/ collapsed return air duct?

    I don't think I would suspect the reversing valve. If it leaked I think you would have lower head /high suction pressure.

    Dirty filters inside the house? ...
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    You're right, I was thinking of a heat pump only...

    You're right, I was thinking of a heat pump only thermostat. I was under that impression when martyinlincoln said to use emergency heat in the above post.
    If the tstat can be configured to...
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    That would work, but I would be hesitant to do it...

    That would work, but I would be hesitant to do it in a customer's house.

    Somebody in that household (relative, visitor) is going to put that heat pump stat into "Heat" mode. Sure 'nuff--that...
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    I've seen several "cooling only" heat pump set...

    I've seen several "cooling only" heat pump set ups. I agree with Turnbull40 and Rob in WV :
    1. Hook the "O" wire to "R" so a constant 24 volts is going to the reversing valve. This'll prevent a...
  37. Thread: dye

    by chrisnorris
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    Isolation leak test

    YES! the good ol' isolation leak search. That's exactly what we did to find the "unfindable" leaks on split systems before we started using the dye. Now -a-days, we'll resort to the isolation leak...
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    I've never seen reverse polarity to furnace cause...

    I've never seen reverse polarity to furnace cause an ignitor to glow as soon as it's plugged in, though I've seen plenty of reverse polarity error codes. What always tipped me off that polarity was...
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    I change mine every three evacuations, unless...

    I change mine every three evacuations, unless it's after a compressor burnout or a system that's been open for any length of time. A new drier has been put in too.
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    Dumbest for me was a no heat call, the thermostat...

    Dumbest for me was a no heat call, the thermostat was in "off" position.
    Was also one of the sadder calls I did. Guy was a good customer in his 80's with Alzheimers coming on.
  41. Thread: dye

    by chrisnorris
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    If I've thoroughly looked over the system with a...

    If I've thoroughly looked over the system with a "sniffer" and an ultrasonic and still can't come up with anything conclusive, I'll use the dye. Our company uses the Spectroline ultraviolet kit.
    I...
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