Heart & Home Collectables MHR36 User's Manual
Contents
1. 8 31072 Rev G 08 04 meatilator MHC36 AND MHR36 INSTALLATION INSTRUCTIONS The first name in fireplaces 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 These are rough framing dimensions only 19 3 4 in Figure 3 Figure 4 Installation Along a Wall Corner Installation WARNING Do not draw outside air from garage spaces Exhaust products of gasoline engines are haz ardous Do not install outside air ducts such that the air may be drawn from attic spaces basements or above the roofing where other heating appliances or fans and chimneys exhaust or utilize air These precautions will reduce the possibility of fireplace smoking or air flow reversal WARNING To prevent contact with sagging or loose insulation the fireplace must not be installed against vapor barriers or exposed insulation Localized overheating could occur and a fire could re 08 04 31072 Rev G 9 Faeatilator The first name in fireplaces 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 ma2. 08 04 meatilator MHC36 AND MHR36 INSTALLATION INSTRUCTIONS The first name in fireplaces MH842 Ceiling Roof Thimble See Figures 14 and 15 a 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 See Chapter 25 of the Uniform Building Code for roof framing details The thimble must extend completely through the roof structure shielding combustible materials Five location holes have been provided to allow for a variety of ceiling roof thicknesses The thimble extension is required when the ceiling roof thickness exceeds 12 1 2 in The extension should overlap the thimble 1 in To attach the extension to the thimble drill 1 8 in holes through the outer shield of the thimble using the predrilled holes in the extension as guides Attach the extension to the thimble using the screws provided with the extension Install the thimble assembly and nail it securely to the framing members Center the flashing over the chimney and nail it to the roof using the Stormguard nails provided Keep gaps between the flashing plate and the roof to a minimum Caulk the flashing plate and roof junction as well as the vertical seam on the flashing All nail heads must be caulked with a roofing sealant Finish assembling the chimney storm collar and termination ca
3. Damper 22 Description of the Fireplace System 4 Dimensions 6 Doors 5 21 23 Draft 24 E Exhaust Products 9 EE Fan Kit 5 Finishing 21 Fireplace Enclosure 19 Locations 8 Firescreen 23 Firestop Spacer Installation 15 INDEX Firewood 22 23 Flashing 17 Flue 22 Framing 10 Fuel 22 23 G Gas Codes 19 22 Gas Knockout Location 6 Gas Log Lighter Provisions 19 General Information 22 Glass Doors 5 21 23 Grate 5 23 H Hearth Extension 20 Positioning 21 Installation Along a Wall 9 In a Corner 9 Insulation Shield 16 J Joint Band 7 L Leveling the Fireplace 14 Locations 8 Mantel 11 21 Material Sealant 21 Metal Hearth Strips 14 MH842 7 Moisture Content of Wood 22 23 N Negative Air Pressure 24 Noncombustible Material 21 Noncombustible Sealant Material 21 O Offsets Returns 7 12 Outside Air 22 Outside Air Kit 7 18 Overhead Obstructions 12 P Positioning 14 Pre Installation Preparation 8 R Roof Flashing 7 17 Roof Thimble 7 17 S Safety 14 Seasoning the Wood 24 Sidewalls Surrounds 11 Smoke 9 Soot 26 Space Requirements 8 Standard for Decorative Gas Appli ances 19 22 Starting a Fire 24 Surrounds 11 T Ten Foot Rule 13 Termination Cap 7 18 Typical Fireplace System 4 U UL 127 Standards 4 Unvented Gas Log Heater 19 22 V Ventilation 24 W Wet Insulation 2 Wood Moisture of 22 23 Seasoning of 24 Wood Fuel 22 23 08 04
4. MHC36 AND MHR36 INSTALLATION INSTRUCTIONS 16 meatilator Finishing Material Do not install combustible materials over the black face of the fireplace This poses a safety hazard and may start a fire You may only use noncombustible material over the black face of the fireplace a Combustible Material Material which is made of or surfaced with wood compressed paper plant fibers plastics or any material capable of igniting and burning whether flame proofed or not plastered or unplastered b Noncombustible Material Material which will not ignite and burn Such materials are those consisting entirely of steel iron brick tile concrete slate glass or plasters or any combination thereof c Noncombustible Sealant Material Sealants which will not ignite and burn General Electric RTV103 Black or equivalent Rutland Inc Fireplace Mortar 63 or equivalent After completing the framing and applying the facing material dry wall over the framing a 1 2 in wide maximum bead of noncombustible sealant must be used to close off any gaps at the top and sides between the fireplace and facing to prevent cold air leaks Only noncombustible materials may be used to cover the black metal fireplace front Mantel A combustible mantel may be positioned no lower than 12 in above the top of the fireplace opening The combustible mantel may have a maximum depth of 12 in Combustible trim pieces that project no mor
5. should be used Screens should be closed when the glass doors are closed CAUTION When left closed while burning your fireplace firescreens and glass doors will be HOT Handle with care WARNING Do not store fuel within the clearances to com bustibles or in the space required for refueling and ash removal See maintenance instructions Clear Space Near the Fireplace 08 04 meatilator Wood Fuel FIREWOOD Your fireplace performance depends on the quality of the firewood you use All seasoned wood regardless of species contains about 8 000 BTU s per pound and hardwoods have a greater density than soft woods A piece of hardwood will contain about 60 more BTU s than an equal size piece of soft wood Firewood is commonly sold by the cord 128 cu ft A cord of seasoned oak hardwood would contain about 6096 more potential energy than a cord of seasoned pine soft wood Soft woods are generally considered coniferous These are trees with needle like leaves that stay green all year and carry their seeds exposed in a cone Examples of soft wood trees are Douglas fir pine spruce and cedar Soft woods require less time to dry burn faster and are easier to ignite than hardwoods Hardwoods are generally considered deciduous Deciduous trees are broadleaf trees that lose their leaves in the fall Their seeds are usually found within a protective pod or enclosure Some examples are oak maple apple and bir
6. size of the flue collar and should not be changed then the height of the system must be increased Add chimney sections a little at a time until the draft improves In some cases regardless of what you do it can still be difficult to establish the proper flue draft This is especially evident when using an exterior factory built chimney or exterior masonry chimney Try placing several sheets of crumpled paper on top of your kindling as close to the flue outlet of the fireplace as possible Light this paper first then the paper under the kindling The heat generated from the rapidly burning paper on top of the kindling should help get the draft established Still other factors can affect how well your flue system performs Neighboring structures high winds tall trees even hillsides can affect air currents around the chimney Well designed chimney caps are available that can help Your fireplace dealer is the local expert in your area He or she can usually make suggestions or discover problems that can be easily corrected allowing your fireplace to operate correctly as it has been designed providing safe and economical heat for your home 31072 Rev G meatilator The first name in fireplaces MHC36 AND MHR36 INSTALLATION INSTRUCTIONS H MAINTENANCE INSTRUCTIONS Disposal of Ashes Ashes should be placed in a metal container with a tight fitting lid The closed container of ashes should be placed on a noncombust
7. 31072 Rev G 27 28 meatilator The first name in fireplaces 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 amp 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 Dealers and employees of HHT have no authority to make any warranty or authorize any remedies in addition to or inconsistent with the terms of this Program Limited Warranty HHT warrants the following components of your Heatilator woodburning fireplace to be free from original defects in material and workmanship during the applicable periods described five years for the firebox assembly chimney system and roof termination two years for refractory firebox liners and one year for the grate wire mesh screens fan system outside air system and glass doors All limited warranty periods run from the date of initial installation of your Fireplace the Installation Date The Limited Warranty is subject to the conditions exclusions and limitations of liability listed below Replacement Parts Advantage Under HHT s Replacement Parts Advantage for a period of twenty years from your Installation Date of your Fireplace if available HHT will
8. EVER use gasoline gasoline type lantern fuel kerosene charcoal light fluid or similar liquids in this fireplace Keep any flammable liquids a safe distance from the fireplace 7 DO NOT use chimney cleaners or flame colorants in your fireplace 8 The flue damper must be open at all times when the fireplace is in use 9 While servicing this fireplace always shut off any electricity or gas to the fireplace This will prevent possible electric shock or burns Also make sure the fireplace is completely cooled before servicing 10 To ensure a safe fireplace system and to prevent the build up of soot and creosote inspect and clean the fireplace and chimney prior to use and periodically during the burning season See Maintenance Instructions in this manual for cleaning instructions 2 31072 Rev G 08 04 meatilator MHC36 AND MHR36 INSTALLATION INSTRUCTIONS The first name in fireplaces 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 Tightly sealed construction is important for energy efficiency Unfortunately a great deal of effort has been directed to tightening up sidewall construction while c
9. THICKNESS K VALUE USG MICORE CV230 1 2 in 0 43 INSULATION MIN R VALUE 1 16 THERMAL CONDUCTIVITY K BTU in hr ft F TO SUBSTITUTE ALTERNATE INSULATION MATERIAL YOU NEED TO KNOW THE K FACTOR FOR THAT MATERIAL TO CALCULATE THE REQUIRED THICKNESS FOR THE ALTERNATE MATERIAL USE THE FOLLOWING FORMULA 8 in min 316 in min EXAMPLE K OF BRICK 5 K ALT x 5 THICKNESS OF ALTERNATE MAT INCHES 5 43 43 X 575 81 IN OF BRICK 8 in min Figure 20 Field Constructed Hearth Extension WARNING Hearth extensions are to be installed only as illustrated to prevent high temperatures from occurring on concealed combustible materials Hearth sealing strips prevent burning or hot particles from inad vertently falling directly on combustible surfaces in the event the building should settle and disturb the original construction 20 31072 Rev G 08 04 15 Position the Hearth Extension Position and secure the hearth extension over the protective metal strips that have been placed partially under the fireplace front These strips should be protruding approximately 2 in from under the fireplace front and 2 in on both sides of the fireplace opening Seal the crack between the hearth extension and fireplace with a bead of noncombustible sealant See Figure 21 Apply a noncombustible finishing material of your choice to the hearth extension Figure 21 Position the Hearth Extension 08 04
10. TION INSTRUCTIONS The first name in fireplaces 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 The inner flue is placed to the inside of the flue section below it The outer casing is placed outside the outer casing of the chimney section below it See Figure 10 WARNING Carefully follow the instructions for assembly of the pipe and other parts needed to install this fireplace system Failure to do so may result in a fire especially if combustibles are too close to the fireplace or chimney and air spaces are Figure 10 blocked preventing the free movement of cool Assembling Chimney ing air Sections 5 Install the Firestop Spacers Mark and cut out an opening in the ceiling for the firestop spacer being utilized 14 1 2 in x 14 1 2 in ROOM ABOVE non insulated ceiling for an FS338 14 1 2 in x 18 3 8 in for an FS339 and 14 1 2 in x 23 in for an FS340 Frame the opening with the same dimension lumber used in the ceiling joists Install the firestop spacer These firestop spacers are designed to provide the minimum 2 in air space required around the chimney In all situations the firestop spacers are to be nailed to the ceiling joists from the bottom or f
11. The flue damper must be in a full open position Before lighting the fire verify this by looking up from the inside of the fireplace Always operate this fireplace with the damper fully open Pull the handle down to open and push the handle up to close Please note down drafts obstructions damaged or poor wet fuels can cause smoke spillage 08 04 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS gt Glass Doors Most efficient fireplace operation using glass doors is with the doors open When the doors are open the screen must be closed Only Hearth amp Home Technologies glass doors may be used See Figure 22 for proper glass door operation FULLY OPEN CORRECT PARTLY OPEN INCORRECT I FULLY CLOSED PARTLY CLOSED CORRECT INCORRECT Figure 22 Proper Operating Positions of Bi Fold Doors Grate The factory installed integral grate must be used to hold the logs from falling out of an open fireplace and to allow air to pass between the burning logs It is important to keep the fire off the hearth and to allow the ashes to collect beneath the fire thereby forming a layer of additional heat protection Firescreen A firescreen is always provided to control sparks It must be closed whenever the fireplace is in use Glass doors or firescreens must not be used to hold burning material inside the fireplace Only those glass doors specifically tested and listed for use with the specific fireplace model
12. ast 2 ftabove the peak of the roof but never less than 3 ftin overall height above the highest point where it passes through the roof If the horizontal distance from the side of the chimney to the peak of the roof is more than 10 ft a chimney height reference point is established on the surface of the roof a distance of 10 ftfrom the side of the chimney in a horizontal plane The top of the chimney must be at least 2 ftabove this reference point but never less than 3 ftin height above the highest point where it passes through the roof See Figure 8 These chimney heights are necessary in the interest of safety but do not ensure smoke free operation Trees buildings adjoining roof lines adverse wind conditions etc may create a need for a taller chimney should smoking occur 3 Number of Sections Required To determine the chimney components needed to complete your particular installation follow the steps below a 08 04 Determine the total vertical height of the fireplace installation This dimension is measured from the base of the fireplace assembly to the point where the smoke exits the termination cap Subtract the effective height of the fireplace assembly from the overall height of the fireplace installation measured from the base of the fireplace to the bottom of the termination cap Refer to Table 2 to determine what components must be selected to complete the fireplace installation Determine th
13. ce 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 between the fireplace sides and the enclosure except at the nailing flange as well as the fireplace back and the enclosure See pages 9 11 for framing details Note Use only a noncombustible material to fin ish the face of the fireplace below the level of the front standoffs A noncombustible material such as USG MICORE CV230 Mineral Fiber Board or USG DUROCK Cement Board is recommended for this purpose CAUTION When using a gas log set the fireplace damper must be set in the fully open position This en sures proper venting of combustion products Gas Log Lighter Provisions Knockouts are provided on both sides of the fireplace to allow for connection of a certified gas log lighter or a decorative gas appliance with a maximum input of 100 000 BTU hour incorporating an automatic gas shutoff device and complying with the Standard for Decorative Gas Appliances for Installation in Vented Fireplaces ANSI Z21 60 The decorative gas appliance should be installed in accordance with the National Fuel Gas Code ANSI Z223 1 1980 The side refractories are designed to allow 1 2 in iron pipe 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 ex
14. ch It should be noted that there are some deciduous trees that are not considered hardwoods such as poplar aspen and alder Hardwoods require more time to season burn slower and are usually harder to ignite than soft woods The best wood fuel is a combination of soft wood and hardwood Start the fire with soft wood the fire will give off quick heat to bring the appliance up to operating temperature and then the hardwood can be added for slow even heat and longer burn time MOISTURE Regardless of which species of wood you burn the single most important factor that effects the way your fireplace operates is the amount of moisture in the wood The majority of the problems fireplace owners experience are caused by trying to burn wet unseasoned wood Freshly cut wood can be as much water as it is wood having a moisture content of around 5096 Imagine a wooden bucket that weighs about eight pounds Fill it with a gallon of water put it in the fireplace and try to burn it This sounds ridiculous but that is exactly what you are doing if you burn unseasoned wood WARNING Burning wet unseasoned wood can cause ex cessive creosote accumulation When ignited it can cause a chimney fire that may result in a serious house fire 31072 Rev G The first name in fireplaces Faeatilator The first name in fireplaces SEASONING Seasoned firewood is nothing more than wood that is cut to size split and air dried to a moisture co
15. combine offsets to create an offset greater than 30 deg from verti cal This may create a fire hazard since the natural draft may be restricted 1 1 4 in OVERLAP Figure 7 Chimney Offset Return Table 1 Offset Chart ere E AE E E scsse soas A B A B SL306 SL312 SL318 SL324 SL336 SL348 1 6 8 in 13 3 8 in 3 7 8 in 12 in 2 7 8 in 17 3 4 in 6 1 4 in 1858 in 1 4 1 8 in 22 3 8 in 8 6 8 in 22 3 4in 2 4 1 2 in 23 6 8 in 9 4in 23 34 in 1 P Ph 5 3 4 in 28 4 4 in 1 5 8 in 27 78 in 1 1 Gin 29 3 8 in 12 1 4in 29i 1 7 4in 34im t458in 33i 2 7 3 4 in 36 1 8 in 15 1 4 in 34 8 in 1 8 3 4 in 39 3 4 in 17 6 8 in 38 1 4in 1 Proper assembly of air cooled chimney parts result in an overlap at chimney joints of 1 1 4 in Effective length is built into this chart 31072 Rev G 08 04 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS 2 Chimney Height Requirements above roof line a 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 le
16. e than 1 1 2 in from the face of the fireplace can be placed no closer than 6 in from the top of the fireplace opening Combustible trim must not cover the black metal surfaces of the fireplace This mantel clearance is in accordance with Section 7 3 3 3 of ANSI NFPA211 Glass Doors This fireplace has been tested and listed for use with doors as specified in Section C Fireplace System Components Please refer to the manual packed with each set of doors for installation instructions 31072 Rev G The first name in fireplaces Faeatilator The first name in fireplaces 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 General Information This fireplace is intended to operate as a supplemental heat source for a single room It is not designed to function as a primary heat source for a structure Fireplaces as well as other woodburning appliances have been used safely for many years It has been our experience that most problems are caused by improper installation and operation of the fireplace Make certain that installation and operation of the fireplace system is in accordance with these instructions It is extremely importa
17. e in fireplaces 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 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 Consideration should be given to these factors before deciding on a location CLEARANCES A minimum 1 in air clearance As a room must be maintained at the divider back and sides of the fire place assembly except at the nailing flange where the clearance is 1 2 in Chimney sections at any level Across a corner require a 2 in minimum air space clearance between the framing and chimney section Along a wall Figure 2 Fireplace Locations WARNING 1 Do not install in sleeping rooms 2 Combustion air needs of a heavily fired fireplace may deplete the available oxygen supply CAUTION The structural integrity of the manufactured housing floor wall ceiling and roof must be maintained WARNING For all manufactured housing installations the outside air kit glass door kit and MH842 manufactured housing roof thimble and flashing kit must be used
18. e number of firestop spacers stabilizers roof flashing etc required to complete the fireplace installation meatilator ETT CSTE MUST BE AT LEAST 2 FEET TUAAERLIE LLLI AOA ULOOLLOUA ILOLO UNLI ny Iw NEVER LESS THAN 3 FEET Figure 8 Chimney Height Table 2 HEIGHT OF CHIMNEY COMPONENTS Chimney Stabiizer Ope 9 FrestopSpacers o ree 9 re 9 L rs 0 9 OfsetsRetums Css 9 L jsus3o ww RofFashng REO 9 ees o ChmneySectons sos 9 s sss ew L ssa 29 suse sen C sisse et Dimensions reflect effective height 31072 Rev G The first name in fireplaces meatilator The first name in fireplaces 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 1 Position the Fireplace This fireplace may be placed on either a combustible or noncombustible continuous flat surface Fo
19. f ku 2 in mue 4 6 1 2 in 51 mm 914 mm 6 in 1 in 3 3 4 in 165 mm 152mm 25 mm 95 mm 11 7 8 in 38 5 8 in 302 mm 11 7 8 in 8 in 981 mm 302 mm 203 mm Fireplace Dimensions 2 Chimney Components The following pictures show only those chimney components which may be safely used with this fireplace Catalog Description Chimney Section 6 in long Chimney Section 12 in long 6 31072 Rev G 08 04 meatilator MHC36 AND MHR36 INSTALLATION INSTRUCTIONS The first name in fireplaces MH841 Chimney Sections 24 5 8 in Catalog AB ios P suos 6m eon 29 in 16 5 8 in 4 16 5 8 in Meneer Thin c Peaking A A Actual Length B Effective length length of TM 14 fo chimney part after it has ow va n Inside been snapped to another Diameter Firestop Spacer Catalog A B Outside Diameter 10 1 2 in hoa a l SL330 Offset Return CB876 Chimney Bracket T I um TIT UUUUUUUJ J7JUUUUO 3 E gE 0 lt n TR344 10 1 2 in C amp 2i C Round Termination Cap B877 B i JB877 Joint Band Outside Air Kit with Storm Collar F1 2n ki 12 in cR XE 24 5 8 in L 2 3 8 in 31 in AS8 RF370 Roof Flashing RF371 Roof Flashing Attic Insulation Shield 6 12 to 12 12 Pitch Flat to 6 12 Pitch 08 04 31072 Rev G ri meatilator The first nam
20. his fire place Keep all such liquids well away from the fireplace WARNING Fireplaces equipped with doors should be op erated only with the doors fully open or fully closed If doors are left partially open gas and flame may be drawn out of the fireplace open ing creating the risk of both fire and smoke Draft Problems Note When first lighting your fireplace it may be necessary to pre warm the flue to establish a draft This is done by holding a rolled up piece of burn ing newspaper under the flue damper for a few mo ments This will help reduce smoke spillage dur ing start up This fireplace will operate correctly only if adequate ventilation is provided to allow proper draft to the fireplace system Hearth amp Home Technologies assumes no responsibility for the improper performance of the fireplace system caused by inadequate draft due to environmental conditions down drafts tight sealing construction of the structure or mechanical exhausting devices which will create a negative air pressure within the structure where the fireplace is located 08 04 meatilator MHC36 AND MHR36 INSTALLATION INSTRUCTIONS The first name in fireplaces Flue draft is measured as negative pressure in the chimney The amount of negative pressure determines how strong the draft is The draft is important because it draws the combustion air into the fireplace and pulls the smoke out of the chimney There are three bas
21. ible floor or on the ground well away from all combustible materials pending final disposal If the ashes are disposed of by burial in soil or otherwise locally dispersed they should be retained in the closed container until all embers have thoroughly cooled Creosote and Soot Inspect the chimney internally for obstructions and construction damage Flue pipe joints and seams must be continuous and mechanical tight In a used chimney additional inspection is needed for creosote buildup which is the formation of a flammable sediment When wood is burned slowly it produces tar and other organic vapors which combine with expelled moisture to form creosote The creosote vapors condense in the relatively cool chimney flue of a slow burning fire As a result creosote residue accumulates on the flue lining When ignited this creosote makes an extremely hot fire The chimney should be inspected at least twice a year during the heating season to determine if creosote buildup has occurred If creosote has accumulated it should be removed to reduce the risk of a chimney fire Chimney Cleaning If you do detect a buildup of creosote contact a qualified chimney sweep or clean it yourself To do this perform the following steps a Open the damper b Hang a damp sheet across the fireplace opening to stop dirt and soot from entering the room c Remove the termination cap or housing top See Figure 24 d Clean with a stiff n
22. ic criteria essential in establishing and maintaining flue draft e Availability of combustion air e Heat generated from the fire e Diameter and height of the flue system These three factors work together as a system to create the flue draft Increasing or decreasing any one of them will affect the other two and thus change the amount of draft in the entire system See Figure 23 Figure 23 Flue Draft 08 04 If the fire is hard to start and smoke spills out of the fireplace or you find it difficult to establish and maintain a moderately high burn rate then the flue draft is too low and corrective measures must be taken Be sure you have air available for combustion and that your firewood is dry and well seasoned Build your fires properly and according to the instructions given in operating instructions Starting a Fire Be sure your flue system is installed correctly and that it is the proper diameter and height Check for the following e All chimney sections are properly installed and the joints are tightly sealed The chimney is clean and free of creosote buildup e Make sure overhanging trees and branches are cut back within ten feet of the top of the chimney e Ensure the chimney cap is clean and free of any buildup of soot or creosote If you still suspect you have a low draft problem it may be necessary to increase the volume of air in your flue system Since the diameter of your flue system is matched with the
23. id the warranty and or result in a safety hazard Safety Precautions 1 Please read these installation instructions completely before beginning installation procedures Failure to follow them could cause a fireplace malfunction resulting in serious injury and or property damage 2 Always check your local building codes prior to installation The installation must comply with all local regional state and national codes and regulations 3 An adequate supply of replacement combustion air from outside the house must be available to the fire for the fireplace to operate properly To achieve this the use of the optional outside air kit is highly recommended In the event the home is unusually tightly sealed the optional combustion air kit may not provide all the air required to support combustion Hearth amp Home Technologies is not responsible for any smoking or related problems that may result from the lack of adequate combustion air It is the responsibility of the builder contractor to ensure that adequate combustion air has been provided for the fireplace 4 The fireplace must be installed with the Hearth amp Home Technologies SL Series Chimney System The chimney system must always terminate outside the building Be sure to follow all chimney specifications given in these installation instructions 5 NEVER leave children unattended when there is a fire burning in the fireplace 6 This fireplace is built for solid fuel only N
24. ion Cap Chimney System e Hearth Extension 295 The CP311 Convenience Pack has been designed for the convenience of customers wishing to install a chimney system at the 11 ft minimum straight height The CP313 Convenience Pack has been designed for those wishing to install a chimney system at the 13 ft minimum straight height The following combination of listed parts are included in both the CP311 and CP313 Convenience Packs CP311 amp CP313 Convenience Packs rum 2 ES EN AE 2 Optional Components Include a Glass Doors b Fan Kit MHC36 only 31072 Rev G Note Illustrations used throughout these instructions reflect typical installations and are for design purposes only Actual installation may vary slightly due to individual design preferences However minimum and maximum clearances must be maintained at all times The illustrations and diagrams used throughout these installation instructions are not drawn to scale U L uim Figure 1 Typical Fireplace System 08 04 meatilator MHC36 AND MHR36 INSTALLATION INSTRUCTIONS The first name in fireplaces C SYSTEM COMPONENTS 1 Fireplace Components MHR36 Radiant Fireplace with Integral Grate Hearth Protection Strips and Outside Air Kit MHC 36 Circulating Fireplace with Integral Grate Hearth Protection Strips Fan Kit and Junction Box DM1036 Bi fold Glass Doors Black Finish DM1036B Bi fold Glass Do
25. ireplace side EXCEPT when the space above is an ATTIC ABOVE insulated ceiling insulated ceiling or attic space In this situation the firestop spacer must be nailed from the top side to prevent loose insulation from falling into the required 2 in air space around the chimney See Figure 11 CAUTION Firestop spacers must be used whenever the chimney penetrates a ceiling floor area Figure 11 Installing the Firestop Spacer 08 04 31072 Rev G 15 Faeatilator The first name in fireplaces MHC36 AND MHR36 INSTALLATION INSTRUCTIONS 6 Attic Insulation Shield An insulation shield should be installed when there is a possibility of insulation coming into contact with the factory built chimney system The insulation shield is installed by positioning it over the vertical chimney section where it penetrates a firestop spacer The firestop spacer will support the insulation shield See Figure 12 Tabs Insulation B Shield Insulation F5338 Firestop 10 1 2 in gt r Chimney Figure 12 Installing an Attic Insulation Shield 7 Double check the Chimney Assembly Continue assembling the chimney sections up through the firestop spacers as needed While doing so be aware of the height and unsupported chimney length limitations that are given on page 11 under Chimney Requirements Check each section by pulling up s
26. is specific model fireplace Unless the unvented gas log heater is tested and listed for use in this factory built fireplace a fire hazard may be created that can result in a structure fire Maintain air clearance 08 04 31072 Rev G Faeatilator The first name in fireplaces 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 Seal gaps between the hearth extension and the front of the fireplace with a bead of noncombustible sealant Noncombustible Gap Seal with noncombustible sealant Decorative Material Louvered Face Black Fireplace Bottom 1 2 in m HX3 Factory Built __ Hearth Sealing Strip Hearth Extension Figure 19 Factory Built Hearth Extension Field constructed hearth extensions should be constructed in accordance with the instructions in Figure 20 The field constructed hearth extension must be constructed from 1 2 in MICORE CV230 or a material with an equivalent insulation value NONCOMBUSTIBLE DECORATIVE EXAMPLES OF INSULATION COVERING OR 018 MIN SHEET METAL MINIMUM REQUIRED
27. its the side of the fireplace A minimum 1 1 2 in air clearance must be provided around the 1 2 in iron pipe for a minimum of 4 in beyond the fireplace See Figure 18 This fireplace has been set up for installation of the gas pipe on the right hand side If it is necessary to plumb the fireplace from the left hand side remove the gas cover plate and gas tube from the right hand side of the fireplace and install on the left hand side Cover the hole in the right hand side outershell of the fireplace with the cover plate that covered the gas tube Outer Shell to combustibles Combustible Materials Firebox 7 1 1 2 in n air space Gas Line GasLine f Combustible materials may be located at zero Pd clearance to gas line beyond 4 in from 4 in fireplace side Insulation Figure 18 Air Clearance Around Gas Line CLEARANCES A minimum 1 in air clearance must be maintained at the back and sides of the fireplace assembly ex cept at the nailing flange where the clearance is 1 2 in Chimney sections at any level require a 2 in mini mum air space clearance between the framing and chimney section WARNING This fireplace was not tested by the fireplace manu facturer for use with an unvented gas log heater To reduce risk of injury do not install an unvented gas log heater in this fireplace unless it has been spe cifically tested and listed by Underwriter s Labora tories Inc for use in th
28. lightly from the top to ensure proper engagement before installing the succeeding sections If they have been connected correctly they will not disengage when tested CAUTION Inner flue and outer liner sections cannot be disassembled once locked together Plan ahead to ensure the proper installation height is achieved with the selected chimney compo nents WARNING Maintain a minimum of 2 in air clearance to all parts of the chimney system at all times Fail ure to maintain this 2 in air clearance will cause a structure fire 16 31072 Rev G Secure the Chimney System When offsets and returns are joined to straight pipe sections they must be locked into position with the screws provided outer only using the predrilled holes To prevent gravity from pulling the chimney sections apart the returns and the chimney stabilizers have straps for securing these parts to joists or rafters See Figure 13 Note You must provide support for the pipe dur ing construction and check to be sure inadvertent loading has not dislodged the chimney section from the fireplace or at any chimney joint OPTIONAL ADDITIONAL SUPPORT Figure 13 Offset Return with Stabilizer WARNING When chimney sections exceeding 6 ft in length are installed between an offset and return structural support must be provided to reduce off center loading and prevent chimney sections from separating at the chimney joints
29. llow the instructions for framing on pages 9 11 Slide the fireplace into position Be sure to provide the minimum air clearance at the sides and back of the fireplace assembly 2 Place the Protective Metal Hearth Strips Included with your fireplace you will find two metal hearth strips measuring approximately 26 in x 4 in These strips are used to provide added protection where the fireplace and the hearth extension meet Slide each metal strip 2 in under the front edge of the fireplace The individual pieces must overlap each other by 1 in minimum in the middle of the fireplace P to provide continuous coverage of the floor See METAL STRIPS 2 in UNDER THE Figure 9 These metal strips should extend from the EDGE OF THE FIREPLACE AND front and sides of the fireplace opening by 2 in THE HEARTH EXTENSION Figure 9 Positioning the Metal Strips 3 Level the Fireplace Level the fireplace side to side and front to back Shim with noncombustible material such as sheet metal as necessary Secure the fireplace using the nailing flanges located on either side of the fireplace to the vertical framing Important To ensure proper fit of the glass doors check the fireplace opening for square Measure diagonal distances of the opening to make sure they are equal If they are not equal continue to shim the fireplace until those diagonals are equal 14 31072 Rev G 08 04 meatilator MHC36 AND MHR36 INSTALLA
30. mited to only the component parts manufactured or supplied by HHT B During the first year of the Limited Warranty HHT will at its sole option repair or replace any covered defective component and will provide replacement parts at no charge And will pay reasonable labor and freight costs During the second through the fifth years of the Limited Warranty if applicable HHT will provide replacement parts free of charge for any covered defective component but will not pay for freight or labor costs related to the shipment of the parts or the actual repair or replacement After the fifth anniversary of the Installation date HHT s sole obligation and your exclusive remedy is set forth in HHT s Replacement Parts Advantage described above In no event shall HHT be liable for any incidental or consequential damages caused by defects in your Fireplace C EXCEPT TO THE EXTENT PROVIDED BY LAW HHT MAKES NO EXPRESS WARRANTIES OTHER THAN THE WARRANTY SPECIFIED HEREIN THE DURATION OF ANY IMPLIED WARRANTY IS LIMITED TO DURATION OF THE WARRANTY SPECIFIED ABOVE D Some states do not allow exclusions or limitations of incidental or consequential damages so those limitations may not apply to you This warranty gives you specific rights you may also have other rights which vary from state to state How to Obtain Service 1 To obtain service under this warranty you must 2 Send written notice of the claimed condition to Heatilator Technical Service Departmen
31. n 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 1 Measure how far the chimney needs to be shifted to enable it to avoid the overhead obstacle See Figure 7 dimension A to determine chimney sections required to achieve the needed shift 2 After determining the offset dimension refer to Table 1 and find the A dimension closest to but not less than the distance of shift needed for your installation 3 The B dimension that coincides with the A dimension represents the required vertical clearance that is needed to complete the offset and return 4 Read across the chart and find the number of chimney sections required and the model number of those particular chimney parts 5 Whenever the chimney penetrates a floor ceiling a firestop spacer must be installed 6 The effective height of the fireplace assembly is measured from the base of fireplace to top of starter Example Your A dimension from Figure 7 is 14 Using Table 1 the dimension closest to but not less than 1477 is 14 s using a 30 offset return It is then determined from the table that you would need 33 Dimension B between the offset and return The chimney components that best fit your application are two SL312s collar See Figure 6 WARNING Do not
32. nt that the fire be supervised whenever the fireplace is in use It is also recommended that an annual inspection be performed on the fireplace system to determine if the flue system needs to be cleaned or as in the case of any appliance if minor repairs are required to maintain the system in top operating condition This factory built fireplace is intended for use with either solid fuel firewood or a decorative gas appliance that has been tested and listed to the Standard for Decorative Gas Appliances for Installation in Vented Fireplaces ANSI Z21 60 When operating your fireplace the flue damper must be in the open position This fireplace was not tested and listed for use with an unvented gas log heater Do not install an unvented gas log heater in this fireplace and operate it with the flue damper in the closed position unless the unvented gas log heater has been specifically tested and listed for use in this fireplace by Underwriters Laboratories Inc Use of an unvented gas log heater in this factory built fireplace may create a fire hazard that can result in a structure fire WARNING DO NOT operate this fireplace with the flue damper in the closed position Combustion products must vent up the chimney system to prevent carbon monoxide poisoning and to prevent hot combustion gases from contacting and overheating combustible surfaces Failure to operate this fireplace with the damper in the open position may result in as
33. ntent of around 20 The time it takes to season wood varies from around nine months for soft woods to as long as eighteen months for hardwoods The key to seasoning wood is to be sure it has been split exposing the wet interior and increasing the surface area of each piece A tree that was cut down a year ago and not split is likely to have almost as high a moisture content now as it did when it was cut The following guideline will ensure properly seasoned wood a Stack the wood to allow air to circulate freely around and through the woodpile b Elevate the woodpile off the ground to allow air circulation underneath c The smaller the pieces the faster the drying process Any piece over 6 in in diameter should be split d Cover the top of the woodpile for protection from rain and snow Avoid covering the sides and ends completely Doing so may trap moisture from the ground and impede air circulation The problems with burning wet unseasoned wood are twofold First you will receive less heat output from wet wood because it requires energy in the form of heat to evaporate the water trapped inside This is wasted energy that should be used for heating your home Secondly this moisture evaporates in the form of steam which has a cooling effect in your fireplace and chimney system When combined with tar and other organic vapors from burning wood it will form creosote which condenses in the relatively cool fireplace and chimne
34. onsiderably less attention has been paid to tightening upper portions of the warm air envelope insulated ceilings This has increased the Stack Effect a condition that increases the negative pressure generated by the structure This negative pressure will directly affect the drafting performance of a fireplace chimney To minimize the negative pressure generated by stack effect make certain that all duct work installed in the attic spaces is sealed airtight Minimize the number of recessed light fixtures installed in the insulated ceiling and use sealed recessed light fixtures Finally make certain the whole house fans and attic access panels are tightly sealed These are important design considerations that must be observed during the design and construction stage of the home If you desire to put a fireplace in your basement we recommend that you consider a direct vent gas fireplace Basements always have a significant negative air pressure that causes the fireplace system to be more susceptible to smoke spillage and cold flue back drafting Since direct vent gas fireplaces are sealed they are not affected by the negative pressure that exists in basements Finally woodburning fireplaces perform best when their chimney roof termination is located on the upper half of the roof especially when cathedral ceilings are present Chimneys that are located on the lower half of the roof realize what is known as lazy flue and will not draft as well a
35. ors Polished Brass Finish included with fireplace DM1036S Bi fold Glass Doors Stainless Steel Finish DP1036 Peception Glass Doors Black Finish DP1036B Perception Glass Doors Polished Brass Finish DP1036S Perception Glass Doors Stainless Steel Finish FK22 Fan Kit MHC36 only JK9 Junction Box MHC36 only BC10 Fan Motor Rheostat Control MHC36 only HX3 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 Otherwise significant reconstruction will be required Refer to the installation instructions included with the JK9 and FK22 for proper installation Bes ae CLILELILLI Bi Fold Glass Doors Perception Glass Doors DM1036 DP1036 DM1036B DP1036B DM1036S DP1036S hen a ee a P aan HX3 Hearth Extension GR16 Integral Grate FK22 Fan Kit MHC36 only BC10 Fan Motor Rheostat Control MHC36 only 08 04 31072 RevG 5 meatilator The first name in fireplaces MHC36 AND MHR36 INSTALLATION INSTRUCTIONS l 21 7 8 in 556 mm 10 7 8 in 276 mm I 18 3 4 in 476 mm 11 172 in 292 mm r i E bo 33 5 8 in 854 mm 8 1 8 in 206 mm 20 7 8 in wee enn 530 mm 7 1 4 in 7 4 4 in 184 mm 32 718 in Him 835 mm
36. p following the installation instructions provided with them CHIMNEY a FLASHING Ke v Figure 14 Ceiling Attic Construction Note Roofing shingles must be below the flash ing plate on the lower side of a sloped roof and over the flashing plate on the sides and top FLASHING NE s CHIMNEY FLASHING Note The closed end of the thimble is positioned towards the bottom Figure 15 Installing an MH842 08 04 31072 Rev G 17 meatilator The first name in fireplaces MHC36 AND MHR36 INSTALLATION INSTRUCTIONS WARNING WARNING Do not pack insulation in spaces between the two shields This fireplace has not been tested for use with or above the shield inside the flashing This may affect a chase above the roof To reduce the risk of temperatures to adjacent combustibles See page 13 fire do not install a chase above the roof for minimum chimney height above roof WARNING Detailed instructions for installation of the storm collar and termination cap are packaged with these parts To avoid danger of fire all instructions must be strictly followed including the provision of air space clearance between chimney system and enclosure To protect against the effects of corrosion on those parts exposed to the weather we recommend that the chase top and termination cap be painted with a rust resistant paint 10 Install the Outside Air Kit The outside air kit is supplied as a standard feature
37. phyxiation or a structure fire 31072 Rev G Outside Air A source of air oxygen is required in order for combustion to take place Whatever air is consumed by the fire must be replaced through cracks around windows under doors etc Most newly constructed houses or existing homes fitted 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 A damper control handle allows the individual control of the outside air inlet if your fireplace 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 fireplace venting properly This fireplace will operate correctly only if adequate ventilation is provided to allow proper draft to the fireplace system Hearth amp Home Technologies assumes no responsibility for the improper performance of the fireplace system caused by inadequate draft due to environmental conditions down drafts tight sealing construction of the structure or mechanical exhausting devices which create a negative air pressure within the structure where the fireplace is located CAUTION Fireplace operation does require air Do not take air from other fuel burning appliances which can result in improper venting smoking or air di lution Always provide adequate makeup air Flue Damper
38. provide you with repair or replacement parts for defective components which are no longer under their applicable Limited Warranty at 5096 of the then current retail list price for such components HHT shall have no responsibility for freight and labor charges related to such parts Conditions Exclusions amp Limitations of Liability A Both the Limited Warranty and Replacement Parts Advantage supplied by HHT apply only while the Fireplace is in its location of original installation HHT s obligation under this warranty does not extend to damages resulting from 1 installation operation or maintenance of the Fireplace not in accordance with the Installation Instructions Operating Instructions and the Listing Agent Identification Label furnished with the Appliance 2 installation which does not comply with local building codes 3 shipping improper handling improper operation abuse misuse accident or unworkmanlike repairs 4 environmental conditions inadequate ventilation or drafting caused by tight sealing construction of the structure air handling devices such as exhaust fans or forced air furnaces or other causes 5 use of fuels other than those specified in the Operating Instructions 6 installation or use of components not supplied with the Fireplace or any other components not expressly authorized and approved by HHT and or 7 modification of the Fireplace not expressly authorized and approved by HHT in writing This warranty is li
39. raeatilator e 3 LJ The first name in fireplaces Hearth amp Home Technologies Inc 1915 W Saunders Street Mt Pleasant lowa 52641 www heatilator com UL B LISTED INSTALLATION amp OPERATING INSTRUCTIONS MHC36 MHR36 WOODBURNING FIREPLACE FOR MANUFACTURED HOUSING 08 04 31072 Rev G 1 meatilator The first name in fireplaces MHC36 AND MHR36 INSTALLATION INSTRUCTIONS TABLE OF CONTENTS versi A MAO MR RR IRR Er E E E ES E E EES E E 2 Design and Installation Considerations iscss ceces nce seecenvsedodccssennctiasiendenaeesences acted ede sssaeimesaresseacascnsneeiabenadaniesees 3 A Listings and Code Approvals uscite eomttu ir onto semen he dseteasiaaeativarceddenwebalncdededaneuasosaniennsationdemteniecatcenevineysosensiasnd tans 4 B Description of the Fireplace SUSU NO OE Ommm 4 G Oys lem COMPONGIIS orensad kE nere uu P 5 D Pre Installation dE oz C29 DEREN EE OT mmm 8 E Chimney Requirements RTT 11 F Me aao or geo MET Em 14 G Operating INSIrUCHONS MENOR enana aE Eaa EAEAN DEENA A AEE EEEN EEEN EEEE 22 H Maintenance Instructions EET 26 CAUTION Do not expose the fireplace to the elements i e rain etc and keep the fireplace dry at all times Wet insulation will produce an odor when the fireplace is used WARNING This fireplace is tested and listed for use only with the optional accessories listed in these instructions Use of optional accessories not specifically tested for this appliance could vo
40. s a chimney that is located in the upper portion of the roof The reason for this is that the stack effect generated by the overall height of the living spaces inside the house will exceed the draft generated by the chimney system If you desire to place a woodburning fireplace in a location where the termination cap would be located on the lower half of a roof such as on an outside wall at the base of a cathedral ceiling we recommend that you consider using a direct vent gas fireplace This will assure the homeowner a fireplace that operates correctly These properties do not affect just your woodburning factory built fireplace They can cause any woodburning fireplace as well as any conventionally vented B vent gas appliance to operate improperly Careful planning at this stage of your project will ensure satisfaction with the operation of your fireplace once it is completed Recommended Location Location Not Marginal Recommended Recommended Location Location Location NOT Recommended 2nd Floor 1st Floor Cathedral Ceiling Multi level Roofs Construction 08 04 31072 Rev G 3 Faeatilator The first name in fireplaces MHC36 AND MHR36 INSTALLATION INSTRUCTIONS A LISTINGS AND CODE APPROVALS This fireplace system has been tested and listed in accordance with UL 127 standards and has been listed by Underwriters Laboratories Inc for installation and operation in the United States This fireplace has been tes
41. t Hearth amp Home Technologies 1915 W Saunders Street Mt Pleasant lowa 52641 1563 You may also register your claim online at www heatilator com contact asp 3 Provide proof of purchase model number serial number and manufacturing date code to HHT 4 Provide HHT reasonable opportunity to investigate the claim including reasonable opportunity to inspect the Appliance prior to any repair or replacement work and before the Appliance or any component of the Appliance has been removed from the place of original installation 5 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 2003 Heatilator is a Registered Trademark of Hearth amp Home Technologies Inc 31072 Rev G 08 04
42. t 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 Short stub walls are also acceptable if they are contained within the shaded area Flush Front 50 deg 3 33 5 8 in 39 deg Effective FIREPLACE Height P OPENING Figure 6 Sidewalls and Surrounds E CHIMNEY REQUIREMENTS When planning your fireplace location the chimney construction and necessary clearances must be considered The fireplace system and chimney components have been tested to provide flexibility in construction The following figures are the minimum distances from the base of the fireplace 1 Minimum overall straight height 14 5 ft 2 Minimum height with offset return 14 5 ft 3 Maximum height 90 ft 4 Maximum chimney length between an offset and return 20 ft 5 Maximum distance between chimney stabilizers 35 ft 6 Double offset return minimum height 20 ft 7 Maximum unsupported chimney length between the offset and return 6 ft 8 Maximum straight unsupported chimney height above the fireplace 25 ft 08 04 31072 Rev G 11 Faeatilator The first name in fireplaces 12 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS 1 Using Offsets and Returns a To bypass any overhead obstructions the chimney may be offset using a 15 deg SL315 or 30 deg SL330 offset retur
43. ted and listed for use with the optional components listed on page 5 These optional components may be purchased separately and installed at a later date However installation of an outside air kit will require significant reconstruction and should be installed at the time of the initial fireplace installation Check with your local building code agency prior to installing this fireplace to ensure compliance with local codes including the need for permits and follow up inspections If you need assistance during installation please contact your local dealer or the Heatilator Technical Services Department Hearth amp Home Technologies Inc 1915 W Saunders St Mt Pleasant lowa 52641 1 800 843 2848 Heatilator is a registered trademark of Hearth amp Home Technologies Inc WARNING This fireplace and its components are designed to be installed and operated as a system Any alteration to or substitution for items in this system unless allowed by these installation instructions will void the Underwrit ers Laboratories listing and may void the product warranty It may also create a hazardous installation Read through these instructions thoroughly before starting your installation and follow them carefully throughout your project B DESCRIPTION OF THE FIREPLACE SYSTEM 1 The Heatilator fireplace system consists of the following a Fireplace Integral Grate Outside Combustion Air System Refractory Chimney Terminat
44. terials are used All required clearances to combustibles around the fireplace must be adhered to Chimney sections at any level require a 2 in minimum air space clearance between the framing and chimney section Note The top header may be positioned on the hemmed seam across the top of the fireplace assembly 2 in Minimum air space clearance Note Fireplace header cannot be positioned until the fireplace assembly is in place 33 5 8 in header height Use only noncombustible material below the top of the top standoffs Figure 5 Framing the Fireplace CLEARANCES A minimum 1 in air clearance must be maintained at the back and sides of the fireplace assembly except at the nail ing flange where the clearance is 1 2 in Chimney sections at any level require a 2 in minimum air space clearance be tween the framing and chimney section WARNING Do not apply combustible finishing materials over any part of the black face of this fireplace or a structure fire may result The black metal fireplace front may only be covered with noncombustible materials such as ce ramic tile brick or stone Do not cover or block any cooling air slots Do not cover any portion of the opening to the fireplace that would prevent the installation of an authorized glass door 10 31072 Rev G 08 04 meatilator MHC36 AND MHR36 INSTALLATION INSTRUCTIONS The first name in fireplaces o Sidewalls Surrounds Adjacen
45. with this fireplace and its use is required It is recommended to utilize the shortest duct run to optimize the performance of the outside air kit The outside air kit inlet thimble should be positioned at 3 least 4 ft above the ground level in a manner that will 0 pf iy oy not allow snow leaves etc to block the inlet Cc The outside air kit is installed on the left hand side of Cc the fireplace Remove the cover plate from the side of the fireplace assembly where the air kit is to be installed See Figure 16 for handle location operation Open lt gt Closed 11 Termination Cap Figure 16 Air Kit Handle Location a Install the chimney sections up through the ceiling roof When using the TR344 round termination cap the uppermost section of pipe must extend 6 in above the roof to allow installation of the Cet Meals storm collar and termination cap See Figure 17 The air kit handle may get hot while burning the fire ee place Use care when operating the handle b Install the termination cap following the instructions provided with it S S Chase Flashing I ou OT MRNA 2 in min Figure 17 Installing a TR344 Round Termination Cap 18 31072 Rev G 08 04 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS meatilator The first name in fireplaces 12 13 Complete the Enclosure Complete the fireplace enclosure allowing spa
46. y Starting a Fire Check the flue damper to be certain it is in the full open position Place crumpled or twisted paper under the fireplace grate Loosely arrange kindling or small pieces of wood to form a layer above the paper The fires must be built on the fireplace grate without danger of the burning fuel falling out of the fireplace opening Light the paper and add small pieces of wood until a hot bed of embers has been established After establishing the fire bed and the small firewood is burning briskly add a minimum of three average sized pieces of split firewood place the wood in such a manner to allow combustion air and flames between them 31072 Rev G MHC36 AND MHR36 INSTALLATION INSTRUCTIONS Note The first three or four fires should be of mod erate size to allow the oils and binders to be burned from the fireplace and the refractory and paint to cure You may notice an industrial odor the first few fires This is considered normal As you use the fireplace expansion and contrac tion will cause minor cracking of the refractory This is normal unavoidable and will not affect the per formance of the fireplace If the cracks become large enough that the metal behind the refractory is ex posed or large pieces fall out the panels should be replaced CAUTION Never use gasoline gasoline type lantern fuel kerosene charcoal lighter fluid or similar liq uids to start or freshen up a fire in t
47. ylon brush attached to a pole OR tie a small burlap bag filled with straw and several small stones or sand Work up and down the flue until the flue is clean e Replace the termination cap or housing top Clear Space Near the Fireplace Combustible materials must not be stored on the hearth extension Room furnishings such as drapes curtains chairs or other combustibles must be at least four feet from the open front of the fireplace 31072 Rev G WARNING A chimney fire can permanently damage your chimney system This damage can only be re paired by replacing the damaged component parts Chimney fires are not covered by the Lim ited Warranty and Buyer Protection Plan Remove screws i Top Cover lift top cover EEEE 3303 eese TR344 TR342 Round Termination Cap Figure 24 Chimney amp Termination Cap Cleaning 08 04 MHC36 AND MHR36 INSTALLATION INSTRUCTIONS meatilator The first name in fireplaces gt Air Clearance 16 19 Air Kit 7 18 Air Kit Handle Location 18 Ashes Disposal of 26 Attic Insulation Shield 16 WW Building Codes 4 13 17 21 O Chimney Checking the Assembly 16 Cleaning 26 Creosote 26 Height Requirements 13 Requirements 11 Securing the System 16 Chimney Bracket 7 Chimney Sections Assembling 15 Number Required 13 Codes 4 Building 4 13 17 21 Gas 19 22 Combustible Material 20 Combustible Material 21 Components 5 Construction 20 Creosote 26 O
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