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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 Opera-
tion 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 ............................................. page
Maintenance Schedule ............................. 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 supporting
this product. Refer to manual 850,036M for
Installation Instructions and 750,201M for Log
Placement Guide.
introduction
The Fireplace models covered in this manual
are Direct-Vent sealed combustion gas fireplace
heaters designed for residential application.
Direct-Vent appliances operate with the com-
bustion 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 operate
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 during
4
appliance installation.
4
Electronic appliances are designed to operate on
5
natural or propane gas. An electronic intermit-
tent pilot ignition system provides safe, efficient
operation. External electrical power is recom-
6
mended to operate these units. If the system
6
operates on line voltage with 3V adapters, two
6
(2) "D" batteries can be used as a backup in case
6
of a power outage. The electronic appliance can
7
be operated solely with two (2) "D batteries.
8
These appliances comply with National Safety
8
Standards and are tested and listed by Omni-
8
Test Laboratories (Report No. 116-F-39-5)
to ANSI Z21.88 (in Canada, CSA-2.33), and
8
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 Installation 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 per-
formed by a qualified service person. The
appliance should be inspected annually by a
qualified professional service technician. More
frequent inspections and cleanings may be
required due to excessive lint from carpeting,
bedding material, etc. It is imperative that the
control compartment, 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 instructions
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 furniture
and draperies. Locate furniture and window
coverings accordingly.
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
M
o
d
e
s l
i w
M
a
n
u
a
l l
- y
M
o
d
u
a l
e t
d
G
s a
N
t a
r u
l a
G
s a
P
o r
n I
p
t u
M
o
d
l e
N
. o
a r
e t
M
o
d
l e
B (
T
/ U
) H
2
7
0 ,
0
0
E
L
D
V 5
3
o t
E
L
D
V 5
2
1
0 ,
0
0
2
9
0 ,
0
0
E
L
D
V
4
0
o t
E
L
D
V
2
3
0 ,
0
0
3
0
0 ,
0
0
E
L
D
V 5
4
o t
E
L
D
V 5
2
3
0 ,
0
0
electronic Models -
Electronic models have a modulating gas valve.
Input of electronic models is shown in the
following table:
l E
c e
r t
n o
c i
M
o
e d
s l
i w
h t
N
t a
r u
M
d o
l e
N
. o
I
p n
t u
L E
D
V
5 3
7 2
0 ,
L E
D
V
0 4
9 2
0 ,
L E
D
V
5 4
0 3
0 ,
h t
V
l a
e v
p
a
n
e
G
s a
n I
p
t u
N
. o
a r
e t
B (
T
/ U
) H
2
6
0 ,
0
0
3
o t
2
0
0 ,
0
0
2
7
0 ,
0
0
4
0
o t
2
2
0 ,
0
0
2
8
0 ,
0
0
4
o t
2
1
0 ,
0
0
l a
G
s a
V
l a
e v
a r
e t
B (
T
/ U
) H
0 0
o t
1 2
0 ,
0 0
0 0
o t
3 2
0 ,
0 0
0 0
o t
3 2
0 ,
0 0
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Table of Contents
Troubleshooting
