Figure 6-14: Active valve group
If you want to a different recipe to be applied for a manual valve start, you
can change the EC, pH and volume settings of the valve group. Do not forget
to change the settings back afterwards. An alternative method is to assign the
desired valves to a group that is still 'free'. You can program different recipe
settings for this group without changing your standard recipes.
Preprogramming start conditions
The irrigation program includes a number of start conditions that can be preset or
preprogrammed:
Cyclic
start
A cyclic start applies for a specific period and valve group.
When the preset cycle time elapses, the valve group is
reactivated (i.e. irrigation starts again). The cycle time is
reset after each start (of each type).
Contact
start
The group is activated once the selected contact is activated.
Radiation
sum
start
The group is activated once the preset radiation sum (J/cm2)
is reached. The radiation sum is reset once the irrigation
cycle is complete and at midnight (0.00 hours).
Time
start -
one-off
Start irrigation one time on the preset date and time (using
the recipe settings applicable at that time)
Time
start -
daily
Start irrigation on the selected days at a preset time (with
the recipe settings applicable at that time)
Time
start -
interval
Start irrigation at the preset time after each interval of a
preset number of days.
FertiMiX
54
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