Hitachi RAS-S28H2A User Manual page 4

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:
Indoor
Outdoor
MEMO
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(EN) RAS/RAC-S28H2A
Minimum
Dry bulb °C 21
Wet bulb °C 15
Dry bulb °C 21
Wet bulb °C 15
4
Cooling
Maximum Minimum
32
23
43
26
– 4 –
4/21/08, 17:35
Heating
Maximum
20 27
12 19
2 21
1 15