Hitachi RAS-25YHA / RAC-25YHA RAS-35YHA / RAC-35YHA INDOOR UNIT Precautions During Operation

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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.

As a spray can’s internal pressure can be increased by hot air, a rupture may result.

PROHIBITION

 

•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.

STRICTLY OBSERVE

PRECAUTIONS

•Do not direct the cool air coming out from the air-conditioner panel to face household heating apparatus as this may affect the working of

PROHIBITION

apparatus such as the electric kettle, oven etc.

• Please ensure that outdoor mounting frame is always stable, firm and without defect. If not, the outdoor unit may collapse and cause danger.

PROHIBITION

 

• Do not wash the unit with water or place a water container such as a

 

vase on the indoor unit.

PROHIBITION

Electrical leakage could be present and cause electric shock.

•Do not place plants or animals directly under the air flow as it is bad for the plants or animals.

PROHIBITION

• Do not climb on the outdoor unit or put objects on it.

PROHIBITION

•When operating the unit with the door and windows opened, (the room humidity is always above 80%) and with the air deflector facing down or moving automati- cally for a long period of time, water will condense on the air deflector and drips

down occasionally. This will wet your furniture. Therefore, do not operate under

PROHIBITION

such condition for a long time.

 

•If the amount of heat in the room is above the cooling or heating capability of the unit (for example: more people entering the room, using heating equipments and

PROHIBITION

etc.), the preset room temperature cannot be achieved.

 

 

 

• Indoor unit cleaning must be performed by authorized personnel only. Consult your

 

sales agent.

 

 

Using a commercially available detergent or similar can damage the plastic parts

PROHIBITION

or clog the drain pipe, causing water to drip with potential electric shock hazard.

 

 

• Do not touch the air outlet, bottom surface and aluminum fin of the outdoor

 

unit.

 

DON’T TOUCH

You may get hurt.

 

•Do not touch the refrigerant pipe and connecting valve.

Burns may result.

DON’T TOUCH

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РУССКИЙ ∂ÏÏËÓÈο PORTUGUÊS SPANISH ITALIANO FRANÇAIS DEUTSCH ENGLISH

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Contents Indoor UNIT/OUTDOOR Unit Precautions During Shifting or Maintenance Precautions During InstallationDo not climb on the outdoor unit or put objects on it Precautions During OperationAir outlet Names and Functions of Each PartAttaching the negative ion stick to the filter frame Timer Lamp OrangeFilter Lamp Green Operation Lamp Yellow This lamp lights during operationFAN Speed selector Auto Swing button Timer control Signal emitting window/transmission signTemperature buttons Reset buttonsAutomatic Operation Various FunctionsAuto Heating OperationDehumidifying Operation Italiano Français Deutsch EnglishCooling Operation English Italiano Français DeutschFAN Operation OFF-Timer HOW to SET the TimerItaliano Français Time button Timer control buttonHOW to SET the Sleep Timer Adjusting the AIR Deflectors HOW to Exchange the Batteries in the Remote ControllerSpanish Italiano Français Deutsch English Maintenance ProcedureAIR Filter Maintenance AT Beginning of Long OFF Period Cleaning of Front PanelVarious Functions Timer PROGRAMMING/SLEEP Timer OperationInformation CapabilitiesCheck to see if the unit’s earth line has been connected After Sales Service and WarrantyCheck to see if the power plug is securely inserted Regular InspectionDetails, consult your sales agent Memo Memo Memo 447 a

RAS-25YHA / RAC-25YHA RAS-35YHA / RAC-35YHA INDOOR UNIT specifications

Hitachi RAS-25YHA and RAS-35YHA indoor units represent cutting-edge technology in the world of air conditioning, designed to offer efficient cooling and heating solutions for residential and commercial spaces. These models prioritize comfort, energy efficiency, and advanced functionalities, making them ideal choices for modern living environments.

One of the prominent features of the RAS-25YHA and RAS-35YHA models is their robust energy efficiency. These units utilize advanced inverter technology, which allows the compressor to adjust its speed based on the cooling or heating demands of the space. As a result, users benefit from lower energy consumption and reduced electricity bills, while maintaining optimal temperature levels.

The sleek and compact design of the indoor units ensures they blend seamlessly into various interior styles. The units are available in a range of colors, catering to diverse aesthetic preferences while maintaining a minimalist look. This design not only enhances the overall appearance of the space but also maximizes airflow performance.

Both models are equipped with Hitachi’s innovative filter technology, which works to purify the air inside the environment. The filters effectively capture dust, allergens, and other particles, ensuring that occupants breathe cleaner and healthier air. Regular filter maintenance is simple, which adds to the overall convenience of using these units.

Another key feature is the quiet operation of the RAS-25YHA and RAS-35YHA. With specially designed fan blades and sound-dampening technology, these indoor units produce minimal noise, allowing users to enjoy a peaceful atmosphere whether at home or in the workplace.

The user-friendliness of these air conditioning units is enhanced by a remote control and an intuitive interface. Users can easily adjust the settings, change the modes, and schedule operations according to their convenience.

In summary, the Hitachi RAS-25YHA and RAS-35YHA indoor units are exemplary models that showcase advanced air conditioning technology. With their energy-efficient inverter systems, sleek designs, effective air purification, quiet operation, and user-friendly controls, they are an excellent investment for those seeking reliable and efficient climate control solutions in their spaces.
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