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Old 10-27-2013, 11:33 AM   #1
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A/C, Heat Question

I have a 2001 Itasca Suncruiser. With the heat set on electric, which vents should the heated air be coming out? The floor or ceiling?
When I have it on LP heat comesm out the floor vent, but on elect. it comes out the ceiling vents.

John & Marcia, Lola Boston, Charley Rescue
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Old 10-27-2013, 11:53 AM   #2
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That's how it's designed. Gas heat blows from the floor, heat pump(basement) blows from the ceiling. Sometimes they both blow at the same time.

Kent & Sue & Pecos
2010 Allegro Bus 43QRP
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Old 10-27-2013, 02:09 PM   #3
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Is the '10 basement or roof air? In any case, the ceiling vents are for the heat pump and the floor vents are for the gas furnaces. If the temps outside start to fall below around 39 degs (depending on the system design) a 6 deg differential factor will kick in. The gas heat will fire up as the interior cools to 6 degs below the set temp. The heat pump is disabled below the design low cool point.

If you have basement air be sure to inspect the rear riser for joint tape separation. Laying under the rear of the coach with a flashlight is one way. I discovered the problem on my last coach when I saw condensation on the rear shroud near the ladder. It was a challenge to get to but with DWs help, tie wraps and aluminum duct tape we got it fixed.
Rick & Melissa Young, 2011 Itasca Meridian 40U, Frtliner XCL, Cummins ISL 380HP/DEF, Allison 3000 MH, 2014 Honda CR-V, SMI AF1, Blue Ox, EEZ TPMS, TruCenter steering control
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