A/C fan switch

Alan_Ellis · April 2017

New used T@B S (2015) owner here. There's an On/Off button near the A/C. I can hear a fan when I turn it on but what does it actually do? I looked in the owners manual which is no use whatsoever Thanks for the help.

Nomad · April 2017

That is to be turned on when you run the air conditioner - There's a fan that exhausts or intakes air (depending on who you ask) for the AC ... There's a black vent protruding out the top of you're T@B, that's where the air is taken in or exhausted.

Tabaz · April 2017

Search "how to remove the air conditioner" for photos of the fan. The side vents on the AC take in fresh air. The rear vent expels hot air. That's why you see the foil tape at the rear of the unit - to prevent the hot air being drawn into the side vents. The fan sucks in fresh air from the roof for the side vents.

Nomad · April 2017

That's what I always thought Frank but one thread dusputed that, hence my comment :-)

Homebodyatheart · April 2017

Ahhhh something new to teach my dealer! We were told at the walk through that you switched it on for fan only from the a/c. Didn't exactly make sense to me, now I know why.

KBaggins1 · April 2017

Our 2014 does not have that switch. It has the black vent cap above on the roof. The AC is very inefficient for such a small trailer. Sounds like adding this fan would be a good idea.

ericnliz · April 2017

@Homebodyatheart, If you look at the face of your A/C unit, there is a fan only setting on the A/C itself. Agree with @OutbackAZ and the separate fan switch on the wall. You'll notice a big difference on a hot day when you're using your A/C and you turn the auxiliary fan switch on the wall to the "on" position. @Dalehelman and a few others have put directional vents on the outside A/C vent cover to assist with the air flow as well. Don't recall the thread it was on, but from what they were saying, it increases the efficiency quite a bit.

ericnliz · April 2017

@Alan_Ellis, It's the Zombie alert button!

Just kidding.

Note: press only when totally surrounded

wizard1880 · April 2017

Do the newer models with the A/C unit on the floor also have this fan? Or is it limited to wet bath models?

Tabaz · April 2017

Kbaggins - I would strongly suggest you add the vent fan. It's only a computer cooling fan. Just make sure the airflow arrow on the fan housing points down (into the A/C cabinet). Also add the two vent deflectors on the outside grill when using the A/C.

Raschko · April 2017

I have a 2016 with the a/c on the floor. Only fan switch I can find is for the fridge.

PhotoJoe · April 2017

Does anyone have a picture, or sorce,
of these directional vent deflectors? This is the first I've heard of them.

Thanks,

Joe

Sharon_is_SAM · April 2017

PhotoJoe, Search Air Conditioning Change Out Part 2 for a picture of the deflectors. I think PopTab and Dalehelman both use them.

Sharon

Sharon_is_SAM · April 2017

This thread has more info on the AC removal with photos of the various items in the compartment.

https://tab-rv.vanillacommunity.com/discussion/3564/air-conditioning-unit-change-out-part-2-ac-cabinet-modification/p1

PhotoJoe · April 2017

Thank you Sharon

Alan_Ellis · April 2017

Thank you!

A/C fan switch

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