Sanden GS3-45HPA-US Installation Manual page 21

Block Out Time Setting
Enter into Commissioning Mode
First option is the Heat Setting
Second option is Temperature Setting–
Press the UP Key to access Block Out Time then Press Enter to access
This mode is used to set the block out time that prevents the heat pump unit
operation within the chosen time period.
Block out times are used if the customer has a time of use tariff or wants to take
advantage of Solar PV production
'bo' and '00XX' (00 = Out Beginning time, XX = Out end time) are displayed. (Initial setting
= 00 o'clock for both start and end)
Adjust set block out Beginning time
Press Up or Down key and '00' (start time) in '00XX' starts flashing and 'XX' (end
time) illuminates. Now the block out Beginning time can be adjusted. Setting can
be performed only in hour increments, not in minutes. Time is displayed in Military
time not AM/PM
Set block out Beginning 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 NOW starts flashing.
THIS TIME WILL THE TIME WHEN THE HEAT PUMP IS FIRST PREVENTED
FROM OPERATING EVEN IF THE TANK IS COLD
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. Time is displayed in Military time not
AM/PM
Set block out end time
Press enter key to set 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) sequentially.
THIS TIME WILL THE TIME WHEN THE HEAT PUMP IS NOW ALLOWED TO
OPERATE BASED ON TANK TEMPERATURE
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
confirmed.
Cancel block out setting
To cancel the block out setting, set both beginning 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 – Installation Manual
Page 21 of 36