Grain Systems PNEG-630 - Manual (Page 108)

Portable Dryer Troubleshooting
107
Procedure for Locating, Testing and Replacing
a Defective Plenum Temperature Sensor
The picture below is of the plenum bolt sensor in the plenum of the dryer. See previous
page for more information.
Plenum Bolt Sensor (Part No. HF-7236)
View of back side of the plenum bolt sensor, as it is mounted in the conduit fitting.
(Located inside the dryer plenum, to the right, just inside the rear access door.)
View of the 4"x4" plastic junction box. This is located to the left of the fan/heater
facing the front of the dryer. It contains the plenum overheat and a juction point
where the wires from the plenum bolt sensor are butt connected together.
Plenum 300 Degree Overheat (10' Length)(Part No.D03-0004)
Plenum 300 Degree Overheat (24' Length)(Part No. D03-0377)
Plenum Sensor