Proper Operation - COZY BFT101 Installation And Operation Instructions Manual

Blue flame vent free heaters
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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.
(DRRE(T
FIGURE 7
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 selaTicelnan check using a
manometer. The lnanifold pressure should be 3.0" w.c. t\_rnatural gas and 10.0" w.c. for L.E gas. A proper burner flame
will have a so ft blue outer mantel approxilnately 3.5 in. tall with a darker blue inner mantel approximately 1/4" tall.
1NNER
OUTER
MANTEL
MANTEL
CORRECT FLAME
FIGURE 8
I
INCORRECT
FLAME
Page l2

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