Grain Systems PNEG-1708 - Manual (Page 65)

11. Electrical Connections
PNEG-1708 GSI Modular Tower Dryer 65
Air Switch
1. The air flow sensor connects to the grill guard on the fan with a rubber grommet and feeds through
to a connecting point on the outside of the electrical control box, which connects to the sensor on the
inside of the control box.
(See Figure 11B, Figure 11C below and Figure 11D on Page 66.)
Figure 11B
2. Connect the air flow sensor (copper tubing) from the grill guard inside of dryer burner/blower to the
rubber grommet on the side of the outside control box. (See Figure 11C.)
Figure 11C
Air flow sensor
Wire clip
Rubber grommet