User manual MITSUBISHI PKA-A-KA4

[. . . ] For safe and correct use, please read this operation manual thoroughly before operating the air-conditioner unit. Before installing the unit, make sure you read all the Warning: Describes precautions that should be observed to prevent danger of injury or death to the user. Please report to or take consent by the supply authority before connection to the system. The unit must not be installed by the user. [. . . ] Operation Monitor Display GREEN STOP When the IR wireless remote controller cannot be used When the batteries of the IR wireless remote controller run out or the IR wireless remote controller malfunctions, the emergency operation can be done using the emergency buttons on the grille. dEFROST/STAND BY lamp (Orange) Operation lamp (Green) Emergency operation switch (cooling/heating) Receiver · Each press of the emergency operation switch will toggle the operation mode. ) COOL HEAT ORANGE The display will appear orange for 5 seconds following the switch operation as indicated at the left, and then it will return to the regular display. Turning off Lighting * Operation details at the time of emergency operation are as shown below. Note that over the first 30 minutes or so, the temperature adjustment will not function and the unit will be in continuous operation with the fan on high. Following indication shows that the filter needs cleaning. ASK authorized people to clean the filter. Note: When two or more different types of indoor unit are controlled, the cleaning period differs with the type of filter. When the master unit cleaning period arrives, "FILTER" is displayed. When the filter display goes off, the cumulative time is reset. (only for wird remote controller) "FILTER" or "Clean Filter" indicates the cleaning period when the air conditioner was used under general indoor air conditions by criteria time. Since the degree of dirtiness depends on the environmental conditions, clean the filter accordingly. The filter cleaning period cumulative time differs with the model. This indication is not available for IR wireless remote controller. In removing the filter, precautions must be taken to protect your eyes from dust. Also, if you have to climb up on a stool to do the job, be careful not to fall. ⷠWhen the filter is removed, do not touch the metallic parts inside the indoor unit, otherwise injury may result. 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. [. . . ] " " will appear in the wired remote controller display. During central control, " " appears in the wired remote controller display and air conditioner operation cannot be started or stopped using the wired remote controller. (Operation has stopped to protect the air conditioner. Consult the concerned people who control the air conditioner. [. . . ]