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  1. You might be surprised, Most A/C units are way...

    You might be surprised, Most A/C units are way oversized. A small dormer will add load to the system but with proper duct modifications the new addition should be fine.
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    Go here http://www.ua.org/veterans Get paid...

    Go here

    http://www.ua.org/veterans

    Get paid for a real education.

    Thanks for your service :cheers:
  3. Thread: MO99

    by pecmsg
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    150

    So your saying cycling the compressor on and off...

    So your saying cycling the compressor on and off is cheaper to operate and better for the compressor, fan, contactor etc?
  4. The Goodman requires 3 or 4' of vertical...

    The Goodman requires 3 or 4' of vertical clearance above the fan. I'd guess its not going to work
  5. Thread: MO99

    by pecmsg
    Replies
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    150

    All replacement refrigerants will have some...

    All replacement refrigerants will have some decrease in capacity usually less then 10%. What's wrong with running all the time when at or near design conditions?
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    call any supply house and request a study guide...

    call any supply house and request a study guide for Section of 608 certification.
  7. 4* Sh Is that what the chiller is calling for or...

    4* Sh Is that what the chiller is calling for or what the valves are set for?

    At 4* I thing your slugging liquid
  8. :censored:

    :censored:
  9. My facility's Manager calls me a nightmare!:grin2:

    My facility's Manager calls me a nightmare!:grin2:
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    9 GPM is good for maybe 3 - Tons How much...

    9 GPM is good for maybe 3 - Tons

    How much equipment is on these loops?
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    Cleaning the condenser falls under general...

    Cleaning the condenser falls under general maintenance. Anything beyond that requires at a minimum EPA certification. Have the HVAC tech gather information,(mod ser#'s, pressure readings if access is...
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    Heat load / loss calculation Manual "J"s...

    Heat load / loss calculation

    Manual "J"s residential Manual ? for commercial
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    267

    The contactor doesn't have safeties but the...

    The contactor doesn't have safeties but the control circuit does.

    I suspect you have duel voltage controls that's the reason for different coil voltages and the reason for two contactors. Could I...
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    First NEVER push in the contactor. No you can...

    First NEVER push in the contactor.

    No you can not.

    Please call a professional to diagnose the problem.
  15. Thread: Bid Practices

    by pecmsg
    Replies
    5
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    144

    Any good mechanical contractor will be able to do...

    Any good mechanical contractor will be able to do what you want. Finding s good one can be tough. Ask friends and relatives, yes look at work there done.
    Check the contractor map on this site. ...
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    I don't know of any calk that will cure at or...

    I don't know of any calk that will cure at or below freezing.

    I still use perma-gum for line and drain penetrations
  17. Take the buy out and hire a professional...

    Take the buy out and hire a professional contractor.

    and keep trusting you feelings
  18. Thread: Please help!!

    by pecmsg
    Replies
    19
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    306

    Good luck during a heat wave but try and find a...

    Good luck during a heat wave but try and find a real tech
  19. Thread: Sizing Question

    by pecmsg
    Replies
    5
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    120

    So they added 30% to the A/C capacity but didn't...

    So they added 30% to the A/C capacity but didn't increase the duct size for the extra CFM air flows required with the bigger system?
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    Before controlling both fans with a speed drive...

    Before controlling both fans with a speed drive check with the manufacture and find the minimum speed required. To low and they over heat.
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    At 7 years with the wrong coil it's probably...

    At 7 years with the wrong coil it's probably reached its minimum life.
    Get a load loss done and replace everything. Enjoy the energy savings and 10 year warranty.
  22. Thread: Hoshi KM-501

    by pecmsg
    Replies
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    198

    Pump seals may be going bad. BTW it's 5/16...

    Pump seals may be going bad.

    BTW it's 5/16 and comes from below the float
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    Also bad duct connections drawing in outside air

    Also bad duct connections drawing in outside air
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    Id be getting a second option at this point.

    Id be getting a second option at this point.
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    Smoke detectors are considered a Life Safety...

    Smoke detectors are considered a Life Safety Device and generally fall under strict licensing.

    Be careful doing anything to them, never remove them.

    If a head trips more then once we replace...
  26. 1) Installing contractor determines the life of...

    1) Installing contractor determines the life of the system. 15 - 20 is a good life.

    2) Several things, Dirty coil or fans, leaks in duct work, critters eating insulation and vapor barriers,...
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    That's when the Mts turned Blue

    That's when the Mts turned Blue
  28. I don't trap my lines and haven't had an issue

    I don't trap my lines and haven't had an issue
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    Pump down solenoids help also

    Pump down solenoids help also
  30. Pull the plug on the warranty company!

    Pull the plug on the warranty company!
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    That's basically free hot water and yes will save...

    That's basically free hot water and yes will save you money, what the return on investment is I couldn't say.

    Another thing to look into is Thermal Storage systems.

    Your local utility or...
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    Model & Ser of Condensing Unit Model & Ser of...

    Model & Ser of Condensing Unit
    Model & Ser of Evaporator
    SH at evap
    SH at compressor
    SC into receiver
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    Make sure the insurance is paid before resetting...

    Make sure the insurance is paid before resetting the breaker again.

    Smoking t-stats are generally not good.
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    No and No Call sparky.

    No and No

    Call sparky.
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    Advise him Don't tell me................Show...

    Advise him


    Don't tell me................Show me!
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    Demand a Raise!

    Demand a Raise!
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    257

    How old is this system? How long have you hade...

    How old is this system?

    How long have you hade this issue?

    That's a good machine but must be serviced by qualified personnel
  38. But you learned from real techs! Today an EPA...

    But you learned from real techs! Today an EPA card and a truck is all most have.
  39. Replies
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    I'll come by to help you load it!

    I'll come by to help you load it!
  40. http://hvac-talk.com/vbb/showthread.php?853582-Own...

    http://hvac-talk.com/vbb/showthread.php?853582-Owner-Assistance-Rules-Must-Read-Before-Posting
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    After 3 years I hope he's dropped the price

    After 3 years I hope he's dropped the price
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    If properly done yes the dripping stops. If...

    If properly done yes the dripping stops. If improperly done you've wasted a lot of time.

    Please don't try to do it yourself, let the professionals deal with it and the responsibility.
  43. Thread: ColdTech

    by pecmsg
    Replies
    3
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    172

    Looks like there Out of Business. Search for a...

    Looks like there Out of Business. Search for a manual pay site.

    What tech information do you need?
  44. I have always preferred a LP control when...

    I have always preferred a LP control when feasible. With blends of refrigerants is harder to dial in.

    Deli Display is easy 35*f, Bakery display what temperature are you looking at? Pulling 35*f...
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    Get your post count up and apply for pro status....

    Get your post count up and apply for pro status.

    Stop by here at the end of the day and describe what you've been doing and working on.
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    and "We have more attorneys then you do"

    and "We have more attorneys then you do"
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    T in the bottom of the trap with a plug that's...

    T in the bottom of the trap with a plug that's removed in the winter.
  48. Replies
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    Your biggest mistake was the Home Warranty...

    Your biggest mistake was the Home Warranty Company.

    Take there buy out and call a real contractor
  49. Depending on what they say but you might want a...

    Depending on what they say but you might want a second opinion of the install.
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    Refrigerant levels are measured by: Superheat...

    Refrigerant levels are measured by:
    Superheat reading
    and
    subcooling reading
    or pull the charge and weight it in.

    also clean coils and proper air flow is required for accurate measurements.
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