Hitachi RAS-25YHA / RAC-25YHA RAS-35YHA / RAC-35YHA INDOOR UNIT Display, START/STOP button

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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.

•Handle the remote controller with care. Dropping it or getting it wet may compromise its signal transmission ca- pability.

•After new batteries are inserted into the remote controller, the unit will initially require approximately 10 seconds to respond to commands and operate.

AUTO

HEAT

DEHUMIDIFY

COOL

FAN

FAN SPEED

LOW

MED

HI

SLEEPING

STOP (CANCEL)

START (RESERVE)

START/STOP

TIME

TIMER SET

TIMER SELECTOR

ON TIMER

OFF TIMER

AUTO SWING

MSignal emitting window/transmission sign

Point this window toward the indoor unit when controlling it. The transmission sign blinks when a signal is sent.

MDisplay

This indicates the room temperature selected, current time, timer status, function and intensity of circulation selected.

MSTART/STOP button

Press this button to start operation. Press it again to stop operation.

MAUTO SWING button

Controls the angle of the horizontal air deflector.

MFAN SPEED selector

This determines the fan speed. Every time you press this button, the intensity

of circulation will change from (AUTO) to (HI) to (MED) to (LOW). (This button allows selecting the optimal or preferred fan speed for each opera- tion mode.)

MSLEEP button

Use this button to set the sleep timer.

MTEMPERATURE buttons

Use these buttons to raise or lower the temperature setting. (Keep pressed, and the value will change more quickly.)

MTIME button

Use this button to set and check the time and date.

MRESET buttons

Press this button after the batteries are replaced or when some irregularopera- tion is found.

MFUNCTION selector

Use this button to select the operating mode. Every time you press it, the mode will change from (AUTO) to (HEAT) to (DEHUMIDIFY) to (COOL) and to (FAN) cyclically.

MFAN SPEED selector

MAUTO SWING button

MTIMER control

Use these buttons to set the timer.

MOFF-TIMER button Select the turn OFF time.

MON-TIMER button Select the turn ON time.

MRESERVE button Time setting reservation.

MCANCEL button Cancel time reservation.

Precautions for Use

•Do not put the remote controller in the following places.

•In direct sunlight

•In the vicinity of a heater.

•Handle the remote controller carefully. Do not drop it on the floor, and protect it from water.

•Once the outdoor unit stops, it will not restart for about 3 minutes (unless you turn the power switch off and on or unplug the power cord and plug it in again). This is to protect the device and does not indicate a failure.

•If you press the FUNCTION selector button during operation, the device may stop for about 3 minutes for protection.

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Contents Indoor UNIT/OUTDOOR Unit Precautions During Installation Precautions During Shifting or MaintenancePrecautions During Operation Do not climb on the outdoor unit or put objects on itNames and Functions of Each Part Air outletOperation Lamp Yellow This lamp lights during operation Timer Lamp OrangeFilter Lamp Green Attaching the negative ion stick to the filter frameReset buttons Signal emitting window/transmission signTemperature buttons FAN Speed selector Auto Swing button Timer controlVarious Functions Automatic OperationHeating Operation AutoItaliano Français Deutsch English Dehumidifying OperationCooling Operation English Italiano Français DeutschFAN Operation HOW to SET the Timer OFF-TimerTime button Timer control button Italiano FrançaisHOW 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 Cleaning of Front Panel Maintenance AT Beginning of Long OFF PeriodCapabilities Timer PROGRAMMING/SLEEP Timer OperationInformation Various FunctionsRegular Inspection After Sales Service and WarrantyCheck to see if the power plug is securely inserted Check to see if the unit’s earth line has been connectedDetails, 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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