Grundfos Comfort System Installation And Operating Instructions Manual page 10

5. Press [+] or [-] to select the (flashing) day(s)
on which the displayed event must run:
– One day only:
Select "MO" or "TU" or "WE" ... or "SU",
etc.
– Every day:
Select "MO TU WE TH FR SA SU"
– Weekdays only:
Select "MO TU WE TH FR"
– Weekend only:
Select "SA SU"
6. Press [TIME] to make the hour digits flash.
To set this event to occur at a specific time of
day, skip to step 9. To set this event to
happen at sunrise or sunset, proceed to step
7.
7. Press [+] or [-] to scroll to one of the 2
screens with moon and sun icons flashing
and "AM" or "PM" flashing. The "AM" plus
icons screen means this event will happen at
sunrise. The "PM" plus icons means this
event will happen at sunset.
8. Press [PROGRAM] to accept the sunrise/
sunset setting and advance to the next event
screen. To add more events, go back to step
4. If all desired events have been set, go to
step 14.
9. Press [+] or [-] to scroll to the desired starting
hour for the event.
10. Press [TIME] to make the minute digits flash.
11. Press [+] or [-] to scroll to the desired starting
minute for the event.
12. Press [PROGRAM] to advance to the next
event screen.
13. Repeat steps 4 through 13 until all desired
ON/OFF events have been set.
14. Repeat step 3 to check all your settings and
exit the event setting mode.
10
5.1.3 Setting the timer operating mode
1. Press [MODE] to scroll to the desired
operating mode. See below for a description
of each mode.
– "ON": Manual ON mode is selected. The
device will stay ON.
– "AUTO ON": Automatic mode is selected
and the device is ON. The device will stay
ON until the next OFF event.
– "RDM ON": Random mode is selected and
the device is ON. The device will stay ON
until the next OFF event.
NOTE: When "RDM" (random mode) is
selected, the device will operate ± 30
minutes from the scheduled ON/OFF
event settings to provide a lived-in look.
– "OFF": Manual OFF mode is selected. The
device will stay OFF.
– "AUTO OFF": Automatic mode is selected
and the device is OFF. The device will
stay OFF until the next ON event.
– "RDM OFF": Random mode is selected
and the device is OFF. The device will
stay OFF until the next ON event.
2. Plug the pump into the timer.
3. Plug the timer into the electrical outlet.