Step 16. Turn on gas supply and test for gas leaks using a gas leak test
solution (see Test Procedure on Page 22 of the Installation and
Operation Manual).
Step 17. Using a manometer, test the inlet and manifold gas pressure per
instructions in the Installation and Operation Manual (Page 22)
and as shown in the following 2 tables.
Step 18. Reinstall the log set and glass door assembly. See Page 20 (Log
Set Installation) and Page 34 (Door Assembly Installation) in
the Installation and Operation Manual.
Step 19. Light the appliance per the lighting instructions label on appliance
(located below glass door) or lighting instructions on Page 28 of
the Installation and Operation Manual. Inspect for proper pilot
and burner flame appearances (see Figures 10 and 11). Also
see Flame Color and Behavior and Inspect The Pilot System
For Proper Flame on Page 29 of the Installation and Operation
Manual.
Figure 11 - Burner Flame Appearance
No Blue Flame
Center
Soot at
Flame Tip
Dark Orange
Flame
IMPROPERLy
BuRNING FLAME
Soot above
Flame Tip No Soot at
Flame Tip
PROPERLy
BuRNING FLAME
Semi-Transparent
yellow Flame
Blue Flame
Center
Ports on Pan
Burner Assembly
Figure 10 - Proper Pilot Flame Appearance
Inlet Gas Supply Pressure
Fuel # Minimum Maximum Desired
Nat.
Gas
5" wC/po. C.E
(1.24 kPa)
10.5" wC/po. C.E
(2.61 kPa)
7" wC/po. C.E
(1.74 kPa)
Manifold Gas Supply Pressure
Fuel # Low high
Natural
Gas (Lo) 1.7" wC/po. C.E
(0.42 kPa)
(hi) 3.5" wC/po. C.E
(0.87 kPa)
4
Printed in u.S.A. © 2008 Lennox hearth Products
P/N 775,241M REV. A 08/2008
Lennox Hearth Products reserves the right to make changes at any time, without notice, in
design, materials, specifications, prices and also to discontinue colors, styles and products.
Consult your local distributor for fireplace code information.
NOTE: DIAGRAMS AND ILLUSTRATIONS ARE NOT TO SCALE.
1110 west Taft Avenue • Orange, CA 92865