Link4 iGrow 100 Series Installation And User Manual page 93

1.2.2.1.
The default for the night humidity setpoint is OFF. Pressing the tab will enable the set-
ting of a night time humidity setpoint.
1.2.2.2.
Use the scroll to set the low (humidity) setpoint. You can also set it at 0.
1.2.2.3.
Pressing the second tab from the left on the bottom of the display will let you set the
upper humidity setpoint. This is the de-humidification setpoint.
1.2.2.4.
This is the time that the night setpoints are invoked.
1.2.2.4.1.
1.2.2.4.1.1.
The start time is either a fixed (absolute) time or it can vary daily based on the increase
or decrease in day length. The day length is an Astronomic Adjustment based on the
latitude and longitude entries that you made.
1.2.2.5.
1.2.2.5.1.
The Ramp Time enables a smooth transition between the humidity targets. If the ramp
time is set to 0, there will be an immediate step transition in the humidity setpoints from
the previous to the current setpoint of the following period. If the ramp time is not zero,
the ramping begins at the end of the period
1.2.2.5.2.
For the dehumidification case, this is the humidity drop below the dehumidification
boundary where the dehumidification stage terminates.
For the humidification case this the humidity increase above the humidification bound-
ary where the humidification stage terminates.
1.2.3.
92
On / Off
Set Humidify Setpoint
Set Dehumidify Setpoint
Set Time
Set NIGHT Start Time
Sun Based or Absolute
Advanced
Ramp
DeadBand
Set – DIF
iGrow Series 100 Manual