Ensure that the power is disconnected before adding water to the cooling fan. You can add water to the cooling fan by pulling the lid through the front inlet (As per the diagram). You may also add ice cubes for faster cooling. Water can be poured up to the highest point (or MAX) of the water level indicator. Always ensure that there is sufficient water in the tank, this will ensure the pump runs correctly and without damage.

Cleaning of cooling fan by draining the water.
To drain the left over water from the tank, pull to remove the drain plug given at the lower back side of the tank. After draining, push to fix the drain plug properly. It is advisable to drain water on regular basis for better performance & longer life of pads