Since windows are kept closed, it is a good idea to open them and ventilate the room now and then. When air conditioner is not going to be used for a long time. Turn off the circuit breaker, and disconnect the plug. Remove the batteries from the remote control. Turn off the circuit breaker when the air conditioner is not going to be used for a long time. Dirt may collect and may cause a fire. Clean the air filter and install it in the indoor unit. (Refer to page 15 for cleaning filters.) When th