Hitachi RAS-70YH7 Service Manual page 10

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:
Indoor
Outdoor
MEMO
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Minimum
Dry bulb °C
Wet bulb °C
Dry bulb °C
Wet bulb °C
Cooling
Maximum
21 32
15 23
21 43
15 26
– 9 –
Heating
Minimum Maximum
20 27
12 19
2 21
1 15