Question about Friedrich QuietMaster Deluxe RS12L10 Air Conditioner

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Friedrich QuietMaster SS12H10

The fuse/breaker blows when I turn on the unit. After I turn on the unit it makes a low humming noise for about 2 mins then the circuit breaker blows. The unit is on the same electrical outlet as it was last year, and the fuse did not blow last year.

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  • kikakiki Jun 30, 2008

    I was afraid that might be the solution. I inherited this unit with the apartment, I have no idea how many btu's it is or how to replace it since its a window model and I guess was fitted especially for the window it is in. I have the manual but even it doesn't answer how many btu's (terminology ??) the unit is.

  • kikakiki Jun 30, 2008

    wow thank you. i never expected this much help. one, i hope, last question. the entire unit is removed from the window, including the 2 kinda v shaped brace (brackets) and new installation, screws, drilling and all is done

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It is probably either the Compressor and or the capacitor that has failed. The compressor will hum and pull a lot of amps when it has seized up. Sounds like it is time for a new unit.

Posted on Jun 30, 2008

  • Don Berry Jun 30, 2008

    I believe that this unit is a 12,000 btu per hour.

    New units usually come with the necessary components to mount in an average size window. In the case that the package does not come with all that you need. A salesman at the store of your choice will make sure that you get all of the right equipment that you need.


  • Don Berry Jul 01, 2008

    I wish I could be of more help for you. Unfortunately I am not sure what pieces will come in your kit. If you luck out the old brackets may match right up to the new ones. If they do not. Then just read the directions carefully and you will do just fine. The installation is usually pretty painless if the dimensions are the same.

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A NEED A POWER CORD FOR THIS UNIT


Electrical Characteristics (60 Hertz)
Volts Rated: 115
Cooling Amps: 12.0
Cooling Watts: 1,343
Heating Amps: N/A
Heating Watts: N/A
Circuit Rating - Breaker or TD Fuse: 125V - 15A
Plug Face(NEMA#): 5-15P

This unit is 115vac and 15amps draw.

Find a heavy cord. ACE or Home Depoet

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