Grain Systems PNEG-588 - Manual (Page 13)

13
Deluxe Centrifugal Heater
OPERATING PROCEDURE
Standard Heater Operation
1. Thermostat must be wired into heater con-
trol 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. Set thermostat to desired setting (see de-
luxe thermostat manual for adjusting deluxe
thermostat control).
8. Gas pressure should be adjusted so burner
is on 75 per cent of the time.
Hi-lo 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.
8. Open low-fire ball valve all the way.
9. Turn thermostat dial back slowly until heater
cycles to low flame.
10. Adjust ball valve so that low flame pressure is
at desired setting.
11. Turn thermostat dial to desired editing 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 pressure.
12. Low-flame should be adjusted so that tempera-
ture drops slowly until burner goes back to
high flame.
13. Watch as burner goes through a few cycles, to
be sure that it is operating properly.
9. Watch as burner goes through a few cycles,
to be sure that it is operating properly.
3. Start fan. This will supply power to heater.
4. Turn thermostat dial to its highest setting.
5. Turn toggle switch on.
6. After 20 seconds both red lights should light up
indicating power to the control circuit.
7. Heater should now be lit. If not, check to see
that all gas is on.