Lennox Hearth CR-3835R Typical Installation, INTRODUCTION General Information, Chimney System

The most important areas of concern dealing with the installation of factory-built fireplaces are clearances to combustible materials, proper as- sembly of component parts, height of the chim- ney system, the proper use of accessories sup- plied by the manufacturer and the techniques employed in using finishing materials applied to the wall surrounding the fireplace, hearth exten- sions and wall shields. Each of these topics will be covered in thorough detail throughout this manual. Please give each your special attention as you progress with your installation.

INTRODUCTION

General Information

These fireplaces are conventional radiant heat fireplaces with standard bar grates, optional outside combustion air kits and optional deco- rative glass doors.

These fireplaces have been tested and listed by Omni Test Labs (Report No.116-F-20-4) to U.L. standard 127. These units are intended for installation in residential homes and other buildings of conventional construction includ- ing commercial, not in mobile homes.

Note: Illustrations shown reflect “typical” installations with nominal dimensions and are for design and framing reference only. Actual installations may vary due to indi- vidual design preferences. However, always maintain minimum clearances to combus- tible materials and do not violate any specific installation requirements.

These fireplace systems are designed for in- stallation in accordance with the National Fire Protection Standard for chimneys, fireplaces and solid fuel burning appliances; NFPA 211 and in accordance with codes such as the BOCA Basic/National Codes, the Standard Me- chanical Code and the Uniform Building Codes.

WARNING: FAILURE TO USE MANUFAC- TURE PROVIDED PARTS, VARIATIONS IN TECHNIQUES AND CONSTRUCTION MATERIALS OR PRACTICES OTHER THAN THOSE DESCRIBED IN THIS MANUAL MAY CREATE A FIRE HAZARD AND VOID THE LIMITED WARRANTY.

When complete these fireplace systems con- sists of five basic “sub-systems”:

1.The Fireplace

2.The Chimney and Termination

3.The Optional Glass Doors

4.The Optional Combustion Air Kits

5.The Chimney Collar Enclosure Kit (Canada Only) or Collar Duct Kit (U.S)

CHIMNEY CLEARANCES AND MANTEL HEIGHT REQUIREMENTS

The fireplace may be placed on or near normal construction materials*. The combustion air kit, firestop spacer and roof flashings (not chase flashings) may be placed directly on or against normal construction materials*. The chimney requires a minimum 2" (51 mm) air space to combustibles (See **Note). A com- bustible mantle may be installed 12" (305 mm) above the opening of the fireplace as per NFPA 211, Section 7-3.3.3. In Canada the minimum is 18" (457 mm) above the opening.

The fireplace and chimney system must be enclosed when installed in or passing through a living area where combustibles or people may

TYPICAL INSTALLATION

Chimney

And

Termination

CCEK

W.H.I. Approved

(Required In

Canada)

Outside Combustion Air Kit (Optional)

Figure 1

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

come in contact with it. This is important to prevent possible personal injury or fire hazard.

For questions, please call your distributor or the manufacturer. Special restrictions apply to the front and facing of the fireplace and nearby walls (See pages 16, 17 and 18 ).

CHIMNEY SYSTEM

These fireplaces are designed and code listed for use with Security's FTF8 and FTF10 chim- ney System only. Always use Security's FTF8 and FTF10 chimney components with these fireplaces. Do not modify or alter these com- ponents as this may cause a potential serious hazard and void the Warranty.

*Construction Materials:
• framing materials	• paneling
• particle board	• flooring
• dry wall	• etc.

•plywood

**Note: 1" (25 mm) when installed with FTF10 in the U.S. only.

3