Checking The Gas Connections; Gas Pressure Check - Lennox Elite CVF - NG Installation And Operation Instructions Manual

Catalytic vent-free fireplaces
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CHECKING THE GAS CONNECTIONS

Never use an open flame to check for leaks.
Turn on gas supply and test for gas leaks using a gas leak test
solution (also referred to as bubble leak solution) .
NOTE: Using a soapy water solution (50% dish soap, 50% water)
is an effective leak test solution, but it is not recommended,
because the soap residue that is left on the pipes/fittings can
result in corrosion over time.
A. Light the appliance (refer to the lighting instructions label in
the con trol compartment or on Page 16) .
B. Brush all joints and connections with the gas leak test
solution to check for leaks . If bubbles are formed, or gas
odor is detected, turn the gas control knob (off/pilot/on)
to the "OFF" position . Either tighten or refasten the leaking
connection, then retest as described above .
C. When the gas lines are tested and leak free, be sure to rinse
off the leak testing solution .
D. Observe the individual tongues of flame on the burner . Make
sure all ports are open and producing flame evenly across the
burner . If any ports are blocked, or partially blocked, clean out
the ports .

GAS PRESSURE CHECK

The heater regulator controls the burner pressure which should be
checked at the pressure test point located on the appliance inlet pipe .
The appliance inlet pipe runs between the regulator and the gas valve
and the test point is located next to the regulator .
The test point is situated before the appliance gas valve so it will be
necessary to turn off the gas supply before removing the test point
screw (Figure 6) .
Figure 6
12
WARNING
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE
Connect the pressure gauge .
Turn on the gas supply and light the heater . Turn the control to the high
flame setting and check the pressure .
Figure 7
The pressure regulator on manual models is preset and locked to avoid
tampering . If the pressure is not as specified in Table 1 on Page 3,
replace the regulator with P/N H6063 for Natural Gas units and H7001
for Propane Gas units .
Replace the test point screw ensuring no gas leaks .

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