2
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
These appliances are designed to operate
on natural or propane gas only.
Millivolt Models -
Input of millivolt models is shown in the fol-
lowing table:
CONGRATULATIONS!
In selecting this LENNOX Direct-Vent Gas Appliance you have chosen the finest and most
dependable fireplace to be found anywhere. It is a beautiful, prestigious, alternative to
a wood burning fireplace. Welcome to a Family of tens of thousands of satisfied LENNOX
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 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
are Direct-Vent sealed combustion gas fire-
place heaters designed for residential applica-
tion. Direct-Vent appliances operate with the
combustion chamber completely isolated from
the inside atmosphere. All air for combustion
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 performed
by a qualified service person. The appliance
should be inspected annually by a qualified pro-
fessional service technician. More frequent in-
spections and cleanings may be required due to
excessive lint from carpeting, bedding material,
etc. It is imperative that the control compart-
ment, burners and circulating air passage ways
of the appliance be kept clean.
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.
Provide adequate clearances around air open-
ings and adequate accessibility clearance for
service and proper operation. Never obstruct
the front openings of the appliance.
Due to high temperatures the appliance should
be located out of traffic and away from furni-
ture and draperies. Locate furniture and win-
dow coverings accordingly.
These heater rated appliances are intended
for use as supplemental heaters only. Using
these appliances as a primary heat source
may void the manufacturers warranty.
The millivolt appliances are designed to oper-
ate on either natural or propane gas. A millivolt
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.
TABLE OF CONTENTS
Introduction ............................................ page
2
General Information ................................ page
2
Operation/Care of Your Appliance .......... page
3
Variable Flame Adjustment ..................... page
4
Glass Cleaning ........................................ page
4
Maintenance Schedule ............................ page
5
Maintenance ........................................... page
6
Front Glass Enclosure Panel,
Removal and Installation ...................... page
6
Burner Adjustments ................................ page
6
Flame Appearance and Sooting .............. page
6
Adjustment ............................................. page
6
Log Placement ........................................ page
7
Embers & Volcanic Stone Placement ..... page
8
Millivolt Appliance Checkout ................... page
8
Electronic Appliance Checkout ............... page
8
Accessory Components .......................... page
8
Wiring Diagrams .................................... page
11
Warranty ................................................. page
11
Replacement Parts ................................. page
11
Product Reference Information .............. page
11
Lighting Instructions – Millivolt .............. page
12
Lighting Instructions – Electronic ........... page
14
Troubleshooting Guide – Millivolt ............ page
16
Troubleshooting Guide – Electronic ......... page
17
Replacement Parts List ........................... page
18
Electronic Models -
Electronic models have a modulating gas valve.
Input of electronic models is shown in the
following table:
WARNING: THESE FIREPLACES ARE
VENTED HEATERS. DO NOT BURN
WOOD OR OTHER MATERIAL IN THESE
APPLIANCES.
WARNING: IMPROPER INSTALLATION,
ADJUSTMENT, ALTERATION, SERVICE
OR MAINTENANCE 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.
These appliances comply with National Safety
Standards and are tested and listed by Omni-
Test Laboratories (Report No. 116-F-47-5) to
ANSI Z21.88 (in Canada, CSA-2.33), and CAN/
CGA-2.17-M91 in both USA and Canada, as
vented gas fireplace heaters.
The Installation must conform to local codes
or, in the absence of local codes, with the
National Fuel Gas Code, ANSI Z223.1/NFPA
54, or the Natural Gas and Propane Instal-
lation Code, CSA B149.1. The appliance,
when installed, must be electrically
grounded in accordance with local codes
or, in the absence of local codes, with the
National Electrical Code, ANSI/NFPA 70, or
the
Canadian Electrical Code, CSA C22.1.
DO NOT ATTEMPT TO ALTER OR MODIFY
THE CONSTRUCTION OF THE APPLIANCE OR
ITS COMPONENTS. ANY MODIFICATION OR
ALTERATION MAY VOID THE WARRANTY,
CERTIFICATION AND LISTINGS OF THIS UNIT.
Electronic appliances are designed to operate on
natural or propane gas. An electronic intermittent
pilot ignition system provides safe, efficient op-
eration. External electrical power is recommended
to operate these units. If the system operates on
line voltage with 3V adapters, two (2) "D" batter-
ies can be used as a backup in case of a power
outage. The electronic appliance can be operated
solely with two (2) "D batteries.
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1
This manual is part of a set of three support-
ing this product. Refer to manuals 850,043M
for Installation Instructions and 750,230M
for Log Placement Guide.
