User manual MITSUBISHI KA12

[. . . ] If you detect odd smells, stop using the unit, turn off the power switch and consult your dealer. ⷠThis air conditioner is NOT intended for use by children or infirm persons without supervision. ⷠYoung children must be supervised to ensure that they do not play with the air conditioner. ⷠIf the refrigeration gas blows out or leaks, stop the operation of the air conditioner, thoroughly ventilate the room, and contact your dealer. [. . . ] Immediately after starting heater mode (while the system is waiting for the mode change to take effect). In heat mode, when room temperature is higher than the temperature setting. According to a set temperature, cooling operation starts if the room temperature is too hot and heating operation starts if the room temperature is too cold. During automatic operation, if the room temperature changes and remains 2 °C, 4 °F or more above the set temperature for 15 minutes, the air conditioner switches to cooling mode. In the same way, if the room temperature remains 2 °C, 4 °F or more below the set temperature for 15 minutes, the air conditioner switches to heating mode. RF thermostat: "Clean Filter" Ask authorized people to clean the filter. 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. When 2 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. ) "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. 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 122°F), as this may warp them. ⷠBefore you start cleaning, stop operation and turn OFF the power supply. ⷠIndoor units are equipped with filters to remove the dust of sucked-in air. Pull the knob on the intake grille in the direction indicated by the arrow and it should open. Release the knob on the center edge of the intake grille and pull the filter forward to remove the filter. [. . . ] To prevent the effect of a fluorescent lamp, keep it away as far apart as possible. To prevent picture distortion or noise, keep 3 ft (1 m) or more apart. Warning: If the air conditioner operates but does not cool or heat (depending on model) the room, consult your dealer since there may be a refrigerant leak. Be sure to ask the service representative whether there is refrigerant leakage or not when repairs are carried out. [. . . ]