AUTOMATIC OPERATION

The device will automatically determine the mode of operation, HEAT, COOL or DEHUMIDIFY depending on the initial room temperature. The selected mode of operation will not change when the room temperature varies.

RESET

Press the FUNCTION selector so that the display indicates the (AUTO) mode of operation.

1

● When AUTO has been selected, the device will automatically determine

the mode of operation, HEAT, COOL or DEHUMIDIFY depending on

the initial room temperature.

START

Press the

 

(START/STOP) button.

 

Operation starts with a beep.

STOP

Press the button again to stop operation.

■As the settings are stored in memory in the remote controller, you only have to press the (START/STOP) button next time.

You can raise or lower the temperature setting as necessary by maximum of 3°C.

 

 

 

Press the temperature button and the temperature setting

°C

 

 

will change by 1°C each time.

 

 

 

 

 

● The preset temperature and the actual room temperature may vary somewhat depending on conditions.

● The display does not indicate the preset temperature in the AUTO mode. If you change the setting, the indoor unit will produce a beep.

■Condition of Automatic Operation

Initial room temperature

 

 

Function

Temperature setting

FAN SPEED

(approx.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HI at start, MED or LOW

Over 27°C

-

 

27°C

COOL

after the preset temperature

 

 

 

 

 

is reached

 

 

 

 

 

 

 

 

 

Slightly lower than the

 

23~27°C

-

DEHUMIDIFY

LOW

room temperature

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HI at start, MED or LOW

Under 23°C

-

HEAT

23°C

after the preset temperature

 

 

 

is reached

 

 

 

 

 

– 7 –

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Image 7
Hitachi RAS-51CHA3 instruction manual Automatic Operation, Start, Stop
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RAS-51CHA3 specifications

The Hitachi RAS-51CHA3 is a prominent air conditioning unit designed to offer optimal cooling and heating solutions for residential and light commercial applications. Known for its innovative technology and performance, this model integrates advanced features aimed at enhancing comfort, energy efficiency, and convenience.

One of the main features of the Hitachi RAS-51CHA3 is its impressive cooling capacity. With a rated capacity of 5.1 kW, this air conditioner efficiently cools medium to large spaces, ensuring a pleasant indoor climate even during the hottest summer months. The model also boasts a heating capacity of 5.6 kW, making it a versatile choice for year-round comfort.

In terms of energy efficiency, the RAS-51CHA3 is equipped with a high Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER), allowing it to deliver superior performance while minimizing energy consumption. Users can benefit from reduced electricity bills without compromising on comfort, as this air conditioning system is designed to operate efficiently, even during prolonged usage.

The unit incorporates a Smart Inverter technology, which allows for precise temperature control and smoother climate adjustments. This technology adapts the compressor speed to the cooling or heating demand, resulting in consistent comfort and reduced wear on components, ultimately extending the lifespan of the unit.

Moreover, the Hitachi RAS-51CHA3 features an integrated air purifying system that includes filters capable of trapping dust, allergens, and other airborne particles, ensuring that the indoor air quality remains high. The self-cleaning function further enhances maintenance by preventing the accumulation of mold and bacteria.

Convenience is also a key characteristic of this model. The remote control feature allows users to adjust settings from a distance, while the programmable timer enables optimal scheduling, ensuring that the system operates only when needed. Additionally, the quiet operation of the RAS-51CHA3 makes it suitable for bedrooms and living areas, contributing to a peaceful environment.

In summary, the Hitachi RAS-51CHA3 stands out with its robust cooling and heating capabilities, high energy efficiency, innovative technologies, and user-friendly features. It is an excellent choice for those seeking a reliable and efficient HVAC solution for their home or small business.
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