Check Gas Pressure - Vermont Castings CFX24NV Installation And Operating Instructions Manual

GAS CONNECTION

CHECK GAS PRESSURE

1. Check gas type. The gas supply must be the same as
stated on the appliance's rating decal. If the gas supply
is different from the fi replace, STOP! Do not install the
appliance. Contact your dealer immediately.
2. To ease installation, a 24" (610 mm) fl ex line with manual
shut-off valve has been provided with on this appliance.
Install and attach 1/2" gas line onto shut-off valve.
3. After completing gas line connection, purge air from
gas line and test all gas joints from the gas meter to the
fi replace for leaks. Use a solution of 50/50 water and
soap solution or a gas sniffer.
Figure 18 -
Gas Pressure Check at Gas Valve
20301726
WARNING: Do not use open fl ame to
check for gas leaks.
Pressure
Test "IN"
Pressure
Test "OUT"
HI/LO Knob
Pilot Adjustment Screw
CFX VENT FREE FIREPLACE SYSTEM
4. To adjust fl ame height, turn HI/LO knob to HI to get
maximum pressure to burner. Turn HI/LO knob to LO
to get minimum pressure.
5. To check gas pressures at valve, turn captured screw
counter clockwise 2 or 3 turns and then place tubing
to pressure gauge over test point. Turn unit to high.
Figure 18 After taking pressure reading, be sure and
turn captured screw clockwise fi rmly to reseal. Do not
over torque. Check test points for gas leaks.
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