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Old 12-10-2015, 12:04 PM   #401
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Nice metalwork. Very cool bumper.
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Old 12-10-2015, 07:19 PM   #402
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Great job!

Lights going in behind the expanded metal?
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Old 12-11-2015, 02:43 AM   #403
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Great job!

Lights going in behind the expanded metal?
Haven't decided yet. While they look good, the mesh is to tight to get good light transmission. I am seriously considering taking the destination window out and making an alcove for a LED light bar both front and rear as well as clear lenses on the red and amber.
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Old 01-01-2016, 06:18 PM   #404
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Been working on finishing the bumper and will get pics when installed. In the mean time I began constructing the solar panel rack and will get pics on that in the future. The one thing I do have pics on is the adapter to convert a window unit A/C unit to a varmint mounted central air unit. I removed the front of the unit to expose the evaporator (intake) and forced air side (exhaust).



Then build a frame to accept the adapter.



A face frame of the adapter box is made and the partition pieces are welded in.


The back is welded into place, holes cut for vent pipes and pipes installed.







Pre assemble before checking the fit to set up the mount for the adapter box. When finished I'll be able to remove the A/C unit for service and all the ventilation piping will stay in place.

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Old 01-01-2016, 09:10 PM   #405
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Can already feel the cool
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Old 01-01-2016, 10:26 PM   #406
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Outstanding design and work! Nice conversion to central.
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Old 01-02-2016, 05:55 PM   #407
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I have heard of using a window unit for central air on a bus, but I no idea what they were talking about. You showed the process with 6 pictures and just a small amount of text. Thanks so much for keeping it simple yet showing all of the important steps. I hope you will do the same on the install. Thanks again!
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Old 01-03-2016, 02:38 PM   #408
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I got the adapter box mounted in the basement frameworks. For now I'm just getting the hardware in place. When I do the final install, I'll put a rubber shim between the frame rails and the mounts to attempt to soften vibration a bit. I simply don't have enough room to put in some big squishy isolators. I'm hoping the woods used in the floors and walls will help dampen noise as well. Yea, I know, hope springs eternal. I'm thinking even if there was no isolation it can't be as bad as the window A/C next to my head rumbling the wall at night in my house. I got accustomed to that so this should be a piece of cake.
Here's the box installed before attaching the A/C.





Next bolt on the A/C unit.









Then install the service cover to protect the condenser foil.


When I do the final install I'll shorten the power cord and extend the control panel wiring. For those concerned about the fan being able to blow up into the cabin I'm going to install an inline booster fan wired into the blower circuit. This is on the shaded side of the bus so the A/C unit is in the coolest location possible. The solar panels will shade the center of the roof and I'm looking into ways to create a second skin with an air gap on the exposed part of the roof to reduce heat load.
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Old 01-03-2016, 03:04 PM   #409
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What BTU is the unit you're using? What's the BTU of a rooftop unit that would traditionally be installed?

I love the idea of a window unit since they are so much cheaper than a roof top and will probably last much longer out of the elements.
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Old 01-03-2016, 03:28 PM   #410
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What BTU is the unit you're using? What's the BTU of a rooftop unit that would traditionally be installed?

I love the idea of a window unit since they are so much cheaper than a roof top and will probably last much longer out of the elements.
This is an 8000 btu unit. Must rooftops are 13,500. While 8000 seems undersized, remember this is not in the worst location possible for an A/C unit with the sun beating down on it at the worst possible time when it's needed the most. Also, RV' are, for all practical purposes, not insulated and very drafty. Well be zone cooling via ducts. While in the living dining area during the day we'll cool that area, at night direct the cooling to the bedroom. The reason for our choice of unit was also due to it being the largest 110V unit I could get locally. I don't want to wire our bus for 50 amp.
Keeping it small and simple.
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