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  1. #1

    Trane XE 80 wattage calculations

    This is the purpose of calculating wattage requirements - I am thinking about buying a portable generator

    What are the wattage requirements for the A/C unit?
    What are the wattage requirements for the furnace?

    In the alternative, what is the horsepower of the furnace motor?

    Thank you

  2. #2
    Join Date
    May 2012
    Location
    San Diego, CA
    Posts
    352
    Do you have a model number (most useful) or tonnage for the Trane XE 80?
    You can call me Sam

    It should be a crime to be a mechanical engineer in San Diego
    Summer Design Temperature: 83 F Dry Bulb ~ 69 F Wet Bulb (California Climate Zone 7)

  3. #3
    Sam - the model # isTTR024C100A1

    I am considering either a 7000 or 8000 watt Briggs&Stratton Generator - 30 amp output to the transfer switch (Reliance 31410CRK)
    Also have a fridge and an upright freezer

  4. #4
    Join Date
    Aug 2007
    Location
    Northern VA 38 degrees N by 76 degrees W
    Posts
    5,060
    Quote Originally Posted by blackacre View Post
    Sam - the model # isTTR024C100A1

    I am considering either a 7000 or 8000 watt Briggs&Stratton Generator - 30 amp output to the transfer switch (Reliance 31410CRK)
    Also have a fridge and an upright freezer
    The 8 K will handle the furnace, fridge and freezer along with a few lighting circuits.

    The TTR024 is your Ac unit

  5. #5
    Join Date
    May 2012
    Location
    San Diego, CA
    Posts
    352
    Quote Originally Posted by blackacre View Post
    Sam - the model # isTTR024C100A1

    I am considering either a 7000 or 8000 watt Briggs&Stratton Generator - 30 amp output to the transfer switch (Reliance 31410CRK)
    Also have a fridge and an upright freezer
    Your TTR024C100A1 is your outdoor Condenser... Its electrical data is...

    208/230 Volt - 1 phase - 60 Hz
    Min Amps (MCA): 15
    Max Amps (MCOP): 25
    Watts: 25*230 = 5750 (Worst Case).

    The furnace, I assumed worst case was 11 amps fully loaded, so 115 volt * 11 = 1265 Watts...

    7015 watts for both your furnace and a/c.
    You can call me Sam

    It should be a crime to be a mechanical engineer in San Diego
    Summer Design Temperature: 83 F Dry Bulb ~ 69 F Wet Bulb (California Climate Zone 7)

  6. #6
    Thanks Sam... Exactly what I needed to know. No a/c with the 7k or 8k generators. Will plan on fans 😄

  7. #7
    Join Date
    Aug 2007
    Location
    Northern VA 38 degrees N by 76 degrees W
    Posts
    5,060
    Quote Originally Posted by blackacre View Post
    This is the purpose of calculating wattage requirements - I am thinking about buying a portable generator

    What are the wattage requirements for the A/C unit?
    What are the wattage requirements for the furnace?

    In the alternative, what is the horsepower of the furnace motor?

    Thank you
    A 7.5 kw generator and transfer switch would work for the essentials in your home.

  8. #8
    Nothing in the paperwork and nothing on the outside of the furnace - sounds dumb, but where do I look?

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