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Hitachi RAC-70YHA4, Manual, Page: 1 / 26

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SPLIT  TYPE  AIR  CONDITIONER

INDOOR  UNIT/OUTDOOR  UNIT

MODEL

RAS-70YHA4  /  RAC-70YHA4
RAS-80YHA4  /  RAC-80YHA4

OUTDOOR  UNIT

INDOOR  UNIT

Instruction  manual

 

Page  1~24

To  obtain  the  best  performance,  please  read  this  instruction  manual  completely.

RAS-70YHA4
RAS-80YHA4

RAC-70YHA4
RAC-80YHA4

RAS-RAC-70-80YHA4 (1-16).indd   1

RAS-RAC-70-80YHA4 (1-16).indd   1

08/09/2016   10:48 AM

08/09/2016   10:48 AM

Summary of Contents for RAC-70YHA4

Page 1: ...YHA4 RAC 80YHA4 OUTDOOR UNIT INDOOR UNIT Instruction manual Page 1 24 To obtain the best performance please read this instruction manual completely RAS 70YHA4 RAS 80YHA4 RAC 70YHA4 RAC 80YHA4 RAS RAC 70 80YHA4 1 16 indd 1 RAS RAC 70 80YHA4 1 16 indd 1 08 09 2016 10 48 AM 08 09 2016 10 48 AM ...

Page 2: ...n is rotating at a high speed it will cause injury Before cleaning be sure to stop the operation and turn the breaker OFF During thunder storm disconnect and turn off the circuit breaker Do not use any conductor as fuse wire this could cause fatal accident Spray cans and other combustibles should not be located within a meter of the air outlets of both indoor and outdoor units As a spray can s int...

Page 3: ...ture cannot be achieved This appliance can be used by children aged from 8 years and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the appliance Cleaning and user maintenance shall not be...

Page 4: ...ate 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 Left side Air outlet WIDTH mm 1100 850 MODEL RAS 70YHA4 RAS 80YHA4 RAC 70YHA4 RAC 80YHA4 HEIGHT mm 300 800 DEPTH mm 250 298 MODEL NAME AND DIMENSIONS When heating operation drain or defrosted water flows out from outdoor unit Don t close drain outlet...

Page 5: ...one in automatic mode OPERATION INDICATOR OPERATION LAMP This lamp lights during operation The OPERATION LAMP flashes in the following cases during heating 1 During preheating For about 2 3 minutes after starting up 2 During defrosting Defrosting will be performed about once every one hour when frost forms on the heat exchanger of the outdoor unit for 5 10 minutes each time TIMER LAMP This lamp lig...

Page 6: ... 6 NAMES AND FUNCTIONS OF EACH PART RAS RAC 70 80YHA4 1 16 indd 6 RAS RAC 70 80YHA4 1 16 indd 6 08 09 2016 10 48 AM 08 09 2016 10 48 AM ...

Page 7: ... 7 VARIOUS FUNCTIONS AUTOMATIC OPERATION RAS RAC 70 80YHA4 1 16 indd 7 RAS RAC 70 80YHA4 1 16 indd 7 08 09 2016 10 48 AM 08 09 2016 10 48 AM ...

Page 8: ... 8 HEATING OPERATION RAS RAC 70 80YHA4 1 16 indd 8 RAS RAC 70 80YHA4 1 16 indd 8 08 09 2016 10 48 AM 08 09 2016 10 48 AM ...

Page 9: ... 9 DEHUMIDIFYING OPERATION RAS RAC 70 80YHA4 1 16 indd 9 RAS RAC 70 80YHA4 1 16 indd 9 08 09 2016 10 48 AM 08 09 2016 10 48 AM ...

Page 10: ... 10 COOLING OPERATION RAS RAC 70 80YHA4 1 16 indd 10 RAS RAC 70 80YHA4 1 16 indd 10 08 09 2016 10 48 AM 08 09 2016 10 48 AM ...

Page 11: ... 11 FAN OPERATION RAS RAC 70 80YHA4 1 16 indd 11 RAS RAC 70 80YHA4 1 16 indd 11 08 09 2016 10 48 AM 08 09 2016 10 48 AM ...

Page 12: ... 12 TIMER RESERVATION POWERFUL OPERATION RAS RAC 70 80YHA4 1 16 indd 12 RAS RAC 70 80YHA4 1 16 indd 12 08 09 2016 10 48 AM 08 09 2016 10 48 AM ...

Page 13: ... 13 ECO OPERATION RAS RAC 70 80YHA4 1 16 indd 13 RAS RAC 70 80YHA4 1 16 indd 13 08 09 2016 10 48 AM 08 09 2016 10 48 AM ...

Page 14: ... 14 HOW TO SET THE SLEEP TIMER RAS RAC 70 80YHA4 1 16 indd 14 RAS RAC 70 80YHA4 1 16 indd 14 08 09 2016 10 48 AM 08 09 2016 10 48 AM ...

Page 15: ...nto the air outlet or inlet as the fan is rotating at a high speed it will cause injury Before any cleaning or adjusting the deflectors be sure to switch OFF the operation WARNING RAS RAC 70 80YHA4 1 16 indd 15 RAS RAC 70 80YHA4 1 16 indd 15 08 09 2016 10 48 AM 08 09 2016 10 48 AM ...

Page 16: ... 16 HOW TO EXCHANGE THE BATTERIES IN THE REMOTE CONTROLLER RAS RAC 70 80YHA4 1 16 indd 16 RAS RAC 70 80YHA4 1 16 indd 16 08 09 2016 10 48 AM 08 09 2016 10 48 AM ...

Page 17: ...ly Dusty pre 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 movement THE IDEAL WAYS OF OPERATION Caution Do not close the room for a long period of time Occasion...

Page 18: ...Electrical Products Caution To avoid noise interference please place the indoor unit and its remote controller at least 1m away from electrical products Warning To protect the whole unit during lightning please stop operating the unit and remove the plug from the socket Caution If the amount of heat in the room is above the cooling capability of the air conditioner for example more people entering...

Page 19: ...ter as it may cause damage to the structure Please do not smell direct from source of filter NOTE In case of removing the air purifying filters please follow the above procedures The cooling capacity is slightly weakened and the cooling speed becomes slower when the air purifying filters are used So set the fan speed to HIGH when using it in this condition Air purifying filters are not washable It...

Page 20: ...ilter using vacuum cleaner If there is too much dust wipe the filter with wet clotch or sponge Allow filters to dry in shade 3 Re insert the air purifying filter to the filter frame Set the Pre filter with FRONT mark facing front and slot them into the original state After attaching the Pre filters push the front panel at three arrow portions as shown in figure and close it CAUTION Do not operate ...

Page 21: ...e Flanges in the unit and securely insert them into the holes Remove the front panel and wash with clean water Wash it with a soft sponge After using neutral detergent wash thoroughly with clean water When front panel is not removed wipe it with a soft dry cloth Wipe the remote controller thoroughly with a soft dry cloth Wipe the water thoroughly If water remains at indicators or signal receiver o...

Page 22: ... 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 letter L or coloured red NOTE I...

Page 23: ...ually 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 contact your sales agent immediately if the air conditioner still fails to operate normally after the above inspections Inform yo...

Page 24: ...nimum Maximum Indoor Dry bulb C 21 32 20 27 Wet bulb C 15 23 12 19 Outdoor Dry bulb C 10 46 15 21 Wet bulb C 26 15 Note Avoid to use the room air conditioner for cooling operation when the outside temperature is below 10 C 14 F The recommended maximum and minimum operating temperatures of the hot and cold sides should be as below Cooling Heating RAS RAC 70 80YHA4 17 24 indd 24 RAS RAC 70 80YHA4 17...

Page 25: ... 25 MEMO RAS RAC 70 80YHA4 17 24 indd 25 RAS RAC 70 80YHA4 17 24 indd 25 08 09 2016 11 52 AM 08 09 2016 11 52 AM ...

Page 26: ... 26 MEMO RAS RAC 70 80YHA4 17 24 indd 26 RAS RAC 70 80YHA4 17 24 indd 26 08 09 2016 11 52 AM 08 09 2016 11 52 AM ...

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