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2014 Model S build sheet question

Discussion in 'Model S' started by billyho613, May 1, 2018.

  1. billyho613

    billyho613 Member

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    Hi,

    Is the $1300 wall connector a better wall charger?

    Didn't all 2014 Tesla's come with a wall connector?

    thx
     

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  2. SSedan

    SSedan Active Member

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    That would probably be the HCWC high capacity wall charger which did not come with all cars, the UMC comes with all cars.
     
  3. Muzzman1

    Muzzman1 Member

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    When I bought my 1st MS there was an option for $2700 that included the HPWC (high power wall connector) and it also came with a 2nd onboard charger that enabled 80A charging, from the factory.
    It later became a SC option only.

    The UMC (max 40A) comes with all cars including the ones that were ordered with the HPWC
     

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  4. billyho613

    billyho613 Member

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    so I've got dual chargers and the HPWC....if i just plug into a regular 110V am i going to get more than 3 miles charge per hour? thx again
     
  5. Muzzman1

    Muzzman1 Member

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    Negative, you will only get 3mph. The Dual Chargers allow you to get more than 40A. Nothing more.
     
  6. Doanster1

    Doanster1 Member

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    The HPWC is an external charger that gets installed by an electrician close to your panel in the garage. Since you have dual chargers onboard, the HPWC can be set to deliver up 72A (80% of a 90A breaker) of current, which will give you 52miles of charge/hour.
    Problem is... the previous owner of your car did not remove the HPWC and include it as part of the sale. If they did, you’d be wondering what that silver alien-head-like thing in the trunk/frunk was.
    So, you need to either buy a new HPWC or at least have an electrician install a NEMA 14-50 outlet in order to charge at more than 4mi/hr.
     
  7. billyho613

    billyho613 Member

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    thanks....i will check the frunk, but ya i doubt it's going to be there!
     
  8. henderrj

    henderrj Member

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    A minor correction. I get 80 amps with the older dual charger system and the new HPWC. It requires a hundred amp breaker in the panel, but it does work great! Something North of 60 miles per hour charging.
     
  9. mongo

    mongo Well-Known Member

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    Small correction:
    It is a connector, not a charger. The unit itself is a GFCI breaker with a ~20mA imbalance limit (vs 5mA for normal GFCI). The internal dip switch setting tells the car the maximum current the car's charger(s) are allowed to draw.
    Also, it does not need to be close to the panel, but a 60A or greater circuit does require a local disconnect which could be a sub panel.
     
  10. David29

    David29 Supporting Member

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    And one other detail -- a new Wall Connector (the official name is no longer "HPWC") is only $500. Installation cost can vary considerably, depending upon your home's electrical system capacity and arrangement.
     

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