Hitachi RAC-51CA3 Instruction Manual Download Page 1

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ENGLISH

SPLIT TYPE AIR CONDITIONER

INDOOR UNIT/OUTDOOR UNIT

MODEL

RAS-51CA3/RAC-51CA3
RAS-63CA3/RAC-63CA3

OUTDOOR UNIT

INDOOR UNIT

Instruction manual

Page 1~24

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

RAS-51CA3
RAS-63CA3

RAC-51CA3
RAC-63CA3

Summary of Contents for RAC-51CA3

Page 1: ...UNIT MODEL RAS 51CA3 RAC 51CA3 RAS 63CA3 RAC 63CA3 OUTDOOR UNIT INDOOR UNIT Instruction manual Page 1 24 To obtain the best performance and ensure years of trouble free use please read this instruction manual completely RAS 51CA3 RAS 63CA3 RAC 51CA3 RAC 63CA3 ...

Page 2: ...nstall near location where there is flammable gas The outdoor unit may catch fire if flammable gas leaks around it Please ensure smooth flow of water when installing the drain hose CAUTION PRECAUTIONS DURING SHIFTING OR MAINTENANCE Should abnormal situation arises like burning smell please stop operating the unit and turn off the circuit breaker Contact your agent Fault short circuit or fire may o...

Page 3: ...windows opened the room humidity is always above 80 and with the air deflector facing down or moving automatically for a long period of time water will condense on the air deflector 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 exampl...

Page 4: ...er 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 Connecting cord and insulation pipe for piping Air inlet Back and Left side Air outlet WIDTH mm 1030 850 750 MODEL RAS 51CA3 RAS 63CA3 RAC 63CA3 RAC 51CA3 HEIGHT mm 295 650 570 DEPTH mm 183 298 280 MODEL NAME AND DIMENSIONS In relation to outdoor uni...

Page 5: ...tting OPERATION INDICATOR This figure shows the opening condition of front panel Refer to page 19 in relation to how to open or close the front panel 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 indicates that it is time to clean the filter The lam...

Page 6: ...e more quickly OFF TIMER button Select the turn OFF time ON TIMER button Select the turn ON time TIME button Use this button to set and check the time and date RESET button FUNCTION selector Use this button to select the operating mode Every time you press it the mode will change from AUTO to COOL to DEHUMIDIFY to CIRCULATION and to FAN cyclically FAN SPEED selector This determines the fan speed E...

Page 7: ... button Operation starts with a beep Press the button again to stop operation You can raise or lower the temperature setting as necessary by maximum of 3 C Press the temperature button and the temperature setting will change by 1 C each time The preset temperature and the actual room temperature may vary somewhat depending on conditions The display does not indicate the preset temperature in the A...

Page 8: ...s the room will become cool quickly MED Quiet LOW More quiet 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 temperature for cooling If the temperature setting is 27 C the room temperature will be controlled at around 27 C The temperature setting and the actual room temperature may vary some how dependin...

Page 9: ...re RESET 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 Set the desired room temperature with the TEMPERATURE button the display indicates the setting The range of 20 26 C is recommended as the room temperature for dehumidifying Press the START STOP button Dehumidifying operation starts ...

Page 10: ... the FAN SPEED button Press the START STOP button Fan operation starts with a beep Press the button again to stop operation 1 2 START STOP RESET Note In the fan operation mode only display of FAN SPEED setting will change by pressing FAN SPEED button the actual fan speed cannot be changed directly from HI to LOW mode RESET CIRCULATION OPERATION Press the FUNCTION selector so that the display indic...

Page 11: ...deflector moves and stops at the position where the air outlet closes When cooling dehumidifying CAUTION In Cooling operation do not keep the horizontal air deflector swinging for a long time Some dew may form on the horizontal air deflector and dew may drop Adjustment of the conditioned air in the upward and downward directions The horizontal air deflector is automatically set to the proper angle...

Page 12: ...e CANCEL button The RESERVED sign goes out with a beep and the TIMER lamp turns off on the indoor unit 1 Set the current month and day with the TIMER control button 1 Press the OFF TIMER button The OFF mark blinks on the display 1 Press the ON TIMER button the ON mark blinks on the display 2 Set the turn off time with the TIMER control button Press the RESERVE button 3 Press the ON TIMER button so...

Page 13: ... now complete Example The device will turn off at 11 00p m Example The device will automatically turn on earlier so that the preset temperature can be reached at 7 00 a m The setting of the turn on time is now complete 4Set the turn on time with the TIMER control button 5 Point the signal window of the remote controller toward the indoor unit and press the RESERVE button The ON mark starts lightin...

Page 14: ...played on the remote controller The TIMER lamp lights with a beep from the indoor unit When the sleep timer has been set the display indicates the turn off time Example If you set 3 hours sleep time at 11 38 p m the turn off time is 2 38 a m 2 Press the SLEEP button and set the sleep timer The device will be turned off by the sleep timer and turned on by on timer How to Cancel Reservation Point th...

Page 15: ...re and the FAN SPEED will be set to LOW setting 1 hour after the setting of the sleep timer Fan Operation with the sleep timer If date or current time is not set sleep timer can not be set If you set the sleep timer after the off on off or off on timer has been set the sleep timer becomes effective instead of the off on off or off on timer set You can not set other timer during sleep timer operati...

Page 16: ...e old batteries 2 Install the new batteries The direction of the batteries should match the marks in the case 1 Do not use new and old batteries or different kinds of batteries together 2 Take out the batteries when you do not use the remote controller for 2 or 3 months CAUTION Push and pull to the direction of arrow ...

Page 17: ...her 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 filter will reduce the air volume and the cooling efficiency To prevent from wasting electric energy please clean the filter every 2 weeks Please pay attention to the room temperature and air flow direction when operating the unit for baby children and o...

Page 18: ...ndoor 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 OFF Interference From Electrical Products Inverter type fluorescent lamp To prevent interference place at least 1m away TV Caution To avoid noise interference please place the indoor unit ...

Page 19: ... out only by qualified service personal Before cleaning stop operation and switch off the power supply CAUTION CAUTION Do not bend the air cleansing and deodorizing filter as it may cause damage to the structure NOTE In case of removing the air cleansing and deodorizing filters please follow the above procedures The cooling capacity is slightly weakened and the cooling speed becomes slower when th...

Page 20: ... soft bristle brush Allow filters to dry in shade 3 Re insert the air cleansing and deodorizing filter to the filter frame Set the filter with FRONT mark facing front and slot them into the original state After attaching the filters push the front panel at three arrow portions as shown in figure and close it CAUTION Do not wash with hot water at more than 40 C The filter may shrink When washing it...

Page 21: ... the 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 Arm When the front panel is fully opened with both hands push the right ar...

Page 22: ...QUALIFIED SERVICE PERSONAL EITHER EVERY HALF YEARLY OR YEARLY CONTACT 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 firmly plugged into the socket Please ensure no loose contact between them Air Blow Cleaning and maintenance must be carried out only by q...

Page 23: ...lowing 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 filter and the evaporator regularly must be cleaned to reduce the odor Please co...

Page 24: ...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 Please note On switching on the equipment particularly when the room light is dimmed a slight brightness fluctuation may occur This is of no consequence The conditions of the local Power Supply Companies are to be observed ...

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