7.2.2. How to Operate.(1) Open the Control Panel Cover.Fig. 1(2) Power SupplySwitch off the breaker and set the Main Control Knob to theOFF position before connecting the power plug cord to anindependent power supply.Fig. 2(3) Main Control KnobSet the Main Control Knob to either Low Cooling or HighCooling and Low Heating or High Heating as desired, FANsetting operates the fan only.Caution: If the Main Control Knob is turned off orchanged to a fan setting from a cooling or heatingoperation setting, WAIT at least 3 minutes beforeresetting to cooling or heating operation.Fig. 3(4) Thermostat Control KnobTurn the Thermostat Control Knob as shown in Fig. 4.Usually “6” ~ “7” is the recommended setting position forcooling and “4” ~ “5” for heating.Note: When the Thermostat Control Knob is set to “10”,moisture may freeze onto the evaporator fins and preventeffective cooling. If this happens, turn the Main ControlKnob to FAN, and the Thermostat Control Knobcounterclockwise. This will quickly defrost the evaporatorfins so that normal cooling can be resumed.Fig.4(5) Air Swing Switch(Airflow direction adjustment side-to-side)To obtain a fixed airflow direction, set the Air Swing Switchto “ON” for the vanes to swing from side to side until thedesired flow direction is reached, then switch it to “OFF”.For continuous side-to-side air circulation, set the Air SwingSwitch to “ON”.Fig. 512CW-C180ES / CW-C240ES / CW-A180ES / CW-A240ES / CW-SC180ES