Table of Contents
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Table of Contents
Related Manuals for Hitachi RAS-70YHA3
Summary of Contents for Hitachi RAS-70YHA3
- Page 1 SPLIT TYPE INDOOR UNIT/OUTDOOR UNIT MODEL RAS-70YHA3/RAC-70YHA3 RAS-80YHA3/RAC-80YHA3 OUTDOOR UNIT INDOOR UNIT RAS-70YHA3 RAS-80YHA3 RAC-70YHA3 RAC-80YHA3 Instruction manual Page 1~24 To obtain the best performance, please read this instruction manual completely. – 1 –...
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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 speciÀ 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 ●...
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Page 4: Names And Functions Of Each Part
1 year depending on application requirements. OUTDOOR UNIT DRAIN PIPE Condensed water drain to outside. CONNECTING CORD AIR INLET (BACK, LEFT SIDE) AIR OUTLET MODEL NAME AND DIMENSIONS MODEL WIDTH (mm) HEIGHT (mm) DEPTH (mm) 1150 RAS-70YHA3 / RAS-80YHA3 RAC-70YHA3 / RAC-80YHA3 – 4 –... -
Page 5: Indoor Unit Indicators
INDOOR UNIT INDICATORS TIMER LAMP This lamp lights when the timer is working. OPERATION LAMP This lamp lights during operation. The OPERATION LAMP Á ashes 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 an hour when frost forms on the heat exchanger of the... -
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. Signal range to reach indoor is about 7 meters. If inverter ● lamp is used, the range of control may be shorter. This unit can be À xed on a wall using the À xture provided. Before À xing it, make sure the indoor unit can be controlled from the remote controller. -
Page 7: Auto Restart Control
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 airÁ ow 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. -
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. ●... -
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 or SILENT. Set the desired room temperature with the TEMPERATURE button (the display indicates the setting). -
Page 10: 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 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 OFF TIMER ON TIMER RESERVE CANCEL Press the Set the current Set the Press the (TIME) (TIME) button. time with the button again. (TIME) button. After you TIMER control button. The time indication starts change or lighting instead of Á... - Page 13 Press the Press the Set the Set the Point the signal (ON-OFF) turn-off time turn-on time window of the remote (ON- button so that with the with the controller toward the TIMER) button (OFF) TIMER control TIMER control indoor unit, and press so that the mark blinks.
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Page 14: How To Set The Sleep Timer
HOW TO SET THE SLEEP TIMER Set the current time at À rst 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... -
Page 15: Adjusting The Air Deflector
ADJUSTING THE AIR DEFLECTOR Adjustment of the conditioned air in the upward and downward directions. The horizontal air deÁ ector is automatically set to the proper angle suitable for each operation. The deÁ ector can be swung up and down continuously and also set to the desired angle using the “... -
Page 16: To Exchange Batteries In Remote Controller
HOW TO EXCHANGE THE BATTERIES IN THE REMOTE CONTROLLER Remove the cover as shown in the À gure and take out the old Push and pull to the batteries. direction of arrow Install the new batteries. The direction of the batteries should match the marks in the case. -
Page 17: Suitable Room Temperature
THE IDEAL WAYS OF OPERATION Suitable Room Temperature Install curtain or blinds Warning It is possible to reduce heat Freezing temperature entering is bad for health and room through a waste of electric windows. power. Ventilation Effective Usage Of Timer At night, please use the “OFF or ON timer Caution operation mode”, together with your wake... - 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.
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Page 19: Attaching The Air Purifying Filters
ATTACHING THE AIR PURIFYING FILTERS CAUTION Cleaning and maintenance must be carried out only by qualiÀ ed service personnel. 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 ●... -
Page 20: Maintenance
MAINTENANCE CAUTION Cleaning and maintenance must be carried out only by qualiÀ ed service personnel. Before cleaning, stop operation and switch off the power supply. PRE-FILTER Clean the pre-À lter, as it removes dust inside the room. In case the pre-À lter is full of dust, the air Á ow 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.
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Page 22: Regular Inspection
CAUTION Cleaning and maintenance must be carried out only by qualiÀ ed service personnel. Before cleaning, stop operation and switch off the power supply. 3. MAINTENANCE BEFORE 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 À... - 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 not Do the batteries need replacement? ● transmitting a signal. Is the polarity of the inserted batteries correct? ●...
- Page 24 Note ● Avoid to use the room air conditioner for cooling operation when the outside temperature is below –10°C (14°F). The recommended maximum and minimum operating temperatures of the hot and cold sides should be as below: Cooling Heating Minimum Maximum Minimum Maximum...