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Hitachi RAS-18CP5 Instruction Manual
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Hitachi RAS-18CP5 Instruction Manual

Hitachi RAS-18CP5 Instruction Manual

Split type air conditioner indoor unit/outdoor unit
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SPLIT TYPE AIR CONDITIONER
INDOOR UNIT/OUTDOOR UNIT
OUTDOOR UNIT
RAC-18CP5
RAC-24CP5
Instruction manual
To obtain the best performance and ensure years
of trouble free use, please read this instruction
manual completely.
MODEL
RAS-18CP5/RAC-18CP5
RAS-24CP5/RAC-24CP5
Page 1~24
– 1 –
INDOOR UNIT
RAS-18CP5
RAS-24CP5

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Summary of Contents for Hitachi RAS-18CP5

  • Page 1 SPLIT TYPE AIR CONDITIONER INDOOR UNIT/OUTDOOR UNIT MODEL RAS-18CP5/RAC-18CP5 RAS-24CP5/RAC-24CP5 INDOOR UNIT OUTDOOR UNIT RAS-18CP5 RAS-24CP5 RAC-18CP5 RAC-24CP5 Instruction manual Page 1~24 To obtain the best performance and ensure years of trouble free use, please read this instruction manual completely.

  • 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. The “Caution” section contains matters which may result in serious consequences if not observed properly.
  • Page 3 PRECAUTIONS DURING OPERATION The product shall be operated under the manufacturer specification 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 room to avoid oxygen insufficiency.

  • Page 4: Names And Functions Of Each Part

    In relation to outdoor unit • Even if operation stops, fan is running for 10 to 60 seconds to reduce heat of electric components. MODEL NAME AND DIMENSIONS DEPTH (mm) MODEL WIDTH (mm) HEIGHT (mm) RAS-18CP5 / RAS-24CP5 1030 RAC-24CP5 RAC-18CP5 – 4 –...
  • Page 5 This lamp lights during operation. TIMER LAMP This lamp lights when the timer is working. HITACHI FILTER LAMP When the device is operated for a total of about 100 hours, the FILTER lamp lights to indicate that it is time to clean the filter.

  • Page 6: Names And Functions Of Remote Control Unit

    NAMES AND FUNCTIONS OF REMOTE CONTROL UNIT REMOTE CONTROLLER This controls the operation of the indoor unit. The range of control is about 7 meters. If indoor lighting is controlled electronically, the range of control may be shorter. This unit can be fixed on a wall using the fixture provided. Before fixing it, make sure the indoor unit can be controlled from the remote controller.

  • Page 7: Automatic Operation

    AUTOMATIC OPERATION The device will automatically determine the mode of operation COOL, or Dehumidify, depending on the initial room temperature. The selected mode of operation will not change when the room temperature varies. Press the FUNCTION selector so that the display indicates (AUTO) mode of operation.

  • Page 8: Cooling Operation

    COOLING OPERATION Use the device for cooling when the outdoor temperature is 22-42 C. If indoor humidity is very high (80%), some dew may form on the air outlet grille of the indoor unit. Press the FUNCTION selector so that the display indicates (COOL).

  • Page 9: 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. START Press the (START/STOP) button. Dehumidifying operation ˚ starts with a beep. Press the button again to stop operation. STOP Press the FUNCTION selector so that the display indicates (DEHUMIDIFY).

  • Page 10: Fan Operation

    FAN OPERATION You can use the device simply as an air circulator. Use this function to dry the interior of the indoor unit at the end of summer. START Press the (START/STOP) button. Fan operation starts with a beep. Press the button again to stop operation. STOP Press the FUNCTION selector so that the display indicates (FAN).

  • Page 11: Adjusting The Air Deflector

    ADJUSTING THE AIR DEFLECTOR Adjustment of the conditioned air in the upward and downward directions. The horizontal air deflector is automatically set to the proper RESET angle suitable for each operation. The deflector can be swung up and down continuously and also set to the desired angle using the “...

  • Page 12: How To Set The Timer

    HOW TO SET THE TIMER Time, Day, Month Set the current month and TIME, DAY, day with the TIMER control After you change the MONTH button. batteries; (current time, day, month) OFF TIMER RESET ON TIMER OFF-Timer Press the (OFF-TIMER) button.
  • Page 13 Set the current time with the Press the (TIME) button again. Press the TIMER control button. The time indication starts lighting (TIME) button. instead of flashing. The time indication will disappear automatically in 10 seconds. To check the current time setting, press the (TIME) button twice.

  • Page 14: How To Set The Sleep Timer

    HOW TO SET THE SLEEP TIMER Set the current time first if it is not set before (see the pages for setting the current time). Press the (SLEEP) button, and the display changes as shown below. Mode Indication 1 hour 2 hours 3 hours 7 hours...
  • Page 15 Explanation of the sleep timer The device will control the FAN SPEED and room temperature automatically so as to be quiet and good for people’s health. You can set the sleep timer to turn off after 1, 2, 3 or 7 hours. The FAN SPEED and room temperature will be controlled as shown below.

  • Page 16: How To Exchange The Batteries In The Remote Controller

    HOW TO EXCHANGE THE BATTERIES IN THE REMOTE CONTROLLER Remove the cover as shown in the figure and take out the Push and pull to the old batteries. direction of arrow Install the new batteries. The direction of the batteries should match the marks in the case.
  • Page 17 THE IDEAL WAYS OF OPERATION Suitable Room Temperature Install curtain or blinds Warning It is possible to Freezing temperature reduce heat is bad for health and a entering the waste of electric power. room through 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 Cleansing And Deodorizing Filters

    ATTACHING THE AIR CLEANSING AND DEODORIZING FILTERS CAUTION Cleaning and maintenance must be carried out only by qualified service personal. Before cleaning, stop operation and switch off the power supply. Open the front panel. Pull up the front panel by holding it at both sides with both hands.

  • Page 20: Maintenance

    MAINTENANCE CAUTION Cleaning and maintenance must be carried out only by qualified service personal. Before cleaning, stop operation and switch off the power supply. AIR FILTER Clean the air filter, as it removes dust inside the room. In case the air filter is full of dust, the air flow will decrease and the cooling capacity will be reduced.
  • Page 21 Washable 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 dry cloth. Wipe the remote controller thoroughly with a soft dry cloth.

  • Page 22: Regular Inspection

    CAUTION Cleaning and maintenance must be carried out only by qualified service personal. 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), the temperature to 32°C and the fan speed to HI for about half a day on a fine day, and dry the whole of the unit.
  • Page 23 AFTER SALE SERVICE AND WARRANTY WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS. CONDITION CHECK THE FOLLOWING POINTS Is the fuse all right? Is the voltage extremely high or low? When it does not operate Is the circuit breaker “ON”? Was the air filter cleaned? Does sunlight fall directly on the outdoor unit? When it does not cool well...
  • Page 24 MEMO ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................– 24 –...

This manual is also suitable for:

Ras-24cp5Rac-18cp5Rac-24cp5

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