User manual MITSUBISHI PKFY-NHMU-E

[. . . ] Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Symbols used in the text Warning: Describes precautions that should be observed to prevent danger of injury or death to the user. Caution: Describes precautions that should be observed to prevent damage to the unit. Symbols used in the illustrations : Indicates an action that must be avoided. Warning: Carefully read the labels affixed to the main unit. Warning: · The unit should not be installed by the user. [. . . ] Never place any obstacle around the lower right-hand section of the remote controller. Doing so can result in the erroneous measurement of room temperature. 2 2. Operation A B C D E F G H I Current time/Timer Centralized control Timer ON Abnormality occurs Operation mode: COOL, DRY, AUTO, FAN, HEAT Preparing for Heating mode Defrost mode Set temperature Power ON Louver Not available function Ventilation Function setting mode Test run mode Error check mode P Q R S T U Filter sign Set effective for 1 hr. Sensor position Room temperature Airflow Fan speed D CB A UTQS J K L M N O E F R P O N M Before starting operation · Make sure that the power supply is turned ON before use. · Start running after the "HO" display has disappeared. 2 minutes) · In some systems, more than one indoor unit may be connected to a single outdoor unit. When a remote controller for one indoor unit is used to change modes at the same time as a different indoor unit is working together with the outdoor unit, the operation underway stops, and the new operation begins. Until the old operation is complete, the display on the remote controller flashes to indicate that the new operation is in "waiting" status. Warning: Check and confirm the power circuit before use. G H I KLJ A 3. 1. ON/OFF Start an operation/Stop an operation 1 Press [ON/OFF] button Operation lamp lights up/off and operation starts/stops. A Operation lamp Caution: Even if the operation button is pressed immediately after the operation is stopped, operation is not restarted for about 3 minutes. 1 A 3. 2. Mode select 1 If the unit is off, press the ON/OFF button to turn it on. A The ON indicator should light up. 2 Press the operation MODE button and select the operation mode. B s COOL B DRY AUTO FAN 1 2 HEAT 3 3. · Approximately ten seconds after pressing the button, the display on the remote controller will turn off. The example shows a timer set for operation start at 8:00 and end at 17:00. 2 1 D ABC 2) Set the mode to continuous as follows 1 Press TIMER button to display D. 3) Set the time to start the unit as follows 2 Press CLOCK-ON-OFF button to display B ON. 3 Press TIMER SET button to set the time that you want the unit to start. The start time is displayed at A. 4) Set the time to stop the unit as follows 1 2 Press CLOCK-ON-OFF button to display C OFF. 3 Press TIMER SET button to set the time that you want the unit to stop. The stop time is displayed at A. 5) Set the mode to timer as follows 1 Press TIMER button to display D. 3 2 4. 1. Cleaning the filters and the indoor unit Cleaning the filters · Clean the filters using a vacuum cleaner. If you do not have a vacuum cleaner, tap the filters against a solid object to knock off dirt and dust. · If the filters are especially dirty, wash them in lukewarm water. Take care to rinse off any detergent thoroughly and allow the filters to dry completely before putting them back into the unit. Caution: · Do not dry the filters in direct sunlight or by using a heat source, such as an electric heater: this may warp them. · Do not wash the filters in hot water (above 50°C), as this may warp them. Operating the unit without air filters can cause malfunction. I PKFY-NAMU-A I PKFY-NHMU-E Caution: · Before you start cleaning, stop operation and turn OFF the power supply. [. . . ] 3 Release the knob on the center edge of the intake grille and pull the filter forward to remove the filter. A Knob B Grille C Intake grille D Filter C D Before you ask for repair service, check the following points: State of Machine It does not run. Troubleshooting Press the [ON/OFF] button after power restoration. Air flows out but it does not cool enough or heat Check the set temperature. Indoor unit operation was started anew during the heating and defrosting operation. The sound of the exhaust and rotation of the motor Wait for 3 minutes. [. . . ]