Room Air Conditioner OPERATING INSTRUCTIONS Indoor Model CS-MC90AKH CS-MC120AKH CS-MC180AKH Before using your air-conditioner, please read this operating instructions carefully and keep it for future reference.
CONTENTS READ BEFORE OPERATION ■ Safety Precautions ........................................................ 2 ■ Names of Parts Indoor unit, Outdoor unit ...................................... 4 Remote controller ................................................. 5 ■ Preparation Before Operation Remote controller ................................................. 6 Indoor unit ............................................................ 7 OPERATION ■ DRY/COOL/FAN Mode Operation .....................
Safety Precautions ■ Read the following warnings and cautions carefully before operating the system and use it correctly. ■ This manual classifies the precautions to the user into two categories on the right. Be sure to follow all as they are all important to ensure safety. ■ After reading this manual, keep it in a place easily accessible to the user for future reference. WARNING Failure to follow a warning is very likely to result in such grave consequences as death or serious injury.
Installation WARNING Do not attempt to install the air conditioner by yourself. Consult the service shop or a qualified technician. Incorrect work will result in water leakage, electric shocks or fire. For installation, consult the service shop where you bought the unit or a qualified technician. CAUTION The air conditioner must be earthed. Incomplete earthing may result in electric shocks. Do not connect the earth line to a gas pipe, water pipe, lightening rod, or a telephone earth line.
Names of Parts Indoor unit Outdoor unit Earth terminal: Air inlets Air purifying filter Air inlet Air purifying filters are attached to the inside of the air filters. Front grille (Back and side) is inside of this part. Grille tab Diffuser Air outlet Air filter Louvre (vertical blades) The louvre is inside of the air outlet. (See page 8 “Adjusting the Air Flow Direction”.) Air outlet Refrigerant piping and inter-unit cable Indicator lamps TIMER lamp (yellow) (See page 9 “Timer Operation”.
Names of Parts Remote controller Transmitter sends signals to the indoor unit. Display Open the cover. displays the current settings. (In this illustration, each section is shown with all its displays ON for the purpose of explanation.) OFF TIMER button ON TIMER button OFF/ON Press it once to start operation. To stop it, press it once again. ON TEMP C TIME change the temperature or time setting.
Preparation Before Operation ■ Operating the remote controller Remote controller • To use the remote controller, aim the transmitter at the indoor ■ Setting the batteries • • Position ＋ and − correctly! unit. If there is anything to block signals between the unit and the remote controller, such as a curtain, the unit will not operate. Do not drop the remote controller. Do not get it wet. The maximum distance for communication is about 7 m.
Preparation Before Operation Indoor unit ■ Setting the air cleaning filters ■ Setting the clock 1• 1 Open the front grille. Hold the grille by the tabs on the two sides and lift it until it stops with a click. (about 60°) CLOCK Press . AM is displayed. l l l l AM l l blinks. ℃ ℃ 2 Pull out the air filters. 2 Press the present time. to set the clock to • Push upwards the tab l l l PM l l at the center of each air filter, then pull it down.
DRY/COOL/FAN Mode Operation The air conditioner operates with the settings of your choice. From the next time on, the air conditioner will operate with the same settings. You can adjust the air flow direction to increase your comfort. Adjusting the horizontal blade (flap) and select a mode. Press SWING . Display 1 MODE Press Adjusting the Air Flow Direction • Each pressing of the button advances the mode setting • Every time the button is pressed, “ ” appears or disappears. in sequence. ....
Timer Operation Timer functions are useful for automatically switching the air conditioner on or off at night or in the morning. You can also use OFF TIMER and ON TIMER in combination. ■ To cancel the timer: CANCEL Press . Then the TIMER lamp goes off. OFF TIMER operation Combining ON TIMER and OFF TIMER that the clock is correct. • Check If not, set the clock to the present time. (See page 7.) is displayed.
Care and Cleaning CAUTION Before cleaning, be sure to stop the operation and turn the breaker OFF. Cleaning the air filters (It is recommended to clean them every two weeks.) • Clean POWER TIMER FILTER OFF/ON 1• the air filters, when CLEANING lamp lights up. Cleaning the indoor and outdoor units and the remote controller • Wipe them with dry soft cloth.
Care and Cleaning Cleaning the front grille You may remove the front grille for cleaning. CAUTION Check Check that the base, stand and other fittings of the outdoor unit are not decayed or corroded. • When removing or attaching the front grille, use a robust and stable stool and watch your steps carefully. • When removing or attaching the front grille, support the grille securely with hand to prevent it from falling.
Trouble Shooting ● These cases are not troubles. The following cases are not air conditioner troubles but have some reasons. You may just continue using it. Case 12 Explanation Operation does not start soon. ● When ON/OFF button was pressed soon after operation was stopped. ● When the mode was re-selected. ● This The air sounds. ■ A flowing sound: ● This is the sound of refrigerant gas flowing in the air conditioner.
Trouble Shooting ● Check again Please check again before calling a repair person. Case Check The air conditioner does not operate. (OPERATION lamp is off) ● Hasn’t a breaker turned OFF or a fuse blown? it a power failure? ● Are batteries set in the remote controller? ● Is the address switch in the remote controller set correctly? (See page 6 “Preparation Before Operation”.) ● Is the timer setting correct? Cooling effect is poor.
Trouble Shooting ● Call the service shop immediately. WARNING ■ When an abnormality (such as a burning smell) occurs, stop operation and turn the breaker OFF. Continued operation in an abnormal condition may result in troubles, electric shocks or fire. Consult the service shop where you bought the air conditioner. ■ Do not attempt to repair or modify the air conditioner by yourself. Incorrect work may result in electric shocks or fire. Consult the service shop where you bought the air conditioner.
Matsushita Electric Industrial Co., Ltd.
