© Agrowtek Inc. | www.agrowtek.com | Technology to Help You Grow™
10
Maintenance & Service
Sensors require periodic maintenance to ensure proper performance.
The fan air filter should be periodically removed for cleaning.
It is NOT necessary to remove the fan.
1. Pry the retaining grate out using a small flat blade eye-glass
screwdriver or tip of a pocket knife.
2. Remove the foam filter and replace, or clean with mild dish
detergent and water, then pat dry.
3. Re-install the foam filter and grate by gently snapping the
grate back into place.
Fan Filter
CO2 ppm Sensor Upgrade
The SXW sensor may be upgrade to sense and control CO2 ppm with a precision NDIR type CO2 sensor.
4 PINS
5 PINS
1. Disconnect RJ-45 GrowNET™ and any power cables
from the sensor.
2. Remove the four cover screws and lift off the cover.
Note the orientation of the light sensor on the cover.
3. Locate the CO2 headers on the circuit board.
4. Position and install the CO2 sensor module ensuring
the sensor is oriented with the correct pin headers.
One header is 4-pins and the other is 5-pins.
WARNING: Installing the sensor backwards will
damage the CO2 module.
7. Re-install the top cover and re-connect cables.
8. Check to ensure the CO2 reading is now working.
