Hitachi RAS-18G4 Mode D'emploi page 24

Note
Avoid to use the room air conditioner for cooling operation when the outside temperature is below
G
21°C (70°F).
The recommended maximum and minimum operating temperatures of the hot and cold sides
should be as below:
MEMO
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Indoor Dry bulb °C
Wet bulb °C
Outdoor Dry bulb °C
Wet bulb °C
Minimum
21
15
21
15
– 24 –
Maximum
32
23
43
26