remote unit Inserting batteries The remote unit uses two “AAA” batteries. To install or replace the batteries, please follow these steps: L.Remove kickstand base. 2.Unscrew the screw on the back of the compartment and remove the cover. 3.Insert the batteries observing the correct polarity. 4.Replace the battery cover on the unit and seal by re-screwing tightly. 5. When a “Low Battery” symbol appears on the part of Indoor Temperature, please replace batteries of the main unit.