Hitachi RAS-25YHA Instruction Manual
  1. Manuals
  2. Brands
  3. Hitachi Manuals
  4. Air Conditioner
  5. RAS-25YHA
  6. Instruction manual
Hitachi RAS-25YHA Instruction Manual

Hitachi RAS-25YHA Instruction Manual

Split type air conditioner indoor unit/outdoor unit
Hide thumbs
Table of Contents

Advertisement

Quick Links

SPLIT TYPE AIR CONDITIONER
INDOOR UNIT/OUTDOOR UNIT
OUTDOOR UNIT
RAC-25YHA
RAC-35YHA
Instruction manual
To obtain the best performance and ensure years of
trouble free use, please read this instruction manual
completely.
MODEL
RAS-25YHA / RAC-25YHA
RAS-35YHA / RAC-35YHA
INDOOR UNIT
RAS-25YHA
RAS-35YHA

Advertisement

Table of Contents
loading

Related Manuals for Hitachi RAS-25YHA

Summary of Contents for Hitachi RAS-25YHA

  • Page 1 SPLIT TYPE AIR CONDITIONER INDOOR UNIT/OUTDOOR UNIT MODEL RAS-25YHA / RAC-25YHA RAS-35YHA / RAC-35YHA INDOOR UNIT OUTDOOR UNIT RAS-25YHA RAS-35YHA RAC-25YHA RAC-35YHA Instruction manual To obtain the best performance and ensure years of trouble free use, please read this instruction manual...

  • 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 • Do not use any conductor as fuse wire, this could cause fatal accident. • During thunder storm, disconnect the plug top or turn off the circuit breaker. CAUTION “OFF” • Spray cans and other combustibles should not be located within a meter of the air outlets of both indoor and outdoor units.

  • Page 4: Names And Functions Of Each Part

    • When the outdoor unit is hung on the ceiling, instal the bush and drain pipe on the drain port and drain- water. MODEL NAME AND DIMENSIONS MODEL WIDTH (mm) HEIGHT (mm) DEPTH (mm) RAS-25YHA, RAS-35YHA RAC-25YHA, RAC-35YHA – 4 –...

  • Page 5: Indoor Unit Indications

    NAMES AND FUNCTIONS OF EACH PART INDOOR UNIT INDICATORS FILTER LAMP (Green) When the device is operated for a total of about 200 hours, the FILTER lamp lights indicates that it is time to clean the filter.The lamp goes out when the “...

  • Page 6: Remote Control Unit Names/Functions

    NAMES AND FUNCTIONS OF EACH PART 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 con- trolled from the remote controller.

  • Page 7: Automatic Operation

    VARIOUS FUNCTIONS Auto Restart Control • If there is a power failure, operation will be automatically restarted when the power is resumed with previous operation mode and airflow direction. (As the operation is not stopped by 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.

  • Page 8: Heating Operation

    HEATING OPERATION • Use the device for heating when the outdoor temperature is under 21°C. When it is too warm (over 21°C), the heating function may not work in order to protect the device. • In order to keep reliability of the device, please use this device above -10°C of the outdoor temperature.

  • 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. Press the FUNCTION selector so that the display indicates (DEHUMIDIFY). The FAN SPEED is set at LOW automatically. The FAN SPEED button does not work.

  • Page 10: Cooling Operation

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

  • Page 11: 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. Press the FUNCTION selector so that the display indicates (FAN). Press the (FAN SPEED) button.

  • Page 12: How To Set The Timer

    HOW TO SET THE TIMER Time, Day, Month Set the current month and day TIME, DAY, with the TIMER control button. After you change the MONTH (current batteries; time, day, month) OFF TIMER ON TIMER Press the (OFF-TIMER) but- OFF-Timer ton.
  • Page 13 Set the Set the current time with Press the (TIME) button (TIME) button. the TIMER control button. again.The time indication starts • The time indication will dis- lighting instead of flashing. appear 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 at 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 Sleep Timer 1 hour 2 hours 3 hours...

  • Page 15: Adjusting The Air Deflectors

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

  • Page 16: 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. 1. AIR FILTER When the filter indicator lamp comes on, be sure to clean the filter. By doing so, the power rates aresaved. In case the air filter is full of dust, the air flow will decrease and the cooling capacity will bereduced.

  • Page 17: Cleaning Of Front Panel

    2. 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 dry cloth.
  • Page 18 INFORMATION CAPABILITIES Heating Capability • This room air conditioner utilizes a heat pump system that absorbs CAUTION exterior heat and brings it into a room to be heated. As the ambient Do not use a stove temperature gets lower, heating capability will also lower. In such or any other high- a situation, the inverter work to increase compressor rpm to keep temperature devices...

  • Page 19: Regular Inspection

    REGULAR INSPECTION PLEASE CHECK THE FOLLOWING POINTS EVERY EITHER HALF YEARLY OR YEARLY. CONTACT YOUR SALES AGENT SHOULD YOU NEED ANY HELP. Check to see if the unit’s earth line has been connected correctly. If the earth line is disconnected or faulty, unit failure or electric WARNING shock hazard may result.
  • Page 20 Noise of the ventilation fan sucking in air present in the drain hose and blowing out Perking noise dehumidifying water that had accumulated in the condensed water collector. For details, consult your sales agent. Operation noise changes due to power variations according to room temperature Changing operation noise changes.
  • Page 21 MEMO...
  • Page 22 MEMO...
  • Page 23 MEMO...
  • Page 24 < 447 : A >...

This manual is also suitable for:

Ras-35yhaRac-25yhaRac-35yha

Table of Contents