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(Moderator:
Nick Badame Refrig/ACC
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roof airs
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Topic: roof airs (Read 2911 times)
Busnut83
Full Member
Posts: 190
roof airs
«
on:
November 21, 2011, 08:39:38 AM »
I am working on a 98 prevost,,, it has 4 roof airs,,, my problem is only 2 have controls...
the coach has 2 wall thermostats but they must not be connected... question- the roof air with no controls are the vents or are they air conditioners?
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Nick Badame Refrig/ACC
1989, MCI 102C3, 8V92T, HT740, 06' conversion FMCA# F-27317-S "Wife- 1969 Italian/German Style"
Global Moderator
Hero Member
Posts: 4973
Nick & Michelle Badame
Re: roof airs
«
Reply #1 on:
November 21, 2011, 03:42:02 PM »
Hi Busnut83,
You may just have dometic penguins that are controlled by the dometic comfort control center t-stst..
If so, each t-stat [comfort control center] will control two roof units via the zone button on the bottom
of the t-stat. Push the zone button and either zone 1 or zone 2 will display set points.
Without more info, this is all I can offer.
Good Luck
Nick-
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Whatever it takes!-GITIT DONE!
Commercial Refrigeration- Ice machines- Heating & Air/ Atlantic Custom Coach Inc.
Master Mason- Cannon Lodge #104
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Joe Camper
Hero Member
Posts: 666
Re: roof airs
«
Reply #2 on:
November 22, 2011, 03:52:26 AM »
Agree with Nick but all the motorhome prevos would not be like that only entertainers.
ALSO
Are you sure the 2 thermostats you are looking at arent for the webasto or the aqua hot to control the 2 different cabin zones?
Who did the conversion
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Busnut83
Full Member
Posts: 190
Re: roof airs
«
Reply #3 on:
November 28, 2011, 09:15:19 PM »
dont know who did conversion.... bus sold as a team bus...
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Joe Camper
Hero Member
Posts: 666
Re: roof airs
«
Reply #4 on:
November 29, 2011, 04:54:08 AM »
I can only asssume by that answer that it is probably an entertainer coach and you did not get any documentation on it.
Did you figure out the thermostats or not??
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Busnut83
Full Member
Posts: 190
Re: roof airs
«
Reply #5 on:
December 05, 2011, 05:56:26 PM »
wall thermostats dont control any... they are dometic pinguins... one controls the nearest one without any controls.. ..
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Joe Camper
Hero Member
Posts: 666
Re: roof airs
«
Reply #6 on:
December 06, 2011, 07:24:18 AM »
They have to have d/c 12 volts to the thermostats or they will not work.
Are the displays blank or are they reading something. That will verify if they have d/c.
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Busnut83
Full Member
Posts: 190
Re: roof airs
«
Reply #7 on:
December 06, 2011, 09:32:59 PM »
thermos are blank.
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Joe Camper
Hero Member
Posts: 666
Re: roof airs
«
Reply #8 on:
December 07, 2011, 04:59:18 AM »
OK then that is actually good news it will be easy to fix there is a d/c fuse to them that is burnt.
I would guess the dc distribution panel is up above the driver over the drivers side window/door. Open up that compartment and look for a spade fuse that is blown it will most likely be a small one 8amp or so. Usually they have things marked pretty well if you have what I think you do. If they are not marked go thru the fuses with a continuity tester till you find a bad one.
Are the tanks level sensors working or are they out too. I have seen them on common circuts with the thermos.
Once you get 12 volts to the thermostats your a/c's will begin to work. That is of course, unless that the a/c circuts powering them are not on or functioning correctly either. But they probably are just make sure you have the a/c breakers for the air conditioners on.
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ruthi
Hero Member
Posts: 1097
Re: roof airs
«
Reply #9 on:
December 17, 2011, 09:10:44 PM »
Tom, your funny, ha ha. Ed, I have been really good this yr, and I talked to Santa, he said you all can forget it, you been baaaaaad!
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Mixed up Dina, ready for the road as of 12/25/2010
Home in middle Georgia, located somewhere in the
southeast most of the time.
FIRST RALLY ATTENDED: BUSSIN 2011!
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