Lennox Hearth MLDVT-40PM ユーザーズマニュアル

LENNOX HEARTH PRODUCTS • MERIT

SERIES DIRECT-VENT GAS FIREPLACES • MODELS MLDVT-30/35/40/45 • INSTALLATION INSTRUCTIONS

TABLE OF CONTENTS

Packaging .........................................Page  2
Introduction ......................................Page  2
General Information ..........................Page  2
Requirements for the
Commonwealth of Massachusetts .Page  4
New York City Approval .....................Page  4
Cold Climate Insulation .....................Page  5
Manufactured Home Requirements ..Page  5
Location ............................................Page  5
Vent Termination Clearances  ............Page  6
Appliance and Vent Clearances .........Page  8
Pre-Installation Steps ........................Page  9
Typical Installation Sequence  ...........Page  9
Detailed Installation Steps .................Page  9
Step 1. Framing .................................Page  9
Fireplace/Framing Specifications .......Page  10
Step 2. Routing Gas Line ..................Page  11
Step 3. Install the Venting System ....Page  12
Vertical Termination Systems ............Page  13
Vent Section Length Chart ................Page  13
Vertical Vent Tables and Figures ........Page  16
Horizontal Termination System .........Page  17
Horizontal Vent Tables and Figures ...Page  20
Venting Using Flexible Vent Pipe .......Page  23
Step 4.  Field Wiring .........................Page  24
Step 5.  Optional Blower Kit Wiring ..Page  25
Step 6.  Connecting Gas Line ...........Page  26
Step 7.  Verifying Appliance Operation Page  27
Step 8.  Installing Logs  ...................Page  28
Step 9.  Installing Glass Door  ..........Page  31
Step 10. Burner Adjustments ............Page  31
Step 11. Hood Installation .................Page  33
Finishing Requirements ....................Page  33
Step 12. Attaching Safety-in-
    Operation Warnings .......................Page  34
Installation Accessories ....................Page  35
Gas Conversion Kits .........................Page  37

Please read and understand these

instructions before beginning your

installation.

PACKAGING

The assembled vented gas fireplace heater is

packaged with:
• One log set located in firebox area.
• One envelope containing the literature pack-

age which consists of the care and operations

manual, installation instructions, safety in

operation warning labels and warranty; en-

velope is located in the control compartment.

• One vent restrictor to be applied as shown on

Page 12 ; restrictor is taped to the envelope.

• One hood located behind the door assembly.
• One bag of decorative volcanic stone located

in the control compartment.

• One bag of glowing embers located in the

control compartment.

INTRODUCTION

The Millivolt appliances have a millivolt gas

control valve with piezo ignition system. If any

optional accessories that will require electrical

power are to be installed, the electrical power

must be provided at the time of appliance in-

stallation.

The Electronic appliances have an electronic

intermittent pilot ignition system. External

electrical power is required to operate these

units. The battery back-up can be used in case

of a power outage.

These vented gas fireplace heaters are sealed

combustion, air-circulating gas fireplaces de-

signed for residential applications.

Use Only These Approved Vent Components
These fireplaces are designed, tested and

listed for operation and installation with, the

following (4-1/2" inner and 7-1/2" outer) vent

components only:

•

Secure Vent™ Direct-Vent System Compo-

nents manufactured by Security Chimneys

International,

•

Secure Flex™ Flexible Vent Components

manufactured by Security Chimneys Inter-

national and

•

Z-FLEX™ Model GA Venting Systems listed

to UL1777 and ULCS635 manufactured by

Flexmaster Canada Limited.

These approved vent system components are

labeled for identification. DO NOT use any

other manufacturer’s vent components with

these appliances.

Children and adults should be alerted to the

hazards of high surface temperature and

should stay away to avoid burns or clothing

ignition.

Les enfants et les adultes devraient être

infor-més des dangers que posent les

températures de surface élevées et se

tenir à distance afin d’éviter des brûlures

ou que leurs vêtements ne s’enflamment.

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

Young children should be care-

fully supervised when they are

in the same room as the appli-

ance. Toddlers, young children

and others may be susceptible

to accidental contact burns. A

physical barrier is recommended

if there are at risk individuals in

the house. To restrict access to

a fireplace or stove, install an

adjustable safety gate to keep

toddlers, young children and

other at risk individuals out of

the room and away from hot

surfaces.

AVERTISSEMENT

Les jeunes enfants devraient être

surveillés étroitement lorsqu’ils

se trouvent dans la même pièce

que l’appareil. Les tout petits,

les jeunes enfants ou les adultes

peuvent subir des brûlures s’ils

viennent en contact avec la sur-

face chaude. Il est recommandé

d’installer une barrière physique

si des personnes à risques habi-

tent la maison. Pour empêcher

l’accès à un foyer ou à un poêle,

installez une barrière de sécu-

rité; cette mesure empêchera les

tout petits, les jeunes enfants et

toute autre personne à risque

d’avoir accès à la pièce et aux

surfaces chaudes.

GENERAL INFORMATION