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Type: Posts; User: rucomfy101

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    Carrier Self-Contained

    Good morning. Carrier self contained air cooled AC unit. Ducted condensing coil M# 50BYN 012 series. Located in conditioned space. Standard SA/RA duct work.

    Trying to determine the best way...
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    Carrier Comfort-LInk Package RTU

    Good afternoon-
    Thoght I would see if any tech might have wiring diagrams for a alrge Carrier package unit: 48HGD 016AB611AG S-2608G

    The issue is that the unit is locking out Circuit A...
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    A few suggestions for your consideration: Take a...

    A few suggestions for your consideration: Take a relative humidity reading of the space. The water leaking from the registers/ductwork in the winter is coming from inside your home.

    Insufficient...
  4. Just a thought, have you considered two-stage...

    Just a thought, have you considered two-stage equipment?
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    Take pride in what you do and in what you know...

    Take pride in what you do and in what you know and that you took the time to set it up the right way. Been there and done that.
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    Just a thought, but you probably realized as I...

    Just a thought, but you probably realized as I was reading your thread...
    the field added panel between the CFM 1-2 has effectively cut your condensing coil surface in half, thus the high pressure...
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    Thermostat Querie

    If a H/W Vision Pro Thermostat loses the remote indoor temp sensor, what happens to the display?? The screen was locked and was reading 72 degrees with a set point of 72 degrees. There was an old...
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    A couple suggestions: 1. Check compressor...

    A couple suggestions:
    1. Check compressor winding resistances and compare to known good
    2. Intermittent voltage drop in circuit
    3. Saw something like this before, intermittent logic fault in CLO...
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    sheave/pulley job

    That is what I was kinda leaning towards as a last resort...... goona look at small pullers and see exactly how much room I have to work with. May end up substituting the jacking bolt furnished with...
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    sheave replacement

    Seeking help or advice with a sheave replacement job assignment on a York packaged unit M-D1EG090N13046E. The RTU with the drive package on the bottom. I might have to fabricate my one puller if I...
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    Sheave replacement

    Seeking assistance and/or tips on how to replace an indoor fan driven sheave on a York packaged unit, Model # D1EG090N13046E S#NHFM104164.
    An older RTU with the drive components on the bottom with...
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    Reviewed the info at the website, per your...

    Reviewed the info at the website, per your suggestion. Actually, do not see too many differences from my old BOCA Codebook (1993), Ventilation.

    I was asked if I could check the HVAC sizing by my...
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    I am not sure what you mean. Is BOCA not...

    I am not sure what you mean. Is BOCA not followed anymore as a means to determine ventilation air requirements ?

    I am using Elite Software for Res/Light Commercial Load Calc. It allows for input...
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    Load Calculation

    When sizing a commercial system, does the BOCA ventilation factor remain constant as the occupancy load increases and does the ventilation load ever exceed the infiltration load/factor??

    In other...
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