Q: Can an air conditioner be installed sideways? - diyAudio
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Old 15th August 2003, 03:15 AM   #1
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Default Q: Can an air conditioner be installed sideways?

Hey all

Haven't been around in a long time!!!

Question though... it's ******* hot here lately and i have an AC unit just sittin around because it doesn't fit sideways in the windows here...

Can I install it sideways? If not, then way??

Same thing with my other question... why can't it be run in my house directly? Everyone keeps telling me "because you can't" type answers... i'm looking for concrete facts to tell me why...

i mean couldn't i simply make a little shelf type thing to put the unit on top of? and have a water runoff pipe thing in back? if that's the only thing...

Thanks guys
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Old 15th August 2003, 03:25 AM   #2
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I don't know if you can run it sideways. Maybe sideways pointing up so the water runs out the back. I really don't know how to check if this is safe-you would have to know the path of the water.

As far as a shelf system goes, you should know that hot air comes out the back of the air conditioner. So any shelving situation must separate the hot air coming out back from the cool air coming out front-sort of make an Infinite Baffle for an air conditioner.

Just make sure your back end is up above the slope where the water is supposed to run out, and you should be okay. And remember there are motors in the air conditioner, so the heat from them needs some room to escape.

If you have tall, thin crank out style windows, bear in mind that they do have air conditioners for those. Taking off the crank-out style window so the air conditioner fits in should be easy-just be careful.
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Old 15th August 2003, 03:03 PM   #3
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Default Yikes!

The compressor is usually a sealed unit with an oil immersion bath for permanent lubrication.

Rotating the unit 90 degrees will likely cause oil to leek past the valves and into the refrigerant lines. Allowing the unit to sit upright without running it can usually cure this, unless it was operated while sideways.

Running the unit sideways can force lubricant into the condenser (or is it the evaporator?) lowering the efficiency of the unit. This loss of lubricant from the compressor will likely also lead to early failure.

I'm uncertain about the technical accuracy here, but reasonably certain that this isn’t such a great idea.

-Dave

Afterthoughts and Suggestions:

Perhaps you can get some 6 or 8” hoses and make a hood for the back of the unit to connect them to. A board could be cut to fit in the window opening to attach the other end of the hoses to.

This is of is course assuming that you currently have electricity to read this and to power the air conditioner.

A big plastic bottle or a condensate pump (about $30 at home depot) will be needed to catch the condensate.
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Old 15th August 2003, 03:34 PM   #4
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Default Re: Yikes!

Quote:
Originally posted by Da5id4Vz
The compressor is usually a sealed unit with an oil immersion bath for permanent lubrication.

Rotating the unit 90 degrees will likely cause oil to leek past the valves and into the refrigerant lines. Allowing the unit to sit upright without running it can usually cure this, unless it was operated while sideways.

Running the unit sideways can force lubricant into the condenser (or is it the evaporator?) lowering the efficiency of the unit. This loss of lubricant from the compressor will likely also lead to early failure.

I'm uncertain about the technical accuracy here, but reasonably certain that this isn’t such a great idea.

-Dave

Afterthoughts and Suggestions:

Perhaps you can get some 6 or 8” hoses and make a hood for the back of the unit to connect them to. A board could be cut to fit in the window opening to attach the other end of the hoses to.

This is of is course assuming that you currently have electricity to read this and to power the air conditioner.

A big plastic bottle or a condensate pump (about $30 at home depot) will be needed to catch the condensate.
This last part is exactly what i thought of doing... making some kinda fitting fort he back of the unit, to catch the water runoff and the heat... pass it through a large type tube and out the window...

place the unit very near the window so it's not too bad this way...
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Old 18th August 2003, 07:47 PM   #5
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ok i've figured it out!

I'm going to wrap the sides of the air conditioner around with cardboard... This cardboard will be an inch off the metal side of the air conditioner...

Each cardboarded side will meet up with each other on top of the ac unit. I will attach a washer and dryer hose and have that go outside.

I will cover the back of the AC unit and have another dryer hose and make that go outside... I will then put the AC unit on a slant and have the water drip intoa bucket inside my place.

sound feasable? sounds very very easy!!

I'm going to give this a shot

Diagram:

Code:
 

 Cardboard wrapping around unit


		to window
           _________________________________
           | _______________________________
           | |
           | |
 -------------------------
 |                       |
 | |-------------------| |
 | | |||||  |  |||||   | |
 | | --------------- O | |
 | |      Front      O | |
 | |                   | |
 |-|                   |-|
   ---------------------


           _________________________________
           | _______________________________
           | |
           | |
 -------------------------
 |                       |
 | |-------------------| |
 | | Back              | |
 | |        __         | |
 | |       /  \        | |
 | |       \   \       | |
 |-|        \   \      |-|
   ----------\   \------         To Window
              \   \_________________________
               \____________________________

Back is fully covered with only the hole for a 
way of breathing outside

Think this will work?
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Old 18th August 2003, 08:09 PM   #6
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I'm not sure what you are getting at with the first hose and the cardboard surrounding the machine.

From what I do understand I think you may be headed in the right direction.

For temporarily use this should work fine.

Luan 1/4" plywood would work a little better and still cuts with a mat knife, but the from what I'm guessing the extra 5 bucks might toss you out of budget.

The other thing to watch out for is if 4" hose will carry enough cubic feet per minute over the length of the hose without confusing too high a static air pressure. You might need to increase to 6" hose or use 2 runs of 4" phase to make it work OK. 6" hose is available with a layer of fiberglass insulation.

Depending on what vent settings your AC has and how long you plan on running it, you might be OK with just the hose from the rear.

I also wouldn’t recommend letting this thing run when your not at home.
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Old 18th August 2003, 08:33 PM   #7
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Quote:
Originally posted by Da5id4Vz
I'm not sure what you are getting at with the first hose and the cardboard surrounding the machine.

From what I do understand I think you may be headed in the right direction.

For temporarily use this should work fine.

Luan 1/4" plywood would work a little better and still cuts with a mat knife, but the from what I'm guessing the extra 5 bucks might toss you out of budget.

The other thing to watch out for is if 4" hose will carry enough cubic feet per minute over the length of the hose without confusing too high a static air pressure. You might need to increase to 6" hose or use 2 runs of 4" phase to make it work OK. 6" hose is available with a layer of fiberglass insulation.

Depending on what vent settings your AC has and how long you plan on running it, you might be OK with just the hose from the rear.

I also wouldn’t recommend letting this thing run when your not at home.

hehe to be sure heres another image

Click the image to open in full size.

Basically i would cover the side vents. in the picture above, that's where the wall joins the AC unit.

Then I would also cover the back. At the moment i have 8 foot long hose that's 3 inches in diameter. I'm not sure what the exact needs are of the air coming from the back or the sides... since AC Units don't take air in from outside to cool and throw in the house...

Its more to keep the condensor/compressor, etc... cool i think..
Hence I figure the air intake demands aren't so high?
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Old 18th August 2003, 08:47 PM   #8
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Much clearer. You’ll just need to make sure that you do get enough air to the side vents that the compressor doesn’t overheat. A 1” duct space might be pushing it a bit.

Watch out too that the hoses are far enough apart at the window that the airflow doesn’t short cycle, drawing the hot exhaust into the side vent intake.
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Old 18th August 2003, 09:08 PM   #9
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Quote:
Originally posted by Da5id4Vz
Much clearer. You’ll just need to make sure that you do get enough air to the side vents that the compressor doesn’t overheat. A 1” duct space might be pushing it a bit.

Watch out too that the hoses are far enough apart at the window that the airflow doesn’t short cycle, drawing the hot exhaust into the side vent intake.
didn't think about the seperation gap for the vents... I will
keep that in miond when i put them in the window. Thanks

Hmm So what your saying is that I should maybe put 2 inches on each side of the AC to let air flow? Your right, a 1 inch gap might be too small.
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Old 18th August 2003, 09:15 PM   #10
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Default Where's JoeDirt(cirlce R)?

Yup.

JoeDirt(circle R) is very knowledgeable in HVAC issues; I was kind of hoping the thread would catch his attention so we could get his expert input.
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