2

TABLE OF CONTENTS

 

 

Packaging

page

2

Introduction

page

2

General Information

page

2

Location

..........................................

page

4

Appliance and Vent Clearances

page

4

Vent Termination Clearances

page

5

Typical Installation Sequence

page

5

Detailed Installation Steps

page

6

Step 1.

Framing

page

6

Step 2. Routing Gas Line

page

6

Fireplace Specifications

page

9

Step 3. Install the Venting System . page

9

Requirements for Commonwealth

 

 

of Massachusetts

page

9

Vertical Termination Systems

page

11

Vent Section Length Chart

page

11

Vertical Vent Tables and Figures

page

11

Horizontal Termination System

page

16

Horizontal Vent Tables and Figures . page

18

Venting Using Flexible Vent Pipe

page

21

Step 4.

Field Wiring

page

22

Step 5. Optional Blower Kit Wiring

page

22

Step 6. Connecting Gas Line

page

23

Step 7.

Installing Logs

page

24

Step 8.

Checking Unit Operation

page

24

Step 9. Installing Glass Door

page

24

Step 10. Burner Adjustments

page

25

Step 11. Hood Installation

page

25

Finishing Requirements

page

25

Cold Climate Insulation

page

26

Installation Accessories

page

27

Gas Conversion Kits

page 29

This installation manual will help you obtain a safe, efficient, dependable installation for your appliance and vent system.

Please read and understand these instructions before beginning your installation.

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

PACKAGING

The assembled vented gas fireplace heater is packaged with:

1 - one log set located in firebox area.

2 - one envelope containing the literature package which consists of the homeowner's manual, installation instructions, log set supple- ment and warranty; envelope is located in the control area.

3 - one vent restrictor to be applied as shown on page 10; restrictor is taped to the envelope.

4 - one hood located behind the top panel.

5 - one bag of decorative volcanic stone located in the control area.

6 - one bag of glowing embers located in the control area.

7 - one bag of vermiculite located in control area.

INTRODUCTION

These fireplaces are designed, tested and listed for operation and installation with, and only with, Secure Vent™ Direct Vent System Components, Secure Flex™ Flexible Vent Components manu- factured by Security Chimneys International and Z-Flex Model GA Venting Systems, listed to UL1777 and ULCS635 manufactured by Flex- master Canada Limited. These approved vent system components are labeled for identifica- tion. DO NOT use any other manufacturer's vent components with these appliances.

Millivolt appliances are designed to operate on natural or propane gas. A millivolt gas control valve with piezo ignition system provides safe, efficient operation. External electrical power is required to operate the optional blower if in- stalled in these units.

Electronic appliances are designed to operate on natural or propane gas. An electronic inter- mittent pilot ignition system provides safe, efficient operation. External electrical power is required to operate these units.

These appliances comply with National Safety Standards and are tested and listed by Omni- Test Laboratories (Report No. 116-F-13-4) to ANSI Z21.88 (in Canada, CSA-2.33), and CAN/ CGA-2.17-M91 in both USA and Canada, as vented gas fireplace heaters.

Both millivolt and electronic versions of these appliances are listed by Omni-Test Laboratories for installation in bedrooms and mobile homes.

Installation must conform to local codes. In the absence of local codes, installation must com- ply 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 Electrical Code ANSI/ NFPA 70 - (latest edition). (In Canada, the current CSA C22-1 Canadian Electrical Code.)

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.

GENERAL INFORMATION

Note: Installation and repair should be per- formed by a qualified service person. The appli- ance should be inspected annually by a quali- fied professional service technician. More fre- quent inspections and cleanings may be re- quired 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 instruc- tions 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.

These appliances are designed to operate on natural or propane gas only.

TYPICAL INSTALLATION

Figure 1

Millivolt Models -

Millivolt models come standard with the manu- ally-modulated gas valve; flame appearance and heat output can be controlled at the gas valve.

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Lennox Hearth MPD-35 Series, MPD-45 Series, MPD-40 Series, MPD-33 Series installation instructions Table of Contents

MPD-35 Series, MPD-45 Series, MPD-33 Series, MPD-40 Series specifications

The Lennox Hearth MPD-33, MPD-40, MPD-45, and MPD-35 Series are sophisticated and innovative products designed for both aesthetic appeal and functional heating efficiency. These multi-sided gas fireplaces are engineered to bring warmth and style to any space, making them a popular choice for homeowners looking to enhance their living environment.

One of the standout features of the MPD Series is their versatile design. Each model is available in different sizes with stylish options, catering to various room dimensions and decor styles. The MPD-33, MPD-40, and MPD-45 models provide flexibility in installation, while the MPD-35 offers extra depth for a more pronounced fire presence, making them suitable for both contemporary and traditional interiors.

A key characteristic of the Lennox Hearth MPD Series is its high-efficiency operation. These fireplaces are designed to maximize heat output while minimizing fuel consumption, resulting in lower energy bills. The innovative burner system produces a realistic flame effect that can be adjusted to create the perfect ambiance for any occasion. The use of advanced technology ensures that the heat generated is evenly distributed, enhancing overall comfort.

Safety is paramount in the design of the MPD Series. Each model is equipped with a state-of-the-art safety shut-off system that activates if the flame goes out, ensuring peace of mind for users. Additionally, the glass front not only provides a clear view of the flames but is designed to stay cool to the touch, making it safe for families with children and pets.

The efficiency of these models is further complemented by an optional remote control feature, allowing users to adjust the flame height and thermostat settings with ease. The MPD Series is also compatible with smart home systems, providing users with added convenience.

Overall, the Lennox Hearth MPD-33, MPD-40, MPD-45, and MPD-35 Series exemplify the perfect combination of efficiency, safety, and design. Their ability to blend function with visual appeal makes them an ideal choice for creating a cozy atmosphere in any room, from living areas to bedrooms. These fireplaces stand as a testament to Lennox's commitment to quality and innovation in home heating solutions. With advanced technologies and a focus on user comfort, the MPD Series is designed to meet the needs of modern homeowners seeking reliable and stylish heating options.