Hitachi S Series Operation Manual
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Hitachi S Series Operation Manual

Indoor/outdoor unit
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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
< H1058: B >
INDOOR UNIT
RAS-S50YHAB
RAS-S60YHAB
OUTDOOR UNIT
RAC-S50YHAB
RAC-S60YHAB
Page 1~26
หน ้า 27~54

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  • Page 1 OPERATION MANUAL INDOOR UNIT RAS-S50YHAB RAS-S60YHAB OUTDOOR UNIT RAC-S50YHAB RAC-S60YHAB 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 <...

  • 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. When operating the unit with burning equipments, regularly ventilate the ●...

  • Page 4: Names And Functions Of Each Part

    NAMES AND FUNCTIONS OF EACH PART INDOOR UNIT PRE-FILTER To prevent dust from coming into the indoor unit. (Refer page 36) FRONT PANEL INDOOR UNIT INDICATORS Light indicator showing the operating condition. (Refer page 5) ● HORIZONTAL DEFLECTOR VERTICAL DEFLECTOR (AIR OUTLET) OUTDOOR UNIT DRAIN PIPE Condensed water drain to outside.

  • Page 5: Operation Indicator

    INDOOR UNIT INDICATORS OPERATION LAMP This lamp lights during operation. The OPERATION LAMP fl ashes/dimming 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.
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  • Page 20 Within 2 hours before the ON TIMER designated time, Frost wash (auto) would not be operated. When Frost Wash is stopped during the first 25 minutes of operation, the unit will operate Frost Wash operation at the next operation stop. –...
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  • Page 33 THE IDEAL WAYS OF OPERATION Suitable Room Temperature Install curtain or blinds It is possible Warning to reduce Freezing temperature heat entering is bad for health and a the room waste of electric power. through windows. Ventilation Effective Usage Of Timer At night, please use the “OFF or ON timer Caution operation mode”, together with your wake...
  • Page 34 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 35 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 36: Maintenance

    MAINTENANCE CAUTION Cleaning and maintenance must be carried out only by qualifi ed service personnel. Before cleaning, stop operation and switch off the power supply. PRE-FILTER Clean the Pre-fi lter, as it removes dust inside the room. In case the Pre-fi lter is full of dust, the air fl ow will decrease and the cooling capacity will be reduced.

  • Page 37: Cleaning Of Front Panel

    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 ●...

  • Page 38: Regular Inspection

    CAUTION Cleaning and maintenance must be carried out only by qualifi ed service personnel. Before cleaning, stop operation and switch off the power supply. MAINTENANCE AT BEGINNING OF LONG OFF PERIOD Run the unit by setting the operation mode to (COOL), ●...
  • Page 39 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? ●...

  • Page 40: Circuit Breaker

    Note The recommended temperature range for safety testing should be as below: ● Cooling Heating Minimum Maximum Minimum Maximum Dry bulb °C Indoor Wet bulb °C Dry bulb °C –10 –15 Outdoor Wet bulb °C – – CIRCUIT BREAKER When you do not use the room air conditioner, set the circuit breaker to “OFF”. FROST WASH OPERATION (FROST WASH) Indicator blinks...

This manual is also suitable for:

Ras-s50yhabRac-s50yhabRas-s60yhabRac-s60yhab

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