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Old 05-27-2009, 09:17 PM   #1
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1990 36' Land Yacht
Nelsonville , Ohio
Join Date: May 2009
Posts: 3
How to run both roof air units

Newbie here guys!! I just bought a 1990 36ft Land Yacht... LOVE IT... I can only get one AC unit to work at a time... I did eventually find the switch in the cabinent above the sink to switch between the front and rear units... initially thought the back unit was bad but it works!! Owners manual says both ACs can work when Gen is running.... any ideas???

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Old 05-27-2009, 10:51 PM   #2
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1989 34.5' Airstream 345
Cleveland , Tennessee
Join Date: Jul 2007
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The generator must run to use both A/C units. This is by design as the 30 amp power cord can't handle the higher power use. You must rewire for 50 amp cord if you want both units running together. I don't think the cost is worth the conveinence. I try for shadier areas to minumize needing both units.

"Sometimes I wonder if the world is being run by smart people who are putting us on, or by imbeciles who really mean it." Mark Twain

AIR 22749 WBCCI 2349 NOVA TAC TN-6
1989 345 LE Classic Motorhome
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Old 05-29-2009, 08:59 AM   #3
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1990 36' Land Yacht
Nelsonville , Ohio
Join Date: May 2009
Posts: 3
Ok.. I do remember reading that... but when I have Gen on it will only run one at a time... is there a switch or something that I am missing? I have located the one above the galley... I thought the rear air didn't work until I found the switch..I flipped it and the rear air started working.. but then the front air doesn't work.... I am assuming there is another switch or something??

I am a newbie....I appreciate the help!!
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