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Adding an A/C

silverbullet555
Explorer
Explorer
Good day,

a Dometic brisk air II a/c unit popped up locally for sale. It is supposedly brand new and a takeoff from a new travel trailer someone just bought.

It got me thinking, how hard would it be to add this to the camper to provide some cooling when we are in a location with power?

What potential challenges am I likely to face in the installation that will make this an issue?

I'm thinking I would need to get it for under $400 to make it worthwhile.
1995 Northland Grizzly 860. 2355 lbs of purple goodness! Sold
2005 Lance 845 - Baby Bertha
2007 Chevy Silverado 2500HD Classic CC SB 4WD
Torklift mounts
Torklift superhitch
Hellwig swaybar and 3500lb helper springs
2002 Cobalt 226 "Baby Blue"
10 REPLIES 10

Kayteg1
Explorer II
Explorer II
My factory AC operates at 6.3 amp.
But with AC it is always about starting current.

AnEv942
Nomad
Nomad
Link to Dometic install pdf
depending on model. Lighter than many units at ~75lbs it is also taller at about 13", but over all smaller foot print which is why I have one. Fit within available area. It works well though rarely use
Not knowing structure on your '95 I'd get on the roof and check sag-constant load of 75#+ & bouncing 'could' be issue.
At about 15 amp load I wouldn't share with refer. If you don't change panels possibly breaker style (brand) can be had in a tandem configuration to fit.
01 Ford F250 4x4 DRW Diesel, 01 Elkhorn 9U
Our camper projects page http://www.ourelkhorn.itgo.com

deltabravo
Nomad
Nomad
Here's a video on installing a roof top unit
2009 Silverado 3500HD Dually, D/A, CCLB 4x4 (bought new 8/30/09)
2018 Arctic Fox 992 with an Onan 2500i "quiet" model generator

thomas201
Explorer
Explorer
There are also trim products (wood or plastic) with a wire channel. You can also use a router and roll your own.

silverbullet555
Explorer
Explorer
Kayteg1 wrote:
With lack of wire you can put new one in WIREMOLD
Figuring out new breaker will requiring some more experience.
Or you can tap into existing outlet, but then you will have to be very careful with power management.


Well, I'm getting ready to pull the fridge and have considered changing the A/C panel anyway. If I can find a way to run the wire it might all line up.
1995 Northland Grizzly 860. 2355 lbs of purple goodness! Sold
2005 Lance 845 - Baby Bertha
2007 Chevy Silverado 2500HD Classic CC SB 4WD
Torklift mounts
Torklift superhitch
Hellwig swaybar and 3500lb helper springs
2002 Cobalt 226 "Baby Blue"

Kayteg1
Explorer II
Explorer II
With lack of wire you can put new one in WIREMOLD
Figuring out new breaker will requiring some more experience.
Or you can tap into existing outlet, but then you will have to be very careful with power management.

silverbullet555
Explorer
Explorer
Kayteg1 wrote:
Lot of campers are prewired for AC, what makes the job easy.
Check if your central roof opening is having Romex wires in it.
Sometimes it is separate electric cover next to it, sometimes you have to pull inner shroud.
Also check breaker panel for wire.


No prewire in the opening for the vent. That's a bummer. Breaker panel has 3 spots. Main, GFI and the third one has the refer and 110 RECP.
1995 Northland Grizzly 860. 2355 lbs of purple goodness! Sold
2005 Lance 845 - Baby Bertha
2007 Chevy Silverado 2500HD Classic CC SB 4WD
Torklift mounts
Torklift superhitch
Hellwig swaybar and 3500lb helper springs
2002 Cobalt 226 "Baby Blue"

Grit_dog
Navigator
Navigator
If itโ€™s not pre-wired itโ€™ll be a pain in the ____ and youโ€™d have to get pretty creative to get wiring up into the ceiling and make sure you have a breaker slot available or install a separate breaker.
Iโ€™m thinking surface mount the wire and cover with a trim strip.
If pre wired, itโ€™s a piece of cake. Remove vent, install AC, seal up the connection on the roof, attach the wiring and sit back n enjoy!
2016 Ram 2500, MotorOps.ca EFIlive tuned, 5โ€ turbo back, 6" lift on 37s
2017 Heartland Torque T29 - Sold.
Couple of Arctic Fox TCs - Sold

midnightsadie
Explorer II
Explorer II
X2 lot of rv,s are pre wired, get your vin number and call them, or pull the vent apart and see it its pre wired. p.s payed $800. couple years back .

Kayteg1
Explorer II
Explorer II
Lot of campers are prewired for AC, what makes the job easy.
Check if your central roof opening is having Romex wires in it.
Sometimes it is separate electric cover next to it, sometimes you have to pull inner shroud.
Also check breaker panel for wire.