After Sales Service Each link will lead you to Youtube! How to unpack the AD-5 Atmospheric Water Generator? How to open the front cover? How to open the top cover? What is the normal display status after installation? How to do the prime process during the first installation? How to switch between Fahrenheit(F) and Celsius(C)? How to turn off the water making system? How to reset the air filter replacement alarm system after exchange? How to reset the 1st and 2nd water filter replacement alarm system after exchange? How to drain water from the unit? How to exchange the air filter? How to change the cold water temperature? How to use the fitting opener? What is the refresh meaning?