When the outside air is drawn into the system through the fan in the air was cooler until temperature is lower than the dew point and the naenklai steam and condensation.
When the outside air is sucked through the fan into the system, resulting in the air being cooled to temperatures below the dew point and condensation into steam and water droplets.
When the outside air is sucked through the fan into the system in the air was cool until the temperature below the dew point and the condensation water, steam and secure