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Old 08-25-2015, 01:16 PM   #1
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2nd A/C unit - thermostat and damper?

I have a 2016 Silverback 33IK and opted for the second A/C unit in the bedroom. The t'stat breaks the camper into 2 zones, and I can see the sensor in the bedroom to control that zone.
when either A/C unit goes on, air comes out of ALL diffusers - so it's not really a zoned system, is it? It looks like they use both units to cool of the camper quicker, but you do not have true zone control. We like to keep the bedroom colder than the rest of the camper. Is it possible? There would have to be a damper or baffle to control air flow in the duct between the two units.

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Old 08-25-2015, 01:24 PM   #2
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There's a big oval loop of duct in the ceiling ... the rear air sits on top of one hole in the ductwork towards the rear ... the front air sits on top of another hole in the ductwork towards the front. Both A/C's share the same ductwork with no way to block off the bedroom in itself. I guarantee if you run both A/C's with the bedroom door closed, you be able to make popsicles in there. I always need to run the temp in the bedroom colder for zone 2 as the sensor more so picks up air blowing near it should you have the difuser aimed in that general direction. I also have a 33IK and if you get in temps over say 95 and sit in full sun, you'll need the second A/C to keep the whole fiver cooled down let alone the bedroom.

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Old 08-25-2015, 07:00 PM   #3
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I have a 34RL and this to has two A/C units installed. What I like about this system is at night we can shut off the front A/C and just use the rear unit to keep the camper cool. I run the A/C fan on low during the night to move the air around the camper.

You can control the sound level of the A/C units by turning off the rear unit in the evening and using the front unit when watching TV at night. This way both units can be used to cool the RV together or alone as needed.

We did this at the FROG Rally in Goshen this year since we could only use one A/C, just 30 AMPS were available to use.
Jim W.
2016 34RL CC; 2008 Ram Mega Cab 2500HD, 6.7L, 68RFE 6 speed, 4X4, Smarty S67
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