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LENNOX HEARTH PRODUCTS • MONTEBELLO
TABLE OF CONTENTS
Packaging . . . . . . . . . . . . . . . . . . . . . . . . . 2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
General Information . . . . . . . . . . . . . . . . . . 3
Massachusetts Requirements . . . . . . . . . . 4
Cold Climate Insulation . . . . . . . . . . . . . . . 5
Manufactured Home Requirements . . . . . . 5
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Vent Termination Clearances . . . . . . . . . . . 6
Minimum Clearances to Combustibles . . . . . 8
Detailed Installation Steps . . . . . . . . . . . . . 9
Typical Installation Sequence . . . . . . . . . . 9
Step 1. Framing . . . . . . . . . . . . . . . . . . . . 9
Fireplace and Framing Specifications . . . . . . 10
Step 2. Routing Gas Line . . . . . . . . . . . . . 11
Proper Sizing of Gas Line . . . . . . . . . . . . . . 11
Step 3. Install the Vent System . . . . . . . . 12
Vertical Termination Systems . . . . . . . . . . . 13
Vent Section Length Chart . . . . . . . . . . . . . 13
Vertical Vent Tables and Figures . . . . . . . . . 16
Horizontal Termination System . . . . . . . . . 17
Horizontal Vent Tables and Figures . . . . . . 19
Step 4. Field Wiring . . . . . . . . . . . . . . . . . 21
Frame Assembly . . . . . . . . . . . . . . . . . . 23
Step 6. Connecting Gas Line . . . . . . . . . . 23
Operation . . . . . . . . . . . . . . . . . . . . . . . . 23
Step 8. Installing Logs and Panels . . . . . . 24
Step 9. Installing Glass Door . . . . . . . . . . 26
Step 10. Burner Adjustments . . . . . . . . . . . 26
Finishing Requirements . . . . . . . . . . . . . . . 28
Operation Warnings . . . . . . . . . . . . . . . . 29
Installation Accessories . . . . . . . . . . . . . . . 30
Gas Conversion Kits . . . . . . . . . . . . . . . . . . 31
Please read and understand these
instructions before beginning your
installation.
2
DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS
®
PACKAGING
The assembled fireplace is packaged with the
following:
• Literature Kit (plastic bag shipped inside
firebox), containing Care and Operation
Instructions, Installation Instructions (this
manual), Safety-in-Operation Warning
Labels, and Warranty.
• One (1) bag Glowing Embers
• One (1) bag Platinum Embers
• One (1) bag Volcanic Stone
• Pull Screen Kit
• Remote Control and Wall Receiver
Switch Kit
• Door Modesty Shield
• Log Grate
Note: For use with fireplace as shipped
from factory only. Not for use with
Contemporary Burner/Floor Kit.
REQUIRED ACCESSORIES
The following accessories are required:
• One of the following Firebox Liner Kits:
a. Ceramic Liner Kit-Buff Rustic
b. Ceramic Liner Kit-Red Rustic
c. Porcelain Liner Kit-Black
d. Ceramic Liner Kit-Red Herringbone
e. Ceramic Liner Kit-Buff Herringbone
NOTE: Porcelain kits include side and back
panels. Optional for use with log sets.
Required when using the contemporary
burner/floor kit.
• One of the following Floor Options:
a. Oak Log Set
(For use with fireplace as
shipped from factory only. Not for use with
contemporary burner/floor kit.)
b. Contemporary Burner/Floor Kit
Contemporary Burner/Floor Kit requires
one of the following Media Kits:
i. Crushed Glass-Reflective Black
ii. Crushed Glass-Platinum
iii. Crushed Glass-Reflective Blue
iv. Crushed Glass-Goldfinger
v. Crushed Glass-Copper
Note: The Contemporary Burner/Floor Kit
installation and operation instructions are
provided with the kit, and are not detailed
in this manual.
INTRODUCTION
The Montebello
DLX direct-vent, sealed-
®
combustion gas fireplaces operate on natural
or propane gas. These appliances feature a
remotely controlled electronic intermittent
pilot ignition system (manual adjustment of
the gas valve settings is not possible).
The Montebello DLX is a decorative fireplace
and may not be installed and operated as the
primary heat source in a dwelling.
Electrical power (120 Vac line voltage) is
recommended to operate the fireplace;
however, four (4) "AA" batteries can be used
for full-time operation or as a backup in case
of a power outage.
Approved Vent Components
These fireplaces are designed, tested, and
listed for operation and installation with
Secure Vent
direct vent system components
®
(8 in. inner, 11 in. outer) manufactured by
Security Chimneys International.
These approved vent system components
are labeled for identification. USE ONLY
APPROVED VENT COMPONENTS. Do
NOT use any other manufacturer's vent
components with these appliances.
Codes and Standards
These appliances comply with National
Safety Standards and are tested and listed by
Intertek (Report No. 100513650) to Z21.50
(in Canada, CSA-2.22), and CAN/CGA-
2.17-M91 in both USA and Canada, as vented
gas fireplaces.
These appliances are listed by Intertek
for installation in bedrooms and mobile
homes.
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/CSA-B149.1 installation code).
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 (latest edition) or the Canadian Electrical
Code, CSA C22.1 (latest edition).
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