COOLING OPERATION

Use the device for cooling when the outdoor temperature is 21-43°C.

If indoor humidity is very high (over 80%), some dew may form on the air outlet grille of the indoor unit.

˚C

RESET

˚C

1 Press the FUNCTION selector so that the display indicates (COOL).

Set the desired FAN SPEED with the (FAN SPEED) button (the display indicates the setting).

(AUTO): The FAN SPEED is HI at first and varies to

2

MED automatically when the preset temperature

has been reached.

(HI)

: Economical as the room will become cool

 

quickly.

(MED)

: Quiet.

(LOW)

: More quiet.

Set the desired room temperature with the TEMPERATURE button (the display indicates the setting).

3

 

The range of 25-28°C is recommended as the

 

 

room temperature for cooling.

°

 

 

If the temperature setting is 27 C, the room

 

 

temperature will be controlled at around 27°C.

 

 

The temperature setting and the actual room temperature may vary some how depending on conditions.

Press the (START/STOP) button. Cooling operation starts with a beep. Press the button again to stop operation. The START cooling function does not start if the temperature setting is higher than the current room temperature (even though the

STOP (OPERATION) lamp lights). The cooling function will start as soon as you set the temperature below the current room temperature.

■As the settings are stored in memory in the remote controller, you

only have to press the (START/STOP) button next time.

– 10 –

Page 9 Page 11
Page 10
Image 10
Hitachi RAS-51CHA3 instruction manual Cooling Operation
Page 9 Page 11

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.
Top Page Image Contents