Grain Systems PNEG-816 - Manual (Page 15)

15
Deluxe Vane Axial Heater
HEATER OPERATION
Standard Heater
Operation
1. Thermostat must be wired into heater control
box for heater to operate.
2. Open all manual shutoff 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 operat-
ing properly.
Hi-Lo Heater
Operation
1. Hi-limit and cycling thermostat must be wired
into heater control box for heater to operate.
2. Open all manual shutoff 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. Both red lights should
light up indicating power to the control circuit.
6. Heater should now be lit. If not check to see
that
all gas is on.
7. Open low-fire ball valve all the way.
8. Turn thermostat dial back slowly until heater
cycles to low flame.
9. Adjust ball valve so that low-flame pressure is
at desired setting.
10. Turn thermostat dial to desired setting and wait
for bin plenum to come up to temperature.
Heater should cycle to low flame after a few
minutes. If heater does not cycle to
low flame increase hi-flame gas pres-
sure.
11. Low-flame should be adjusted so that tempera-
ture drops slowly until burner goes back to high
flame.
12. Watch as burner goes through a few cycles, to
be sure that it is operating properly.back to high
flame.