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Technical Features

 Intelligent Design


Improved Efficiency

The advanced design of the multi-dimensional Heat Exchanger allows for a wider air inlet path across the heat exchanger to optimise the heat exchange ratio. This intelligent design means more heat, less work.



Wall-to-Wall Comfort*

Selected Hitachi models have a two-way air flow system for efficient air distribution. The louvres not only move up and down automatically but also left and right. This action and the design of the directional air flow flap, which minimises air resistance, ensures the air is dispersed evenly to maintain the temperature throughout the whole room.

*This is available for RAS-70/80.





Fuzzy Logic Control


The built in microcomputer takes account of previous and current conditions and sets the advanced activation timer to provide the optimum temperature. This control system automatically provides optimal cooling or heating operation by using a combination of indoor/outdoor sensors and room temperature settings, to adjust the room temperature quickly and efficiently.



Low Starting Current and Auto Restart

Hitachi DC Inverter technology uses a low starting current, to minimise power usage at start up. For convenience, Hitachi heat pumps are able to memorise the precise operation mode, air flow, temperature and timing settings. If there is a power cut, settings will automatically reset to the original operating mode once power is restored.




Outdoor Durability

With its special anti-corrosion “green” coating, the Green Fin Condenser lasts up to three times as long as standard types. This coating on the outdoor heat exchanger assures better performance and improves durability even in tough conditions such as those in coastal areas.

* Models RAS-25YHA and RAS-35YHA have a transparent anti-corrosion treatment applied.


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