Toshiba RAS-18LAH-A Owner'S Manual Download Page 1

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Thank you very much for purchasing TOSHIBA
Air Conditioner. Please read this owner’s
manual carefully before using your
Air Conditioner.

Indoor Unit

Outdoor Unit

RAS-18LKH-A

RAS-18LAH-A

RAS-22LKH-A

RAS-22LAH-A

For general public use

(SPLIT TYPE)

OWNER’S MANUAL

AIR CONDITIONER

SLEEP

ON/OFF

TEMP.

Summary of Contents for RAS-18LAH-A

Page 1: ... Conditioner Please read this owner s manual carefully before using your Air Conditioner Indoor Unit Outdoor Unit RAS 18LKH A RAS 18LAH A RAS 22LKH A RAS 22LAH A For general public use SPLIT TYPE OWNER S MANUAL AIR CONDITIONER SLEEP ON OFF A A TEMP ...

Page 2: ...OWNER S MANUAL ...

Page 3: ...OMATIC OPERATION MANUAL OPERATION TIMER OPERATION DISCHARGE AIR LOUVER CONTROL EMERGENCY AND TEST OPERATION AIR CLEANING OPERATION CARE AND MAINTENANCE POINTS TO NOTE CLEANING THE FILTERS AND FRONT PANEL CLEANING THE MAIN UNIT AFTER SEASON CARE TROUBLESHOOTING CONTENTS 2 6 6 8 11 13 13 14 15 20 21 22 23 23 25 26 26 27 ...

Page 4: ...el When working on air conditioning equipment observe precautions in the literature tags and labels attached to the unit Use the correct voltage Using voltage other than specified will damage the unit Check the power plug If the power plug is not inserted tightly or if there is any damage to the power cord it could result in leakage or electric shock Do not use the power cord as a means of turning...

Page 5: ...The power cord will get damaged and it can cause electric shock To avoid the risk of serious electric shock never splash the indoor and the outdoor unit with water Do not put hands or objects into the discharge grille of outdoor unit This unit has a fan running at high speed It is very dangerous to touch the fan Use only fuses of the proper amperage WARNING WARNING WARNING WARNING WARNING OWNER S ...

Page 6: ...h units This will block air flow reduce the cooling effect and may result in unit malfunction Ventilate the room when it becomes stuffy or filled with undesirable odors Keep heat sources away from the unit high temperature can cause damage Set a comfortable temperature Very low or very high temperature setting consider ably increase power consumption yyy yyy yyy yyy yyy yyy WARNING WARNING WARNING...

Page 7: ...ing the room draw curtains or blinds Use the timer correctly to maintain comfort conditions Please read this owner s manual carefully before operating the unit It contains further important instructions for proper operation WARNING WARNING WARNING WARNING yyy yyy yyy yy yy yy yy yy yy yy y y yy yy yy yy yy OWNER S MANUAL 5 ...

Page 8: ...YST 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 UNIT DESCRIPTION Indoor Unit Outdoor Unit OWNER S MANUAL 6 OPTION 1 ELECTROSTATIC FILTER ...

Page 9: ...the unit is in reservation mode an orange light will be displayed 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 For the usage of EMERGENCY and TEST buttons refer to EMERGENCY AND TEST OPERATION p 21 Indoor Unit Display EMERGENCY TEST OWNER S MANUAL 7 ...

Page 10: ...op cooling operation In HEAT mode if the room temperature is lower than the setting the compressor will automatically turn on to provide a heating effect If the room temperature is higher than the setting the compressor will automatically turn off to stop heating operation However the indoor fan will continue to circulate air even if the compressor is turned off SLEEPTIMER BUTTON Press this button...

Page 11: ...TTONS Press the RESERV button to reserve the ON OFF Timer and press the CANCEL button to cancel the reserved on off time Refer to pp 15 18 EVERYDAYTIMER BUTTON Press the EVERYDAY button and the on off time you have reserved will be repeated until cancelled Refer to pp 15 18 CURRENTTIMEADJUSTING BUTTON Press this button to adjust the current time Refer to p 11 RESET BUTTON Press this button when th...

Page 12: ...ghts up when the unit is operating Indicates the selected temperature Indicates flap modes Indicates the reserved status of SLEEP timer or EVERYDAY timer Indicates the reservation time of ON timer and OFF timer or the current time Indicates the selected fan speed 1 2 3 4 5 6 7 8 9 Remote Control Display COOL DRY FAN A HEAT AUTOMATIC CHANGEOVER OWNER S MANUAL 10 A SWING A 햲 햳 햴 햷 햸 햺 햵 햶 햹 Automati...

Page 13: ... match the address of the remote control to that of the unit Remove the lid of the battery case Assign the address switch of one remote control as B Press the RST button with a sharp object Turn off the unit and pull out the power plug Remove the front panel Terminal block cover and Frame grille Pull out the PCB Assign the address switch of one indoor unit as B 1 2 3 MatchingAddress between Indoor...

Page 14: ...gnals from the remote control to the unit Avoid spilling liquid onto the remote control or dropping it This can cause deformation discoloration and malfunction If the infrared signal receiver on the unit is exposed to direct sunlight the air conditioner may not work properly Draw the curtains to avoid direct sunlight A mounting bracket for the remote control is supplied with the unit Install the m...

Page 15: ... changes the fan speed according to the indoor condition to keep the room temperature comfortable AUTOMATIC OPERATION 1 2 3 4 5 6 SLEEP MODE FAN FLAP CLOCK EVERYDAY HOUR MINUTE RESERV RST TA TIMER ON OFF CANCEL A A TEMP ON OFF OWNER S MANUAL 13 햲 햷 햳 햴 햶 햵 NOTE When the room temperature is between 21 c 29 c If the room temperature is lower 1 c or more than the set temperature HEAT mode will operat...

Page 16: ... unit display illuminates MODE button Press this button to select the desired operation mode AUTO DRY COOL FAN HEAT FAN SPEED button Press this button to select the desired fan speed AUTO LOW MED HIGH TEMP button Press these buttons to set the desired temperature FLAP button Press this button to control the desired air flow direction ON OFF button Press this button and AUTO operation is indicated ...

Page 17: ... When the ON Timer is set the unit monitors the room temperature for 1hour before the set time to make sure the room condition is reached by the reserve time The actual on time of the unit is earlier that the reserved time by 0 to 40 minutes according to the difference between room temp and set temp 1 2 3 4 NOTE The current time is not indicated during the reservation of ON OFF Time When you want ...

Page 18: ... time desired while the OFF Timer symbol is flashing RESERV button 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 1 2 3 PROCEDURE SLEEP MODE FAN FLAP CLOCK EVERYDAY HOUR MINUTE RESERV RST TA TIMER ON OFF CANCEL A A TEMP ON OFF OWNER S MANUAL 16 햲 햳 햴 ...

Page 19: ...start operation at 5 30 P M and stop at 10 30 P M everyday with the same operating condition Reserve the ON Timer at 5 30 P M Reserve the OFF Timer at 10 30 P M Press the EVERYDAY button and RESERV button NOTE Refer to pp 15 16 for the setting method and refer to p 18 for the canceling method of the ON OFF and EVERYDAY Timers In the ON and OFF Timer operation the earlier setting compared to the cu...

Page 20: ...unit lights off 1 2 NOTE If you cancel the ON Timer or OFF Timer reservation while EVERYDAY Timer is reserved EVERYDAY Timer will be automatically canceled When the electricity fails while EVERYDAY Timer is reserved EVERYDAY Timer reservation will be canceled Reserve the EVERYDAY Timer again after the electricity comes on The current time will not be indicated and the TIMER lamp of the indoor unit...

Page 21: ...SLEEP Button again 1 hr 2 hr 3 hr 7 hr 9 hr Cancel When the SLEEP Timer is set the unit will control the set temperature to avoid overcooling or overheating in operation Set temperature is changed as shown below SLEEP 1 2 NOTE When the SLEEP timer is set the luminosity of the unit lamps will be dimmed so as not to interrupt the sleep The SLEEP timer can be combined with the ON timer Refer to p 17 ...

Page 22: ...ition according to the operation mode Always use the remote control to adjust the flap position otherwise it may cause abnormal operation Please turn off the unit and turn it on again when you manually adjust the flap out of range Left and Right Control If you want to adjust the direction of the discharge air left or right adjust the vertical louver with the handle after opening the flap Please do...

Page 23: ...r direction SWING 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 If you want to stop the emergency operation push the EMERGENCY butto...

Page 24: ...ashed under running water and can be refreshed by exposing under direct sun light Exposed time is 6 hours after using 3 months Refer to CLEANING THE FILTERS AND FRONT PANEL p 25 ACTIVE CARBON FILTER Black color OPTIONAL PHOTO CATALYST FILTER Blue color OPTIONAL or ELECTROSTATIC FILTER White color OPTIONAL STANDARD AIR FILTER Filters Air filters Option 1 Active carbon filter Photo catalyst filter O...

Page 25: ... mode there will be a preheating period before the unit is ready to deliver warm air When the outdoor temperature is low the heating capacity will be reduced If the room air is not warm enough during severe winter conditions use additional heating devices Defrost Operation In the heating mode when the outdoor coil is frosted the indoor fan and outdoor fan will turn off while the compressor will tu...

Page 26: ...e sound of the refrigerant flowing through the unit Bad smells can come from the unit Smells such as smoke or cosmetics can accumulate while room air circulates through the unit Cleaning the filters will reduce this problem The outdoor fan does not rotate during heating operation The unit is in defrost mode UNIT ON lamp on the indoor unit display flashes and no air comes from the unit It indicates...

Page 27: ...vacuum cleaner Rinse the filters under running water and dry them completely and then refit them correctly into their guides 1 2 3 Lift the front panel and pull the optional Photo catalyst filter downward Blow off the dust from the filter with fresh air or wash the filter under running water Expose under direct sun light for 6 hours and refit it correctly into its guide 1 2 3 Lift the front panel ...

Page 28: ...damage of the unit When cleaning the unit first turn it off and pull out the power plug Clean the filters and refit them into the unit If the unit is to be switched off for an extended period run the unit on FAN only for two hours to dry inside of the unit Clean the indoor and outdoor unit Use only a damp soapy towel AFTER SEASON CARE 3 OWNER S MANUAL 26 ...

Page 29: ...ck and reset it if necessary Are the windows or doors open Close the windows and doors Is anything obstructing the outdoor unit Remove the obstruction Is the fan speed too low Change the fan speed selection Is the filter blocked with dust Clean the air filter Has the temperature been set too low Check and reset it if necessary Are the windows or doors open Close the windows and doors Is anything o...

Page 30: ...P N 42QG8Q5404C ...

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