Hitachi RAC-50YH7, Service Manual, Page: 14 / 103

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AUTOMATIC OPERATION
The device will automatically determine the mode of operation, HEAT, COOL or DEHUMIDIFY depending on the current room
temperature. The selected mode of operation will change when the room temperature varies. However the mode of operation will
not change when indoor unit connected to multi type outdoor unit.
VARIOUS FUNCTIONS
■
Auto Restart Control
● If there is a power failure, operation will be automatically restarted when the power is resumed with previous operation mode
and airflow direction.
(As the operation is not stopped by remote controller.)
●
If you intend not to continue the operation when the power is resumed, switch off the power supply.
When you switch on the circuit breaker, the operation will be automatically restarted with previous operation mode and airflow
direction.
Note: 1. If you do not require Auto Restart Control, please consult your sales agent or OFF by remote control.
2. Auto Restart Control is not available when Timer or Sleep Timer mode is set.
■
As the settings are stored in memory in the remote controller, you only have
to press the (START/STOP) button next time.
Press the FUNCTION selector so that the display indicates the (AUTO)
mode of operation.
●
When AUTO has been selected, the device will automatically determine
the mode of operation, HEAT, COOL or DEHUMIDIFY depending on
the current room temperature. However the mode of operation will
not change when indoor unit connected to multi type outdoor unit.
●
If the mode automatically selected by the unit is not satisfactory,
manually change the mode setting (heat, dehumidify, cool or fan).
Press the (START/STOP) button.
Operation starts with a beep.
Press the button again to stop operation.
You can raise or lower the temperature setting as necessary by maximum of
3
°
C.
Press the temperature button and the temperature
setting will change by 1
°
C each time.
●
The preset temperature and the actual room temperature may vary
somewhat depending on conditions.
●
The display does not indicate the preset temperature in the AUTO mode.
If you change the setting, the indoor unit will produce a beep.
1
START
STOP
°
C
Press the (FAN SPEED) button, AUTO, LOW and SILENT is available.