Sensor Settings: 2,000 Or 10,000 Ppm; Set Lcd On-Time; Hour Dosing - TechGrow T-2 Pro Handbuch

RH/day SET 67%
RH +/- 1%
Push=exit
TEMP/nig SET 26.0°C
TMP +/- 2°C
Push=exit
TEMP/day SET 28.0°C
TMP +/- 2°C
TMP offset 0.2°C
Push=exit
13. Sensor settings: 2,000 or 10,000
ppm
Reboot your T-2 Pro controller.
After a few seconds the next screen is displayed:
System settings
=> CO2 setup
Box selection
>> HOME <<
Select "CO2 setup" and press the PTK. You enter the
next screen:
=> CO2 sensor 2000
Delay / dose
CO2 calibration
<< BACK <<
Select "CO2 Sensor" and press the PTK.
Here you can specify which sensor you want
use. By default, it is set to 2,000 ppm. By turning the
PTK you can activate the 10,000 ppm sensor. Your
controller is now suitable for measuring and controlling
from 300 to 10,000 ppm, in increments of 50 ppm.
ATTENTION: If you want to enable the 10,000 ppm
option, you need to purchase a sensor that is
suitable for measuring up to 10,000 ppm. If you
enable this function with the wrong sensor, the
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TechGrow | Innovative Growing Solutions
controller will indicate incorrect values and the
controller and sensor may be damaged.

14. Set LCD on-time

Reboot your controller.
After a few seconds you enter the next screen. Select
"System settings":
=> System settings
CO2 setup
Box selection
>> HOME <<
Press the PTK and select "LCD on-time".
=> LCD on-time 30s
Temp offset 0.0
D&N delay
<< BACK <<
Press the PTK and adjust the on-time (maximum 900
seconds) by turning the PTK.
Press the PTK to confirm.
Select << BACK << and press the PTK to return to the
boot menu. After a few seconds you will automatically
return to the main screen.

15. 24-hour dosing

If you want your CO controller to continuously regulate
2
and dose, you can switch off the light cell of your
sensor. The controller then no longer responds to day
and night, but is continuously on.
For instructions, consult the sensor's manual and go
through the following steps:
1. Open the housing of the sensor.
2. Locate DIP switch 2.
3. Switch DIP switch 2 to position (ON) with a pen or
small screwdriver.
4. Close the housing of the sensor.
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