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Hitachi RAC-S18CE, Instruction Manual, Page: 27 / 28

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Hitachi RAC-S18CE Instruction Manual Download Page 27

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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.

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

Summary of Contents for RAC-S18CE

Page 1: ... 1 ...

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 PRECAUTIONS DURING OPERATION Avoid an extended period of direct air flow for your health W A R N I N G Should abnormal situation arises like burning smell please stop o...

Page 3: ...er 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 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...

Page 4: ...indoor unit Refer page 23 FRONT PANEL AIR INLET INDOOR UNIT INDICATORS Light indicator showing the operating condition Refer page 5 HORIZONTAL DEFLECTOR VERTICAL DEFLECTOR AIR OUTLET Refer page 18 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 ...

Page 5: ...operation mode When the operation is done 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...

Page 6: ...nt Display This indicates the room temperature selected current time timer status function and intensity of circulation selected START STOP button Press this button to start operation Press it again to stop operation SLEEP button Use this button to set the sleep timer SUPER SILENT button Use this button to set silent condition SUPER COOLING button Use this button to set super cooling operation AUT...

Page 7: ...ote controller you only have to press the START STOP button next time Press the FUNCTION selector so that the display indicates the AUTO mode of operation When AUTO has been selected the device will automatically determine the mode of operation COOL or Dehumidify depending on the initial room temperature and outdoor temperature Press the START STOP button Operation starts with a beep Press the but...

Page 8: ...ATURE buttons 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 somewhat depending on conditions Press the START STOP button Cooling operation starts with a beep Press the button again to s...

Page 9: ... 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 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 C Press the START STOP button Dehumidifying operation starts w...

Page 10: ... this function to dry the interior of the indoor unit at the end of summer Press the FUNCTION selector so that the display indicates FAN Press 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 ...

Page 11: ...AN SPEED the display indicates your choice Press the temperature control button to set to the desired temperature Press the START STOP button Circulating operation starts with a beep Press the button again to stop operation As the settings are stored in memory in the remote controller you only have to press the START STOP button next time 2 1 3 START STOP ...

Page 12: ...ill be in COOL mode Temperature and fan speed will change to previous setting Air blow sound will be slightly high due to forced operation 1 NOTE 1 OFF TIME setting OFF timer will be a priority over the SUPER COOLING operation time 2 ON TIME setting SUPER COOLING operation will be a priority over the ON timer operation time CANCELLATION of SUPER COOLING Operation Cancel Condition Operation mode af...

Page 13: ...l remain no change 1 CANCELLATION of SUPER SILENT Operation Cancel Condition Operation mode after cancel Press button OFF timer time is up Sleeping timer time is up Stop operation Press SUPER COOL button SUPER COOL operation Press button Press SUPER SILENT button Next fan speed operation Existing operation mode NOTE Under SUPER SILENT operation and quiet environment phenomena like flowing noise of...

Page 14: ...gnal window of the remote controller toward the indoor unit and press the 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 TIME...

Page 15: ...e will turn off at 11 00p m Example The device will turn on early so that the preset temperature be almost 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 lighting instead of flashing and the RESERVED sign ...

Page 16: ...displayed 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...

Page 17: ...nt 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 earlier You can not set other timer during sleep timer operation After sleep timer time is up and when press sleep button again the sleep timer will be set as last setting Sleep timer effective onl...

Page 18: ...e deflector can be swung up and down continuously and also set to the desired angle using the AUTO SWING button If the PARALLEL SWING button is pressed once the vertical air deflectors swing left and right to parallel If the button is pressed again the deflectors stop in their current position Several second about 6 seconds may be required before the deflectors start to move If the SYMMETRY SWING ...

Page 19: ...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 20: ...r 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 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 f...

Page 21: ...ns 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 OFF Interference From Electrical Products Inverter type fluorescent lamp To prevent interference place at least 1m away TV Caution To avoid noise...

Page 22: ...hing the air cleansing filters to the filter Attach the air cleansing filters to the frame by gently compress its both sides and release after insertion into filter frame Do not bend the air cleansing filter as it may cause damage to the structure In case of removing the air cleansing filters please follow the above procedures The cooling capacity is slightly weakened and the cooling speed becomes...

Page 23: ...ing tap water and gently brush it with soft bristle brush Allow filters to dry in shade Re insert the air cleansing 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 Do not wash with hot water at more than 40 C The filter may shrink Whe...

Page 24: ...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 25: ...ALES 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 qualified service personal Before cleaning stop operation and switch off the ...

Page 26: ...ng 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 contac...

Page 27: ...of 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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