Hitachi RAS-60YH7 - Heating Operation; Heating Operation Steps and Defrosting

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MEMO
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Minimum Maximum Minimum Maximum
Indoor
Dry bulb °C 21 32 20 27
Wet bulb °C 15 23 12 19
Outdoor
Dry bulb °C 21 43 2 21
Wet bulb °C 15 26 1 15
Note
● Avoid to use the room air conditioner for cooling operation when the outside temperature is below
-10°C (14°F).
The recommended maximum and minimum operating temperatures of the hot and cold sides
should be as below:
Cooling Heating