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Wall mounted ac exhaust closed or open.
Newer models will just have a button in place of the damper labeled as exhaust.
After the smell or the smoke is.
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Favorite answer if some one has smoked inside the a c room you open the exhaust to let the smoke be exhaust out of the room gradually or to remove any oder smell.
This maintains a good balance of new air but also keeps the unit from working too hard.
Personally i don t see why they.
Also called the damper switch the vent in older windows and wall mounted ac units look like a tiny black knobs in the air inlet grill from where cold air is being blown into the room.
I was living in china and concerned about what the air was doing to my health so i started building diy air purifiers and doing air quality tests in china.
Usually the idea setting is half open half closed for recirc outside air.
When i was doing those tests i encountered two questions abo.
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Depending on the make and model of the ac the control may be a button sliding lever or pull out lever.
Closed just recirculates inside air.
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Step 3 press the control button slide the lever or pull the lever to open the vent.
Pulling on the damper opens the vent while pushing it in closes it.
Christopher powell jul 22 2017 11.
Grounded three prong power cord.
When the exhaust is open the air coming from the ac is cooler than it is when the exhaust is closed.
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Open draws in some outside air.
However there is better blowing power when the exhaust is closed.
They tried to keep their mixing boxes so they would pull half half.
Locate the open close vent control.
Comfort zone 16 in.