ENGLISH SPLIT TYPE AIR CONDITIONER INDOOR UNIT/OUTDOOR UNIT MODEL RAS-S18CAK / RAC-S18CAK OUTDOOR UNIT INDOOR UNIT RAS-S18CAK RAC-S18CAK Instruction manual Page 1~22 To obtain the best performance, please read this instruction manual completely. !" !"#$%&'()*+,-.
SAFETY PRECAUTION ● ● ● 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. Please observe all instructions strictly to ensure safety.
● The product shall be operated under the manufacturer speci cation and not for any other intended use. ● ● When operating the unit with burning equipments, regularly ventilate the room to avoid oxygen insuf ciency. ● ● ! C A U T I O N Please switch off the unit and turn off the circuit breaker during cleaning, the high-speed fan inside the unit may cause danger. Turn off the circuit breaker if the unit is not to be operated for a long period.
NAMES AND FUNCTIONS OF EACH PART INDOOR UNIT Pre- lter To prevent dust from coming into the indoor unit. (Refer page 17) Front panel Indoor unit indicators Light indicator showing the operating condition. (Refer page 5) Horizontal de ector (Air Outlet) (Refer page 12) ● Vertical de ector Remote controller Send out operation signal to the indoor unit. So as to operate the whole unit. (Refer page 6) OUTDOOR UNIT Drain pipe Condensed water drain to outside.
OPERATION LAMP This lamp lights during operation. TIMER LAMP This lamp lights when the timer is working. 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 lter. The lamp goes out when the “ (AUTO SWING)” button is pressed while the device is on “STANDBY MODE”. OPERATION INDICATOR ● This gure shows the opening condition of front panel. Refer to page 16 in relation to how to open or close the front panel.
NAMES AND FUNCTIONS OF REMOTE CONTROL UNIT REMOTE CONTROLLER This controls the operation of the indoor unit. Signal range to reach indoor unit is about 7 meters. If inverter lamp is used, the range of control may be shorter. This unit can be xed on a wall using the xture provided. Before xing it, make sure the indoor unit can be controlled from the remote controller. Transmission sign The transmission sign blinks when a signal is sent.
Use the device for cooling when the outdoor temperature is 21 ~ 43°C. If indoor humidity is very high (over 80%), some dew may form on the air outlet grille of the indoor unit. 1 Press the button so that the display indicates (COOL). Cooling operation starts with a beep. The cooling function does not start if the temperature setting is higher than the current room temperature (even though the (OPERATION) lamp lights).
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. 1 Press the button so that the display indicates (DEHUMIDIFY). Dehumidifying operation starts with a beep. The FAN SPEED is set at LOW automatically. The FAN SPEED button does not work. Set the desired room temperature with the TEMPERATURE button (the display indicates the setting).
1 Press the button so that the display indicates (CIRCULATION). Circulating operation starts with a beep. 2 Press the FAN SPEED button and select the desired FAN SPEED (the display indicates your choice). 3 Press the temperature control button to set to the desired temperature. STOP Press the (STOP) button to stop operation. ■ As the settings are stored in memory in the remote controller, (CIRCULATION) button next time.
HOW TO SET THE SLEEP TIMER Press the (SLEEP) button, and the display changes as shown below. Mode Indication 41 Sleep timer SLEEP hour 42 hours 4 3 hours Sleep timer off 1 47 hours Sleep Timer: The device will continue working for the designated number of hours and then turn off. Point the signal window of the remote controller toward the indoor unit, and press the SLEEP button. The timer information will be displayed on the remote controller.
■ ON Timer and OFF Timer are available. ■ Operation stop at setting time OFF Timer Reservation OFF TIME setting ● Select the OFF TIME by pressing the ● Setting time will change according to the below sequence when you press the button. (OFF) Button. ■ Operation will start for setting temperature at setting time (The starting time may different depend on the room temperature and set temperature). ON Timer Reservation ON TIME setting ● ● Select the ON TIMER by pressing the (ON) Button.
ADJUSTING THE AIR DEFLECTORS 1 2 Adjustment of the conditioned air in the upward and downward directions. The horizontal air de ector is automatically set to the proper angle suitable for each operation. The de ector can be swung up and down continuously and also set to the desired angle using the “ (AUTO SWING)” button. ● If the “ (AUTO SWING)” button is pressed once, the horizontal air de ector swings up and down. If the button is pressed again, the de ector stops in its current position.
When using the remote control, if there is no response from the air conditioner unit and/or the remote control has fading and dim displays, the batteries in the remote control device need to be removed and replaced with new ones 1 Remove the cover as shown in the gure and take out the old batteries. = 2 Install the new batteries. The direction of the batteries should match the marks in the case. ! CAUTION 1. Do not use new and old batteries, or different kinds of batteries together. 2.
THE IDEAL WAYS OF OPERATION Suitable Room Temperature Install curtain or blinds ! Warning It is possible to reduce heat entering the room through windows. Freezing temperature is bad for health and a waste of electric power. Ventilation Effective Usage Of Timer At night, please use the “OFF or ON timer operation mode”, together with your wake up time in the morning. This will enable you to enjoy a comfortable room temperature. Please use the timer effectively.
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. Not Operating For A Long Time When the indoor unit is not to be used for a long period of time, please switch off the power from the mains.
ATTACHING THE AIR PURIFYING FILTERS ! CAUTION Cleaning and maintenance must be carried out when lter lamp lights. Before cleaning, stop operation and switch off the power supply. 1 Open the front panel ● Pull up the front panel by holding it at both sides with both hands. 2 Remove the pre- lter ● Push upward to release the claws and pull out the lter.
! CAUTION Cleaning and maintenance must be carried out when lter lamp lights. Before cleaning, stop operation and switch off the power supply. 1. PRE-FILTER Clean the pre- lter, as it removes dust inside the room. In case the pre- lter is full of dust, the air ow will decrease and the cooling capacity will be reduced. Further, noise may occur. Be sure to clean the lter following the procedure below.
2. 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. ● Wipe the water thoroughly. If water remains at indicators or signal receiver of indoor unit, it causes trouble. Method of removing the front panel.
● Please use earth line. Do not place the earth line near water or gas pipes, lightning-conductor, or the earth line of telephone. Improper installation of earth line may cause electric shock. ● A circuit breaker should be installed depending on the mounting site of the unit. Without a circuit breaker, the danger of electric shock exists.
AFTER SALE SERVICE AND WARRANTY WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS CONDITION CHECK THE FOLLOWING POINTS ● ● When it does not operate ● ● ● When it does not cool well ● ● ● Is the fuse all right? Is the voltage extremely high or low? Is the circuit breaker “ON”? Was the air lter cleaned? Does sunlight fall directly on the outdoor unit? Is the air ow of the outdoor unit obstructed? Are the doors or windows opened, or is there any source of heat in the room? Is the set temperature su
● Avoid to use the room air conditioner for cooling operation when the outside temperature is below 21°C (70°F). The recommended maximum and minimum operating temperatures of the hot and cold sides should be as below: Indoor Outdoor Dry Wet Dry Wet bulb bulb bulb bulb °C °C °C °C Minimum 21 15 21 15 Maximum 32 23 43 26 MEMO ..................................................................................................................................................................................
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