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Installed a brand new duo therm 13.5K # 57915 THE COMPRESSOR GOES ON BUT NO FAN ,if i change from auto to ON it runs,the unit i took off had the 6 plug + 2 addtl brown wires going to the cieling panel this unit only has the 6 wire plug thats all . Bill

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  • runninhot6 May 29, 2011

    Duo-therm thermostat

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Looking at the manual at the link below there is no option for Auto.

http://manuals.adventurerv.net/Dometic-Duotherm-Brisk-Air.pdf

Could you please confirm what controller you're using.

The 2 additional Brown wires are for an optional heater.

Posted on May 29, 2011

  • Andy Turner May 29, 2011

    Could you please confirm the following points. 1) Do you have any further details of the thermostat and how/where this is connected into the wiring circuit?. 2) What make and model of unit did you remove to replace with this one?. 3) What are the dials set to on this unit as shown on Page 2 of the Manual?

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