Just a little more on that installation.
After once getting the a/c on the roof and located directly (centered) over the hole, it was time to pull the 110VAC wiring over to the unit in anticipation of installing the Dometic ceiling kit. Since ours was prewired, I did need to make sure that Keystone supplied the correct 20 amp breaker and actually put power to that box - they did. The box that was supplied, for no better term, was junk (cracked) and was not even fastened on one end. A trip the local Home Depot for an old work box, the larger of the two sizes, a 20 amp receptacle and a cover. That receptacle was used instead of wire nuts and IMO, a lot more substantial connection in an RV. I used a 2 foot piece of 12awg to continue the line to the a/c ceiling kit - where I did have to wire nut to that connector set.
The ceiling kit is pretty easy to install as the inner pan and 4 bolts pull the a/c down on the supplied gasket. It is supposed to be torqued to 50 in lbs but I had to do a bit more for complete comfort level and enough gasket compression. You do need an extra pair of hands for a few minutes installing the pan. The a/c plugs into a 6 pin connector.
I also added the 5600 Btu heat strip which plugs into a 4 pin connector. Unfortunately the instructions with this strip are pretty generic and the base pan is not pre drilled but they do have a drawing of about where it goes plus the hookup cable is only a certain length so that was my guide for this.
Finishing up - the cover is screwed in a couple places to the base pan and additional screws just fasten to the ceiling.
Plugged the trailer back in (yes, for safety's sake,
all 110VAC power is disconnected) flipped the breaker, turned the knobs and voila - the fan worked. Since we are only hooked to 15 amps at home couldn't try the a/c or heat but this past weekend found it blew a wealth of well cooled air and found that the heat strip would pump some Btus.
This is my parts list:
- Dometic 640315CXX1C0 Penguin II Polar White Low Profile Rooftop Air Conditioner
- Dometic Brisk Air II Non Ducted Ceiling Kit 3314851.000
- Dometic 3101121.030 Brisk Air Accessories Heat Kit
- Deep old work box
- 20 amp receptacle
- 2 feet 12 Awg romex
Total cost to me - about $740 - $750
The first three items were from AMAZON (the a/c is a
LOT more expensive at this writing - about $175 with the other two, about the same as I paid)
Not a difficult project but it will take you 3-4 hours plus you will need another strong back and a pair of hands for a part of the project. Any moderately skilled DIYer with a very few tools can do this project. And before you ask, no, I did not take any photos during the mod but will try to take a few of the finished job this coming weekend
. Of course he is about 6'6", former college football player and a coach at the local high school - and worse, half my age. Oh and he competes at the local Scottish Games, tossing the caber (a 19'6", 175 pound former tree)
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