Heating Operation - Hitachi PH Series Operation Manual

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.
●
■ Defrosting
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 a 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.)
RAS/RAC-PH30HLT (1-16).indd 8 RAS/RAC-PH30HLT (1-16).indd 8
Press the FUNCTION selector so that the display indicates
1
(HEAT).
Set the desired FAN SPEED with the
(the display indicates the setting).
(AUTO) : The fan speed changes automatically
2
according to the temperature of the air which
blows out.
(HI) : Economical as the room will become warm
quickly.
But you may feel a chill at the beginning.
(MED) : Quiet.
(LOW) : More quiet.
(SILENT) : Silent.
Set the desired room temperature with the TEMPERATURE buttons
(the display indicates the setting).
3
The temperature setting and the actual room temperature may
vary somewhat depending on conditions.
START Press the (START/STOP) button. Heating operation starts
with a beep. Press the button again to stop operation.
STOP
■ As the settings are stored in memory in the remote controller, you only
have to press the
– 8 –
(FAN SPEED) button
(START/STOP) button next time.