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Related Manuals for Hitachi RAC-70YHA4
Summary of Contents for Hitachi RAC-70YHA4
- Page 1 SPLIT TYPE AIR CONDITIONER INDOOR UNIT/OUTDOOR UNIT MODEL RAS-70YHA4 / RAC-70YHA4 RAS-80YHA4 / RAC-80YHA4 INDOOR UNIT RAS-70YHA4 RAS-80YHA4 OUTDOOR UNIT RAC-70YHA4 RAC-80YHA4 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. 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 specifi cation and ● not for any other intended use. Do not attempt to operate the unit with wet hands, this could cause fatal ● accident. Do not direct the cool air coming out from the air-conditioner panel to face ●...
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Page 4: Names And Functions Of Each Part
fl ows out from outdoor unit. Don’t close drain outlet portion in chilly area so as not to freeze these. MODEL NAME AND DIMENSIONS MODEL WIDTH (mm) HEIGHT (mm) DEPTH (mm) RAS-70YHA4, RAS-80YHA4 1100 RAC-70YHA4, RAC-80YHA4 – 4 –... - Page 5 INDOOR UNIT INDICATORS OPERATION LAMP This lamp lights during operation. The OPERATION LAMP fl 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 every one hour when frost forms on the heat exchanger of the outdoor unit, for 5–10 minutes each time.
- Page 6 NAMES AND FUNCTIONS OF EACH PART – 6 –...
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Page 7: Various Functions
VARIOUS FUNCTIONS AUTOMATIC OPERATION – 7 –... -
Page 8: Heating Operation
HEATING OPERATION – 8 –... -
Page 9: Dehumidifying Operation
DEHUMIDIFYING OPERATION – 9 –... -
Page 10: Cooling Operation
COOLING OPERATION – 10 –... -
Page 11: Fan Operation
FAN OPERATION – 11 –... -
Page 12: Timer Reservation
TIMER RESERVATION POWERFUL OPERATION – 12 –... -
Page 13: Eco Operation
ECO OPERATION – 13 –... - Page 14 HOW TO SET THE SLEEP TIMER – 14 –...
- Page 15 ADJUSTING THE AIR DEFLECTORS WARNING Do not insert a fi nger, a rod or other objects into the air outlet or inlet as the fan is rotating at a high speed, it will cause injury. Before any cleaning or adjusting the defl ectors, be sure to switch OFF the operation. –...
- Page 16 HOW TO EXCHANGE THE BATTERIES IN THE REMOTE CONTROLLER – 16 –...
- Page 17 THE IDEAL WAYS OF OPERATION Suitable Room Temperature Install curtain or blinds Warning It is possible to reduce heat Freezing temperature entering the is bad for health and a room through waste of electric power. 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 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...
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Page 20: 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 Please clean the Pre-fi lter once about every two weeks. By doing so, the power rates are saved. In case the air fi... -
Page 21: 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 dry cloth. Wipe the remote controller thoroughly with a soft dry cloth. -
Page 22: Regular Inspection
CAUTION Please use earth line. ● Do not place the earth line near water or gas pipes, lightning-conductor, or the earth line of telephone. Improper installation of earth line may cause electric shock. A circuit breaker should be installed depending on the mounting site of the unit. Without a circuit ●... - 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 Do the batteries need replacement? ● not transmitting a signal. Is the polarity of the inserted batteries correct? ●...
- Page 24 Please note: On switching on the equipment, particularly when the room light is dimmed, a slight brightness fl uctuation may occur. This is of no consequence. The conditions of the local Power Supply Companies are to be observed. Note Avoid to use the room air conditioner for cooling operation when the outside temperature is below ●...
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