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  1. Replies
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    Aquapex is designed for potable water. Hpex is...

    Aquapex is designed for potable water. Hpex is meant for boiler installations. I'd change it if it were me because I believe many ran into problems with the aquapex failing prematurely. How long it...
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    was there ice development between the stainless...

    was there ice development between the stainless steel sheets where the evaporator tubing is routed? if so you may be onto something.
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    steam fitter unions have a service group for hvac...

    steam fitter unions have a service group for hvac service techs... i'm in local 475 out of warren nj...

    you made the right decision as far as school goes, best of luck with your career
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    very nice... thanks for sharing that with us.

    very nice... thanks for sharing that with us.
  5. Replies
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    heat gun

    heat gun
  6. Thread: Acselon error

    by cateyes
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    ask this question in the controls forum... i'm...

    ask this question in the controls forum... i'm sure you'll get an answer there. peace2U
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    raise incoming water temp

    raise incoming water temp
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    no... if you do decide yo do it anyway i...

    no... if you do decide yo do it anyway i recommend controlling the furnaces through isolation relays via stat. good luck
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    Trane has an office in that Phoenix

    Trane has an office in that Phoenix
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    1,127

    TRANE Eagle Software

    Does Trane Eagle software include all service bulletins on commercial equipment? Thanks in advance
  11. Replies
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    i wish you the best of luck with this project. :)

    i wish you the best of luck with this project. :)
  12. Replies
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    i've seen schedule 80 used on chillers... 6" pipe...

    i've seen schedule 80 used on chillers... 6" pipe seems small for 800 tons of water flow.

    peace

    cateyes
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    just curious... what is the make and model number...

    just curious... what is the make and model number of the unit you are working on?
  14. low suction/superheat... heat transfer problems =...

    low suction/superheat... heat transfer problems = fouled evaporator... best of luck to you
  15. Replies
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    low load? have you checked air flow across evap?

    low load? have you checked air flow across evap?
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    this can be a very tough machine to leak...

    this can be a very tough machine to leak test/repair. dry nitrogen and R22 as a trace gas. best of luck to you
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    between 70=72...

    between 70=72...
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    http://www.eng-tips.com/

    http://www.eng-tips.com/
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    this would be be better question for controls...

    this would be be better question for controls forum. i'm sure there are tracer pros who can help you out... good luck
  20. Replies
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    i was always under the inpression centravac's...

    i was always under the inpression centravac's operate at 40 % minimal capacity due to vane configuration when unloaded. of course this number can be lower with no load or flows being off. don't rule...
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    here in new jersey, you can work with any voltage...

    here in new jersey, you can work with any voltage you feel comfortable working with. when working with 4160 or higher great care must be taken. good luck
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    there may be debris ( gasket material ),...

    there may be debris ( gasket material ), blockinhg the orifice plate after start up. it may seem unlikely but i've seen it before... please let us know the outcome.
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    if i understand you correctly, the equiptment is...

    if i understand you correctly, the equiptment is owned by the same individual/company. then yes... i've seen/have transfered refrigerant containing dye from one system to another many times. you...
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    personally i have only seen copper on in ground...

    personally i have only seen copper on in ground but have seen mixture black and copper on building/boiler loop heat pump systems. that's not to say it should have been done. really the best judge...
  25. Thread: RSES Members

    by cateyes
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    member since 1991...

    member since 1991...
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    you need equipment that an air balancing company...

    you need equipment that an air balancing company would use to calculate air volume and speed in supply and exhaust duct systems. using a calibrated magnahelic gauge will give you room static pressure
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    test board output

    identify terminals for #1 circut and see if your losing a signal at the board when it drops out... wish i had diagrams available but my eagle subscription has expired... peace
  28. Thread: CVHF Trips

    by cateyes
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    981

    Breaker trips

    if your current draw is normal, have your breaker tested
  29. Thread: ** New **

    by cateyes
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    this website is a great resource. another thing...

    this website is a great resource. another thing you should consider is join RSES at rses.org... good luck in the future
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    Awesome! :cool: Thank you very much

    Awesome! :cool: Thank you very much
  31. Replies
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    Bingo!

    Bingo!
  32. Thread: Delta T.

    by cateyes
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    You have a somewhat normal Delta T at AHU's and a...

    You have a somewhat normal Delta T at AHU's and a much narrower Delta T at the chiller. The difference between leaving water temp at AHU's versus chller entering sounds like the bypass is open...
  33. Based on the wiring diagram you should be able to...

    Based on the wiring diagram you should be able to disconnect wires 33 or 35 from this timers contacts and the unit will still start up normally. If your problem clears up then it's the D2-1...
  34. Thread: Delta T.

    by cateyes
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    Just curious... What is the entering and leaving...

    Just curious... What is the entering and leaving chilled water temp at the airhandler? Are the zones reaching temp?
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    By the way, is that a picture of you? You're very...

    By the way, is that a picture of you? You're very handsome...
  36. Replies
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    Just curious, how deep are you pumping lowside...

    Just curious, how deep are you pumping lowside down? I work on large tonnage equiptment but have always been under the impression scrolls were sensitive to to pumpdowns
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    You should consider approaching him and tell him...

    You should consider approaching him and tell him you've had time to think about it and that you're upset... At that point you might be in a position to ask him what prompted him to question your...
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    AWESOME.

    AWESOME.
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    I use the same model... No problem so far. Good...

    I use the same model... No problem so far. Good luck...
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    Liquid filled versus standard

    I prefer liquid filled over standard, but I work on systems that produce pulsations from time to time. The glycerin does a great job of balancing out the needle... Hope this helps
  41. If there where enough moisture in a lineset...

    If there where enough moisture in a lineset perhaps it could freeze due to P/T's, but I doubt there would be a problem with atmospheric humidity unless it were raining. One of the first things I do...
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    I have never gotten around to using the clamp...

    I have never gotten around to using the clamp type probes... Maybe one day. In the mean time I use pieces of 3/8 armaflex and strips of bed sheets to tie it down. The RTD or thermistor are in...
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    The prevac is designed for permanent...

    The prevac is designed for permanent installation... Heater blankets are permanently attached to the evaporator barrel. It's function is to energize heaters when the chiller is idle, raising vapor...
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    dual fuel systems

    I would definitely consider either the Trane or the Lennox heat pump systems. Both manufacturers produce quality equiptment and comparable warranties and performance. Take good care
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    WOW! What an awesome resource... Many Thanks!

    WOW! What an awesome resource... Many Thanks!
  46. Replies
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    Refrigerant Information

    I am a centrifugal,absorber,screw mechanic looking to get into recip. I'm not familiar with all the new compounds being used today. My experience is limited to water,R22,R11,R123 and R134a. Are there...
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    sound advice... i appreciate it tinnocker. take...

    sound advice... i appreciate it tinnocker. take good care man...
  48. Replies
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    i appreciate the feedback... i'll try and figure...

    i appreciate the feedback... i'll try and figure out how to amend my profile... sorry for the confusion. peace2U man...
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    YES!!! Exactly Wirenut! This is why I raised the...

    YES!!! Exactly Wirenut! This is why I raised the issue... I'm contacting the manufacturer later today.... Thank You man...
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    i am a member of that community.... get it? what...

    i am a member of that community.... get it? what is so hard to understand about the situation. i work on centrifugals and absorbers... i'm trying to help a friend out by gathering information. this...
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