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Hitachi RAC-70YHA, Instruction Manual

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Hitachi RAC-70YHA Instruction Manual Download Page 4

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INDOOR UNIT

OUTDOOR UNIT

WIDTH (mm)

MODEL

RAS-70YHA

RAC-70YHA

HEIGHT (mm)

DEPTH (mm)

MODEL NAME AND DIMENSIONS

NAMES AND FUNCTIONS OF EACH PART

AIR FILTER

To prevent dust from coming into the indoor unit.
(Refer page 19)

FRONT PANEL (AIR INLET).

INDOOR UNIT INDICATORS

Light indicator showing the operating condition.
(Refer page 5)

REMOTE CONTROL

Send out operation signal to the indoor unit. So as to
operate the whole unit.
(Refer page 6)

1030

850

295

800

191

298

DRAIN PIPE

Condensed water drain to outside.

CONNECTING CORD

AIR INLET (BACK, LEFT SIDE)

AIR OUTLET

RAS/RAC-70YHA pg1-11

5/10/05, 4:34 PM

4

Summary of Contents for RAC-70YHA

Page 1: ...EL RAS 70YHA RAC 70YHA OUTDOOR UNIT INDOOR UNIT RAS 70YHA RAC 70YHA Instruction manual Page 1 23 To obtain the best performance and ensure years of trouble free use please read this instruction manual completely RAS RAC 70YHA pg1 11 5 10 05 4 34 PM 1 ...

Page 2: ...hock exists Do not install 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...

Page 3: ... 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 This is not intended for use by young children or infirm persons unless they have been adequately supervised by a responsible person to ensure that they can use the appliance safely Young children should be sup...

Page 4: ...oor unit Refer page 19 FRONT PANEL AIR INLET INDOOR UNIT INDICATORS Light indicator showing the operating condition Refer page 5 REMOTE CONTROL Send out operation signal to the indoor unit So as to operate the whole unit Refer page 6 1030 850 295 800 191 298 DRAIN PIPE Condensed water drain to outside CONNECTING CORD AIR INLET BACK LEFT SIDE AIR OUTLET RAS RAC 70YHA pg1 11 5 10 05 4 34 PM 4 ...

Page 5: ... to clean the filter The lamp goes out when the POWER SWITCH set to OFF and ON again TEMPORARY SWITCH Use this switch to start and stop when the remote controller does not work By pressing the temporary switch the operation is done in automatic mode OPERATION INDICATOR This figure shows the opening condition of front panel Refer to page 20 in relation to how to open or close the front panel TEMPOR...

Page 6: ... these buttons to raise or lower the temperature setting Keep pressed and the value will change more quickly TIME button Use this button to set and check the time and date RESET buttons FUNCTION selector Use this button to select the operating mode Every time you press it the mode will change from AUTO to HEAT to DEHUMIDIFY to COOL and to FAN cyclically FAN SPEED selector This determines the fan s...

Page 7: ...ton 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 AUTO mode If you change the setting the indoor unit...

Page 8: ...o MED or LOW automatically when the preset temperature has been reached HI Economical as the room will become warm quickly But you may feel a chill at the beginning MED Fan speed slow LOW Fan speed slower Set the desired room temperature with the TEMPERATURE buttons the display indicates the setting The temperature setting and the actual room temperature may vary somewhat depending on conditions P...

Page 9: ...ng 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 Press the START STOP button Dehumidifying operation starts with a beep Press the button...

Page 10: ...W Fan speed slower Set the desired room temperature with the TEMPERATURE button the display indicates the setting The temperature setting and the actual room temperature may vary some how depending on conditions Press the START STOP button Cooling operation starts with a beep Press the button again to stop operation The cooling function does not start if the temperature setting is higher than the ...

Page 11: ...ure is large fan starts to run at HI speed After room temperature reaches the preset temperature the cooling operation which changes the fan speed and room temperature to obtain optimum conditions for natural healthful cooling will be performed For the cooling operation FAN OPERATION You can use the device simply as an air circulator Use this function to dry the interior of the indoor unit at the ...

Page 12: ...ED 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 that the OFF mark lights ...

Page 13: ...trol button The setting of turn off time is now complete Example The device will turn off at 11 00p m Example The device will turn on 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...

Page 14: ...ights 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 the signal window of the remote controller toward ...

Page 15: ...t the sleep timer to turn off after 1 2 3 or 7 hours 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 operation NOTE RAS RAC 70YHA pg12 24 5 10 05 4 36 PM 15 ...

Page 16: ...orning 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 old folks who have difficulty in mov...

Page 17: ...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 and its remote co...

Page 18: ...nce must be carried out only by qualified service personal Before cleaning stop operation and switch off the power supply CAUTION CAUTION Do not bend the Nano Titanium filter as it may cause damage to the structure NOTE In case of removing the Nano Titanium filters please follow the above procedures The cooling capacity is slightly weakened and the cooling speed becomes slower when the Nano Titani...

Page 19: ...ristle 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 shake ...

Page 20: ...ing Removing the Front Panel When the front panel is fully opened with both hands push the right arm to the inside to release it and while closing the front panel slightly pull it out forward Attaching the Front Panel Move the projections of the left and right arms into the Flanges in the unit and securely insert them into the holes Projection Hole Flange 3 MAINTENANCE AT BEGINNING OF LONG OFF PER...

Page 21: ...llows The wire which is coloured green and yellow must be connected to the terminal in the plug which is marked with the letter E or by the earth symbol or coloured green or green and yellow The wire which is coloured blue must be connected to the terminal which is marked with the letter N or coloured black The wire which is coloured brown must be connected to the terminal which is marked with the...

Page 22: ...bbing 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 please clean the air filter and the evaporator regularly to reduce the odor Please contact your sales agent immediately if the air conditioner still fails...

Page 23: ... 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 minim...

Page 24: ... 24 H316 A RAS RAC 70YHA pg12 24 5 10 05 4 36 PM 24 ...

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