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NOTE: DIAGRAMS AND ILLUSTRATIONS ARE NOT TO SCALE.
These Gas Log Appliances incorporate unitized ceramic fiber logs which
provides some glow realistically when the appliance is operating.
The gas log sets covered in this document are heater rated units. These
units are equipped with a millivolt gas valve. The control knob is set to
the desired position, which maintains a continuous gas burning rate.
A spark ignition system (piezo) allows the gas pilot to be lit without the
use of matches or batteries and permits operation of the heater during
a power outage.
These Dual-Listed Gas Log Appliances are equipped with a specially designed
pilot utilizing an oxygen depletion sensor (ODS) which responds to the
amount of oxygen available in the room and shuts the heater off before the
oxygen level drops below 18%. The pilot can be relit only when fresh air is
available. Refer to the Combustion and Ventilation Air section.
These appliances are approved to be installed into an existing masonry
fireplace (built to UBC 37, Masonry Standards) or factory built solid
fuel, wood burning fireplace (listed to UL 127, Factory Built Fireplace
Standards) or a built-in Vent-Free Firebox (listed to Ventless Firebox
Enclosures for Gas-Fired Unvented Decorative Room Heaters to ANSI
Z21.91). Any outside air ducts and/or ash dumps in the fireplace shall
be permanently closed at time of appliance installation. See Figure 1
for the minimum size requirements of the existing firebox.
See Figure 1 for the minimum size requirements of the existing firebox
in which the gas logs will be installed.
CONGRATULATIONS ON THE PURCHASE OF YOUR NEW
GAS APPLIANCE MANUFACTURED BY LENNOX HEARTH
PRODUCTS.
When you purchased your new gas-log heaters, you joined the ranks
of thousands of individuals whose answer to their home heating needs
reflects their concern for efficiency and our environment. We extend our
continued support to help you achieve the maximum benefit and enjoy-
ment available from your new gas-log heater. It is our goal at Lennox
Hearth Products to provide you, our valued customer, with an appliance
that will ensure years of trouble-free warmth and pleasure.
Thank you for selecting a Lennox Hearth Products gas-log heater as the
answer to your supplemental home heating needs.
Sincerely, All of us at Lennox Hearth Products
TABLE OF CONTENTS
Important Safety Information ....................................................Page 2
Packaging List ...........................................................................Page 3
General Information ..................................................................Page 3
Tools Required ..........................................................................Page 4
Burn-In Period ..........................................................................Page 4
Codes ........................................................................................Page 4
New Your City (MEA) Approval .................................................Page 4
Requirements for the
Commonwealth of Massachusetts ......................................... Page 5
Combustion and Ventilation Air .................................................Page 5
Preinstallation ...........................................................................Page 6
Clearances ................................................................................Page 6
Installation ................................................................................ Page 8
Gas Pressure Check ..................................................................Page 9
Log Placement Instructions ...................................................... Page 10
Pilot Flame Appearance ............................................................. Page 12
Burner Flame Appearance .........................................................Page 12
Operation and Care ...................................................................Page 13
Cleaning and Servicing .............................................................Page 13
Replacement Parts Instructions ................................................Page 13
Accessories ............................................................................... Page 13
Millivolt Wiring Diagram ...........................................................Page 16
Appliance Specification Chart ....................................................Page 16
Operating Instructions – Millivolt ..............................................Page 17
Troubleshooting Guide ..............................................................Page 18
Replacement Parts List – Millivolt ............................................. Page 19
This installation manual will help you obtain a safe, efficient, depend
-
able installation for your appliance.
PLEASE READ AND UNDERSTAND THESE INSTRUCTIONS
BEFORE BEGINNING YOUR INSTALLATION
PACKAGING LIST
INTRODUCTION
GENERAL INFORMATION
The gas train models LSVFSD-NG and LSVFSD-LP are packaged with
the following:
1 - One base/grate assembly
2 - One bag of lava rock
3 - One damper clamp
4 - One literature package, which consists of the installation and
operation manual and warranty
Log sets are sold separately (see
Page 15 for ordering information)
Log Set Height
(A)
Depth
(B)
Width Front
(C)
Width Rear
(D)
LSVFSD-18 Logs 19" 14" 30" 20-1/2"
LSVFSD-24 Logs 19" 14" 30" 24-1/2"
LSVFSD-30 Logs 19" 14" 38" 24-1/2"
D
B
Figure 1 - Minimum Fireplace (Firebox) Size
C
A
Side View
Top View
Tech services in UC is asking me why we have this
in here? We have a customer in TX who wants to
buy our logs and UVFRC and is questioning this b/c
these outside air ducts can't be permanently closed
off and in the sustaining meeting today everyone
told me this shouldn't be in here. Don seems to
have an understanding of this also, so you can talk
to him for some clarification. Thanks.