OWNER’S MANUAL AIR CONDITIONER (SPLIT TYPE) For general public use Indoor Unit Outdoor Unit RAS-18LKH-A RAS-22LKH-A RAS-18LAH-A RAS-22LAH-A Thank you very much for purchasing TOSHIBA Air Conditioner. Please read this owner’s manual carefully before using your Air Conditioner. A A SLEEP ON/OFF TEMP.
, OWNER S MANUAL
CONTENTS PRECAUTIONS 2 BEFORE OPERATION 6 UNIT DESCRIPTION 6 REMOTE CONTROL DESCRIPTION 8 REMOTE CONTROL PREPARATION 11 UNIT OPERATION 13 AUTOMATIC OPERATION 13 MANUAL OPERATION 14 TIMER OPERATION 15 DISCHARGE AIR LOUVER CONTROL 20 EMERGENCY AND TEST OPERATION 21 AIR CLEANING OPERATION 22 CARE AND MAINTENANCE 23 POINTS TO NOTE 23 CLEANING THE FILTERS AND FRONT PANEL 25 CLEANING THE MAIN UNIT 26 AFTER-SEASON CARE 26 TROUBLESHOOTING 27
, OWNER S MANUAL - 2 PRECAUTIONS Installing and servicing air conditioning equipment can be hazardous due to system pressure and electrical components. Only trained and qualified service personnel should install or service this equipment. Untrained personnel can perform basic maintenance functions such as cleaning the coil and filters, and replacing filters. All other operations should be performed by trained service personnel.
, OWNER S MANUAL - 3 PRECAUTIONS WARNING Do not use flammable sprays near the unit. The unit can be damaged by gasoline, benzene, thinners, insecticides and other chemical agents. WARNING When unplugging the power plug, do not pull by the power cord. The power cord will get damaged and it can cause electric shock. WARNING To avoid the risk of serious electric shock, never splash the indoor and the outdoor unit with water. WARNING Do not put hands or objects into the discharge grille of outdoor unit.
, OWNER S MANUAL - 4 PRECAUTIONS WARNING Be careful to keep the room temperature a comfortable level. Avoid continuous direct air flow to the occupant, especially in case of sleeping persons or hospital patients. WARNING Do not obstruct the front of the discharge grille of both units. This will block air flow, reduce the cooling effect and may result in unit malfunction. WARNING Ventilate the room when it becomes stuffy or filled with undesirable odors.
, OWNER S MANUAL - 5 PRECAUTIONS WARNING To circulate the room air only, operate at the FAN mode. WARNING In summer, if possible, prevent direct sunlight from entering the room; draw curtains or blinds. WARNING yyy ;;; ;;; yyy ;; yy ;;yy yy ;; ;; yy ;;; yyy ;; yy yy y ; ; ;; yy ;; yy ;; yy y ; ;; yy yy ;; Use the timer correctly to maintain comfort conditions. WARNING Please read this owner , s manual carefully before operating the unit.
, OWNER S MANUAL - 6 BEFORE OPERATION UNIT DESCRIPTION Indoor Unit ROOM AIR INLET AIR FILTER ACTIVE CARBON FILTER & OPTION 1 : ELECTROSTATIC FILTER OPTION 2 : PHOTO-CATALYST FILTER REMOTE CONTROL SIGNAL RECEIVER AIR SWING FLAP VERTICAL LOUVER ROOM AIR OUTLET POWER PLUG LCD REMOTE CONTROL OUTDOOR AIR OUTLET OUTDOOR AIR INLET INDOOR AND OUTDOOR CONNECTION DRAIN HOSE Outdoor Unit
, OWNER S MANUAL - 7 BEFORE OPERATION Indoor Unit Display • UNIT ON(Green): When the unit is switched on by the remote control, a green light will be displayed. • TIMER(Orange) : When the unit is in reservation mode, an orange light will be displayed. Switch Panel EMERGENCY TEST • EMERGENCY button : Can be used when the remote control is lost or inoperative. • TEST button : Is only used by service men to test the unit operation.
, OWNER S MANUAL - 8 BEFORE OPERATION REMOTE CONTROL DESCRIPTION Names and Functions of the Buttons 1 ON/OFF BUTTON If you press this button, the unit will begin operation. Press the button again, and operation stops. ( You can hear a receiving beep. ) If you press this button immediately after turning off the unit, the compressor will not operate for 3 minutes to prevent overloading. A 2 TEMPERATURE SETTING BUTTONS SWING A 햳 SLEEP ON/OFF 햲 TEMP.
, OWNER S MANUAL - 9 BEFORE OPERATION 6 FLAP CONTROL BUTTON Controls the discharge air flow direction up and down. ( Refer to p.20 ) On start up, the flaps open automatically according to the operating mode. If you press this button, the flap will move stepwise and the position will be displayed. If you press this button again, the unit operates at “SWING” mode. At operating mode “SWING”, the flap will swing up and down continuously.
, OWNER S MANUAL - 10 BEFORE OPERATION Remote Control Display A 햲 햳 햴 햶 햵 햷 5 Indicates the selected temperature. 6 Indicates flap modes SWING AUTO 햸 햹 User selected position 햺 SWING A 1 Indicates the selected operating mode. A Automatic position Swing up and down 7 Indicates the reserved status of SLEEP timer or EVERYDAY timer. 8 Indicates the reservation time of ON timer and OFF timer or the current time. 9 Indicates the selected fan speed.
, OWNER S MANUAL -11 BEFORE OPERATION REMOTE CONTROL PREPARATION Replacing Batteries 1 Remove the cover of the battery compartment at the back of the remote control by sliding it out in the direction of the arrow. 2 Remove the used batteries and 3 Press the RST button with a sharp insert new batteries. The remote control uses two alkaline batteries. (1.5V, LR03x2) object to reset the remote control . SLEEP ON/OFF TEMP. RST TA MODE FAN FLAP RST TA LR03(AM4)1.
, OWNER S MANUAL - 12 BEFORE OPERATION Signal Receiving The remote control will only function when operated within 5 meters of the unit. • You can hear a beeping sound from the unit in the following cases, which indicates that the signal is received. 5m maximum CAUTION • The air conditioner will not operate if curtains, doors or other materials block the signals from the remote control to the unit.
, OWNER S MANUAL - 13 UNIT OPERATION AUTOMATIC OPERATION Automatic operation means that the air conditioner operates automatically by selecting the COOL or HEAT mode and automatically changes the fan speed according to the indoor condition to keep the room temperature comfortable. PROCEDURE 1 ON/OFF button Press this button and the unit starts AUTO operation. A 2 MODE button If the unit is operating in another mode, press the MODE button to select AUTO. A 햲 SLEEP ON/OFF TEMP.
, OWNER S MANUAL - 14 UNIT OPERATION MANUAL OPERATION PROCEDURE 1 ON/OFF button Press this button and the AUTO operation is indicated. • A receiving beep is heard. • The green UNIT on lamp of the indoor unit display illuminates. 2 MODE button A Press this button to select the desired operation mode. AUTO DRY COOL FAN HEAT 3 FAN SPEED button Press this button to select the desired fan speed. AUTO LOW MED HIGH A 햲 SLEEP ON/OFF 4 TEMP.( TEMP.
, OWNER S MANUAL - 15 UNIT OPERATION TIMER OPERATION ON Timer PROCEDURE 1 ON TIMER button Press this button. On start up, time is set at 6:00 A.M.. 2 HOUR, MINUTE buttons A Press these buttons to set the start-up time desired while the ON Timer symbol is flashing. 3 RESERV. button A Press this button when pointing the remote control towards the receiver of the indoor unit. • A receiving beep is heard. • TIMER lamp of the indoor unit illuminates. SLEEP ON/OFF TEMP.
, OWNER S MANUAL - 16 UNIT OPERATION OFF Timer PROCEDURE 1 OFF TIMER button Press this button. In the beginning, the time is set at 2:00 A.M. . A 2 HOUR, MINUTE buttons Press these buttons to set the stop time desired while the OFF Timer symbol is flashing. A 3 RESERV. button SLEEP ON/OFF TEMP. MODE FAN Press this button by pointing the remote control towards the receiver of the indoor unit. • A receiving beep is heard. • TIMER lamp of the indoor unit illuminates.
, OWNER S MANUAL - 17 UNIT OPERATION Combination of ON, OFF and EVERYDAY Timer PROCEDURE 햳 햲 햲 햳 For example when you want the operation to start at 5:30 P.M. and stop at 10:30 P.M.. 1 Reserve the ON Timer at 5:30 P.M.. 2 Reserve the OFF Timer at 10:30 P.M.. 3 Set the operation mode as desired. Or when you want to stop the operation at 10:30 P.M. and start again at 7:30A.M. with the same condition. 1 Reserve the OFF Timer at 10:30 P.M. during operation. 2 Reserve the ON Timer at 7:30 A.M..
, OWNER S MANUAL - 18 UNIT OPERATION Cancellation of ON, OFF and EVERYDAY Timer PROCEDURE the ON TIMER button to cancel the ON Timer 1 Press or press OFF TIMER button to cancel the OFF Timer. To cancel the EVERYDAY Timer reservation, press the EVERYDAY, ON TIMER or OFF TIMER button. A the CANCEL button by pointing the remote 2 Press control towards the receiver of the indoor unit. • A receiving beep is heard. • TIMER lamp of the indoor unit lights off. A SLEEP ON/OFF TEMP.
, OWNER S MANUAL - 19 UNIT OPERATION Sleep Timer This function enables the user to automatically switch off the unit. PROCEDURE If you want to stop the operation after 3 hours from now. the SLEEP button 3 times 1 Press • 3:hr will be displayed and the SLEEP signal will be flashing. • After 5 seconds, the stopping time will be displayed. • The unit operates in sleep mode for 3 hours and will switch off at the end of the 3 hours. • To change the reserved time or to cancel, press the SLEEP Button again.
, OWNER S MANUAL - 20 UNIT OPERATION DISCHARGE AIR LOUVER CONTROL Up and Down Control The air discharge direction can be controlled to swing up and down and can be fixed at a preferred position or at automatic position by the remote control. 햲 햷 AUTO 햶 햵 SWING 햳햴 CLOSE 햷 햶 햵 햴 햳 햲 Fixed 햷 햶 COOL 햵 햴 햳 햲 HEAT 햷 COOL Swing Range 햳 Auto Position HEAT • If you select the Flap position using the FLAP button in the remote control, the flap in the unit will move to that position automatically.
, OWNER S MANUAL - 21 UNIT OPERATION EMERGENCY AND TEST OPERATION EMERGENCY TEST Emergency Operation When the remote control is lost, damaged or the battery is discharged, the EMERGENCY button can be used to run the unit. • Press the EMERGENCY button at the off mode condition. - The unit operates automatically according to the room temperature by selecting either the cooling or the heating operation.
, OWNER S MANUAL - 22 UNIT OPERATION AIR CLEANING OPERATION Information for filters • Filters Air filters Option 1 : Active carbon filter/Photo-catalyst filter Option 2 : Active carbon filter/Electrostatic filter • Air filters eliminate dust and lint • Optional Active carbon filter/Photo-catalyst filter effectively eliminates odor and cigarette smoke in the room air. • Optional Active carbon filter/Electrostatic filter is particularly effective in eliminating odor and micro scopic dust.
, OWNER S MANUAL - 23 CARE AND MAINTENANCE POINTS TO NOTE Operating Condition • Temperature ranges suitable for unit operation are as follows. MODE COOL HEAT DRY INDOOR 21 ~ 32°c Below 27°c 17 ~ 32°c OUTDOOR 21 ~ 43°c Below 21°c 12 ~ 43°c • When the unit operates above or below these conditions for a long time, system diagnostics may detect a malfunction and the unit will not operate properly.
, OWNER S MANUAL - 24 CARE AND MAINTENANCE Frost Prevention of Indoor Unit When the unit operates (on cooling) at a low ambient temperature, frost may appear on the indoor coil. When the indoor coil temperature is below 0°c, the microcomputer makes the compressor stop to protect the unit from frost. Normal Operation Any of the following can occur during normal operation: • A sound like a “GURGLE” can sometimes be heard during operation or when the unit stops.
, OWNER S MANUAL - 25 CARE AND MAINTENANCE CLEANING THE FILTERS AND FRONT PANEL Cleaning the Air Filter NOTE • Turn off the unit and pull out the power plug. • Clean the air filters once a month. the front panel and pull the the filters with a vacuum the filters under running 1 Liftair filters 2 Clean 3 Rinse downward. cleaner. water, and dry them completely, and then refit them correctly into their guides.
, OWNER S MANUAL - 26 CARE AND MAINTENANCE CLEANING THE MAIN UNIT • Use only a damp soapy towel. • Do not pour water onto the unit, and do not use petrol, solvents or abrasive powder which may result in damage of the unit. ; ;;; NOTE • When cleaning the unit, first turn it off and pull out the power plug. AFTER-SEASON CARE 1 Clean the filters and refit them into the unit. the unit is to be switched off for an extended 2 Ifperiod, run the unit on FAN only for two hours to dry inside of the unit.
, OWNER S MANUAL - 27 TROUBLESHOOTING Trouble Unit does not operate Cooling is abnormally low. Heating is abnormally low. Unit stops during operation. Check Points Action Check that the power cord is plugged into the wall outlet. Insert the power cord into the wall outlet. Has the circuit breaker tripped or has the fuse blown? Reset the circuit breaker or replace the fuse with the specified replacement fuse. Has there been a power failure? Restart operation when power is resumed.
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