Hitachi RAS-18C9 Instruction Manual page 21

This product conforms with the protection requirements of council directives 89/336/EEC relating to
electromagnetic compatibility and 73/23/EEC relating to electrical equipment designed for use within
certain voltage limits.
Note
G Avoid to use the room air conditioner for cooling operation when the outside temperature is below
21°C (70°F).
The recommended maximum and minimum operating temperatures of the hot and cold sides
should be as below:
Outdoor
MEMO
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Indoor Dry bulb °C
Wet bulb °C
Dry bulb °C
Wet bulb °C
Minimum
21
15
21
15
– 21 –
Maximum
32
23
52
31