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PROPER OPERATION
ODS / PILOT FLAME
The pilot pressure has been pre-set at the factory and with proper supply pressure will provide a safe,
reliable ignition source. See Figure 7.
CORRECT
INCORRECT -
LOW PRESSURE
INCORRECT - OXYGEN
LEVEL DROPPING
BURNER FLAME
All orificing and pressure setting was done at the factory and, with correct supply pressure will provide a safe, efficient
source of heat. If installed above 2,000 ft. elevation, the main burner orifice must be changed. See orifice chart on Page 10
for correct size. If there is any question about the manifold pressure, have a qualified serviceman check using a
manometer. The manifold pressure should be 3.0” w.c. for natural gas and 10.0” w.c. for L.P. gas. A proper burner flame
will have a soft blue outer mantel approximately 3.5 in. tall with a darker blue inner mantel approximately 1/4” tall.
CORRECT FLAME
INCORRECT FLAME
FIGURE 8
Page 12
FIGURE 7
1/4”
INNER
MANTEL
3-1/2”
OUTER
MANTEL