Step 16. Turn on gas supply and test for gas leaks using a gas leak test
solution (see Test Procedure on Page 18 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
18) and as shown in the following 2 tables.
Step 14. Reinstall the log set and glass door assembly. See Page 12
(Log Set Installation) and Page 25 (Door Assembly Installation)
in the Installation and Operation Manual.
Step 15. Light the appliance per the lighting instructions label on appliance
(located inside left door) or lighting instructions on Page 19 of
the Installation and Operation Manual. Inspect for proper pilot
and burner flame appearances (see Figures 15 and 16 below).
Also see Flame Color and Behavior and Inspect The Pilot System
For Proper Flame on Page 20 of the Installation and Operation
Manual.
Figure 16 - 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 15 - Proper Pilot Flame Appearance
Safety Label
Step 15.Remove the sticker covering the model on the label so that it
reads “Epic NG40” if orifice #31 is installed. Use the sticker
“Epic NG33” to cover “Epic NG40” on the label if orifice #36
is installed. The label is located on the inside of the left hand
door (see Figure 14).
Figure 13
Figure 14
Step 14. Before you secure the burner with screws, double check that
the orifice is positioned into the burner neck by feeling around
the back of the burner (see Figure 13). Then, lower the burner
so it sits flush on the burner supports and replace the 2 screws
removed in step 6 (see Figure 13).
reach behind burner and feel orifice to
ensure it is centered in the burner neck
Lower burner flush and reinstall
screws (indicated by arrows)
Burner
Burner
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. © 2007 Lennox hearth products
p/N 775,235M rEv. C 03/2008
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.