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HEATING OPERATION
• Use the device for heating when the outdoor temperature is under 27°C.
When it is too warm (over 27°C), the heating function may not work in order to protect the device.
• In order to keep reliability of the device, please use this device above -15°C of the outdoor
temperature.
HITACHI
~
~
• Defrosting
Press the FUNCTION selector so that the display indicates
~(HEAT).
Set the desired FAN SPEED with the~(FAN SPEED) button
(the display indicates the setting).
c,l::J
(AUTO)
: The fan speed changes automatically according
to
the
temperature of the air which blows out.
ljl
(HI)
: Economical as the room will become warm
quickly.
But you may feel a chill at the beginning.
I
(MED)
: Quiet.
1r
(LOW)
: More quiet.
c;.;:i
(SILENT): Silent.
Set the desired room temperature with the TEMPERATURE
buttons (the display indicates the setting).
The temperature setting and the actual room temperature may
vary somewhat depending on conditions.
Press the
CD
(START/STOP)
button. Heating operation starts
..1-~~'-'--lwith a beep. Press the button again to stop operation.
• As the settings are stored
in
memory in the remote controller, you
only have to press the
CD
(START/STOP) button next time.
Defrosting will be performed about once an hour when frost forms on the heat exchange of the outdoor unit,
for 5-10 minutes each time.
During defrosting operation, the operation lamp blinks in cycle of 3 seconds on and 0.5 second off.
The maximum time for defrosting
is
20 minutes.
(If the piping length used is longer than usual, frost will likely to form.)
-8-
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