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1-3-3 Block out time setting mode
This mode is used to set the block out time that blocks the heat pump unit operation within
the setting time.
Block out times are used if the customer has a time of use tariff.
Change the mode
Press and hold down Up and Down keys together in the clock display mode to go to
the block out time setting mode. Once the mode is changed, ‘'bo’' and ‘'00XX’' (00 =
start time, XX = end time) are displayed. (Initial setting = 00 o’'clock for both start
and end)
Adjust set block out start time
Press Up or Down key and ‘'00’' (start time) in ‘'00XX’' starts flashing and ‘'XX’' (end
time) illuminates. Now the block out start time can be adjusted. Setting can be
performed only in hour increments, not in minutes.
Set block out start time
Press the Enter key to set the desired time setting. After the start time is set, the
start time display stops flashing. The end time display starts flashing at the same
time.
Adjust block out end time
Set to the desired end time by using Up and Down keys. Setting can be performed
only in hour increments, not in minutes.
Set block out end time
Press enter key to adjust the desired time setting. After the end time is set, the
start time and end time are displayed for two seconds, then it starts to display ‘'bo’'
and ‘'00XX’' (00 = start time, XX = end time) by turns.
Go back to clock display mode
Press Enter key to go back to the clock display mode. It will automatically go back
to the clock display mode when no panel operation is performed for more than 60
seconds. Block out time setting mode cannot be set unless the end time setting is
executed.
Cancel block out setting
To cancel the block out setting, set both start and end times to ‘'00’'. Setting to
other than ‘'00’' (01 ~ 23) will be interpreted as a setting error and the end time will
flash. Make sure to set both times to ‘'00’' when cancelling the block out time
setting
Sanden Heat Pump –– Service Technical Book
Page 40 of 48
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