Link4 iGrow 800 Quick Setup Manual Download Page 3

 

 

SETTING UP HUMIDITY CONTROL STAGES 

 

With the iGrow 800 you can Control Relative Humility within your Greenhouse Environment. 
Note:  Relative Humidity staging overrides Temperature staging. 

 

Here is a video link that guides you thru the control process. 
iGrow 400/800 Humidification Control Programming 

https://youtu.be/1AqGt8X6htk 

 

To get to your Humidity staging screen hit OK->4. Stages->2. Humidity Stages 

 

Now in the Humidity Stages Screen you have: 

 
Humidify:
 is engaged when the humidity is below the 
Humidify (Low humidity) setpoint. 
Dehumidify: is engaged when the humidity goes above the 
Dehumidify (High Humidity) setpoint. 
Cold De-humidify: is engaged when out temp goes below the 
threshold value set in advanced screen. 
The arrows (buttons 5 thru 8) are used for moving 
the highlight to the desired stage. The Setup and OK buttons 
are used to select or deselect the highlighted stage for a 
device.  For dual channel devices (vents/curtains), the second 
channel is disabled as shown. 
For Curtains:  0% curtain is uncovered, 99% curtain is 
covered, No Change: Device doesn’t have an affect in that 
stage. 

For Vents:  0% vent is fully closed, 99% vent is fully open, No Change: Device doesn’t have an affect in that stage. 
For On Off Devices:  Override Off: Indicates device is Off in that stage, Override On: Indicates device is on in that stage 
No Change: Device doesn’t have an affect in that stage. 
 
 

Summary of Contents for iGrow 800

Page 1: ... above this parameter the condition is considered too damp and the system will go into the dehumidification stage C02 Setpoint if the C02ppm level is blow this parameter the condition will be Low C02 and the system will start injecting C02 until it reaches the Setpoint plus Deadband There are three options in temperature humidity and C02 setpoints DAY NIGHT DIF DAY is active by default NIGHT and D...

Page 2: ...the Normal temperature range the iGrow 800 will enter cooling or heating stages to bring it back in line With the iGrow 800 you can program up to six cooling and two heating stages These stages go from Cool 1 to Cool 6 and Heat 1 to Heat 2 Cool 1 and Heat 1 are the least aggressive with Cool 6 and Heat 2 the most aggressive In your program you will determine what equipment you want to be active in...

Page 3: ...Dehumidify High Humidity setpoint Cold De humidify is engaged when out temp goes below the threshold value set in advanced screen The arrows buttons 5 thru 8 are used for moving the highlight to the desired stage The Setup and OK buttons are used to select or deselect the highlighted stage for a device For dual channel devices vents curtains the second channel is disabled as shown For Curtains 0 c...

Page 4: ...low out temp option Wheel can be used to change the values The LowOutTemp threshold is the outside temperature below which the dehumidification stage will revert to its Cold dehumidification state For example you may want to dehumidify but if it s very cold outside you may want to turn on the heat instead of open a vent and turning on a fan Cycling Program if no Humidity Sensor is present This hum...

Page 5: ...RS vA iGrow 800 Programming Expansion Outputs https www youtube com watch v OjRvULzwwvk LinkConn 100 Software Overview https www youtube com watch v 2VUD426h6Co iGrow 400 800 Connecting with The iGrow Cloud https youtu be DobvKzIW56E iGrow 400 800 Connecting LinkConn 100 Software https youtu be CR0bpSkwd0 iGrow 400 800 Networking Multiple Controllers https youtu be 07tg4k fa_8 iGrow 400 800 Restor...

Page 6: ...ww youtube com watch v C49pp1g LxM iGrow800 Saving History and USB Logging https www youtube com watch v DQ3xvABTk94 If you have any more questions or if you need assistance please give us a call at 714 975 9474 or email us at support link4Corp com ...

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