Instructions / Assembly
7
Certain grow light models with HID* ballasts that do not use electromagnetic shielding will 
create an area of radio frequency interference (RFI). This can distort nearby frequency-sensitive 
components like internet lines and climate sensors. RFI can be emitted from the ballast’s cords or 
the ballast itself.
Follow these steps to ensure proper functionality and to prevent radio frequency interference from 
affecting your sensor probe:
TIP 1
Keep the probe cord far away 
from your ballast's cords to ensure 
the controller properly detects 
climate conditions. 
You may also wrap the probe 
cord and create a cone around 
the sensor head with aluminum 
foil tape.
TIP 2
Do NOT plug your grow light and 
inline fan into the same duplex 
outlet. Plug your grow light and 
inline fan into separate power 
strips and electrical sockets.
*MH, HPS, CMH, or CHPS
INTERFERENCE from MH and HPS LIGHTS










