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Hitachi RAC-S18CZT, Instruction Manual

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ENGLISH

INDOOR UNIT/OUTDOOR UNIT

OUTDOOR UNIT

INDOOR UNIT

RAS-S18CZT
RAS-S24CZT

MODEL

RAS-S18CZT/RAC-S18CZT
RAS-S24CZT/RAC-S24CZT

Instruction manual

 Page 

1~22

To obtain the best performance and ensure years of trouble free use, please read this instruction 
manual completely.

      

23~44

         

RAC-S24CZT

SPLIT TYPE

RAC-S18CZT

cover S18-24CZT english   1

10/29/12   3:37 PM

Summary of Contents for RAC-S18CZT

Page 1: ...NIT RAS S18CZT RAS S24CZT MODEL RAS S18CZT RAC S18CZT RAS S24CZT RAC S24CZT Instruction manual Page 1 22 To obtain the best performance and ensure years of trouble free use please read this instruction manual completely 23 44 RAC S24CZT SPLIT TYPE RAC S18CZT ...

Page 2: ...location where there is ammable gas The outdoor unit may catch re if ammable gas leaks around it Please ensure smooth ow of water when installing the drain hose CAUTION PRECAUTIONS DURING SHIFTING OR MAINTENANCE PRECAUTIONS DURING OPERATION Avoid an extended period of direct air ow for your health W A R N I N G Should abnormal situation arises like burning smell please stop operating the unit and ...

Page 3: ...r will condense on the air de ector and drips down occasionally This will wet your furniture Therefore do not operate under such condition for a long time If the amount of heat in the room is above the cooling or heating capability of the unit for example more people entering the room using heating equipments and etc the preset room temperature cannot be achieved Do not climb on the outdoor unit o...

Page 4: ...CATORS Light indicator showing the operating condition Refer page 5 HORIZONTAL DEFLECTOR VERTICAL DEFLECTOR AIR OUTLET Refer page 13 REMOTE CONTROLLER Send out operation signal to the indoor unit So as to operate the whole unit Refer page 6 DRAIN PIPE Condensed water drain to outside CONNECTING CORD AND INSULATION PIPE FOR PIPING AIR INLET BACK LEFT SIDE AIR OUTLET DRAIN PIPE Condensed water drain...

Page 5: ...using the temporary switch after the power source is turned off and turn on again the operation is done in automatic mode OPERATION INDICATOR TIMER LAMP This lamp lights when the timer is working OPERATION LAMP This lamp lights during operation 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 o...

Page 6: ...ntrols the angle of the vertical air de ectors to parallel STOP button Press this button to stop operation only SUPER SILENT button Use this button to set silent condition FAN SPEED selector This determines the fan speed Every time you press this button the intensity of circulation will change from AUTO to HI to MED to LOW AUTO SWING button Controls the angle of the horizontal air de ector TEMPERA...

Page 7: ...ED button the display indicates the setting AUTO The FAN SPEED is HI at rst and varies to MED or LOW automatically when the preset temperature has been reached HI Economical as the room will become cool quickly MED Fan speed slow LOW Fan speed slower Set the desired room temperature with the TEMPERATURE button the display indicates the setting The range of 25 28 C is recommended as the room temper...

Page 8: ...current room temperature regardless of the temperature setting The function will stop the indoor unit will stop emitting air as soon as the room temperature becomes lower than the setting temperature As the settings are stored in memory in the remote controller you only have to press the DEHUMIDIFY button next time Set the desired room temperature with the TEMPERATURE button the display indicates ...

Page 9: ...ing fan speed and timer value on remote controller will remain no change 1 CANCELLATION of SUPER SILENT Operation Cancel Condition Operation mode after cancel Press button Sleeping timer time is up Stop operation Press button Next fan speed operation NOTE Under SUPER SILENT operation and quiet environment phenomena like owing noise of refrigerant in the refrigerating cycle may occur but this is no...

Page 10: ...ol button to set to the desired temperature As the settings are stored in memory in the remote controller you only have to press the CIRCULATION button next time 1 3 Press the STOP button to stop operation STOP 2 Circulation Function During circulation operation compressor will not be running and there is no cooling operation with only indoor fan running When the setting temperature is higher than...

Page 11: ...ation will be displayed on the remote controller The TIMER lamp lights with a beep from the indoor unit SLEEP 4 Indication 1 hr 2 hrs 3 hrs 10 hrs 11 hrs 12 hrs Sleep timer off 4 4 Explanation of the sleep timer The device will control the FAN SPEED and room temperature automatically so as to be quiet and good for people s health You can not set other timer during sleep timer operation After sleep...

Page 12: ...N TIMER by pressing the ON Button Setting time will change according to the below sequence ON Timer Reservation Operation will start for setting temperature at setting time The starting time may different depend on the room temperature and set temperature ...

Page 13: ...r swinging for a long time Some dew may form on the horizontal air de ector and dew may drop 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 Horizontal air de ector 2...

Page 14: ...ifferent kinds of batteries together 2 Take out the batteries when you do not use the remote controller for 2 or 3 months 3 Use high quality and high performance AAA batteries to avoid short operating life and electrolyte leakages CAUTION 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 re...

Page 15: ...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 Dusty air lter will reduce the air volume and the cooling ef ciency To prevent from wasting electric energy please clean the lter every 2 weeks Please pay attention to the room temperature and air ow direction when operating the unit for ...

Page 16: ...e achieved When the indoor unit is not to be used for a long period of time please switch off the power from the mains If the power from mains remains ON the indoor unit still consumes about 8W in the operation control circuit even if it is in OFF mode Warning To protect the whole unit during lightning please stop operating the unit and remove the plug from the socket Interference From Electrical ...

Page 17: ...maintenance must be carried out only by quali ed service personnel Before cleaning stop operation and switch off the power supply CAUTION CAUTION Do not bend the air purifying lter as it may cause damage to the structure NOTE In case of removing the air purifying lters please follow the above procedures The cooling capacity is slightly weakened and the cooling speed becomes slower when the air pur...

Page 18: ...o much dust rinse pre lter under running tap water and gently brush it with soft bristle brush Allow lters to dry in shade 3 Re insert the air purifying lter to the lter frame Set the pre lter with FRONT mark facing front and slot them into the original state After attaching the pre lters push the front panel at three arrow portions as shown in gure and close it CAUTION Do not wash with hot water ...

Page 19: ...he front panel with both hands to detach and attach it CAUTION Do not splash or direct water to the body of the unit when cleaning it as this may cause short circuit Never use hot water above 40 C benzine gasoline acid thinner or a brush because they will damage the plastic surface and the coating Removing the Front Panel When the front panel is fully opened with both hands push the right arm to t...

Page 20: ...ONTACT YOUR SALES AGENT OR SERVICE SHOP Is the earth line disconnected or broken Is the mounting frame seriously affected by rust and is the outdoor unit tilted or unstable Is the plug of power line rmly plugged into the socket Please ensure no loose contact between them Cleaning and maintenance must be carried out only by quali ed service personnel Before cleaning stop operation and switch off th...

Page 21: ...g noise of refrigerant in the refrigerating cycle 2 Slight rubbing noise from the fan casing which is cooled and then gradually warmed as operation stops The odor will possibly be emitted from the room air conditioner because the various odor emitted by smoke foodstuffs cosmetics and so on sticks to it So the air lter and the evaporator regularly must be cleaned to reduce the odor Please contact y...

Page 22: ...f the local Power Supply Companies are to be observed Minimum Maximum Indoor Dry bulb C 21 32 Wet bulb C 15 23 Outdoor Dry bulb C 21 43 Wet bulb C 15 26 Note 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 Cooling ...

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