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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.
TABLE OF CONTENTS
Introduction ............................................ page
General Information ................................ page
Operation/Care of Your Appliance .......... page
Variable Flame Adjustment ..................... page
Glass Cleaning ........................................ page
Maintenance Schedule ............................ page
Maintenance ........................................... page
Burner Adjustments ................................ page
Flame Appearance and Sooting .............. page
Adjustment ............................................. page
Log Placement ........................................ page
Embers & Volcanic Stone Placement ..... page
Millivolt Appliance Checkout ................... page
Electronic Appliance Checkout ............... page
Accessory Components .......................... page
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
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.
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.
2
The millivolt appliances are designed to oper-
ate on either natural or propane gas. A millivolt
gas control valve with piezo ignition system
2
provides safe, efficient operation. External
2
electrical power is required to operate the
3
optional electrically powered components if
4
installed. Electrical power must be wired
4
during appliance installation.
5
Electronic appliances are designed to operate on
6
natural or propane gas. An electronic intermittent
pilot ignition system provides safe, efficient op-
eration. External electrical power is recommended
6
to operate these units. If the system operates on
6
line voltage with 3V adapters, two (2) "D" batter-
6
ies can be used as a backup in case of a power
6
outage. The electronic appliance can be operated
solely with two (2) "D batteries.
7
8
These appliances comply with National Safety
8
Standards and are tested and listed by Omni-
8
Test Laboratories (Report No. 116-F-47-5) to
ANSI Z21.88 (in Canada, CSA-2.33), and CAN/
8
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.
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.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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.
WARNING: THESE FIREPLACES ARE
VENTED HEATERS. DO NOT BURN
WOOD OR OTHER MATERIAL IN THESE
APPLIANCES.
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:
M
i
i l l
o v
t l
A
d n
l E
c e
r t
n o
c i
M
M
n a
a u
l l
- y
M
d o
l u
t a
d e
G
s a
N
t a
r u
l a
G
s a
P
o r
I
p n
t u
M
d o
l e
N
. o
a r
e t
M
d o
l e
B (
T
/ U
) H
3 1
0 ,
0 0
M
P
L
D
V 0 3
o t
M
P
L
D
V 0 3
0 1
0 ,
0 0
9 1
0 ,
0 0
M
P
L
D
V 5 3
o t
M
P
L
D
V 5 3
5 1
0 ,
0 0
5 2
0 ,
0 0
M
P
L
D
V
0 4
o t
M
P
L
D
V
8 1
5 ,
0 0
6 2
0 ,
0 0
M
P
L
D
V
5 4
o t
M
P
L
D
V
0 2
0 ,
0 0
Electronic Models -
Electronic models have a modulating gas valve.
Input of electronic models is shown in the
following table:
o
e d
s l
i w
h t
V
l a
e v
a p
e n
G
s a
I
p n
t u
N
. o
a r
e t
B (
T
/ U
) H
1 1
5 ,
0 0
o t
9
0 ,
0 0
8 1
0 ,
0 0
o t
4 1
0 ,
0 0
1 2
5 ,
0 0
0 4
o t
6 1
5 ,
0 0
5 2
0 ,
0 0
5 4
o t
9 1
0 ,
0 0
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Troubleshooting
