Toshiba RAS-18UAH-E, Owner'S Manual

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Page 2: ...f the air conditioner is continuously operated with something abnormal it may cause machine failure electric shock fire and so on Do not spill water or other liquid on the indoor unit If the unit is wet it may cause an electric shock WARNING ABOUT MOVEMENT AND REPAIR Do not move nor repair any unit by yourself Since there is high voltage inside the unit you may get an electric shock when removing ...

Page 3: ...lectric shock Do not place any combustion appliance in a place where it is directly exposed to wind of the air conditioner otherwise it may cause imperfect combustion When the air conditioner won t be used for a considerably long time turn off the main switch or the circuit breaker for safety Disconnection from the power supply prevents the unit from lightning and power source surge Do not put a v...

Page 4: ...mp Green 3 3 3 3 3 FILTER lamp Orange 4 4 4 4 4 PRE DEF lamp Orange 5 5 5 5 5 TIMER lamp Yellow 6 6 6 6 6 OPERATION lamp Green Orange The operation lamps flash rapidly five times per second when safety protection features come into operation When the auto restart function is in operation the OPERATION lamp is orange TEMPORARY button If you misplace or lose the remote control or its batteries are e...

Page 5: ...d in a sequence that goes from A Auto changeover control Cool Dry Heat Fan only and back to A A receiving beep is heard 4 4 4 4 4 Temperature button The set temperature is increased up to 30 C 9 The set temperature is dropped down to 17 C A receiving beep is heard 5 5 5 5 5 Fan speed button FAN Press this button to select fan speed When you select AUTO the fan speed is automatically adjusted accor...

Page 6: ...eed display Indicates the selected fan speed AUTO or one of five fan speed levels LOW LOW MED MED HIGH can be indicated Indicates AUTO when the operating mode is either AUTO or Dry 5 5 5 5 5 TIMER and clock time display The time set for timer operation or clock time is indicated The present time is always indicated except for TIMER operation 6 6 6 6 6 Hi POWER display Indicates when the Hi POWER o...

Page 7: ...Each press of the TIMER button changes the time by one minute Pressing the TIMER button continually changes the time by ten minutes 3 3 3 3 3 SET SET button Press the SET SET button The current time is indicated and the clock starts Preparing the filters 1 1 1 1 1 Open the Air inlet grille with both hands until the stop position 2 2 2 2 2 Remove the Air filters from the Front panel 3 3 3 3 3 Insta...

Page 8: ... consult your local dealer CAUTION Location of the remote control Keep the remote control where its signals can reach the receiver of the indoor unit a distance of 7m is allowed When you select the timer operation the remote control automati cally transmits a signal to the indoor unit at the specified time If you keep the remote control in a position that hinders proper signal transmission a time ...

Page 9: ...ted Stop START STOP button Press this button again to stop the air conditioner AUTOMATIC OPERATION AUTO CHANGEOVER When you set the air conditioner in A mode or switch over from AUTO operation because of some settings change it will automatically select cooling heating or fan only operation depending on the room temperature see page 15 Start 1 1 1 1 1 START STOP button Press this button to start t...

Page 10: ... Heating 28 C or lower When the air conditioner is in FAN ONLY operation the temperature display is not indicated 4 4 4 4 4 Fan speed button FAN Select one of AUTO LOW LOW MED MED HIGH The OPERATION lamp green on the display panel of the indoor unit goes on And operation starts after approximately 3 minutes if you select FAN ONLY mode the unit will start immediately The Fan only mode does not cont...

Page 11: ... you cannot set the timer Follow the instructions in the section SETTING THE CLOCK on page 6 to set the clock and then set the timer CAUTION When you select the timer operation the remote control automatically transmits the timer signal to the indoor unit at the specified time Therefore keep the remote control in a location where it can transmit the signal to the indoor unit properly If you do not...

Page 12: ...to the current time is activated first If the same time is set for both ON and OFF timers no timer operation is performed Also the air conditioner may stop operating Every day combined timer setting both ON and OFF timer simultaneously and activate every day This feature is useful when you want to use combined timer at the same time every day Setting combined TIMER 1 Press the ON ON button 2 Press...

Page 13: ...er button the MEMORY setting is cancelled Operation modes which can be memorized with the MEMO button are MODE Temperature FAN TIMER and Hi POWER To operate the air conditioner with the setting memorized by the MEMO button 1 1 1 1 1 PRESET button Press the PRESET button The setting memorized with the MEMO button will be indicated and the air conditioner operates with regards to the setting The OPE...

Page 14: ... the air flow direction Perform this function when the air conditioner is in operation 1 1 1 1 1 SWING button Press the SWING button on the remote control To stop the function press the FIX button To change the swing direction press the FIX button and press the SWING button agin The FIX and SWING buttons will be disabled when the air conditioner is not in operation including when the ON TIMER is s...

Page 15: ...e lamp is indicated The auto restart operation will not accept an instruction if timer operation with the remote control is selected The louver swing AUTO operation will not resume after restarting the air conditioner by the AUTO RESTART OPERATION To cancel the auto restart operation proceed as follows Repeat the setting procedure the air conditioner will acknowledge the instruction and beep three...

Page 16: ... operation In the operation suppression zone where capacity is kept to the minimum overheating is prevented by lowering the temperature setting by 1 C after 1 hour and by 2 C after 2 hours of operation The room temperature is thus regulated between the set temperature and the operation suppression zone Automatic operation The air conditioner selects and operates in one of the operating modes of co...

Page 17: ... Get uniform circulation of room air Adjust air flow direction for even circulation of room air HINTS FOR ECONOMICAL OPERATION TEMPORARY operation This function is used to operate the unit temporarily in case you misplace the remote control or its batteries are exhausted Push the TEMPORARY button to start the air conditioner While the substitute operation is set the remote control operation is dis...

Page 18: ... conditioner be sure to turn off the circuit breaker or main power switch WARNING Cleaning of indoor unit and remote control Use a dry cloth to wipe the indoor unit and remote control A cloth dampened with cold water may be used on the indoor unit if it is very dirty Never use a damp cloth on the remote control Do not use a chemically treated duster for wiping or leave such materials on the unit f...

Page 19: ...s recommended to replace the filter once every 3 years Optional Zeolite filter RB A604DE Purifying Filter Clean the Purifying filter once every 2 weeks If the filter is dusty clean it with a vacuum cleaner It is recommended to replace the filter once every 3 months so as to keep the purifying performance When it is very dirty replace it with new one eventhough the period of use is within 3 months ...

Page 20: ...perature is too low to use another heating apparatus in combination with the air conditioner is recommended Consideration for accumulated snow Select the position for the outdoor unit where it will not be subjected to snow drifts accumulation of leaves or other seasonal debris It is important that the air flow of the outdoor unit is not impeded as this will result in reduced heating or cooling per...

Page 21: ...ual condition is observed CAUTION Before you ask for servicing or repairs check the following points Inoperative The power main switch is turned off The circuit breaker is activated to cut off the power supply The main power fuse has blown out Stoppage of electric current The batteries in the remote control are exhausted ON timer is set Poor cooling or heating performance The air inlet or outlet o...

Page 22: ...ting operation In that case the unit automatically performs defrosting for 2 to 10 minutes for raising the heating efficiency In defrosting operation both the indoor and outdoor units stop air flow Hiss sound is heard when flow of the refrigerant is changed for defrosting Resultant water of automatic defrosting in heating operation is drained out of the outdoor unit Air flow changes though the FAN...

Page 23: ...20 Indoor coil assembly Wet bulb Dry bulb 7 Wet bulb 6 Outdoor coil assembly For heating The specifications may be subject to change without notice for purpose of improvement The specified air conditioning capabilities are based on the data determined under the following conditions Air inlet temperature C Dry bulb 27 Indoor coil assembly Wet bulb 19 Dry bulb 35 Wet bulb 24 Outdoor coil assembly Fo...

Page 24: ... be set during fan only operation Symptoms The indication on the display disappears after a lapse of time The TIMER display goes off after a certain period of time Causes Check whether the timer operation has come to an end when the OFF TIMER is indicated on the display Check whether the timer operation has started when the ON TIMER is indicated on the display ON Reason The air conditioner stops s...

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