Hitachi   RAK-18NH6AS, Service Manual

Page: 21 / 72

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COOLING OPERATION
Use the device for cooling when the outdoor temperature is –21°C~ 43°C.
If in doors humidity is very high (80%), some dew may form on the air outlet grille of the indoor unit.
Press the FUNCTION selector so that the display indicates
(COOL).
Set the desired FAN SPEED with the (FAN SPEED) button
(the display indicates the setting).
(AUTO) : The FAN SPEED is HI at first and varies
to MED or LOW automatically when the
preset temperature has been reached.
(HI) : Economical as the room will become cool
quickly.
(MED) : Fan speed slow.
(LOW) : Fan speed slower.
(SILENT) : Fan speed ultra slower.
Set the desired room temperature with the TEMPERATURE
button (the display indicates the setting).
The temperature setting and the actual room temperature may
vary some how depending on conditions.
Press the (START/STOP) button. Cooling operation starts
with a beep. Press the button again to stop operation. The
cooling function does not start if the temperature setting is
higher than the current room temperature (even though the
(OPERATION) lamp lights). The cooling function will start
as soon as you set the temperature below the current room
temperature.
n
As the settings are stored in memory in the remote controller, you
only have to press the (START/STOP) button next time.
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START
STOP
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