Please read the “Safety Precaution” carefully before operating the unit to ensure correct usage of the unit. ● Pay special attention to signs of “ Warning” and “ Caution”. The “Warning” section contains matters which, ● if not observed strictly, may cause death or serious injury. The “Caution” section contains matters which may result in serious consequences if not observed properly.
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PRECAUTIONS DURING OPERATION ● The product shall be operated under the manufacturer speciÀ cation and not for any other intended use. Do not attempt to operate the unit with wet hands, this could cause fatal ● accident. When operating the unit with burning equipments, regularly ventilate the ●...
1 year depending on application requirements. OUTDOOR UNIT DRAIN PIPE Condensed water drain to outside. CONNECTING CORD AIR INLET (BACK, LEFT SIDE) AIR OUTLET MODEL NAME AND DIMENSIONS MODEL WIDTH (mm) HEIGHT (mm) DEPTH (mm) RAS-S18H2AA RAC-S18H2AA – 2 –...
INDOOR UNIT INDICATORS FILTER LAMP When the device is operated for a total of about 200 hours, the FILTER lamp lights to indicate that it is time to clean the À lter. The lamp goes out when the “ (AUTO SWING)” button is pressed while the device is on “STANDBY MODE”.
NAMES AND FUNCTIONS OF REMOTE CONTROL UNIT REMOTE CONTROLLER ● This controls the operation of the indoor unit. The range of control is about 7 meters. If indoor lighting is controlled electronically, the range of control may be shorter. This unit can be À xed on a wall using the À xture provided. Before À xing it, make sure the indoor unit can be controlled from the remote controller.
VARIOUS FUNCTIONS ■ Auto Restart Control ● If there is a power failure, operation will be automatically restarted when the power is resumed with previous operation mode and airÁ ow direction. (As the operation is not stopped by remote controller.) ●...
HEATING OPERATION ● Use the device for heating when the outdoor temperature is under 21°C. When it is too warm (over 21°C), the heating function may not work in order to protect the device. ● In order to keep reliability of the device, please use this device above -15°C of the outdoor temperature. Press the FUNCTION selector so that the display indicates (HEAT).
DEHUMIDIFYING OPERATION Use the device for dehumidifying when the room temperature is over 16°C. When it is under 15°C, the dehumidifying function will not work. Press the FUNCTION selector so that the display indicates (DEHUMIDIFY). The FAN SPEED is set at LOW or SILENT. Set the desired room temperature with the TEMPERATURE button (the display indicates the setting).
COOLING OPERATION Use the device for cooling when the outdoor temperature is 21~ 43°C. If in doors humidity is very high (80%), some dew may form on the air outlet grille of the indoor unit. Press the FUNCTION selector so that the display indicates (COOL).
FAN OPERATION You can use the device simply as an air circulator. Use this function to dry the interior of the indoor unit at the end of summer. Press the FUNCTION selector so that the display indicates (FAN). Press the (FAN SPEED) button.
HOW TO SET THE TIMER Set the (TIME) button. After you change the batteries; TIME OFF TIMER ON TIMER Press the (OFF-TIMER) button. The (OFF) mark blinks on the display. RESERVE CANCEL You can set the device to turn off at the preset time.
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Set the current time with the Press the (TIME) button again. Press the TIMER control button. The time indication starts lighting (TIME) button. instead of Á ashing. ● The time indication will disappear automatically in 10 second. ● To check the current time setting, press the (TIME) button twice.
HOW TO SET THE SLEEP TIMER Set the current time at À rst if it is not set before (see the pages for setting the current time). Press the (SLEEP) button, and the display changes as shown below. Mode Indication 1 hour 2 hours 3 hours...
HOW TO EXCHANGE THE BATTERIES IN THE REMOTE CONTROLLER Remove the cover as shown in the À gure and take out the old batteries. Install the new batteries. The direction of the batteries should match the marks in the case. CAUTION 1.
THE IDEAL WAYS OF OPERATION Suitable Room Temperature Install curtain or blinds Warning It is possible Freezing temperature to reduce heat is bad for health and a entering the waste of electric power. room through windows. Ventilation Effective Usage Of Timer At night, please use the “OFF or ON timer Caution operation mode”, together with your wake up...
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FOR USER’S INFORMATION The Air Conditioner And The Heat Source In The Room Caution If the amount of heat in the room is above the cooling capability of the air conditioner (for example: more people entering the room, using heating equipments and etc.), the preset room temperature cannot be achieved.
ATTACHING THE AIR CLEANSING FILTERS CAUTION Cleaning and maintenance must be carried out only by qualiÀ ed service personal. Before cleaning, stop operation and switch off the power supply. Open the front panel. ● Pull up the front panel by holding it at both sides with both hands.
MAINTENANCE CAUTION Cleaning and maintenance must be carried out only by qualiÀ ed service personal. Before cleaning, stop operation and switch off the power supply. AIR FILTER Clean the air À lter, as it removes dust inside the room. In case the air À lter is full of dust, the air Á ow will decrease and the cooling capacity will be reduced.
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Washable Front Panel ● Remove the front panel and wash with clean water. Wash it with a soft sponge. After using neutral detergent, wash thoroughly with clean water. ● When front panel is not removed, wipe it with a soft dry cloth. Wipe the remote controller thoroughly with a soft dry cloth.
CAUTION Cleaning and maintenance must be carried out only by qualiÀ ed service personal. Before cleaning, stop operation and switch off the power supply. MAINTENANCE AT BEGINNING OF LONG OFF PERIOD Running the unit setting the operation mode to ● (FAN) and the fan speed to HI for about half a day on a À...
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AFTER SALE SERVICE AND WARRANTY WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS. CONDITION CHECK THE FOLLOWING POINTS If the remote controller is ● Do the batteries need replacement? not transmitting a signal. ● Is the polarity of the inserted batteries correct? Remote controller dis- play is dim or blank.) ●...
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Note ● Avoid to use the room air conditioner for cooling operation when the outside temperature is below –10°C (14°F). The recommended maximum and minimum operating temperatures of the hot and cold sides should be as below: Cooling Heating Minimum Maximum Minimum Maximum...