Explanation of the sleep timer

The device will control the FAN SPEED and room temperature automatically so as to be quiet and good for people’s health.

You can set the sleep timer to turn off after 1, 2, 3 or 7 hours. The FAN SPEED and room temperature will be controlled as shown below.

Operation with the sleep timer

Function

 

 

 

 

 

Operation

 

 

 

 

 

 

The room temperature will be

 

 

 

 

 

 

 

5°C

 

 

controlled 5°C below the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Heating

temperature

and

the

FAN

 

 

 

 

 

 

 

 

SPEED

will

be set

to

LOW

 

 

 

 

 

 

 

 

 

 

Sleep timer set

 

 

 

 

“

”

setting

30 minutes

after the

 

 

 

7 hours

 

 

 

 

 

2 hours

 

 

setting of the sleep timer.

 

 

 

 

 

 

 

 

 

 

 

 

later

 

 

30 minutes later

 

later

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 hour later

3 hours later

 

 

 

 

 

 

 

 

 

 

 

Cooling

The room temperature will be

2°C

 

 

 

 

 

 

 

 

 

 

controlled 2°C above the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

“

”

temperature

and

the

FAN

 

 

 

 

 

6 hours

 

 

SPEED

will

be set

to

LOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

later

 

 

and

 

setting

30 minutes

after the

Sleep

 

 

 

 

 

 

 

 

dehumidifying

setting of the sleep timer.

timer set

 

2 hours

 

 

 

7 hours later

 

 

 

 

 

 

 

 

 

 

 

 

later

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

“

”

 

 

 

 

 

 

30 minutes later

3 hours later

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan

The settings of room temperature and circulation are varied.

“ ”

NOTE

●If date or current time is not set, sleep timer can not be set.

●If you set the sleep timer after the off-, on/off- or off/on-timer has been set, the sleep timer becomes effective instead of the off-, on/off- or off/on-timer set earlier.

●You can not set other timer during sleep timer operation.

●After sleep timer time is up and when press sleep button again, the sleep timer will be set as last setting.

●Sleep timer effective only once.

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Image 15
Hitachi RAS-51CHA3 instruction manual Explanation of the sleep timer
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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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