Hitachi RAC-18WPD, Service Manual

Page: 16 / 93

– 15 –
ENGLIS H
LEAVE
HOME
(LH)
OPERATION
Prevent the room temperature from falling too much when no one is at home. The initial setting temperature is 10°C and the temperature range can be set between 10°C and 16°C. This operation is able to operate by "Continuous operation" or "Day timer operation". Please use "Day timer operation" to set the number of days up to 99 days.
■
To
start
L
EAVE
H
OME
operation
Option 1. Continuous operation.
Press
(LEAVE HOME) button during stop or operation.
Room temperature is set at 10°C and heating operation starts. Set the desired room temperature with the TEMPERATURE buttons. Temperature range can be set between 10°C and 16°C. “
”, “
”, “
”, “
”, “SET TEMPERATURE” is displayed
on the LCD.
Option 2. Day timer operation.
Press
(LEAVE HOME) button during stop or operation.
Room temperature is set at 10°C and heating operation starts. Set the desired room temperature with the TEMPERATURE buttons. Temperature range can be set between 10°C and 16°C. “
”, “
”, “
”, “
”, “SET TEMPERATURE” is displayed
on the LCD. Set number of operation days (1 to 99 days), if needed.
Press
(TIME) button to select number of days.
Number of days blink.
*
Press
“
(UP)” or “
(DOWN)” to set number of days from
1 day to 99 days.
*
Number of day is counted when clock indicates 0:00.
Press
(SEND) button to confi
rm number of operation days.
Display for number of operation days will stop blinking. Press
(CANCEL) button to reset number of operation days
or to have continuous operation.
To
cancel
L
EAVE
H
OME
operation
●
Press
(START/STOP) button. Or
●
Press
(LEAVE HOME) button again.
Return to previous operation mode. Or
●
Change to other operation mode by pressing
(MODE) button.
NOTE
●
After reaching the set number of operation days for Leave Home or by pressing the (Leave Home) button again, the unit will operate in previous mode.
●
During Leave Home operation, fan speed and horizontal air defl
ector position cannot be changed.
●
By pressing (Leave Home) button, implementation of Weekly Timer or Once Timer is cancelled.
●
In case of power supply shut down, after autorestart, all setting for number of days operation will be reset and unit shall be in continuous operation.
●
POWERFUL, SILENT and ECO operations are not applicable during Leave Home operation.
●
For multi connection
●
FAN/COOLING/DEHUMIDIFYING and Leave Home cannot operate at the same time. The fi
rst-run unit has a priority and other units in different mode will be in standby mode.
●
Heating operation can be used with Leave Home.
●
When two or more rooms are set to operate Leave Home, the temperature set by Leave Home may not be reached. It also depends on outdoor temperature.
Continuous operation Day timer operation
1 2
1 2
1 2 3 4
3 4
– 16 –
CLEAN
(ONE
TOUCH
CLEAN)
OPERATION
Drying indoor heat exchanger after cooling operation to prevent mildew.
■
To
start
CLEAN
operation
■
To
cancel
CLEAN
operation
●
Press
(CLEAN) button when unit is OFF.
Total time taken for One Touch Clean operation is 60 minutes. During this operation, HEATING or FAN operation shall operate. During one touch clean, operation lamp is blinking. “
”, “
” is displayed on the LCD.
●
Press
(START/STOP) button. Or
●
Press
(CLEAN) button again.
1
NOTE
●
When CLEAN operation fi
nish, unit will switch OFF automatically.
●
If Weekly Timer or Once Timer is set, there is a need to cancel those timer before operating CLEAN function.
●
For multi connections, when pressing
(CLEAN) button, operation is limited to FAN operation.
●
For multi connections, when one room operates CLEAN operation fi
rst, other rooms can operate
COOLING, DEHUMIDIFYING or FAN operation. However, when other rooms need to operate HEATING operation, air conditioner will be in STANDBY mode. After CLEAN operation fi
nish, HEATING operation
will start.
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