Introduction
1-6
750-392
CBEX -DE
1.2.4 — Pilot train
1. Gas Pilot Valve: A solenoid valve that opens during the ignition period to admit fuel to the pilot. It closes after
main flame is established. The sequence of energizing and de-energizing is controlled by the programming
relay. A second gas pilot valve may be required by insurance regulations.
2. Gas Pilot Shutoff Cock: For manually opening or closing the gas supply to gas pilot valve.
3. Gas Pressure Gauge: Indicates gas pressure to pilot.
4. Gas Pressure Regulator: Reduces incoming gas pressure to suit the pilot.
1.2.5 — Burner drawer
The burner is a nozzle-mixing orifice design with interrupted gas pilot. Burners equipped for oil use a low pres-
sure, air-atomized oil system.
FIGURE 1-7. Pilot train
1
2
3
4
FIGURE 1-8. Burner drawer
GAS HOUSING
BURNER SUPPORT
BURNER DRAWER
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