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OPERATION
MANUAL
Instruction manual
To obtain the best performance, please read this instruction manual completely.
คู ่ ม ื อ การใช ้ ง าน
เพื อได ้รั บ การทํ า งานที ดี ท ี สุ ด โปรดอ่ า นคู ่ ม ื อ อย่ า งละเอี ย ด
< H1081: G >
INDOOR UNIT
RAS-E70YCAB
OUTDOOR UNIT
RAC-E70YCAB
Page 1~26
หน ้า 27~54
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Summary of Contents for Hitachi RAS-E70YCAB
- Page 1 OPERATION MANUAL INDOOR UNIT RAS-E70YCAB OUTDOOR UNIT RAC-E70YCAB Instruction manual Page 1~26 To obtain the best performance, please read this instruction manual completely. คู ่ ม ื อ การใช ้ ง าน หน ้า 27~54 เพื อได ้รั บ การทํ า งานที ดี ท ี สุ ด โปรดอ่ า นคู ่ ม ื อ อย่ า งละเอี ย ด...
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Page 2: Safety Precaution
SAFETY PRECAUTION Please read the “Safety Precaution” carefully before operating the unit to ensure correct usage of the unit. ● Pay special attention to signs of “ Warning” and “ Caution”. The “Warning” section contains matters which, if not ● observed strictly, may cause death or serious injury. - Page 3 PRECAUTIONS DURING OPERATION The product shall be operated under the manufacturer specifi cation and not for ● any other intended use. Do not attempt to operate the unit with wet hands, this could cause fatal accident. ● During thunder storm, disconnect and turn off the circuit breaker. ●...
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Page 4: Names And Functions Of Each Part
OUTDOOR UNIT DRAIN PIPE Condensed water drain to outside. CONNECTING CORD AND INSULATION PIPE FOR PIPING AIR INLET (BACK, LEFT SIDE) AIR OUTLET MODEL NAME AND DIMENSIONS HEIGHT (mm) WIDTH (mm) DEPTH (mm) MODEL RAS-E70YCAB 1100 RAC-E70YCAB – 4 –... - Page 5 INDOOR UNIT INDICATORS OPERATION LAMP This lamp lights during operation. TIMER LAMP This lamp lights when the timer is working. FROST WASH LAMP This lamp lights when the Frost Wash function is in operation. Please refer to page 11 for the details of Frost Wash operation.
- Page 6 NAMES AND FUNCTIONS OF REMOTE CONTROLLER ■ This controls the operation function and timer setting of the room air conditioner. The range of control is about 7 meters. If indoor lighting is controlled electronically, the range of control may be shorter. Signal Transmission Transmission Sign MODE selector Button...
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Page 7: Cooling Operation
COOLING OPERATION Use the device for cooling when the outdoor temperature is 10~ 46°C. If indoors humidity is very high (80%), some dew may form on the air outlet grille of the indoor unit. Press the MODE selector button so that the display indicates (COOL). -
Page 8: Dehumidifying Operation
DEHUMIDIFYING OPERATION Use the device for dehumidifying when the room temperature is over 16°C. When it is under 15°C, the dehumidifying function will not work. Press the MODE selector button so that the display indicates (DEHUMIDIFY). The fan speed is set at LOW. Press (FAN SPEED) button to select SILENT or LOW fan speed. -
Page 9: Fan Operation
FAN OPERATION User can use the device simply as an air circulator. Press the MODE selector button so that the display indicates (FAN). Press the (FAN SPEED) button. (HIGH) (MED) (LOW) (SILENT) START Press the (ON/OFF) button. Fan operation starts with a beep. Press the button again to stop operation. -
Page 10: Powerful Operation
POWERFUL OPERATION By pressing (POWERFUL) button during DEHUMIDIFYING, COOLING, FAN, operation, the air ● conditioner performs at maximum power. During POWERFUL operation, cooler air fl ow will be blown out from indoor unit for COOLING operation ● respectively. Press the (POWERFUL) button during operation. - Page 11 FROST WASH OPERATION (For single model connection) The dust and dirt adhering to indoor heat exchanger which is the cause of the smell. They are washed away by ● freezing and thawing of the heat exchanger. Frost Wash function can work when outdoor temperature is 21°C to 43°C, indoor temperature is 21°C to 32°C and ●...
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Page 12: Auto Clean Operation
AUTO CLEAN OPERATION (GENERAL INFORMATION) Use this function to dry the interior of the indoor unit and keep it clean. This function performs clean operation automatically when Cooling & Dry operation is stopped. ■ To Enable Auto Clean Operation During Standby Operation, press &... -
Page 13: Eco Operation
ECO OPERATION ■ Energy saving operation by changing set temperature and by limiting the maximum power consumption value. By pressing the (ECO) button during Dehumidifying or Cooling operation, the air conditioner performs the "ECO" operation. Press (ECO) button during operation. “... -
Page 14: Silent Operation
SILENT OPERATION By pressing (SILENT) button during DEHUMIDIFYING, COOLING or FAN operation, the fan speed ● will change to ultra slow. ■ To start SILENT operation Press (SILENT) button during operation. ● “ ” is displayed on the LCD. Fan speed will be ultra slow. ■... - Page 15 HOW TO SET THE SLEEP TIMER By pressing (SLEEP) button during DEHUMIDIFYING, COOLING or FAN operation, the unit shifts the room temperature and reduces the fan speed. Mode Indication 1 hour 2 hours 3 hours 7 hours Sleep timer Sleep timer off Air Sleep Timer: The device will continue working for the designated number of hours and then turn off.
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Page 16: Adjusting The Air Flow Direction
ADJUSTING THE AIRFLOW DIRECTION Adjust the airfl ow upward and downward According to operation, the horizontal air defl ector is automatically set to the proper angle suitable for each operation. The defl ector can be swings up and down and also set to the desired angle using the “ (AUTO SWING)”... - Page 17 THE IDEAL WAYS OF OPERATION Suitable Room Temperature Install curtain or blinds Warning It is possible to reduce heat Freezing temperature entering the is bad for health and a room through waste of electric power. windows. Ventilation Effective Usage Of Timer At night, please use the “OFF or ON timer Caution operation mode”, together with your wake up...
- Page 18 FOR USER’S INFORMATION The Air Conditioner And The Heat Source In The Room Caution If the amount of heat in the room is above the cooling capability of the air conditioner (for example: more people entering the room, using heating equipments and etc.), the preset room temperature cannot be achieved.
- Page 19 ATTACHING THE AIR PURIFYING FILTERS Open the front panel Pull up the front panel by holding it at both sides with ● both hands. Remove the Pre-fi lter Push upward to release the claws and pull out the ● Pre-fi lter. Attaching the air purifying fi...
- Page 20 CLEANING CAUTION Ensure unit and power supply is switched off before cleaning. ● Avoid touching any metal parts directly and do not use wet hands. ● Cleaning shall be carried out by competent person and able to follow below ● instruction.
- Page 21 CLEANING OF FRONT PANEL 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 ●...
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Page 22: Regular Inspection
CAUTION Please use earth line. ● Do not place the earth line near water or gas pipes, lightning-conductor, or the earth line of telephone. Improper installation of earth line may cause electric shock. A circuit breaker should be installed depending on the mounting site of the unit. Without a circuit ●... - Page 23 AFTER SALE SERVICE AND WARRANTY WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS CONDITION CHECK THE FOLLOWING POINTS If the remote controller is Do the batteries need replacement? ● not transmitting a signal. Is the polarity of the inserted batteries correct? ●...
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Page 24: Circuit Breaker
Please note: On switching on the equipment, particularly when the room light is dimmed, a slight brightness fl uctuation may occur. This is of no consequence. The conditions of the local Power Supply Companies are to be observed. Note Avoid to use the room air conditioner for cooling operation when the outside temperature is below ●...