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Old 03-20-2016, 12:44 PM   #1
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heating and air problems with 2016 grand design

when I turn on furnace the air conditioner also comes on. Anyone heard of this before?

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Old 03-20-2016, 12:52 PM   #2
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Bet it is just the A/C Fan coming on (not compressor)

Check FAN setting on thermostat

Should be in AUTO vs HI or LO

If not in AUTO fan will run with furnace operation

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Old 03-20-2016, 01:53 PM   #3
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^what he said
Rich,242014 wildwood 27RLSS travel trailer
2005 Chevy Silverado 2500HD crew cab
2005 GMC Sierra 3500 single cab dump
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Old 03-20-2016, 05:30 PM   #4
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Yep,,, what they said... Our new Cougar will do that if you leave it on Auto.... Turn it on Furnace only....
Monkey, pilot of a Great Dane hauler,
2015 Silverado 2500 Duramax/Alison 4x4 CrewCab 2016 Cougar 28SGS
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Old 03-20-2016, 05:48 PM   #5
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Yep what everyone else has said. We had to case that down years ago as well
Montana Mountaineer 345DBQ
2016 Ford F-350 DRW -- Retired 2002 F-350 DRW
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Old 03-21-2016, 04:17 PM   #6
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grand design 29rs ac and furnace problems

Thanks to all who answered post. Since I am new to the grand design 29rs I have a lot to learn. The problem with the air conditioner fan and furnace was the fan setting. Put it on auto and the world is great.
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Old 03-22-2016, 09:53 AM   #7
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If ever you have a question, you can call Grand Design customer support directly. They're great at answering questions, or sending parts if something needs to be replaced and you don't want to go to the dealer. Thus far I've been sent a fireplace, door handle, three light fixtures, two snaps, and a handful of self tapping screws. I actually called them half an hour ago to find my exact tank sizes since we're going to a campground without water hookups this weekend.

Copied this from the GD Owners forum. It helps if you have your VIN at times. That way they can look up the exact parts on your RV.

- Customer Support (direct) at (574) 825-9679
- Email: customerservice@granddesignrv.com
2015 Laramie 3500 Mega Cab 4x4 DRW Maximum Steel
Aisin | 4.10 | 5th/Goose Prep | Air Assist | 37,800 GCWR
2015 Grand Design Solitude 365DEN
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Old 03-22-2016, 10:07 AM   #8
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Grand design also has a forum:
Grand Design Owner's Forum

It's fairly active and monitored by GD support.

Likely a GD will be my next RV if their support continues.
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Old 03-22-2016, 10:53 AM   #9
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It's been great for us. We're about to take it in tot he dealer for the first time. Our second black tank flush has a leak. That's the first thing I'm not ready to work on myself lol. Took less than a week to get in though.
2015 Laramie 3500 Mega Cab 4x4 DRW Maximum Steel
Aisin | 4.10 | 5th/Goose Prep | Air Assist | 37,800 GCWR
2015 Grand Design Solitude 365DEN
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Old 03-23-2016, 11:20 PM   #10
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Good choice on Grand Design. I've had my GD Solitude for three years now, and couldn't be happier..

2014 Grand Design Solitude, 369RL, #107
2016 Chevy 3500HD, SRW, Diesel/Allison
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ems, heat, heating, problems

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