User manual MITSUBISHI PCA-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. [. . . ] Note: 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. When the filter display goes off, the cumulative time is reset. (only for wired 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. (Airflow is reduced when the filter is dirty or clogged. ) Check the temperature adjustment and adjust the set temperature. Make sure that there is plenty of space around the outdoor unit. is the indoor unit air intake or outlet blocked?Warm air does not blow until the indoor unit has sufficiently warmed up. When the outdoor temperature is low and the humidity is high, frost may form on the outdoor unit. If this occurs, the outdoor unit performs a defrosting operation. Normal operation should begin after approximately 10 minutes. When heating operation starts, warm air does not blow from the indoor unit soon. During heating mode, the air conditioner stops before the set room temperature is reached. Airflow direction changes during operation or airflow direction cannot be set. ) During cooling mode, the vanes automatically move to the horizontal (down) position after 1 hour when the down (horizontal) airflow direction is selected. This is to prevent water from forming and dripping from the vanes. During heating mode, the vanes automatically move to the horizontal airflow direction when the airflow temperature is low or during defrosting mode. When the airflow direction is changed, the vanes move to the set position after detecting the base position. [. . . ] Air conditioner operates without the ON/OFF button being pressed. Air conditioner stops without the ON/OFF button being pressed. Location examples Noise levels Nothing appears in the IR wireless remote controller display, the display is faint, or signals are not received by the indoor unit unless the IR wireless remote controller is close. (*2) The operation lamp near the receiver for the IR wireless remote controller on the indoor unit is blinking. [. . . ]