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filters may shrink and the plastic materials may be damaged. 2. CLEANING INDOOR UNIT(S) & REMOTE CONTROL(S) • Do not touch the evaporator coil when removing and replacing the air filters. Injury may occur. Use a dry cloth for cleaning the indoor unit(s) and remote • Never operate the unit without the air filters. control(s). BEFORE THE SEASON 1. CLEANING AIR FILTERS (ONCE EVERY TWO WEEKS) Clean the air filters at least once every two weeks to save elec-• Check that the air inlet and outlet of the indoor and outdoor tricity. Use the vacuum cleaner to remove dust from the air filter. units are not blocked. • Check that the ground wire is connected and there is no NOTE: In case the dust on the air filter cannot be easily wire breaks anywhere. removed with a vacuum cleaner, use a neutral clean-• Check that the installation bracket is not corroded or rusty. ing agent. Be sure to sufficiently rinse the air filter with • Check that the air filters are clean and in place. water to completely remove the cleaning agent and allow it to dry in the shade. AFTER THE SEASON How to remove air filters: • Operate on “CIRCULATION” only mode for several hours A) Pull the front grille by grasping the recesses on the ends. on a dry day. Storage when wet will allow mold to develop. B) Open the front grille up to the position where it is stopped • Disconnect the power source with a click sound. • Remove the batteries from the remote control. C) Raise the air filter, disengage the claws, and remove.• Clean the air filters and replace. BEFORE CALLING FOR SERVICE THE FOLLOWING ARE NOT DEFECTS • A hissing noise or hollow sound: This sound may be generated from the refrigerant flowing within pipes during operation or after turning off the unit(s). • A squeaking noise: This noise is generated from the air conditioner(s) when it expands or contracts due to temperature changes. • A rustling noise: This noise is generated from the indoor fan at start up. • Operating sounds may change: The operation sounds varies with the fan speed. • Odors: Such odors as tobacco, cosmetics, or foods may accumulate in the indoor unit(s). • Indoor fan motor(s) stop: In the “AUTO”, “DRY” and “HEAT” operation mode, the indoor fan motor(s) will be stopped when the room temperature reaches the set temperature. • The air conditioner(s) do not start or change operation mode immediately: To prevent overloading the compressors, the air conditioner(s) will not start for approx. 3 minutes. • No change on the operation mode by the remote control: The signal of operation mode changing has not reached the indoor unit(s). Press the ON/OFF button again and change the operation mode. • The fan speed of the indoor fan motor changes or the fan motor of the outdoor unit stops: To prevent overloading the unit, the air conditioner(s) may change the indoor fan speed and operate the outdoor fan intermittently. • In heat mode water comes out the outdoor unit: The ambient air can condense on the pipes of the outdoor unit....

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