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Split System Air conditioner

Why would my air condtioner be leaking from the wall unit?

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  • fixya768 Oct 29, 2008

    My wall unit has a plastic box in the wall and the drain pipe drains into this box. is this correct? the box has two open drains on the left and right inside, I  gets a damp patch on the right side. do i block the drain in the box or join the tube from the air con unit to the left drain in the plastic box in the wall.

  • Anonymous Mar 31, 2014

    GLOBAL SPLIT WALL UNIT AIR CON

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There normally two types of leakages from the wall unit.
1.The warm air in the room when comes in contact with the cooling coil of heat exchanger (consisting of fine fins where compressed refrigerant evaporates) looses its heat & cannot retain the same moisture content at lower temperature at the point of contact with evaporator. There is a provision of a drain pipe to carry this condensed water to outside water drain. So if the drain pipe is choked or the coupling joint of the drain pipe at the bottom of cooling coil is not proper, there will be water leakage, This can be easily attended by physically looking at the fittings.
2.The second problem can be the leakage of the refrigerant. If there is second type of problem, then there will be very little or no cooling irrespective of continuous running of air conditioner. This can be easily checked by feeling the temperature of outlet air from the air conditioner.

Conclusion-As you have written that there is leakage from the air conditioner, but you have not written whether it is visible or invisible. If the leakage is visible, it is problem number 1 & if it is invisible, it is problem number 2.

If you are not satisfied you are free to ask for more explanations.

Posted on Jan 29, 2008

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If it is water leaking check the indoor drain pan if overflow with water.If the pan is overflow with water then you need to clean your drain pan and drain pipe. While the unit is operating check the drain pipe if water drip, if no water coming out from drain pipe you need to flush it with water to flush out the restriction.
Try also to check if no icing build in the evaporator fins. If icing is present then you need to clean your indoor evaporator pins and air filter. But if it is clean and still icing is present then your unit is out of gas.




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Posted on Jan 29, 2008

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