Contents 1. Safety Precautions 1. Safety Precautions ..................2 s Before installing the unit, make sure you read all the “Safety precautions”. 2. Operation ....................3 s The “Safety precautions” provide very important points regarding safety. 2.1. Switching the unit on/off .............. 3 Make sure you follow them.
2. Operation Operating range Indoor air intake temperature Outdoor air intake temperature Maximum 95 °F DB, 71 °F WB 115 °F DB Cooling CHECK TEST COOL Minimum 67 °F DB, 57 °F WB 0 °F DB* ˚F MODEL ˚C SELECT STOP AMPM ON/OFF –...
2. Operation 2.5. Adjusting airflow direction The vertical air vane helps select the vertical direction of the airflow. 1 Press AIR DISCHARGE button to select the vertical airflow direction. • Each time you press the button, the option changes are displayed on the remote controller, as shown below.
3. Care and cleaning I PLH/PL Series Caution: • Always turn off the power, first on the remote controller and then the main switch, before cleaning or servicing the unit. • When installing or removing the filter or the intake grille, do not stand on an unsteady surface.
3. Care and cleaning 4. Troubleshooting 3.2. Care and cleaning Clean the filter When the A “FILTER” indicator blinks on the remote controller to alert you to the necessity of cleaning of the filter. ∗ As a guideline for typical office environment, the long-life filter must be cleaned ON/OFF –...