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Hitachi RAC-E25YHA, Instruction Manual, Page: 1 / 24

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TYPE AIR CONDITIONER

MODEL

RAS-E25YHA/RAC-E25YHA

INDOOR UNIT/OUTDOOR UNIT

INDOOR UNIT

Instruction manual

Page 1~20

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

OUTDOOR UNIT

RAC-E25YHA

RAS-E35YHA /RAC-E35YHA

RAC-E35YHA

RAS-E25YHA

RAS-E35YHA

R32

Summary of Contents for RAC-E25YHA

Page 1: ...A INDOOR UNIT OUTDOOR UNIT INDOOR UNIT Instruction manual Page 1 20 To obtain the best performance and ensure years of trouble free use please read this instruction manual completely OUTDOOR UNIT RAC E25YHA RAS E35YHA RAC E35YHA RAC E35YHA RAS E25YHA RAS E35YHA R32 ...

Page 2: ...e and reinstall the unit Electric shock or fire may occur if you remove and reinstall the unit yourself improperly WARNING PRECAUTIONS DURING INSTALLATION PRECAUTIONS DURING SHIFTING OR MAINTENANCE OFF PROHIBITION Avoid an extended period of direct air flow for your health Do not connect the power calbe with an extension cable or do not plug too many leads of the other electric appliance into the ...

Page 3: ...as it is bad for the plants or animals Do not climb on the outdoor unit or put objects on it PROHIBITION PROHIBITION PROHIBITION DON T TOUCH DON T TOUCH When operating the unit with the door and windows opened the room humidity is always above 80 and with the air deflector facing down or moving automati cally for a long period of time water will condense on the air deflector and drips down occasio...

Page 4: ... and drain pipe on the drain port and drain water MODEL WIDTH mm HEIGHT mm DEPTH mm 780 280 218 750 548 288 RAC 25YHA RAC 35YHA Air outlet When heating operation is performed cool air blows and when cooling or dehumidifying operation is performed warm air blows Drain hose Drains the dehumidified water from the indoor unit to the outdoor during cooling or dehumidifying operation Piping and Wiring A...

Page 5: ...rcuit breaker when the power is supplied from the outdoor unit Attaching the Wasabi Air Cleaning Attach the to the C case by gently compress its both sides and release after insertion into filter frame The cooling capacity is slightly weakened and the cooling speed becomes slower when the and reusable up to 20 times by using vacuum cleaner or water rinse under running tap water When you want to re...

Page 6: ...ff and on or unplug the power cord and plug it in again This is to protect the device and does not indicate a failure If you press the FUNCTION selector button during operation the device may stop for about 3 minutes for protection Signal Transmission Use this button to select the operating mode Every time you press it the mode will change from Transmission Sign The transmission sign blinks when a...

Page 7: ... remote controller If you intend not to continue the operation when the power is resumed switch off the power supply When you switch on the circuit breaker the operation will be automatically restarted with previous operation mode and airflow direction Note 1 If you do not require Auto Restart Control please consult your sales agent 2 Auto Restart Control is not available when Timer or Sleep Timer...

Page 8: ... the air which blows out HI Economical as the room will become warm quickly But you may feel a chill at the beginning MED Quiet LOW More quiet SILENT Silent 2 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 3 As the settings are stored in memory in the r...

Page 9: ...he FUNCTION selector Set the desired temperature is available You also can use the FUNCTION selector to select this operation Dehumidifying Function Dehumidifying takes place with a target temperature which is slightly lower than the room temperature setting However target temperature is 16 C for a temperature setting of 16 C If the room temperature becomes lower than the target value operation st...

Page 10: ...m on the air outlet grille of the indoor unit Press the FUNCTION selector so that the display indicates COOL 1 Set the desired FAN SPEED with the FAN SPEED button the display indicates the setting AUTO The FAN SPEED is HI at first and varies to MED automatically when the preset temperature has been reached HI Economical as the room will become cool quickly MED Quiet LOW More quiet SILENT Silent 2 ...

Page 11: ...e FAN SPEED button HI The strongest air blow MED Quiet LOW More quiet SILENT Silent 2 FAN SPEED AUTO When the AUTO fan speed mode is set in the cooling heating operation For the heating operation The fan speed will automatically change according to the temperature of discharged air As room temperature reaches the preset temperature a very light breeze will blow Operation starts in the HI mode to r...

Page 12: ...FUL operation START Press the Press the START STOP button or POWERFUL button again disappears from the LCD CANCEL NOTE When ECO mode is selected POWERFUL operation is cancelled During POWERFUL operation capacity of the air conditioner will not increase if the air conditioner is already running at maximum capacity just before defrost operation when the air conditioner is running in HEATING operatio...

Page 13: ... operation power consumption START Press START STOP button Press ECO button again disappears from the LCD CANCEL NOTE In case the power consumption is already low ECO operation will not reduce the power consumption By pressing POWERFUL button ECO operation is cancelled After auto restart ECO operation is cancelled and previous operation mode shall start By pressing the ECO button during Heating Au...

Page 14: ...OTE If you set the sleep timer when the off time or on timer has been set earlier the sleep timer becomes effective instead of the off or on off timer set earlier Press START STOP button Room air conditioner will switch off Press SLEEP button again until off time and controller display A beep sound emitted from indoor unit and the TIMER lamp on the indoor unit turns off SLEEP TIMER operation is ca...

Page 15: ... 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 about 80 a b o u t 1 0 about 15 a b o u t 7 5 When cooling dehumidifying When heating If the AUTO SWING HORIZONTAL button is pressed once the horizontal air deflector swings up and down If the button is pressed again the deflector stops in its current pos...

Page 16: ...hing 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 When washing it shake off moisture completely and dry it in the shade do not expose it directly to the sun The filter may shrink Don t operate the unit without filter Fault may occur if you continue CAUTION Please clean the filter once abo...

Page 17: ...his 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 3 MAINTENANCE AT BEGINNING OF LONG OFF PERIOD Run the unit by setting the operation mode to FAN and the fan speed to HI for about half a day on a fine day and dry the whole of the unit Switch off the power plug or turn off the circuit brea...

Page 18: ...performance The air conditioner is designed to heat an entire room so that it may take some time before you feel warm Timer operation is recommended for effective preheating ahead of the desired time Cooling and Dehumidifying Capabilities If the heat present in a room exceeds the unit s cooling capacity for example if there are many people in the room or other heating appliances are used the prese...

Page 19: ... mode selected Are the air inlets or air outlets of indoor and outdoor units blocked Is the fan speed LOW or SILENT When it does not operate When it does not cool well When it does not heat well If the remote controller is not transmitting a signal Remote controller display is dim or blank The following phenomena do not indicate unit failure Operation start The unit is preparing to blow warm air P...

Page 20: ... according to room temperature changes Mist is generated as the air within the room is suddenly cooled by conditioned air Water generated during defrosting operation evaporates and steam is emitted Caused as the smells and particles of smoke food cosmetics etc present in room air become attached the unit and blown off into the room again Defrosting is underway as the heating operation is stopped t...

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