Hearth and Home Technologies 42, 36 Outside Air, Clear Space Near the Fireplace, Flue Damper

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B. Outside Air

A source of air (oxygen) is required in order for combustion to take place. Whatever air is consumed by the fi re must be replaced through cracks around windows, under doors, etc. Most newly constructed houses or existing homes fi tted with tightly sealed doors and windows are relatively air tight. In this case, an outside air source must be made available to feed combustion air from outside the home.

An outside air control handle allows you control of the out- side air inlet if your fi replace is equipped with this option. Use of outside air for combustion is highly recommended to conserve heated air within the structure and to provide make up air to keep the fi replace venting properly.

This fi replace will operate correctly only if adequate ventila- tion is provided to allow proper draft to the fi replace sys- tem.

See Figure 9.1 for location and operation.

CAUTION

Outside air control handle is HOT. Adjust before lighting fi re.

C. Clear Space Near the Fireplace

Combustible materials must not be stored on the hearth ex- tension. Room furnishings such as drapes, curtains, chairs or other combustibles must be at least 4 ft (1.22 m) from the open front of the fi replace.

D. Flue Damper

The fl ue damper must be in full open position, and is oper- ated by moving the handle up toward the top of the fi replace. Before lighting the fi re, verify this by looking up from the in- side of the fi replace. Always operate this fi replace with the damper fully open. Please note: Down drafts, obstructions, damaged or poor (wet) fuels can cause smoke spillage.

See Figure 9.1 for location and operation.

WARNING

Asphyxiation Risk

Fire Risk

Open damper to operate fi replace.

Closed damper will over-fi re fi replace and prevent venting of combustion gases.

E. Firescreen

A fi rescreen is always provided to control sparks. It must be closed whenever the fi replace is in use. Glass doors or fi rescreens must not be used to hold burning material in- side the fi replace. Only those glass doors specifi cally tested and listed for use with the specifi c fi replace model should be used. Screens should be closed when the glass doors are closed.

WARNING

Fire Risk

Close fi rescreen when burning fi replace.

Do not use fi rescreen or glass doors to hold burning material in fi replace.

Firescreen controls sparks.

Glass may break or burning material may roll out.

F. Glass Doors

Most effi cient fi replace operation using glass doors is with the doors open. When the doors are open the screen must be closed. Only Hearth & Home Technologies glass doors may be used. See Figure 9.2 for proper glass door opera- tion.

FULLY OPEN

PARTLY OPEN

CORRECT

INCORRECT

FULLY CLOSED

PARTLY CLOSED

CORRECT

INCORRECT

Figure 9.2 Proper Operating Positions of Bi-fold Doors

WARNING

Fire Risk

Smoke Risk

Doors must be fully opened or fully closed when operating fi replace.

Partially opened doors may draw flame, smoke or heat from fi replace.

26 Outdoor Lifestyles by Hearth & Home Technologies Inc. • Montana US-CAN4039-156 Rev K 7/11

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Contents Hot glass will cause burns Fire RiskModel Listing Label Information/LocationSerial Number Grate Table of Contents Not intended for use as a primary heat source Listing and Code ApprovalsAppliance Certification Moisture Resistance Design and Installation ConsiderationsGetting Started Typical Fireplace SystemFire Risk Explosion Risk Tools and Supplies NeededInspect Fireplace and Components Selecting Fireplace Location Freestanding Installations see FigureFraming and Clearances Exterior Walls see FigureEnclosed Fireplace Clearances Clearances to Combustible MaterialsSidewalls/Surrounds Frame the FireplaceChimney Requirements Sharp Edges Asphyxiation Risk Installation of FireplaceInstall the Dual Cooling Air Kit Secure the Fireplace Position the FireplaceChimney Assembly Height of Chimney ComponentsUsing Offsets/Returns Chimney Offset/ReturnInstall the Ceiling Firestops Assemble the Chimney SectionsSecure the Chimney Install the Attic Insulation ShieldDouble-check the Chimney Assembly  in./19 mm in lengthComplete the Enclosure Chimney TerminationChase Top Mark the Exit Point of the RoofInstall the Termination Cap ST1175/ST475 Square Termination CapTCT1175 Terra Cotta Cap Gas Code, Ansi Z223.1 AccessoriesGas Log/Lighter Provisions Finishing Hearth ExtensionGlass Doors Finishing MaterialMantel Operating Instructions General InformationFlue Damper Outside AirClear Space Near the Fireplace FirescreenGrate Wood FuelStarting a Fire Troubleshooting Diagnostics and Problem SolvingDisposal of Ashes Maintenance and Servicing the FireplaceChimney Inspection/Cleaning Firebox RefractoryClean Maintenance Task ListWhen cleaning glass door Chimney FireFireplace Dimensions Reference MaterialsFireplace Components DescriptionChimney Components Catalog #Assembled Diameter 17 in./432 mm Height 24 in./610 mm 15-3/4 400 mm Woodburning Termination Cap 635 x 635 mm 584 x 584 mm 737 x 737 mmD. Service Parts MONTANA-36, MONTANA-36HService Parts MONTANA-42, MONTANA-42HThis page intentionally left blank This page intentionally left blank Warranty Coverage Limited Warranty This warranty is void ifRO N a CO ISD D