Louisville Tin and Stove VFM304 ユーザーズマニュアル
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 6.
CORRECT
INCORRECT -
LOW PRESSURE
INCORRECT - OXYGEN
LEVEL DROPPING
BURNER FLAME
All orificing and pressure setting was done at the factory and, with proper supply pressure, will provide a safe, efficient
source of heat. However, if any questions about manifold pressure, have a qualified serviceman check with a manometer,
Natural Gas will be 5”, L.P. Gas will be 10” w.c. A proper burner flame (See Figure 7) will produce a reddish-orange flow on
the surface of the ceramic burner plaques. If the burner flame has blue streamers or the flame is floating off the surface of
the plaques, turn heater off and call a qualified service person. Do not operate heater if all plaques are not glowing.
NOTE: There will be approximately ¼” space on the sides and top of the burner that will not glow.
VFM20: When turned to the “LO” setting the two middle plaques will light and glow. When valve is turned to “HI” then
source of heat. However, if any questions about manifold pressure, have a qualified serviceman check with a manometer,
Natural Gas will be 5”, L.P. Gas will be 10” w.c. A proper burner flame (See Figure 7) will produce a reddish-orange flow on
the surface of the ceramic burner plaques. If the burner flame has blue streamers or the flame is floating off the surface of
the plaques, turn heater off and call a qualified service person. Do not operate heater if all plaques are not glowing.
NOTE: There will be approximately ¼” space on the sides and top of the burner that will not glow.
VFM20: When turned to the “LO” setting the two middle plaques will light and glow. When valve is turned to “HI” then
all four plaques will be lit.
CORRECT FLAME
INCORRECT FLAME
FIGURE 7
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VFM20 / CORRECT FLAME
“LO”
VFM20 / CORRECT FLAME
“HI”