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Heatilator NA36 Installation & Operating Instructions Manual

woodburning fireplace

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INSTALLATION & OPERATING

INSTRUCTIONS

NA36 NA42

WOODBURNING FIREPLACE

WARNING!

Improper installation, adjustment, alteration, service or maintenance can cause injury or property

damage. Refer to this manual. For assistance or additional information, consult a qualified installer,

service agency or the gas supplier.

07/03

17789 Rev H

1

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Summary of Contents for Heatilator NA36

Page 1: Woodburning Fireplace
INSTALLATION & OPERATING INSTRUCTIONS NA36 NA42 WOODBURNING FIREPLACE WARNING! Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual. For assistance or additional information, consult a qualified installer, service agency or the gas supplier.
Page 2: Table Of Contents
NA SERIES INSTALLATION INSTRUCTIONS TABLE OF CONTENTS Design and Installation Considerations ......................3 A. Listings and Code Approvals .......................... 4 B. Description of the Fireplace System ....................... 4 C. Fireplace System Components ........................5 D. Pre-Installation Preparation .......................... 10 E. Chimney Requirements ..........................12 Installation of Fireplace ..........................
Page 3: Design And Installation Considerations
NA SERIES INSTALLATION INSTRUCTIONS DESIGN AND INSTALLATION CONSIDERATIONS When selecting a location for your woodburning fireplace, it is important to evaluate a number of considerations. Modern construction techniques can create conditions that may not allow your chimney to draft properly. This may result in smoke spillage from your fireplace, as well as cause other combustion appliances to operate incorrectly.
Page 4: Listings And Code Approvals
5. These optional components may be purchased separately and installed at Heatilator® is a registered trademark of Hearth & Home a later date. However, installation of an outside air kit will Technologies Inc., Division, HON INDUSTRIES.
Page 5: Fireplace System Components
NA SERIES INSTALLATION INSTRUCTIONS C. SYSTEM COMPONENTS 1. Fireplace Components e l l i t i HEARTH EXTENSION GLASS DOORS " 2 " 6 " 6 " 0 INTEGRAL GRATE JUNCTION BOX FAN KIT 07/03 17789 Rev H...
Page 6 NA SERIES INSTALLATION INSTRUCTIONS OUTSIDE AIR KIT 17789 Rev H 07/03...
Page 7: Chimney Components
NA SERIES INSTALLATION INSTRUCTIONS 2. Chimney Components The following pictures show only those chimney components which may be safely used with this fireplace. " 6 " 2 " 8 " 4 " 6 " 8 z i l s f f °...
Page 8 NA SERIES INSTALLATION INSTRUCTIONS " 6 ¾ " " 2 ¾ " " 2 ¾ " " 8 ¾ " " 4 ¾ " " 6 ¾ " " 6 ¾ " " 8 ¾ " " 8 ¾ " i t c °...
Page 9 NA SERIES INSTALLATION INSTRUCTIONS 07/03 17789 Rev H...
Page 10: Pre-Installation Preparation
NA SERIES INSTALLATION INSTRUCTIONS D. PRE-INSTALLATION PREPARATION 1. Fireplace Locations and Space Requirements Several options are available to you when choosing a location for your fireplace. This fireplace may be used as a room divider, installed along a wall, across a corner or used in an exterior chase. See Figure 2. Locating the fireplace in a basement, near frequently opened doors, central heat outlets or returns, or other locations of considerable air movement can affect the performance and cause intermittent smoke spillage from the front of the fireplace.
Page 11 NA SERIES INSTALLATION INSTRUCTIONS 2. Framing the Fireplace The NA Series fireplaces will fit a framed opening with the width shown in the Table below x 40¼” tall. The finished cavity depth must be no less than 23½” Figure 5 shows a typical framing (using 2 x 4 lumber) of the fireplace, assuming combustible materials are used. All required clearances to combustibles around the fireplace must be adhered to.
Page 12: Chimney Requirements
NA SERIES INSTALLATION INSTRUCTIONS 3. Sidewalls/Surrounds Adjacent combustible side walls must be located a minimum of 12” from the fireplace opening. See Figure 6. If you are using a decorative surround constructed of combustible material, it must be located within the shaded area defined in Figure 6.
Page 13 NA SERIES INSTALLATION INSTRUCTIONS 1. Using Offsets and Returns To bypass any overhead obstructions, the chimney may be offset using a 15° or 30° offset/return. Perform the following steps to determine the correct chimney component combination for your particular installation. An offset and return may be attached together or a chimney section(s) may be used between an offset and return.
Page 14 NA SERIES INSTALLATION INSTRUCTIONS 2. Chimney Height Requirements (above roof line) Major building codes specify a minimum chimney height above the roof top. These specifications are summarized in what is known as the Ten Foot Rule. This rule states: “If the horizontal distance from the side of the chimney to the peak of the roof is ten feet or less, the top of the chimney must be at least two feet above the peak of the roof, but never less than...
Page 15: Installation Of Fireplace
NA SERIES INSTALLATION INSTRUCTIONS F. INSTALLATION OF FIREPLACE WARNING! 1. Positioning the Fireplace This fireplace may be placed on either a combustible or noncombustible continuous flat surface. Follow the instructions for framing on pages 10-12. Slide the fireplace into position. 2.
Page 16 NA SERIES INSTALLATION INSTRUCTIONS 4. Assembling Chimney Sections Attach either a straight chimney section or an offset to the top of the fireplace (depending on your installation requirement). Chimney sections are locked together by pushing downward until the top section meets the stop bead on the lower section.
Page 17 NA SERIES INSTALLATION INSTRUCTIONS 6. Attic Insulation Shield 8. Securing the Chimney System An insulation shield should be installed when there is When offsets and returns are joined to straight pipe a possibility of insulation coming into contact with the sections, they must be locked into position with the factory built chimney system.
Page 18 (ST375/TS345/TS345P). A chase installation must use a chase top. Chase tops are available from your Heatilator distributor. See page 22 for building a chase. 13. Installing the Outside Air Kit The outside air kit is supplied as an optional feature...
Page 19 NA SERIES INSTALLATION INSTRUCTIONS The side refractories are designed to allow ½” iron pipe WARNING! to pass through. Use a noncombustible sealant to seal any opening between the gas pipe and refractory on the inside. Repack the insulation removed to seal around the gas pipe where it exits the side of the fireplace.
Page 20 NA SERIES INSTALLATION INSTRUCTIONS 18. Hearth Extension A hearth extension must be installed with all fireplaces to protect the combustible floor in front of the fireplace from both radiant heat and sparks. The construction of, and materials used for a hearth extension are shown in Figures 17 and 18. A hearth extension of this construction may be covered with any noncombustible decorative material and may have a maximum thickness as per the illustration.
Page 21 NA SERIES INSTALLATION INSTRUCTIONS 19. Position the Hearth Extension 20. Finishing Material Position and secure the hearth extension over the protective metal strips that have been placed partially under the fireplace front. These strips should be You may only use noncombustible protruding approximately 2”...
Page 22: Constructing A Chase
NA SERIES INSTALLATION INSTRUCTIONS G. CONSTRUCTING A CHASE 1. Materials A chase is a vertical boxlike enclosure built around the chimney and fireplace. A chase may be constructed for the The chase is constructed using framing materials fireplace and chimney or for the chimney only. It is most much the same as the walls in your home.
Page 23 NA SERIES INSTALLATION INSTRUCTIONS 2. Chase Top Construct a chase of desired materials maintaining a minimum 2” air space around the chimney. 3. Termination Cap Install the chimney sections up through the chase enclosure. When using a TR344/NATR344 round termination cap, the uppermost top section of pipe must extend 6”...
Page 24 NA SERIES INSTALLATION INSTRUCTIONS For installations utilizing an ST375 square termination cap the last chimney section must not be more than 4½” below the chase top. See Figure 24. For installation utilizing a TS345/TS345P Square Termination Cap, the uppermost chimney section must not be more than 3”...
Page 25: Operating Instructions
NA SERIES INSTALLATION INSTRUCTIONS H. OPERATING INSTRUCTIONS Note: Save and pass this instruction manual to subsequent home owners. The informa- tion provided is intended to notify and warn them about making unsafe future modifications such as the addition of shelves or the use of unauthorized parts and repairs. 1.
Page 26 NA SERIES INSTALLATION INSTRUCTIONS 4. Glass Doors 7. Wood Fuel Most efficient fireplace operation using glass doors is : Your fireplace performance depends on with the doors open. When the doors are open, the the quality of the firewood you use. All seasoned wood, screen must be closed.
Page 27 NA SERIES INSTALLATION INSTRUCTIONS Seasoned firewood is nothing more than Note: The first three or four fires should be of mod- wood that is cut to size, split and air dried to a moisture erate size to allow the oils and binders to be burned content of around 20%.
Page 28 NA SERIES INSTALLATION INSTRUCTIONS Flue draft is measured as negative pressure in the If the fire is hard to start and smoke spills out of the chimney. The amount of negative pressure determines fireplace, or you find it difficult to establish and maintain how strong the draft is.
Page 29: Maintenance Instructions
NA SERIES INSTALLATION INSTRUCTIONS I. MAINTENANCE INSTRUCTIONS 1. Disposal of Ashes WARNING! Ashes should be placed in a metal container with a tight-fitting lid. The closed container of ashes should be placed on a noncombustible floor or on the ground, well away from all combustible materials, pending final disposal.
Page 30 NA SERIES INSTALLATION INSTRUCTIONS HOMEOWNER’S NOTES 17789 Rev H 07/03...
Page 31: Index
NA SERIES INSTALLATION INSTRUCTIONS INDEX Air Clearance 17, 19 Fan Kit 5, 18 Offsets/Returns 8, 13 Air Kit 18 Finishing 21 Outside Air 25 Air Kit Handle Location 18 Fireplace Outside Air Kit 18 Ashes, Disposal of 29 Enclosure 19 Overhead Obstructions 13 Attic Insulation Shield 17 Locations 10...
Page 32: Warranty
Obtain HHT’s consent to any warranty work before the work is done. ADDITIONAL INFORMATION: If you would like information on current HEATILATOR products or want to locate a dealer in your area, call 1-800-843-2848. ã2003 Heatilator is a Registered Trademark of Hearth & Home Technologies Inc.

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