TECHNICAL DATA SHEET
Dodai is the best monosplit heat pump air conditioner from Hitachi Cooling & Heating that guarantees you all the comfort you want at a low price.
Everything about Dodai is simple, even installation. Dodai is a silent air conditioner that provides maximum comfort, in every situation. With both cooling and heating modes, Dodai meets all your needs with simplicity and efficiency, with A++ and A+ energy ratings, and its eco mode optimizes consumption.
You can use it even when other appliances are running. Even achieving silence is a simple task: with the super low setting, the airflow is 22 dBA. With Dodai, it only takes 20 minutes to have all the power you need.
Hitachi Monosplit Inverter Air Conditioner Dodai Frost WashR-32 Series 12000 BTU RAK-35REF Wi-Fi Optional
Cooling capacity (min-nom-max) kW 0.90-3.50-4.00
Heating (min-nom-max) mkW 0.90-4.20-5.00
Cooling absorption m(min-nom-max) mkW 0.25-1.09-1.46
Heating m(min-nom-max) kW 0.25-1.10-1.70
Power supply 1~230V 50Hz
EER 3.21
COP 3.82
SEER 6.10
SCOP 4.20
Energy class (average climate) Cooling/Heating A++/A+
Operating range Cooling (BS) ºC -10 ÷ 43
Sound pressure Cooling dB(A) 47
Heating dB(A) 48
Sound power dB(A) 61
R32 refrigerant
UI size 280x780x215 mm
EU size 530x660x278 mm
DODAI FROST WASH 
SMART FROSTWASH TECHNOLOGY

INVISIBLE TECHNOLOGY FOR HOME COMFORT
Often it is what is not seen that contributes most to the result,
as in the case of clean air for the comfort of your home and technology
Advanced air conditioning cleaning like FrostWash. With FrostWash, you can enjoy clean air in your home all year round.
Born from research at Hitachi Cooling & Heating laboratories, FrostWash captures,
Freezes and washes away dust, mold, and impurities for maximum hygiene in your air conditioner and the environment you live in. A healthy home environment, where we can leave the chaotic days behind and abandon ourselves to calm, quiet, and comfort.
It is with this vision that Hitachi Cooling & Heating has been designing for over 60 years.
and develops residential air conditioning systems down to the smallest detail,
to make you feel truly at home. 
CATCH AND FREEZE
FrostWash uses the humidity in the air to create frost that coats the heat exchanger inside the air conditioner with small water particles.
By lowering the temperature to -15°C, it freezes the surface of the exchanger, trapping any dust, bacteria and mould present in the ice.
DISSOLVES AND CLEANS
By heating the surface of the exchanger, FrostWash melts the ice and washes away trapped impurities, neutralizing 91% of bacteria and eliminating 87% of mold, for total cleanliness.
Normal operation of the air conditioner then dries out the heat exchanger.
Maximum hygiene for your home
The quality of the air we breathe is important. Dust, bacteria, and mold can accumulate inside air conditioning systems, compromising efficiency.
Operation and air quality. The FrostWash function eliminates all impurities accumulated on the exchanger, ensuring optimal cleaning of your air conditioner.
and maximum hygiene for your home.
R32 refrigerant is characterized by better energy efficiency than the current R410A, thanks to its lower GWP (global warming potential) and the smaller amount of refrigerant used in air conditioners. These aspects mean a lower environmental impact and therefore an excellent solution for meeting European F-Gas targets.
New chassis
Dodai is even easier to install, thanks to a new, more compact chassis that reduces installation time thanks to easier access to the refrigerant pipes. For maintenance, the fan motor can be easily removed without removing the heat exchanger, thus reducing service personnel intervention time.
Improved seasonal energy efficiency
Thanks to the new R32 refrigerant technology, the seasonal efficiency class has improved compared to the previous model, obtaining SEER in class A++ and SCOP in class A+.
Silent
Improved silence and vibration levels of the outdoor unit thanks to the new compressor, new refrigerant circuit layout and new control electronics.
12h timer
Available on the remote control for easy daily programming.
Leave Home
The function allows you to set a minimum maintenance temperature (10°C) in heating for periods when you are away from home on holiday or for work.
Eco and Powerful Function
You can choose whether to operate the air conditioner at very low consumption or at maximum power to quickly reach the desired temperature.
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