iGrow 1800 Installation Guide
Page81
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06 HID Light
Start
at
12:00A
End
at
12:00A
On Time 00:20 hh:mm
For the Cyclic light option, this is where you set the time window, that is, the Start and End times during which
the lights can come on this particular light bank – channel 6. You also set the On Time, which is the length of
time the light bank is to come on during its cycle within the time window.
The overall cyclic lighting parameters are set back where you began the programming. From the Main screen,
after you press
Enter/Menu
, you will select the
System Setup
option. The fifth option on the list is
Cyclic
Lighting
.
Daily Light Integral (DLI) control
The purpose of this option is to use artificial light, if necessary, to achieve a daily amount of accumulated light in
the greenhouse zone.
06 HID Light
Select Operational
Mode:
DLI
06 HID Light
Light Sensor
InLight
Threshold:
11.0 kW/m2-Hr
In this second screen you will select the light sensor which you will use to control the amount of accumulated
light. Ideally this would be a light sensor located near the plant level. The second entry is the accumulated light
threshold which is your light target for the day.
06 HID Light
Day Start 12:00A
Turn On Time 3:00P
Day End 7:00P
In the third screen you will set the day start time when you light accumulator is to begin. Previously, it was reset
to 0. If your threshold is not reached by the
Turn On Time
(shown as 3 PM in the screen), then the light will
turn on and remain on until either the
Light Threshold
is reached or the
Day End
time is reached.
MZone (Micro-Zone) for ON/OFF Equipment
