Grain Systems PNEG-900 - Manual (Page 43)

4. Electrical Power Supply
PNEG-900 Series 2000 Autoflow Fan/Heater and Control Installation Instructions 43
Autoflow to Wet Supply Rotary Switch Interconnect
The 110V AC rotary switch located in the wet storage tank is used to inform the computer on the availability
of wet grain. The Wet Supply Rotary switch use 110V AC to power the motor and 12V DC+ to switch a
signal back to the computer.
To wire the Wet Supply Rotary switch to the Autoflow control box do the following:
1. Run four (4) control wires from the Autoflow control box to the Wet Supply Rotary switch.
2. Connect the wires as shown in Figure 4G .
Figure 4G