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Location of the Cruisair Control Box?
Hello, We have a 1993 H3-40 Marathon Conversion. The Salon Cruisair is not working and we took it to a Cruisair Dealer. They were unable to find the placement of the Control Box, which is between the Thermostat and the Compressor unit, and the Evaporator unit. We have torn apart as many cabinets that we could get into, and have checked with Marathon, which they have no records indicating locations that far back, other than recollections. The front salon has two Cruisair units, and we can’t seem to find either Control Box. We are scheduled to take the coach back in, in a couple of weeks, and hopefully, will be able to find them, with your help!!!! Thank you!!!!
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8 Replies
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TD, no knowledge of your particular unit, but you might start looking in the bays. The guys at Parliament had some bit of trouble finding ours on ’99 shell Vantare. They were in the upper RH corner of #1 curbside bay behind a panel that we didn’t even know was there. Geo. ps. maybe Tom Hamrick or Chuck will chime in. Guys ?
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Moved duplicate thread.
11/4/2014 12:37:09 PM
Jon 
All you that have older Marathons, any suggestions where to start looking?
Perhaps on the top of a bay?
Jon and Di 2006 Liberty Elegant Lady 2005 H2 Hummer
Knoxville, TN
11/4/2014 1:31:18 PM
darrell
Right Jon On my Marathon I had back in the 90’s the controls were in the top of bay #1
Darrell Graham ’05 Thompson w/no-see-um rivets -
I have roof air, so I am no help.
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If the second bay is not a through bay from one side to the other, I would look there. Block the coach up for safety and crawl underneath with a light and look up through the center wire/screen mesh and you may see at least two metal boxes. They may also be between the side by side 3rd bay compartments as well. But I should add this is based on my Liberty H3. I have no experience with Marathons. Good hunting.
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for the control box I would look under a couch or bed or behind a cabinet in the living area of the coach.
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On our 98 Vantare H (97 chassis) both control boxes were in the first bay passenger side on the very top of the forward wall… there was a panel about 12″ deep with screws… had to look closely to see it.
Diane
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My SMX control unit is in the kitchen sink cabinet on the forward wall of it at the top all the way back next to the outside wall.
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TD,
Hopefully someone with an older Marathon will jump in here. Each converter did things different, so I doubt anyone other than a Marathon owner can help you. Mine is newer than yours, but I thought maybe this will help.
My 2 salon and aux cruisairs are behind the front bumper 106 & 107 with control units mounted to ceiling.
My galley and bedroom cruisairs 108 & 109 are in the first bay curb side with control units mounted to side wall behind a removable panel.
The control boxes should be fairly close to the condensing units.
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