Setback Setting; Setback Schedule Setting - Hitachi PC-ARFG-E Installation & Operation Manual
Wired remote controller
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Also See for PC-ARFG-E:
- Instruction manual (164 pages) ,
- Installation & operation manual (105 pages) ,
- Instruction manual (12 pages)
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FUNCTION MENU
5.10 SETBACK SETTING
5.10.1 Setback schedule setting
Setback function is designed to maintain a minimum level of
comfort in a room when it is not occupied.
Setback operation is made available through the setting of
optional functions in the Function Selection menu, which is
located in the Test Run menu of the wired controller. In case of
using an external input, the setting of the external input in the
Test Run menu of the wired controller is also required.
During Setback operation, fan speed is automatically set to
LOW The control sensor during Setback operation is the sensor
defined by C8 setting (optional function menu).
"Setback" is displayed on the LCD of the wired controller while
the Setback control is in operation.
There are several modes available for the Setback function:
Setback Input
In hotel rooms, Setback Temperature Control is activated when
the card key is taken out from the card holder. As soon as the
card key is inserted again, the normal control is restored.
Setback Schedule
Setback Temperature Control works during a period determined
by the users, such as during night time. The normal control is
restored once the scheduled period is over.
Setback Manual
Setback Temperature Control is activated manually by the user
when he is leaving the room. The normal control is restored
when Setback Temperature Control is turned off manually.
To select the Setback mode, set the optional parameter "qE"
from the Function selection menu. The following settings are
also useful for the configuration of the SetBack function: C8, qb,
rE, rF, qC, qd, qF and r9.
To get more details about these settings, refer to the chapter
"6.1.2 Function
selection".
This function is used to start/stop setback mode at desired
time. It is available only when setback mode is set as Schedule
mode. To change the setback mode, select another mode at the
function selection setting. Contact your distributor for detailed
information. The items cannot be set/modified if indoor unit does
not support this function.
1 Select "Setback Setting" on the "Function Menu" screen and
press "OK".
If the current time is not set, the "Adjusting Date/Time"
setting screen is displayed.
25
PMML0565 rev.1 - 04/2022
2 Press " " or " " to select the settings, and the selected item
changes as follows:
"ON Time" ↔ "OFF Time" ↔ "
3 Press " " or " " to select the setting. After setting, press
" " to confirm the settings and then the screen returns to the
"Function Menu" screen.
•
When ON Time / OFF Time is selected the time changes
every 30 minutes. If you press and hold " " or " ", the
number will increase or decrease continuously.
•
Do not set the same time for ON Time and OFF Time.
It's unavailable if ON time or OFF time is not set.
•
When "
" is selected, the confirmation screen is displayed.
Select "Yes" and press "OK" to delete the settings and the
screen returns to Step2.
If select "Cancel", the screen returns to the "Setback Setting"
screen.
?
N O T E
In the following instances, the schedule operation is NOT available.
•
When the operation is prohibited by the controller and is set from the
central controller.
•
If the icon "
" is displayed, the schedule control is NOT activated
because the Date/Time is not specified yet. To specify the Date/Time
setting, refer to
"7.1 Adjusting date / time"
".
for details.
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