Grain Systems PNEG-297 - Manual (Page 15)

PNEG-297 Chi-Town Heater 15
7. Operating Instructions
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 heater toggle switch to ON.
6. Heater should now be lit. If not, check to see that all gas is on and thermostat is wired in.
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. (See charts on Page 14 .)
9. Watch plenum temperature as burner goes through a few cycles to be sure it is operating properly.
Figure 7A Propane Vapor Pipe Train