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Type: Posts; User: tshep

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  1. Replies
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    I was looking for something else and saw...

    I was looking for something else and saw this...maybe I can help.
    The equipment should list MCA (Minimum Circuit Amps) and MOP (Maximum Overcurrent Protection) - both must be met.
    The equipment...
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    627

    Thanks guys - I kinda need to roll on this before...

    Thanks guys - I kinda need to roll on this before the weather goes either way - it's very mild right now in VA
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    627

    Bump

    Any Carrier guys out there - did I ask the question wrong?

    I read (on another site) about some control engineer removing a 'network module' so he could directly control the HNA unit. I got the...
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    627

    Carrier Controls ?

    I'm just about settled on my new system selctions, but -

    Do the Carrier Infinity's - 25HNA9,6 - all talk on a network (ie, not have normal Y, W, etc. terminals for interconnecting)?

    If I drop...
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    364

    Heat pump coils over gas furnaces

    Hey - looking for voices of experience here.

    I think I understand why these coils need to be above the HX, but then are there installation or selection techiniques that help prevent coil condensed...
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    342

    Heat Pump Selections

    Hi -I could use some advice.

    Replacing - Richmond, VA - 2 - 21 year old yorks (2 and 2 1/2 tons) that did the job. (I've been nursing YorkGuard IV cards for 15 years, accumulator joints are...
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    Hi - my 2 cents... I did large building controls...

    Hi - my 2 cents...
    I did large building controls for quite a while, and once asked an old school engineer why hot pumps were always on supply - the hot side, to me, looked like a bad place for...
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    738

    I tried searching everything I could think of,...

    I tried searching everything I could think of, and couldn't find a reset procedure for York guard card controls.

    I remember seeing it here before, it involved shorting 2 terminals to reset stored...
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    4,951

    I do controls, but...I felt I had to write a...

    I do controls, but...I felt I had to write a letter on a similar job in a church.
    Just lightly touching a exhaust pipe while working caused pipe to uncouple.
    Feedback from mechanical said they no...
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    badboy wrote: New techs beware! ...

    badboy wrote:
    New techs beware!
    NNnneeevveeerrrr trust a disconnect, breaker or someone else.
    Use your most important tool that was given you at birth.
    Your brain.
    ALLWAYS,allways check for...
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