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 Post subject: Rear and Front AC switch
PostPosted: Sun Sep 24, 2017 6:15 am 
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Joined: Mon Nov 07, 2016 12:54 pm
Posts: 19
OR Year: 2017
OR Model: 376FBH
Member ID: ORF-11215
I have a 2017 376 FBH. I hope my issue is I'm just confused about how the front/rear switch works. For whatever reason the main runs nearly full time while the bedroom unit never runs. I believe the issue could be the bedroom is colder and not cylcing on for that reason while the rest of the cabin remains above the programmed temp so never cycles off. However, it feels like it shouldn't be doing this.

Is there something else I'm supposed to know? I thought the switch (front / rear - whichever was selected) would tell which thermostat would be used in the control of the cabins temp. So if i select the bedroom thermostat (rear) both ACs would cut on once the temp was higher than 74 according to the rear thermostat, my current setting. And if I selected front, then both units would cut on if the temp passed 74 according to the the front thermostat.

Hope I'm making sense!!


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PostPosted: Sun Sep 24, 2017 6:57 am 
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Joined: Sat Sep 24, 2011 8:26 pm
Posts: 4032
Location: Howard County,MD
OR Year: 2012
OR Model: 399BHS
Member ID: ORF-0621
The switch controls power between front and rear (3rd AC) that you most likely don't have.
It does not switch/control which thermostat is in use.
Bedroom and main AC have independent thermostats that can be set to different temps.

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PostPosted: Sun Sep 24, 2017 7:08 am 
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Joined: Tue Nov 29, 2016 4:45 pm
Posts: 414
OR Year: 2017
OR Model: 319RLS
Member ID: ORF-11388
In my unit, the thermostat in the bedroom is off a couple of degrees from the living room thermostat. We set the thermostat in the bedroom a couple of degrees cooler and they seem to work right. The Dometic thermostats aren't exactly "super high quality, precise" devices.

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Moultrie GA
2017 OR 319RLS with gooseneck coupler
2016 RAM 1500 Limited, 4X4, 5.5' box, EcoDiesel with air ride,
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PostPosted: Sun Sep 24, 2017 8:19 am 
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Joined: Sat Mar 12, 2016 3:39 pm
Posts: 55
Location: Columbus, NE
OR Year: 2016
OR Model: RF376FBH
Member ID: ORF-9063
Lantley wrote:
The switch controls power between front and rear (3rd AC) that you most likely don't have.
It does not switch/control which thermostat is in use.
Bedroom and main AC have independent thermostats that can be set to different temps.


Lantley is right on. My 376 is wired so the switch needs to be set to rear for the bedroom ac to run. I do not have a 3rd ac in the front bunkroom so no reason to ever select front.

I set the main ac to 72 and the bedroom to 70. I also keep most all the vents closed in the bathroom and bedroom. They seem to leak enough air to keep those areas cool while pushing more cooler air thru the ceiling ductwork to the front areas. On hot days it seems like the main ac never shuts off.

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2016 Roamer 376FBH
2016 F350 6.7L CC SB
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