Hitachi RAD-50DH7A Service Manual page 8

Please note:
On switching on the equipment, particularly when the room light is dimmed, a slight brightness fluctuation
may occur. This is of no consequence.
The conditions of the local Power Supply Companies are to be observed.
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:
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
– 7 –
Heating
Minimum Maximum
20 27
12 19
2 21
1 15