The lg 12 000 btu portable air conditioner model lp1220gsr does not require you to put water in it.
Lg portable air conditioner 12000 btu lp1215gxr.
Condensate may collect in the internal water collection tank at the bottom inside the air conditioner and will need to be drained out when it gets full but the air conditioner does not use water to cool.
Find pictures reviews and tech specs for the lg lp1217gsr 12 000 btu portable air conditioner.
It does not work with water.
Since the lg 12 000 btu 7 000 btu doe 115 volt portable ac w dehumidifier function and lcd remote in graphite model lp1215gxr or other portable air conditioners are actually inside the room that you are cooling they all require a hose to drain water to a suitable drain location or to the outside.
Get information on the lg lp1213gxr.
Get information on the lg lp1217gsr.