TrailManor Owner's Forum - View Single Post

**Bill** · 10-05-2021, 02:42 PM

I found it, too, but I am slower than Dick. As he noted, the thread is

https://www.trailmanorowners.com/for...ead.php?t=7477

and Harvey's posts are #11, #13, and beyond. Unfortunately, the pictures are missing. I hate those external super-duper picture hosting sites that disappear in the middle of the night, and take your pictures with them. But that's a rant for another day.

The idea is this. A window air conditioner has two physical halves - a front half and a back half. In normal household use, the front half protrudes into the room, and the back half sticks out the window. There is a reason for this.

The front half takes in room air either through the grille on the front (usually near the edges) or on slots on the side, near the front. It cools this indoor air, and then blows it back into the room through the front of the unit.

At the same time, the back half takes in outdoor air through the back, or through slots on the side but near the back. It heats this outdoor air, and blows it back outdoors.

It should be obvious that you need to keep these two air paths separate. When you install it in a TM, the back half doesn't protrude outside, but you still need to direct the air in the rear air path outside of the TM. In particular, you must not allow any of that hot air from the rear path to enter the TM.

What HarveyRV did was to grab a sheet of aluminum flashing, and cut it and bend it so it would direct the rear half airflow into the unit and back out through the side of the unit, while the unit is mounted in a TM. None of the rear half airflow was allowed into interior of the TM.

The details of how to cut and form the flashing were in the missing photos. Not a big loss, because the details will be different for any other make/model of air conditioner, because the grilles and slots are in different places. You need to bend and cut the flashing to match your air conditioner, not his.

So as long as the air conditioner fits in its proper location, and you are a bit inventive, you should be able to do the same.

Bill

10-05-2021, 02:42 PM	#5
Bill Site Team Join Date: Feb 2003 Location: The mountains of Scottsdale, AZ, and the beaches of Maine Posts: 10,105	I found it, too, but I am slower than Dick. As he noted, the thread is https://www.trailmanorowners.com/for...ead.php?t=7477 and Harvey's posts are #11, #13, and beyond. Unfortunately, the pictures are missing. I hate those external super-duper picture hosting sites that disappear in the middle of the night, and take your pictures with them. But that's a rant for another day. The idea is this. A window air conditioner has two physical halves - a front half and a back half. In normal household use, the front half protrudes into the room, and the back half sticks out the window. There is a reason for this. The front half takes in room air either through the grille on the front (usually near the edges) or on slots on the side, near the front. It cools this indoor air, and then blows it back into the room through the front of the unit. At the same time, the back half takes in outdoor air through the back, or through slots on the side but near the back. It heats this outdoor air, and blows it back outdoors. It should be obvious that you need to keep these two air paths separate. When you install it in a TM, the back half doesn't protrude outside, but you still need to direct the air in the rear air path outside of the TM. In particular, you must not allow any of that hot air from the rear path to enter the TM. What HarveyRV did was to grab a sheet of aluminum flashing, and cut it and bend it so it would direct the rear half airflow into the unit and back out through the side of the unit, while the unit is mounted in a TM. None of the rear half airflow was allowed into interior of the TM. The details of how to cut and form the flashing were in the missing photos. Not a big loss, because the details will be different for any other make/model of air conditioner, because the grilles and slots are in different places. You need to bend and cut the flashing to match your air conditioner, not his. So as long as the air conditioner fits in its proper location, and you are a bit inventive, you should be able to do the same. Bill __________________ 2020 2720QS (aka 2720SL) 2014 Ford F-150 4WD 5.0L Bill's Tech Stuff album