Grain Systems PNEG-012 - Manual (Page 18)

18 PNEG-012 Vane Axial Heater
5. Operation
Operating Temperature Table
IMPORTANT: The below table is not intended as a drying guide. It should be used as a reference for
setting maximum plenum temperature for safe operation.
Cycling Heater Operation
1. Thermostat must be wired into heater control box for heater to operate.
2. Open all manual shut off valves to heater unit.
3. Start fan. This will supply power to heater.
4. Turn thermostat dial to its highest setting.
5. Turn toggle switch ON.
6. Heater should now be lit. If not check to see that all gas is ON.
7. Watch thermometer on plenum and when it reaches desired temperature turn thermostat back slowly
until heater cycles OFF.
8. Gas pressure should be adjusted so burner is ON 75% of the time.
9. Watch plenum temperature as burner goes through a few cycles, to be sure that it is
operating properly.
Low Temperature
Batch
High Temperature
Batch Dry
No Stirring
High Temperature
with Stirring
Continuous
Flow (Recirculating)
Corn
5°-20° above
Ambient
Temperature
120° 140° 160°
Rice
5°-10° above
Ambient
Temperature
100° 100° Not Recommended
Beans
and
Wheat
5°-20° above
Ambient
Temperature
110° 120° Not Recommended
WARNING
Do not exceed plenum temperatures listed in table below.