Step 11. Turn on gas supply and test for gas leaks using a gas leak test
solution (see Test Procedure on Page 12 of the Installation and
Operation Manual).
Step 12. Using a manometer, test the inlet and manifold gas pressure
per instructions in the Installation and Operation Manual (Page
12) and as shown in the following 2 tables.
Step 13. Reinstall the the log set and glass door assembly. See Pages
10 and 11 (Log Set Installation) and Page 18 (Door Assembly
Installation) in the Installation and Operation Manual.
Step 14. Light the appliance per the lighting instructions label on ap-
pliance (located below glass door) or lighting instructions on
Page 13 in the Installation and Operation Manual. Inspect for
proper pilot and burner flame appearances. See Figures 9 and
10 or refer to Pages 14 and 17 of the Installation and Operation
Manual.Figure 10 - 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 9 - 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. © Lennox Hearth Products 2007
P/N 775,237M rEv. A 12/2007
Lennox 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.
1110 west Taft Avenue • Orange, CA 92865
NOTE: DIAGRAMS AND ILLUSTRATIONS ARE NOT TO SCALE.