Heart & Home Collectables MHC36 Installation & Operating Instructions Manual

Woodburning fireplace for manufactured housing

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INSTALLATION & OPERATING

INSTRUCTIONS

MHC36 MHR36

WOODBURNING FIREPLACE

FOR MANUFACTURED HOUSING

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

31072 Rev G

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Summary of Contents for Heart & Home Collectables MHC36

Page 1: Woodburning Fireplace
INSTALLATION & OPERATING INSTRUCTIONS MHC36 MHR36 WOODBURNING FIREPLACE FOR MANUFACTURED HOUSING 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.
Page 2: Table Of Contents
MHC36 AND MHR36 INSTALLATION INSTRUCTIONS TABLE OF CONTENTS Safety Precautions ............................2 Design and Installation Considerations ......................3 A. Listings and Code Approvals ........................4 B. Description of the Fireplace System ......................4 C. System Components ............................ 5 D. Pre-Installation Preparation .......................... 8 E.
Page 3: Design And Installation Considerations
MHC36 AND MHR36 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
MHC36 AND MHR36 INSTALLATION INSTRUCTIONS A. LISTINGS AND CODE APPROVALS This fireplace system has been tested and listed in Check with your local building code agency prior to installing accordance with UL 127 standards, and has been listed by this fireplace to ensure compliance with local codes, Underwriters Laboratories Inc.
Page 5: System Components
FK22* Fan Kit (MHC36 only) JK9* Junction Box (MHC36 only) BC10 Fan Motor Rheostat Control (MHC36 only) Hearth Extension GR16 Integral Grate (included with fireplace) Outside Air Kit (included with fireplace) *The junction box and fan kit should be installed at the time of initial fireplace installation.
Page 6 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS Fireplace Dimensions 2. Chimney Components The following pictures show only those chimney components which may be safely used with this fireplace. Catalog # Description: SL306 Chimney Section - 6 in. long SL312 Chimney Section - 12 in. long SL318 Chimney Section - 18 in.
Page 7 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS MH841 Chimney Sections Catalog # SL306 6 in. 4-3/4 in. SL312 12 in. 10-3/4 in. MH842-Roof Thimble & Flashing SL318 18 in. 16-3/4 in. SL324 24 in. 22-3/4 in. SL336 36 in. 34-3/4 in. SL348 48 in.
Page 8: Pre-Installation Preparation
MHC36 AND MHR36 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 or across a corner. See Figure 2.
Page 9 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS Figures 3 and 4 show two typical installations assuming an outside air kit is being used. Therefore, an allowance must be made for 90-deg bends. Less space is required when ducting goes directly outside without forming elbows.
Page 10 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS 2. Frame the Fireplace The MHR36 and MHC36 fireplaces will fit a framed opening of 39-5/8 in. wide x 33-5/8 in. tall. The finished cavity depth must be no less than 19-3/4 in. Figure 5 shows a typical framing (using 2 x 4 lumber) of the fireplace, assuming combustible materials are used.
Page 11: Chimney Requirements
MHC36 AND MHR36 INSTALLATION INSTRUCTIONS 3. Sidewalls/Surrounds Adjacent combustible side walls must be located a minimum of 12 in. 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 12 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS 1. Using Offsets and Returns To bypass any overhead obstructions, the chimney may be offset using a 15-deg (SL315) or 30-deg (SL330) offset/return. Perform the following steps to determine the correct chimney component combination for your particular installation.
Page 13 MHC36 AND MHR36 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...
Page 14: Installation Of Fireplace
MHC36 AND MHR36 INSTALLATION INSTRUCTIONS F. FIREPLACE INSTALLATION 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.
Page 15 MHC36 AND MHR36 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 16 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS 6. Attic Insulation Shield 8. Secure 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 17 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS 9. MH842 Ceiling/Roof Thimble See Figures 14 and 15. Locate the point where the chimney will exit the roof by plumbing down to the center of the chimney. Lay out, cut and frame a 14-1/2 in. square opening (measured on the horizontal) through the ceiling and roof structure.
Page 18 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS WARNING! WARNING! This fireplace has not been tested for use with Do not pack insulation in spaces between the two shields a chase above the roof. To reduce the risk of or above the shield inside the flashing. This may affect fire, do not install a chase above the roof.
Page 19 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS 12. 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 in. must be maintained...
Page 20 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS 14. 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 19 and 20. 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 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS 15. Position the Hearth Extension 16. 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.
Page 22: Operating Instructions
MHC36 AND MHR36 INSTALLATION INSTRUCTIONS G. 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.
Page 23 MHC36 AND MHR36 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 24 MHC36 AND MHR36 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 25 MHC36 AND MHR36 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 26: Maintenance Instructions
MHC36 AND MHR36 INSTALLATION INSTRUCTIONS H. 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 27: Index
MHC36 AND MHR36 INSTALLATION INSTRUCTIONS INDEX Air Clearance 16, 19 Firewood 22, 23 Positioning 14 Air Kit 7, 18 Flashing 17 Pre-Installation Preparation 8 Air Kit Handle Location 18 Flue 22 Ashes, Disposal of 26 Framing 10 Attic Insulation Shield 16...
Page 28: Warranty
HEATILATOR WOODBURNING FIREPLACE Limited Warranty As part of its 20-YEAR BUYER PROTECTION PROGRAM AS PART OF ITS 20 YEAR BUYER PROTECTION PROGRAM (“PROGRAM”), HEARTH & HOME TECHNOLOGIES INC. (“HHT”) is pleased to offer a Limited Warranty and a Replacement Parts Advantage covering specific components of your Heatilator woodburning fireplace system ( the “Fireplace”), installed in the United States of America or Canada.

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Mhr36