<M> Settings / Drain groups / Start conditions
Drain tank vol. high priority [m3]
If the water level in the drain tank rises above the volume of
water set here, then the highest priority will apply for this
drain group. As a result, this drain group will take precedence
over all other available drain groups.
8.7.3 Period
This feature is only applicable if more than one drain tank is used.
<M> Settings / Drain groups / Period
Start time period 1 [hh:mm:ss]
This sets the time at which the period in question will start. You can
set either an absolute time, or a time in relation to sunrise/sunset.
Start time period 2 [hh:mm:ss]
Start time period 3 [hh:mm:ss]
Start time period 4 [hh:mm:ss]
8.7.4 Control
<M> Settings / Drain groups / Control
Blending ratio [%]
This sets the desired percentage of drain water in the total flow. The
total flow is fresh water and drain water considered together.
Enable EC control
l Yes: EC control is enabled.
l No: EC control is disabled.
EC setpoint [mS/cm]
This sets the desired concentration level of fertilizers in the supply
water. The EC setpoint is used in pre-blending control, which
determines the ratio between fresh water and drain water.
Enable pH control
l Yes: pH control is enabled.
l No: pH control is disabled.
pH setpoint
The pH value of the water is adjusted to the setpoint value set here
during the disinfection process. The unit achieves the pH setpoint by
adding acid to the water (called 'acid dosing').
Post-flush volume [l]
This sets the amount of fresh water (in litres) that will be flushed past
the quartz tubes as soon as the drain group has completed the
disinfection process.
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