Hitachi RAC-70YHA3 Instruction Manual Download

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REGULAR INSPECTION

PLEASE CHECK THE FOLLOWING POINTS BY QUALIFIED SERVICE PERSONNEL 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 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 the power supply.

CAUTION

3. MAINTENANCE BEFORE LONG OFF PERIOD

Con rm

Air Blow

●

Run the unit by setting the operation mode to (COOL),
the temperature to 32°C and the fan speed to HI for about
half a day on a ne day, and dry the whole of the unit.

●

Switch off the power plug.

Summary of Contents for RAC-70YHA3

Page 1: ...OOR UNIT OUTDOOR UNIT RAS 70YHA3 RAS 80YHA3 MODEL RAS 70YHA3 RAC 70YHA3 RAS 80YHA3 RAC 80YHA3 SPLIT TYPE RAC 70YHA3 RAC 80YHA3 Instruction manual Page 1 24 To obtain the best performance please read this instruction manual completely ...

Page 2: ...cur if you remove and reinstall the unit yourself improperly If the supply cord is damaged it must be replaced by the special cord obtainable at authorized service parts centers W A R N I N G During thunder storm disconnect and turn off the circuit breaker WARNING PRECAUTIONS DURING INSTALLATION Do not reconstruct the unit Water leakage fault short circuit or re may occur if you reconstruct the un...

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 This appliance is not intended for...

Page 4: ... RAS 80YHA3 RAC 70YHA3 RAC 80YHA3 HEIGHT mm 333 800 DEPTH mm 245 298 MODEL NAME AND DIMENSIONS OUTDOOR UNIT DRAIN PIPE Condensed water drain to outside CONNECTING CORD AIR INLET BACK LEFT SIDE AIR OUTLET Air purifying lters are washable and can be use in 1 year time Type number for this air purifying lter is SPX CFH19 Please use this number for ordering when you want to renew it Air purifying lter...

Page 5: ...10 minutes each time 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 out when the AUTO SWING button is pressed while the device is on STANDBY MODE TEMPORARY SWITCH Use this switch to start and stop when the remote controller does not work Use non conductor stick example toothpick By pressing t...

Page 6: ...trols the angle of the vertical air de ectors to symmetry TIMER control Use this button to set the timer OFF TIMER button Select the turn OFF time ON TIMER button Select the turn ON time RESERVE button Time setting reservation CANCEL button Cancel time reservation REMOTE CONTROLLER This controls the operation of the indoor unit Signal range to reach indoor is about 7 meters If inverter lamp is use...

Page 7: ...type outdoor unit As the settings are stored in memory in the remote 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 HEAT COOL or DEHUMIDIFY depending on the current room temperature However the mode of oper...

Page 8: ... ultra 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 Press the START STOP button Heating 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 t...

Page 9: ...top the indoor unit will stop emitting air as soon as the room temperature becomes lower than the setting temperature The preset room temperature may not be reached depending on the number of people present in the room or other room conditions 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 f...

Page 10: ... speed slower SILENT Fan speed ultra 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 se...

Page 11: ...n Fan operation starts with a beep Press the button again to stop operation START STOP 1 2 For the heating operation For the cooling operation The fan speed will automatically change according to the temperature of discharged air When the difference of room temperature and setting temperature is large fan starts to run at HI speed When the room temperature reaches setting temperature fan speed cha...

Page 12: ...The setting of the current time is now complete Example The current time is 1 30 p m 3 Point the signal window of the remote controller toward the indoor unit and press the RESERVE button The OFF mark starts lighting instead of ashing and the sign RESERVED lights A beep occurs and the TIMER lamp lights on the indoor unit 2 Set the turn off time with the TIMER control button The setting of turn off...

Page 13: ... lights and the ON mark blinks NOTE You can set only one of the OFF timer ON timer and ON OFF timer 4 Set 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 ashing and the RESERVED sign lights A beep occurs and the TIMER lamp lights on the indoor unit Example Th...

Page 14: ...n 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 2Press 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 ...

Page 15: ...d 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 de ectors swing left and right to parallel If the button is pressed again the de ectors stop in their current position Several second about 6 seconds may be required before the de ectors start to move If the SYMMETRY SWING button is pressed once the vertic...

Page 16: ...ake out the batteries when you do not use the remote controller for 2 or 3 months CAUTION CIRCUIT BREAKER When you do not use the room air conditioner set the circuit breaker to OFF TEMPORARY SWITCH If the remote controller does not work due to battery failure press this switch to start and stop operation This temporary operation will be at the setting made most recently The unit will immediately ...

Page 17: ...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 pre lter will reduce the air volume and the cooling ef ciency To prevent from wasting electric energy please clean the pre lter every 2 weeks Please pay attention to the room temperature and air ow direction when operating the unit ...

Page 18: ...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 10W 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 Products Caution To avoid noise interfere...

Page 19: ...re lters push the front panel at three arrow portion as shown in gure and close it Cleaning and 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 Claws 4 places 1 2 3 4 In case of removing the air purifying lters please foll...

Page 20: ...t 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 at more than 40 C The lter may shrink When washing it shake off moisture completely and dry it in the shade do not expose it directly to the sun The lter may shrink Do not use detergent on the air purifying lter as some ...

Page 21: ...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 of indoor unit it causes trouble Method of removing the front panel Be sure to hold the front panel with both hands to detach and attach it When the front panel is fully opened with both han...

Page 22: ...stable 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 the power supply CAUTION 3 MAINTENANCE BEFORE LONG OFF PERIOD Con rm Air Blow Run the unit by setting the operation mode to COOL the temperature to 32 C and the fan spe...

Page 23: ...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 your sales agent immediately if the air conditioner still fails to operate normally after the above inspections Inform your agent of the model of your unit production number date of installation Please also inform him r...

Page 24: ...12 19 Outdoor Dry bulb C 21 46 2 21 Wet bulb C 15 26 1 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 ...

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