Heating Operation - Hitachi RAK-25PSB Instruction Manual

HEATING OPERATION

● Use the device for heating when the outdoor temperature is under 21°C.
When it is too warm (over 21°C), the heating function may not work in order to protect the device.
●
In order to maintain reliability of the device, please use this device when outdoor temperature is above
–20°C.
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.
Press the MODE selector button so that the display indicates
1
(HEAT).
Set the desired FAN SPEED with the
(the display indicates the setting).
2
(AUTO)
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 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 the memory of the remote controller, you
only have to press the
■ During AUTO fan, the fan speed automatically changes as below:
●
When the difference between room temperature and setting temperature
is large, fan starts to run at HI speed.
●
After room temperature reaches the preset temperature, fan speed
will be changed to lower speed to obtain optimum room temperature
condition for natural healthy heating.
– 7 –
(FAN SPEED) button
(HIGH)
(SILENT) (LOW)
(START/STOP) button next time.
(MED)