Lennox Hearth Products LSS-35CN Installation Instructions Manual page 31

Step 8. Reassemble all removed components
by reversing the procedures outlined in the
preceding steps. Use pipe joint compound or
Teflon tape on all pipe fittings before installing
(ensure propane resistant compounds are used
in propane applications, do not use pipe joint
compounds on flare fittings). Adjust the air
shutter opening on the burner tube, referring
to the Note on page 28.
Step 9. Attach the conversion kit label
(Figure 59 ) to the rating plate on the
appliance.
THIS APPLIANCE HAS BEEN CONVERTED TO:
NATURAL GAS
INPUT BTU/HR – 50,000
MANIFOLD PRESSURE – 3.5"
ORIFICE SIZE – (0.130)
THIS APPLIANCE HAS BEEN CONVERTED TO:
PROPANE/LPG
INPUT BTU/HR – 50,000
MANIFOLD PRESSURE – 10"
ORIFICE SIZE – (0.080)
Example Labels
(Each Kit Contains Only One Label)
Figure 59
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Step 10. Turn on gas supply and test for gas
leaks, using a gas leak test solution.
Step 11. Attach a manometer to the manifold
side pressure test fitting and verify manifold
pressure reads 3.5 inches water column (0.87
kPa) for natural gas, and 10.0 inches water
column (2.49 kPa) for propane gas.
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