Question about Panasonic CW-XC243HU Air Conditioner

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CW-XC243HU A/C Water Spray

I have water spraying out of the fan side of the unit which appears to be thrown by the fan due to water not draining from the base pan. I tilted unit back but this did not solve the problem. Please offer any advice you may have to solve this problem. Thanx!

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Re: CW-XC243HU A/C Water Spray

I would believe your problem maybe caused by lint or other material plugging up the fine fins of the inside of the condenser. Once you are able to see past the condenser(rear) fan blade, all the fins should be as visible as the exterior ones. The A /C unit needs to be removed from the wall/window to remove all the exterior cabinet screws or some may simply pull out of a sleeve to check for this. The shroud around the condenser & screws holding the condenser to the base need to be removed. It may then be able to swing it slightly away from the base to enable you to wire brush the lint down & away from the soft fins &/or wash it out with a water hose, do not kink the tubing. Fins can easily bend & cut. The fan blade could be re-mounted, if it was loose, at this time & it would sit somewhere half way inside the shroud. Once the condenser & shroud are remounted the fan blade should spin freely

Posted on Dec 02, 2007

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Re: CW-XC243HU A/C Water Spray

Hi, It probably needs cleaned. Window units naturally create water in the evaporator area. The water is suppose to drain to the back of the unit through passage ways to the condensing area where the slinger ring on the condenser fan blade slings it into the condenser coil making it more efficient. There is usually a drain hole to drain excess water from the back of the unit. Any dirt or algae in the pathway of this water or the wrong tilt will cause water to build up and drip or blow out the front. Anything touching the evaporator coil allowing water to run down the obstacle into the wrong area will cause the same thing. reduced air flow will cause the evap to freeze which could also cause a water problem. Since the tilt is right and it doesn't seem to be freezing, Maybe a temporary increase in tilt and a dropper of bleach at the base of the evaporator would do it. This will kill the algae and may unblock the water flow. NOTE: It may also cause stains on a carpet or floor if the bleach water drips onto it. If you want to pull it out and clean it, most units can be pulled out of the housing and sprayed with a water hose but you need to be careful not to get water in the electrical parts of the unit. They can be covered with plastic or foil. Make sure you unplug the unit before trying to remove it. You may have to remove some screws to remove it from the housing. Hope this has helped. kstfas

Posted on Sep 19, 2007

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To do this, the traditional fan blade was replaced with a 'sling blade' which was a fan blade with a rim or ring around it. The drain plug or drain hole in the bottom of the pan was eliminated and replaced with overflow notches in the back edge. Along with a solid piece drain pan, this provided a pool of water for the edge of the sling blade to dip into and pick up water to 'sling' or spray around the compartment to create evaporative cooling. The overflow notches established the maximum depth of the water pool and are also the lowest place when installed properly.

Although this is more efficient, this has caused 2 problems: increased noise as the water is slung around and water spray from the side air vents.

Persons have drilled holes through the pan or back edge as drains. This is not recommended as it negatively effects the colling ability of the unit and could lead to a voided warranty or premature failure.

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