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SPLIT TYPE AIR CONDITIONER
INDOOR UNIT/OUTDOOR UNIT
OUTDOOR UNIT FOR
SINGLE SPLIT MODEL
Instruction manual
To obtain the best performance and ensure years of trouble free use, please read this instruction manualcompletely.
MODEL
RAF-25NXA1 / RAC-25NXA1
RAF-35NXA1 / RAC-35NXA1
RAF-50NXA1 / RAC-50NXA1
RAC-25NXA1
RAC-35NXA1
RAC-50NXA1
INDOOR UNIT
RAF-25NXA1
RAF-35NXA1
RAF-50NXA1
Page 1~22
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Table of Contents
Related Manuals for Hitachi RAF-25NXA1
Summary of Contents for Hitachi RAF-25NXA1
- Page 1 SPLIT TYPE AIR CONDITIONER INDOOR UNIT/OUTDOOR UNIT MODEL RAF-25NXA1 / RAC-25NXA1 RAF-35NXA1 / RAC-35NXA1 RAF-50NXA1 / RAC-50NXA1 OUTDOOR UNIT FOR INDOOR UNIT SINGLE SPLIT MODEL RAC-25NXA1 RAC-35NXA1 RAF-25NXA1 RAF-35NXA1 RAF-50NXA1 RAC-50NXA1 Instruction manual To obtain the best performance and ensure years of trouble free use, please read this instruction manualcompletely.
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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. 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. PROHIBITION • Do not attempt to operate the unit with wet hands, this could cause fatal accident. DON'T WET • When operating the unit with burning equipments, regularly ventilate the room to avoid oxygen insufficiency.
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Page 4: Names And Functions Of Each Part
Indoor unit indicators Air filter Signal receiver Front panel RAC-25NXA1 RAC-35NXA1 RAC-50NXA1 Remote controller MODEL NAME AND DIMENSIONS MODEL WIDTH HEIGHT DEPTH RAF-25NXA1 RAF-35NXA1 760mm 600mm 235mm RAF-50NXA1 (INDOOR UNIT) RAC-25NXA1* 750mm 548mm 288mm RAC-35NXA1* 750mm 548mm 288mm RAC-50NXA1*... - Page 5 TEMPORARY SWITCH TEMPORARY SWITCH TEMPORARY SWITCH If the remote controller does not work due to battery failure, press this switch to start and stop operation. • This temporary operation will be at the most recent setting made. (The unit will immediately go into automatic operation once power is switched on.) INDOOR UNIT INDICATORS...
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Page 6: Remote Controller
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, in some cases, the control signal may not be received. This unit can be fixed on a wall using the fixture provided. -
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 -15°C of the outdoor temperature. Press the FUNCTION selector so that the display indicates (HEAT). -
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). Press the (FAN SPEED) button to select LOW and SILENT. START Press the (START/STOP) button. -
Page 10: Cooling Operation
COOLING OPERATION Use the device for cooling when the outdoor temperature is –10 to 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 Set the (TIME) button. TIME After you change the (current time) batteries; OFF TIMER ON TIMER Press the (OFF-TIMER) OFF-Timer button. The (OFF) mark blinks on RESERVE the display. Start Stop CANCEL You can set the device to turn off at the present time. - Page 13 Set the current time with Press the (TIME) button • The time indication will disappear automatically in 10 the TIMER control button. again. The time indication starts seconds. lighting instead of flashing. • To check the current time setting, press the (TIME) button twice.
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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 1 hour 2 hours 3 hours 7 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: Circuit Breaker
HOW TO CHANGE THE BATTERIES IN THE REMOTE CONTROLLER Remove the cover as shown in the figure and remove the old batteries. Install the new batteries. Push and pull to The direction of the batteries should match the marks in the direction of arrow mark ▼. -
Page 17: Maintenance
MAINTENANCE WARNING • Before cleaning, stop unit operation with the remote controller and turn off the circuit breaker. CAUTION • Do not expose the unit to water as it may cause an electric shock. • For cleaning inside the air conditioner, consult your sales agent. •... -
Page 18: Cleaning Of Front Panel
2. HOW TO INSTALL AND REMOVE THE FRONT PANEL • Be sure to use both hands to grasp the front panel when removing it or attaching it. Removing 1 Press at the top left and right corners of the front 2 Grasp the left and right sides of the front panel panel. - Page 19 5. AIR CLEANSING FILTERS (SPX-CFH15) • When installing the air cleansing filters, remove the air filters and attach Air cleansing filters them onto the hooks of the front cover frame. • The cooling capacity is slightly weakened and the cooling speed becomes slower when the air cleansing filters are used.
- Page 20 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 a or any other high- situation, the PAM and inverter work to increase compressor rpm to keep temperature devices...
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Page 21: 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 22 Steam emitted from the outdoor unit Water generated during defrosting operation evaporates and steam is emitted. Caused as the smells and particles of smoke, food, cosmetics, etc. present in room Odors air become attached the unit and blown off into the room again. Defrosting is underway (as the heating operation is stopped, the microcomputer The outdoor unit continues to operate checks frost accumulated in the indoor unit and instructs the unit to perform...
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