NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
2
Installation must conform to local codes. In
the absence of local codes, installation must
comply with the current National Fuel Gas
Code, ANSI Z223.1. (In Canada, the current
CAN-1 B149 installation code.) Electrical
wiring must comply with the National Electri-
cal Code ANSI/ NFPA 70 - latest edition. In
Canada, the current CSA C22-1 Canadian
Electrical Code - latest edition.
TABLE OF CONTENTS
Packaging ......................................page 2
Introduction ...................................page 2
General Information .......................page 3
Questions/Building Offi cials ...........page 4
High Altitude ..................................page 4
Fireplace Requirements ..................page 4
Specifi cations .................................page 5
Clearance to Combustibles .............page 7
Step 1 Clean Fireplace ........................page 8
Step 2 Preparation ...........................page 8
Step 3 Unpack the insert. ...................page 8
Step 4 Lift Insert into Position ...........page 8
Step 5 Remove Glass Door ................page 8
Step 6 Remove Firebox Contents ......page 9
Step 7 Install LP Conv. (if necessary) page 9
Step 8 Install Venting .........................page 9
Step 9 Connect Gas Line ....................page 11
Step 10 Purge Air ...............................page 11
Step 11 Install Log Set .......................page 11
Step 12 Perform Leak Test .................page 14
Step 13 Install Opt. Surround or
Control Kit ...........................................page 14
Step 14 Install Thermostat/Remote ...page 14
Step 15 Check Appliance Operation ...page 14
Step 16 Reinstall Front Glass Door ....page 14
Step 17 Check Blower Operation .......page 14
Step 18 Adjust Burner .......................page 15
Step 19 Install Optional Accessories ..page 15
Rating Plates .......................................page 16
Please read and understand these
instructions before beginning your
installation.
This installation manual will help you obtain
a safe, effi cient, dependable installation for
your appliance and vent system.
CONGRATULATIONS ON THE PURCHASE OF YOUR NEW GAS APPLIANCE MANU-
FACTURED BY LENNOX HEARTH PRODUCTS.
When you purchased your new gas fi red heater, you joined the ranks of thousands of
concerned individuals whose answer to their home heating needs refl ects their concern for
aesthetics, effi ciency and our environment. We extend our continued support to help you
achieve the maximum benefi t and enjoyment available from your new gas fi red heater. It
is our goal at Lennox Hearth Products to provide you, our valued customer, with an appli-
ance that will ensure you years of trouble free warmth and pleasure.
Thank you for selecting a Lennox Hearth Products gas fi red heater as the answer to
your home heating needs.
Sincerely,
All of us at Lennox Hearth Products
These Millivolt appliances are listed by
OMNI-Test Laboratories Inc. for instal-
lation in bedrooms and manufactured
(mobile) homes.
PACKAGING LIST
The assembled vented gas insert heater is
packaged with:
1 - One accessory package containing a
literature package (installation and operation
instruction manuals) is located on top of the
appliance.
2 - One log set, one bag of embers, one bag
of vermiculite, one propane conversion kit (if
needed to run on LP gas).
3 - One Warranty Certifi cate.
4 - One Fireplace Warning Label.
When installed in a manufactured home (mobile
home), these appliances must be installed
in accordance with the current Standard for
Mobile Homes, CAN/CSA Z240 MH, or with the
Manufactured Home Construction and Safety
Standard, Title 24 CFR, Part 3280, or when
such a standard is not applicable, the current
Standard for Fire Safety Criteria for Manufactured
Home Installations, Sites and Communities,
ANSI/NFPA 501A.
These millivolt appliances are designed to
operate on natural or propane gas only.
Units
are factory set for use with Natural Gas and will
require fi eld conversion for use with Propane
(a propane conversion kit is located inside the
fi rebox). The use of other fuels or combination
of fuels will degrade the performance of this
system and may be dangerous.
These appliances comply with National
Safety Standards and are tested and listed
by OMNI-Test Laboratories Inc.; Beaverton,
Oregon (Report No. 116-F-14-5) to ANSI
Z21.88 (in Canada, CSA-2.33), and CAN/
CGA-2.17-M91 in both USA and Canada, as
vented gas heaters.
These heaters are designed to be installed into
an existing masonry fi replace (built to UBC 37
or ULC S628 standards) or factory built solid
fuel, wood, burning fi replace (listed to UL 127
or ULC S610) only. All exhaust gases must be
vented outside the structure. Combustion air
is drawn from outside the structure.
These appliances use a millivolt type control
system consisting of a gas control valve with
regulator (control to adjust for fl ame appear-
ance and heat output), a standing pilot burner
assembly, a thermopile, thermocouple, a piezo
igniter, and ON/OFF switch.
THE GAS BURNER
SYSTEM ON THESE APPLIANCES DO NOT
REQUIRE 120 VOLT POWER TO OPERATE.
These appliances are designed as supple-
mental heaters. Therefore, it is advisable to
have an alternate heat source when installed
in a dwelling.
SURROUND ASSEMBLY SOLD
SEPARATELY
Model: EDVI25
SKS-25 Surround Kit, Small
(40 1/4" W x 26 1/4" H)
SKM-25, Surround Kit, Medium
(44 1/8" W x 28 1/8" H)
Model: EDVI30
SKS-30, Surround Kit, Small
(40 1/4" W x 27 1/2" H)
SKM-30, Surround Kit, Medium
(45 3/4" W x 30 1/4" H)
SKL-30, Surround Kit, Large
(49 1/4"" W x 32" H)
Model: EDVI35
SKM-35, Surround Kit, Medium
(48 1/16" W x 34 1/16")
DO NOT ATTEMPT TO ALTER OR MODIFY
THE CONSTRUCTION OF THE APPLIANCE OR ITS
COMPONENTS. ANY MODIFICATION OR ALTERA-
TION MAY VOID THE WARRANTY, CERTIFICATION
AND LISTINGS OF THIS UNIT.
INTRODUCTION
The Insert models covered in this manual are
Direct-Vent sealed combustion gas heaters
designed for residential application for installion
into an existing masonry or factory built solid
fuel burning fi replace. The required liners for
the air intake and exhaust are as follows:
•
Air Intake: U
se 3” diameter UL 1181 or UL
1777 listed liner only.
•
Exhaust: Use 3” diameter UL1777 listed
gas vent liner only.
DO NOT USE UL 1181
LISTED LINER.
These vent systems must be routed through
the existing fi replace fl ue system to the vent
termination.
