CAUTION: Carbon will be pro- duced if the air shutter is closed too much. Any damage due to carboning resulting from improp- erly setting the air shutter is not covered under the warranty.
Burner Air Shutter Adjustment
Adjustment
Adjustment Rod Up
(Fully Open Position)
Burner Tube
Air Shutter
Adjustment Rod Down (minimum air opening
position)Ref. Air shutter Patent: U.S. Pat. 5,553,603
Main Burner Factory Air Shutter
Opening Setting - Inches (millimeter)
Model | Natural | Propane | |
| Gas | Gas | |
1/32" | 3/16" | ||
(0.795 mm) | (4.763 mm) | ||
| |||
1/32" | 3/16" | ||
(0.795 mm) | (4.763 mm) | ||
|
Figure 11
Millivolt Appliance Checkout
The pilot flame should be steady, not lifting or floating. Flame should be blue in color with traces of orange at the outer edge.
The top 3/8" (10 mm) at the pilot generator (thermopile) and the top 1/8" minimum (tip) of the quick drop out thermocouple should be engulfed in the pilot flame. The flame should project 1" (25 mm) beyond the hood at all three ports. See Figures 12 or 13.
To light the burner, refer to the lighting instruc- tions on Pages 18 & 19.
SIT MILLIVOLT PILOT ASSEMBLY | ||
Proper Pilot Flame Appearance | ||
| Hood | Igniter Rod |
Thermocouple |
| 3/8" Min. |
|
| |
|
| (9 mm) |
Pilot |
|
|
Nozzels |
|
|
Figure 12 | Thermopile |
|
|
| |
Electronic Appliance Checkout
To light the burner, refer to the lighting instruc- tions on Pages 20 & 21. Ensure the igniter lights the pilot. The pilot flame should engulf the flame sensor as shown in Figure 13.
ELECTRONIC PILOT ASSEMBLY
Sensor | Pilot |
| Hood |
Ignitor 
Note: If the ignitor is damaged, a replacement kit is available, order Catalog Number 87L54.
Figure 13
Warranty
Your gas appliance is covered by a limited twenty year warranty. You will find a copy of the warranty accompanying this manual. Please read the warranty to be familiar with its coverage.
Retain this manual. File it with your other documents for future reference.
Product reference information
We recommend that you record the following im- portant information about your fireplace. Please contact your Lennox dealer for any questions or concerns. For the number of your nearest Lennox dealer, please call
Replacement parts
A complete parts list is found at the end of this manual. Use only parts supplied from the manufacturer.
With proper care and maintenance, your appliance will provide many years of enjoy- ment. If you should experience any problem, first refer to the troubleshooting guide in this manual. If problem persists, contact your Lennox distributor.
Normally, all parts should be ordered through your Lennox distributor or dealer. Parts will be shipped at prevailing prices at time of order.
When ordering repair parts, always give the following information:
1.The model number of the appliance.
2.The serial number of the appliance.
3.The part number.
4.The description of the part.
5.The quantity required.
6.The installation date of the appliance.
If you encounter any problems or have any ques- tions concerning the installation or application of this system, please contact your distributor, or Lennox directly:
LENNOX HEARTH PRODUCTS
1110 West Taft Avenue
Orange, CA 92865
visit us at www.Lennox.com
Your Fireplace's Model Number_________________________________________
Your Fireplace's Serial Number_________________________________________
The Date On Which Your Fireplace Was Installed___________________________
The Type of Gas Your Fireplace Uses_____________________________________
Your Dealer's Name _ ________________________________________________
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
11