
2NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Theseappliances aredesignedto operateon
natural or propane gas only.
Input of millivolt models is variable. These
rates are shown in the following tables:
CONGRATULATIONS!
InselectingthisLENNOXDirect-VentGasApplianceyouhavechosenthefinestandmost
dependable fireplace to be found anywhere. A beautiful, prestigious, alternative to a
woodburningfireplace. WelcometoaFamilyoftensofthousandsofsatisfiedLENNOX
Fireplace Owners.
Please read and carefully follow all of the instructions found in this manual. Please pay
special attention to the safety instructions provided in this manual. The Homeowner's
Care and Operation Instructions included here will assure that you have many years of
dependable and enjoyable service from your LENNOX product.
INTRODUCTION
The Fireplace models covered in this manual
areDirect-Ventsealedcombustionventedgas
fireplace heaters designed for residential ap-
plication. Direct-Ventappliancesoperatewith
the combustion chamber completely isolated
from the inside atmosphere. All air for com-
bustion is brought in from the outside and
exhaust gases are vented through the same
direct vent, vent system.
GENERAL INFORMATION
Note: Installation and repair should be per-
formedbyaqualifiedserviceperson.Theappli-
ance should be inspected annually by a quali-
fied professional service technician. More fre-
quent inspections and cleanings may be re-
quired due to excessive lint from carpeting,
bedding material, etc. It is imperative that the
control compartment, burners and circulating
airpassagewaysoftheappliancebekeptclean.
S'assurer que le brùleur et le compartiment
des commandes sont propres. Voir les in-
structions d'installation et d'utilisation qui
accompagnent l'appareil.
Provideadequateclearancesaroundairopen-
ings and adequate accessibility clearance for
service and proper operation. Never obstruct
the front openings of the appliance.
Duetohightemperaturestheapplianceshould
be located out of traffic and away from furni-
ture and draperies. Locate furniture and win-
dow coverings accordingly.
The millivolt appliances are designed to oper-
ateoneithernaturalorpropanegas.Amillivolt
gas control valve with piezo ignition system
provides safe, efficient operation. External
electrical power is required to operate the
optional electrically powered components if
installed. Electrical power must be wired
during appliance installation.
The electronic appliances are designed to op-
erate on either natural or propane gas. An
electronic intermittent pilot system provides
safe, efficient operation. External electrical
power is required to operate these units.
TheseappliancescomplywithNationalSafety
Standards and are tested and listed by Omni-
Test Laboratories (Report No. 116-F-13-4) to
ANSI Z21.88-2000 (in Canada, CSA-2.33-
2000), and CAN/CGA-2.17-M91 in both USA
and Canada, as vented gas fireplace heaters.
Installation must conform to local codes. In
the absence of local codes, installation must
comply with the current National Fuel Gas
Code,ANSIZ223.1(NFPA54).(InCanada,the
currentCAN/CGAB149installationcode.) Elec-
tricalwiringmust complywithlocalcodes. In
the absence of local codes, installation must
be in accordance with the National Electrical
Code, NFPA 70 - (latest edition). (In Canada,
thecurrentCSAC22.1CanadianElectricCode.)
DO NOT ATTEMPT TO ALTER OR MODIFY
THE CONSTRUCTION OF THE APPLIANCE OR ITS
COMPONENTS. ANY MODIFICATION OR ALTER-
ATION MAY VOID THE WARRANTY,
CERTIFICATION AND LISTINGS OF THIS UNIT.
TABLE OF CONTENTS
Introduction..................................... page 2
General Information......................... page 2
Operation/Care of Your Appliance.... page 3
Gas Controls/Compartment Access . page 3
Variable Flame Adjustment .............. page 4
Maintenance Schedule..................... page 5
Maintenance .................................... page 6
Glass Cleaning................................. page 6
Front Glass Enclosure Panel,
Removal and Installation ............... page 6
Burner Adjustments......................... page 6
Flame Appearance and Sooting ....... page 6
Adjustment ...................................... page 7
Log Placement................................. page 7
Rockwool Placement ....................... page 7
Vermiculite Placement..................... page 7
Volcanic Stone Placement ............... page 7
Millivolt Appliance Checkout............ page 7
Electronic Appliance Checkout......... page 8
Wiring Diagrams.............................. page 9
Warranty.......................................... page 9
Replacement Parts .......................... page 9
Product Reference Information ....... page 9
Accessory Components................... page 11
Lighting Instructions – Millivolt....... page 16
Lighting Instructions – Electronic.... page 18
Troubleshooting Guide – Millivolt ..... page 20
Troubleshooting Guide – Electronic .. page 21
Replacement Parts List..................... page 22
htiwsledoMtlovilliM evlaVsaGdetaludoM-yllaunaM saGlarutaN
seireSledoM)H/UTB(etartupnI
8233-TDPM 8233-RDPM 005,71ot007,11
0353-DPM000,02ot008,21
5304-DPM000,72ot005,81
0454-DPM000,92ot005,02
WARNING: THESE FIREPLACES ARE
VENTED HEATERS. DO NOT BURN
WOOD OR OTHER MATERIAL IN THESE
APPLIANCES.
WARNING: IMPROPERINSTALLATION,
ADJUSTMENT, ALTERATION, SERVICE
ORMAINTENANCE CAN CAUSE INJURY
OR PROPERTY DAMAGE. REFER TO
THIS MANUAL. FOR ASSISTANCE OR
ADDITIONAL INFORMATION CONSULT
A QUALIFIED INSTALLER, SERVICE
AGENCY OR THE GAS SUPPLIER.
WARNING: ELECTRONIC MODELS OF
THESE APPLIANCES ARE EQUIPPED
WITH A THREE-PRONG (GROUNDING)
PLUG UTILIZED IN CONNECTING THE
ELECTRONIC COMPONENTS TO THE
JUNCTION BOX IN THE LOWER COM-
PARTMENT. THIS GROUNDING PLUG
PROVIDES PROTECTION AGAINST
SHOCK HAZARD AND SHOULD BE
PLUGGED DIRECTLY INTO THE PROP-
ERLY GROUNDED THREE-PRONG RE-
CEPTACLE. DO NOT CUT OR REMOVE
THE GROUNDING PRONG FROM THE
PLUG.