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Old 07-16-2008, 03:43 AM   #1
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I have an 02 Fleetwood Bounder, 2 roof ac units. Sometimes, on either unit, the fan will blow but the compressor will not come on. If I turn it off and back on again, sometimes several times, it comes on. And I can only run one ac unit at a time or neither unit will come on. It has a powermanagement system built into the thermostat and I think it has something to do with that system. Can I eliminate the power management system and install two thermostats for the ac units directly? Thanks.
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Old 07-16-2008, 03:43 AM   #2
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I have an 02 Fleetwood Bounder, 2 roof ac units. Sometimes, on either unit, the fan will blow but the compressor will not come on. If I turn it off and back on again, sometimes several times, it comes on. And I can only run one ac unit at a time or neither unit will come on. It has a powermanagement system built into the thermostat and I think it has something to do with that system. Can I eliminate the power management system and install two thermostats for the ac units directly? Thanks.
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Old 07-16-2008, 04:44 AM   #3
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Do you have a 30AMP or 50AMP service. With a 30AMP service you need the managment system because there is not enough power to start both compresors at the same time. It is posible that your other A/C unit or somthing else in the MH is using to much power to let the other A/C compresor start.
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Old 07-16-2008, 05:06 AM   #4
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30 amp service. I thought of that. With the generator running, and no other loads on the system, should there be enough power to run both ac's?
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Old 07-16-2008, 06:38 AM   #5
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Since you have a 30A coach, odds are you also have an Energy Management System (probably Intellitec)that prevents both a/c's from running simultaneously. It will let the fans run, but usually won't allow both compressors to cycle at the same time. That's because 30A is not sufficient to handle the starting load of a second a/c while the first is running.

Usually such coaches are wired so that the generator can supply both a/c's and run them both. The generator capacity is usually greater than 30A and one 20A circuit from the generator will supply the rear a/c while the main 30A circuit powers the rest of the coach, including the front a/c.
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