Grain Systems PNEG-581 - Manual (Page 17)

3. Heater Installation
PNEG-581 Deluxe Vane Axial Heater 17
Plenum Thermostat Mounting
The plenum thermostat is the 4 x 4 white box with knob that is preconnected to heater when heater is
ordered with thermostat.
1. 24" to the right side of the transition, drill one (1) 3/8" hole (High-Temperature) or 1-1/2" hole
(Low-Temperature) in the center of the plenum in a valley (4.00" corrugation) or hill
(2.66" corrugation) on bin sidewall.
2. Insert the probe through the hole.
3. Position the housing so that the tabs are vertical, and the cord exits the housing horizontally.
Figure 3E Plenum Thermostat Mounting on Bin Wall
4. Use four (4) self-drilling screws to mount the housing to the bin sidewall.
5. Caulk between the housing and the sidewall to seal.
IMPORTANT: Do not exceed plenum temperatures listed in table.
Operating Temperature Table
This table is not intended as a drying guide. It should be used as a reference for setting maximum
plenum temperature for safe operation.
Low-Temperature Batch
High-Temperature
Batch Dry No Stirring
High-Temperature
with Stirring
Continuous Flow
(Recirculating)
Corn 5-20° Above Ambient Temp. 120° 140° 160°
Rice 5-10° Above Ambient Temp. 100° 100° Not Recommended
Beans and Wheat 5-20° Above Ambient Temp. 110° 120° Not Recommended