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INSTALLATION & OPERATING
INSTRUCTIONS
HST38, HST-38ND
WOODBURNING FIREPLACE
Note:
An arrow ( ) found in the text signifies change in content.
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.
08/04
27847 Rev H
1
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Table of Contents
Related Manuals for Heat-N-Glo HST38
Summary of Contents for Heat-N-Glo HST38
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Page 1: Woodburning Fireplace
INSTALLATION & OPERATING INSTRUCTIONS HST38, HST-38ND WOODBURNING FIREPLACE Note: An arrow ( ) found in the text signifies change in content. 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
HST-38 SERIES INSTALLATION INSTRUCTIONS TABLE OF CONTENTS Design and Installation Considerations ......................... 3 Listings and Code Approvals ............................4 Description of the Fireplace System ..........................4 C. System Components ..............................5 D. Pre-Installation Preparation ............................10 Chimney Requirements ............................... 12 Installation of Fireplace .............................. -
Page 3: Design And Installation Considerations
HST-38 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
1-888-427-3973. optional components listed on page 5. These optional components may be purchased separately and installed at Heat-N-Glo® is a registered trademark of Hearth & Home a later date. However, installation of an outside air kit will Technologies Inc. require significant reconstruction and should be installed at the time of the initial fireplace installation. -
Page 5: System Components
HST-38 SERIES INSTALLATION INSTRUCTIONS C. SYSTEM COMPONENTS 1. Fireplace Components Catalog # Description: HST-38 Fireplace with Integral Grate, Outside Air Kit and Hearth Protection Strips AK-225 Outside Air Kit (included with Fireplace) GDA-175BK Cabinet Style Glass Doors - Black Finish GDA-175PB Cabinet Style Glass Doors - Polished Brass Finish Hearth Extension... - Page 6 HST-38 SERIES INSTALLATION INSTRUCTIONS Fireplace Dimensions AK-225 - Outside Air Kit 27847 Rev H 08/04...
- Page 7 HST-38 SERIES INSTALLATION INSTRUCTIONS 2. Chimney Components The following pictures show only those chimney components which may be safely used with this fireplace. Catalog # Description: CAK4A Chimney Air Kit Insulated Duct/Outside Air Uninsulated Duct/Outside Air SL306 Chimney Section - 6 in. long SL312 Chimney Section - 12 in.
- Page 8 HST-38 SERIES INSTALLATION INSTRUCTIONS Chimney Sections Catalog # SL306 6 in. 4-3/4 in. Offset/Return SL3 - Chimney Stabilizer SL312 12 in. 10-3/4 in. SL318 18 in. 16-3/4 in. SL324 24 in. 22-3/4 in. SL336 36 in. 34-3/4 in. SL348 48 in. 46-3/4 in.
- Page 9 HST-38 SERIES INSTALLATION INSTRUCTIONS ST375 Square Termination Cap LDS33 (3 ft x 3 ft) LDS46 (4 ft x 6 ft ) Decorative Shroud TS345/TS345P Square Termination Cap TR344 Round Termina- tion Cap TR342 Round Telescoping Termination Cap TCT375 Terra Cotta Cap CT35 Chase Top CAK4A...
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Page 10: Pre-Installation Preparation
HST-38 SERIES INSTALLATION INSTRUCTIONS D. PRE-INSTALLATION PREPARATION 1. Fireplace Locations and Space Requirements It is important to note that certain see-through fireplace installations are more susceptible to smoke spillage than others. Rooms of greatly unequal air volumes that are separated by a see-through fireplace, rooms with cathedral ceilings and rooms connected by long passageways will create conditions where unequal air pressures will cause a see-through fireplace to vent improperly. - Page 11 HST-38 SERIES INSTALLATION INSTRUCTIONS 2. Frame the Fireplace This fireplace will fit a framed opening of 38-3/4 in. wide x 38-1/2 in. tall. The finished cavity depth must be no less than 21-1/4 in. Figure 3 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.
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Page 12: Chimney Requirements
HST-38 SERIES INSTALLATION INSTRUCTIONS 3. Sidewalls/Surrounds Adjacent combustible side walls must be located a minimum of 12 in. from the fireplace openings. See Figure 4. If you are using a decorative surround constructed of combustible material, it must be located within the shaded area defined in Figure 4. - Page 13 HST-38 SERIES INSTALLATION INSTRUCTIONS 1. Using Offsets and Returns To bypass any overhead obstructions, the chimney may be offset using a 15-deg offset/return or a 30-deg offset/return. Perform the following steps to determine the correct chimney component combination for your particular installation.
- Page 14 HST-38 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 10 ft or less, the top of the chimney must be at least 2 ft above the peak of the roof, but never less than 3 ft in overall...
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Page 15: Installation Of Fireplace
HST-38 SERIES INSTALLATION INSTRUCTIONS F. INSTALLATION OF FIREPLACE WARNING! Before starting, do the following: 1. Wear gloves and safety glasses for protection. 2. Keep hand tools in good condition. Sharpen cutting edges and make sure tool handles are secure. 3. Always maintain the minimum air space required to the enclosure to prevent fire. 1. - Page 16 HST-38 SERIES INSTALLATION INSTRUCTIONS 4. Assemble 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 HST-38 SERIES INSTALLATION INSTRUCTIONS 6. Attic Insulation Shield 8. Secure the Chimney System An insulation shield should be installed when there When offsets and returns are joined to straight pipe is a possibility of insulation coming into contact with sections, they must be locked into position with the the factory built chimney system.
- Page 18 (TR342) or a square termination cap (ST375, TS345, TS345P). A chase installation must use a chase top. Chase tops are available from your Heat-N-Glo distributor. Refer to page 23 for information on building a chase. 13. Install the Chimney Air Kit (Required in...
- Page 19 HST-38 SERIES INSTALLATION INSTRUCTIONS 14. Install the Outside Air Kit This fireplace is equipped to accept outside combustion air if desired or required by local code. It is recommended that the outside air system be used whenever practical. The AK-225 Outside Air Kit consists of one house vent, two plastic ties and one starting collar.
- Page 20 HST-38 SERIES INSTALLATION INSTRUCTIONS 16. Complete the Enclosure Complete the fireplace enclosure, allowing space for outside air ducts and gas piping if desired. Electrical wiring should not come in contact with the fireplace. A minimum clearance of 1/2 in. must be maintained between the fireplace sides and the enclosure.
- Page 21 HST-38 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 17-18. 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 22 HST-38 SERIES INSTALLATION INSTRUCTIONS 19. Position the Hearth Extension 20. Finishing Material Position and secure the hearth extension over the Do not install combustible materials over the black protective metal strips that have been placed partially face of the fireplace! This poses a safety hazard under the fireplace front.
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Page 23: Constructing A Chase
HST-38 SERIES INSTALLATION INSTRUCTIONS G. CONSTRUCTING A CHASE A chase is a vertical boxlike enclosure built around the 1. Materials chimney and fireplace. A chase may be constructed for The chase is constructed using framing materials the fireplace and chimney or for the chimney only. It is most much the same as the walls in your home. - Page 24 HST-38 SERIES INSTALLATION INSTRUCTIONS 2. Chase Top Construct a chase of desired materials maintaining a minimum 2 in. air space around the chimney. 3. Termination Cap Install the chimney sections up through the chase enclosure. When using a TR344 round termination cap, the uppermost top section of pipe must extend 6 in.
- Page 25 HST-38 SERIES INSTALLATION INSTRUCTIONS For installations utilizing an ST375 square termination cap the last chimney section must not be more than 4-1/2 in. 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 in.
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Page 26: Operating Instructions
HST-38 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 modifica- tions such as the addition of shelves or the use of unauthorized parts and repairs. 1. - Page 27 HST-38 SERIES INSTALLATION INSTRUCTIONS 4. Glass Doors 7. Wood Fuel Most efficient fireplace operation using glass doors is FIREWOOD: 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 28 HST-38 SERIES INSTALLATION INSTRUCTIONS SEASONING: 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 29 HST-38 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.
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Page 30: Maintenance Instructions
HST-38 SERIES INSTALLATION INSTRUCTIONS I. MAINTENANCE INSTRUCTIONS 1. Disposal of Ashes Ashes should be placed in a metal container with a WARNING! tight-fitting lid. The closed container of ashes should A chimney fire can permanently damage your be placed on a noncombustible floor or on the ground, chimney system. -
Page 31: Index
HST-38 SERIES INSTALLATION INSTRUCTIONS INDEX Air Clearance 17, 20 Electric Codes 19 Offsets/Returns 13 Air Kit Handle Location 18 Exhaust Products 10 Outside Air 26 Attic Insulation Shield 8, 17 Outside Air Kit 6, 19 Overhead Obstructions 13 Finishing 22 Building Codes 4, 18, 22 Fireplace Enclosure 20... -
Page 32: Warranty
Chimney components and Glass Doors. If Heat-N-Glo is satisfied that any part or portion of the fireplace covered by this warranty is defective in material or workmanship under normal use and service as described in the operating instructions, Heat-N-Glo will take the following actions: Within the first five (5) years from the date of installation, Heat-N-Glo shall, at its option, replace or repair any such defect in material or workmanship, at Heat-N-Glo’s expense.