Hitachi RAS-25YHA / RAC-25YHA RAS-35YHA / RAC-35YHA INDOOR UNIT Information, Capabilities

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INFORMATION

CAPABILITIES

Heating Capability

•This room air conditioner utilizes a heat pump system that absorbs exterior heat and brings it into a room to be heated. As the ambient temperature gets lower, heating capability will also lower. In such a situation, the inverter work to increase compressor rpm to keep the unit’s heating capability from decreasing. If the unit’s heating performance is still unsatisfactory, other heating appliances should be used to augment this unit’s performance.

CAUTION

Do not use a stove or any other high- temperature devices in proximity to the indoor unit.

PROHIBITION

•The air conditioner is designed to heat an entire room so that it may take some time before you feel warm. Timer operation is recommended for effective preheating ahead of the desired time.

Cooling and Dehumidifying Capabilities

•If the heat present in a room exceeds the unit’s cooling capacity (for example, if there are many people in the room or other heating appliances are used), the preset room temperature may not be reached.

VARIOUS FUNCTIONS

•When fan speed, room temperature are set with the remote controller before starting manual operation and the buttons are released, the indication of settings will go off in 10 seconds and only the operation mode will be displayed.

•Pressing the button while the unit is in operation will let the protective circuit work so that the unit will not operate for approximately 3 minutes.

•During heating operation, the indoor unit’s color indicator lamp may flash with no air emitted for a while.

•If you feel cold wind during warming operation with the (HI) fan speed or want to make the unit operation quieter after the room is heated, use of (AUTO) setting is recommended.

•With the (LOW) setting, the unit’s cooling capability will lower slightly.

•With the (LOW) setting, the unit’s heating capability will vary with the operating conditions.

TIMER PROGRAMMING/SLEEP TIMER OPERATION

•When the timer has been programmed, the unit will not operate even if the set time is reached unless the unit receives a signal from the remote controller. Confirm that timer programming is complete (beep) and the TIMER lamp of the indoor unit lights.

•If the (SLEEP) button is pressed while the ON/OFF timer is programmed, the sleep timer takes priority.

•During sleep timer operation, the fan speed sets to (LOW) regardless of the preset speed. The remote controller display indication will remain unchanged even with the (LOW) setting.

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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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