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rewire an air conditioner?

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Forum topic by bandit571 posted 1106 days ago 1421 views 0 times favorited 16 replies Add to Favorites Watch
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bandit571

6706 posts in 1289 days


1106 days ago

If possible. I have on hand a 220V unit (window) that I’d like to rewire down to 110V. Unit has one of the two prong (plus a ground prong) set-up for 220V. I don’t have an outlet available for the 220 plug.

-- A Planer? I'M the planer, this is what I use


16 replies so far

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Grandpa

3057 posts in 1281 days


#1 posted 1106 days ago

Does the unit say it will run on 110V ?? I am not sure I have ever seen an air conditioner that would run on both. Maybe lots of them. I am just not familiar with them. The first thing would be to make sure it will operate on 110V. Look into the box or near the box where the cord goes in and see if there is a schematic there that tells you anything.

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rkevins

71 posts in 1536 days


#2 posted 1106 days ago

I don’t remember ever servicing a window a/c that was dual voltage, not to say they don’t make them as grandpa said you need to look at the diagram or in the manual to find out.

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dbhost

5378 posts in 1838 days


#3 posted 1106 days ago

Never seen a dual voltage air conditioner. You might have to pull 220V or find a different AC…

-- My workshop blog can be found at http://daves-workshop.blogspot.com

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GMman

3902 posts in 2303 days


#4 posted 1106 days ago

If it is 220 the prongs are not straight they are at an angle.
Does it say 220 on it?

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Grandpa

3057 posts in 1281 days


#5 posted 1106 days ago

I have seen 220V circuits for air conditioners that had 3 prongs on the plug. One round ground like all 110v today uses, one straight up and down (verticle) like all 110V uses today and the third prong was flat but horizontal (opposite of the other flat prong). Those are available and are usually rated at 20 amps.

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GMman

3902 posts in 2303 days


#6 posted 1106 days ago

Can we see the plug on the end of the cord?

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Grandpa

3057 posts in 1281 days


#7 posted 1106 days ago

cr1, that works only if the 110v circuits are out of phase. If you happen to get lucky you will get 220V and if not you get 110V

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bandit571

6706 posts in 1289 days


#8 posted 1105 days ago

It was just an idea. The only window this beast will fit is in the kitchen, right above the stove. there are two 220V circuits right under the window. One for the oven/stove, the other for the dryer. Dryer is a three wire set-up, stove is a four wire set-up. Possible to use an old dryer cord to re-wire the a/c for use?

-- A Planer? I'M the planer, this is what I use

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mrg

520 posts in 1605 days


#9 posted 1105 days ago

If you already have an outlet wired go to the home store and get the correct receptical it’s a 10 minute job.

-- mrg

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bandit571

6706 posts in 1289 days


#10 posted 1105 days ago

stove and dryer still in use, can I pig-tail two wires out to another box?

-- A Planer? I'M the planer, this is what I use

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Grandpa

3057 posts in 1281 days


#11 posted 1105 days ago

Possible but then there is the risk of a problem. pigtail 3 wires out. Than that take a smaller wire out into the open and you are attaching to a 30 AMP breaker for power….....I wouldn’t give advice to do this

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bandit571

6706 posts in 1289 days


#12 posted 1103 days ago

unit will be in the next yard sale. I have a “loaner” that runs on 110V that is installed right now.

-- A Planer? I'M the planer, this is what I use

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Jim Jakosh

11099 posts in 1711 days


#13 posted 1103 days ago

I’d put a new 220 receptacle in and run it off that! I have never seen a 220/110 air conditioner.

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

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Bertha

12951 posts in 1299 days


#14 posted 1103 days ago

I’m with Jim. I’ve never seen a dual voltage either; and I’ve looked!

-- My dad and I built a 65 chev pick up.I killed trannys in that thing for some reason-Hog

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acducey

65 posts in 1111 days


#15 posted 1102 days ago

All you have to do is evacuate the unit, change out the original compressor and capacitors, rewire the new one, replace the refrigerant, and install a different plug; a piece of cake.

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