Manual - Hearth & Home Technologies
Contents
1. End Right End Left Back Andiron Tube A Secondary Air Tube Part Number 30004306 30004335 30004327 30006706 30006707 30004326 30004329 30004330 30004331 30004334 30004308 30004309 30004307 30004321 30004377 Description Part Number Tube B Secondary Air Tube 30004378 Baffle 30004332 Top 30004310 Right Side Heat Shield Secondary Air 30004501 Left Side Heat Shield Secondary Air 30004500 Insulation End Ext 30004333 Air Plate 30004315 Pinion 30004320 Handle Wire 1604504 Handle Wood Black 1600663 Cover Top 30004316 Spring Friction 1201846 Front Refer to Enamel Parts Chart Hinge Half Body Upper 1604281 Insulation Bottom Heat Shield 30004402 30004403 Montpelier Medium Insert continued Montpelier Medium Insert Ref Description Part Number Ref Description Part Number 30 Bottom Heat Shield 30004393 41 Clip Glass 30001715 31 Base 30004313 42 Glass Ceramic 0 190 thick uncoated 30004325 32 Fan Kit Assembly 30004416 43 Pawl Assembly 1 Long Adjustable 30002362 Replacement Blower only 30004412 44 Front Steel Handle Shaft 30002717 Snapstat Wire Assy 30004406 45 Gasket Fiberglass 3 16 1203556 Snapstat Wire Assy 30005535 46 Gasket Fiberglass 3 8 1203589 Rheostat and Wire Assy 30004407 47 Hinge Half Door Upper 30004564 Power Cord 1601482 48 Door Refer to Enamel Parts Chart Snapstat 51704 49 Flange Top Surround 30004382 Snapstat Bracket 30005538 50 Filler Top Refer to Enamel Parts C2. Control Lever to the Right T1000 Fig 9 The air control lever controls the amount of air entering the firebox The Fans The convection fan delivers a steady stream of warm air into the room Use the fan speed control to regulate the flow of air into the room A thermal switch will automatically de activate the fan when the stove cools down When starting a fire in a cold stove this switch will typically energize the fan within about 60 minutes depending on wood species and fuel load The fan speed should be set at low fully closed when operating at low to medium burn rates and may be set anywhere between low and high when operating at high burn rates Refer to Figure 10 for fan access 30004403 XXX ye K Speed Control Open Bottom Louvre to access Fan controls Fig 10 Fan control access Burn Only High Quality Wood The Montpelier Medium Insert is designed to burn natural wood only do not burn fuels other than that for which it was designed You ll enjoy the best results when burning wood that has been adequately air dried Avoid burning green wood that has not been properly seasoned or cordwood that is more than two years old The best hardwood fuels include oak maple beech ash and hickory that has been split stacked and air dried outside under cover for at least one to two years For areas that do not have a supply of hardwood com monly burned so
3. VERMONT Montpelier Medium Insert Homeowner s Installation and Operating Manual NiqroccccvvvcvesscvcccvsroTTTTTToTTTT o K A o d Hee H For Use in North America If SAFETY NOTICE IF THIS APPLIANCE IS NOT PROPERLY INSTALLED OPERATED AND MAIN TAINED A HOUSE FIRE MAY RESULT TO REDUCE THE RISK OF FIRE FOLLOW THE INSTALLATION INSTRUCTIONS FAILURE TO FOLLOW INSTRUCTIONS MAY RESULT IN PROPERTY DAMAGE BODILY INJURY OR EVEN DEATH CONTACT LOCAL BUILDING OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION INSPECTION REQUIREMENTS IN YOUR AREA NATIONAL We recommend that our woodburning FIREPLACE hearth products be installed and serviced by professionals who are certified in the U S Lhe by the National Fireplace Institute NFI as regon USA NFI Woodburning Specialists or who are Tested amp Listed By s us certified in Canada by OMNI Test Laboratories inc Wood Energy Technical Wood Energy 259 S 13 2 hear sleip Training WETT iseiti The French language version of this manual is available online www vermontcastings com La version fran aise de ce manuel est disponible en ligne www vermontcastings com Do Not Discard This Manual Retain for Future Use 30004403 0515 Rev 17 Montpelier Medium Insert Introduction Thank you for purchasing a Vermont Castings Montpelier Medium Insert an efficient wood stove carefully engineered to bring you the latest in wood combustion p
4. has cooled Wear protective eyewear and a dust mask The procedure is the same for all gaskets 1 Remove the existing fiberglass gasket by grasping an end and pulling firmly 2 Use a wire brush or the tip of a screwdriver to clean the channel of any remaining cement silicone or bits of gasket 3 Apply a thin bead of high temperature silicone to the newly cleaned groove A 1 8 3 16 bead is sufficient 4 Place a new gasket into the groove Wait until you have placed all but a couple inches from the end before you trim the end to an exact fit 15 Montpelier Medium Insert Replacing the Door Gaskets e Remove the door by lifting it straight up from its hinge pins e Lay it face down on a padded surface e Remove the glass Follow the instructions for re moving and replacing glass which start on Page 15 e Replace gaskets Follow steps 1 4 above e Replace the glass e Replace the door The Chimney System A Clean Chimney System is Safer and Works Better Although the non catalytic combustion system in your Montpelier Medium Insert can reduce creosote formation dramatically it is not a substitute for regular inspection and cleaning of the chimney and chimney connector Learn to Recognize And Avoid Creosote Your Montpelier Medium Insert has been designed to minimize creosote build up Regular chimney inspection and maintenance however must still be performed For safety good stove performance a
5. FOR INCIDENTALAND CONSEQUENTIAL DAMAGES ALL IMPLIED WARRANTIES INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS ARE LIMITED TO THE DURATION OF THIS WRITTEN WARRANTY THIS WARRANTY SUPERCEDESALL OTHER ORAL OR WRITTEN WARRANTIES Some states do not allow the exclusion or limitations of incidental and consequential damages or limitations on how long an implied warranty lasts so the above limitations may not apply to you This warranty gives you specific rights and you may have other rights which vary from state to state How to Obtain Service Ifa defect is noted within the warranty period the customer should contact a Vermont Castings Authorized Dealer or Vermont Castings Group if the purchase was direct with the following information 1 Name address and telephone number of the purchaser Date of Purchase Serial number from the label on the back Nature of the defect or damage Any relevant information or circumstances e g installation mode of operation when defect was noted A warranty claim will then start in process Vermont Castings Group reserves the right to withhold final approval of a warranty claim pending a visual inspection of the defect by authorized representatives Ore Go VERMONT CASTINGS GROUP
6. Insert weight cee 335 Ibs 152 kg Primary Air Control 0 eccceecceeeeeeeeeeeeenteeeeeeeaes Manual Glass paniel 0000 High temperature ceramic Flue exit POSitiOn eceeeeessceeeceeeeeeeeteeeeeseeaeees Top Blower rating 150 cfm 115V 60Hz Power Cord Length 6 foot useable installed lt 26 680 mm gt h 2214 564 mm SS ST iTi Fig 1 Montpelier Medium Insert dimensions 30004403 Efficiency determined by CSA B415 10 Under specific test conditions used during EPA emissions standard testing This value can vary depending on how the unit is oper ated and the type and moisture content of the fuel used The figure shown is based on maximum fuel consumption obtained under laboratory conditions and with average efficiencies These values are based on operation in building code conforming homes under typical winter climate conditions in New England If your home is of nonstandard construc tion e g unusually well insulated not insulated built under ground etc or if you live in a more severe or more temperate climate these figures may not apply Since so many variables affect performance consult your Vermont Castings Authorized Dealer to determine realistic expec tations for your home E 1414 362 mm gt Montpelier Medium Insert Installation SAFETY NOTICE
7. dirt you must use a floor protector that satisfies the above requirements A 18 includes some form of thermal designation such as R value thermal resistance or k factor thermal conductivity Procedure 1 Convert specifications to R value i R value given no conversion needed ii k factor is given with a required thickness T in inches xT iii K factor is given with a required thickness T in inches R _ 5 xT iv r factor is given with a required thickness T in inches R rxT 2 Determine the R value of the proposed alternate floor protector i Use the formula in Step 1 to convert values not ex pressed as R ii For multiple layers add R values of each layer to determine overall R value 3 If the overall R value of the system is greater than the R value of the specified floor protector the alternate is acceptable 30004403 Montpelier Medium Insert EXAMPLE The specified floor protector should be 114 thick material with k factor of 0 84 The proposed alternate is 4 brick with an r factor of 0 2 over 1 4 mineral board with a k factor of 0 29 Step a Use formula aboye to convert specification to R value aX Od x 1 25 1 49 Step b Calculate R of proposed system 4 brick of r 0 2 therefore R rix 0 2 X 4 0 8 1 8 mineral board of k 0 29 therefore x 0 25 0 431 R ninoralboard z 0 29 R R R 0 8 0 431 1 66 total brick Step c Compare proposed sy
8. mm diameter extending from the fireplace insert to the top of the chimney The chimney liner must conform to the Class 3 requirements of CAN ULC S635 Standard for Lin ing Systems for Existing Masonry or Factory Built Chimneys and Vents or CAN ULC S640 Standard for Lining Systems for New Masonry Chimneys e The opening of the fireplace around the insert must be sealed to prevent room air passing to the fireplace cavity e Existing air circulation chambers in a fireplace with a steel liner may not be blocked e Provision must be made for removal of the insert to clean the chimney flue e The existing fireplace damper if any should be locked in the open position 30004403 Montpelier Medium Insert e Apermanent metal warning label must be affixed to the back of the fireplace stating the fireplace may have been altered to accommodate the insert and may be unsafe to use as a conventional fireplace A Fireplace Modification Tag is included in the hardware bag inside the Montpelier Medium Insert Minimum Fireplace Dimensions The Montpelier Medium Insert will fit most fireplaces To confirm that it will fit yours measure the lintel depth plus the height width and depth of your fireplace and hearth Compare them to the measurements in the accompany ing chart If you choose to install a new hearth over an existing fireplace hearth be sure to take its thickness into consideration when measuring both front and back height of t
9. wish to install a detector in the immediate vicinity of the Montpelier insert Depending on the sensitivity of the unit the alarm can be set off while you are tending the fire or emptying the ashes If you in stall a detector in the same room locate it as far away from the insert as possible 30004403 Montpelier Medium Insert Safety Tips Conveniently locate a Class A fire extinguisher to con tend with small fires Be sure the fire extinguisher works and is clearly visible All occupants of the house should know where it is and how it operates Have heavy stove gloves available near the insert Have special safety accessories e g Child Guard Screen available for use if small children will be in the home In the event of a stove pipe or chimney fire e Evacuate the house immediately e Notify the fire department If the fire isn t too threatening closing down the insert tight damper primary air all doors will help to smoth er the fire e Inspect your insert stove pipe and chimney for any damage caused by the fire and correct any damage before using your insert again Montpelier Medium Insert Your Insert s Controls and What They Do All Montpelier Medium Insert controls are conveniently located on the front Fig 8 Two controls regulate the performance of your Montpelier Medium Insert The primary air control supplies oxygen for the fire The variable speed fan control or rheostat regul
10. IF YOUR MONTPELIER MEDIUM INSERT IS NOT PROPERLY INSTALLED A HOUSE FIRE MAY RESULT TO REDUCE THE RISK OF FIRE FOLLOW THE INSTALLATION INSTRUCTIONS CON TACT LOCAL BUILDING OR FIRE OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION INSPECTION REQUIREMENTS IN YOUR AREA Requirements for Existing Fireplaces The Montpelier Medium Insert is listed for installation within a properly built masonry or heat circulating ma sonry type fireplace that is constructed in accordance with the requirements of recognized building codes A heat circulating masonry type fireplace must conform to building code standards for masonry fireplaces and must consist of a factory built metal firebox with air circulation pathways that are surrounded by masonry materials Air circulation pathways must not be blocked by the insert or surround panels The fireplace and chimney must be clean and structurally sound Have them inspected by a qualified professional chimney sweep a mason or your Vermont Castings Authorized Dealer before the Montpelier Medium Insert is installed Any deterioration cracks loose mortar or loose bricks must be repaired Codes may permit removal of the damper in order to make a positive vent connection between the firebox and the chim ney However the fireplace should not be modified in any way without first checking with your local building inspector or fire marshal Provision should be made to restore the fireplace to its original cond
11. and cleaning of the chimney Reverse the procedure to re install the firechamber Fireplace System Maintenance Schedule Fireplace Daily e Ash should be removed before the level reaches the top edge of the front brick Check each time you re load or at least once a day e Keep the area around the fireplace clear of any combustible material Yearly Spring Cleaning e Remove ash from the firebox and replace with a moisture absorbing material such as kitty litter to keep the interior of the stove dry e Touch up painted surfaces with black paint 30004403 Flex Connection Two Months e Inspect the chimney and flue connection Clean the system if necessary Yearly Spring Cleaning e Disassemble the flue connection and take it outdoors for inspection and cleaning Replace weak sections of connector e Inspect the chimney for signs of deterioration Repairs to a masonry chimney should be made by a professional mason Replace damaged sections of prefabricated chimney Your local Vermont Castings dealer or a chimney sweep can help determine when replacement is necessary e Thoroughly clean the chimney For parts and information about your insert contact your Vermont Castings authorized dealer For the name of the dealer nearest you contact Vermont Castings Group 149 Cleveland Drive Paris KY 40361 800 668 5323 In the event of component failure it is very important to replace with equipment equivale
12. ar bill and at tempt to pull it free If the bill is freed with little resistance the gasketisn t snug enough at that spot Continue to make small adjustments until the setting is right If additional adjusting of the latch does not enable the door to seal sufficiently in one area try adjusting the gasket in that area Pack more cement or a smaller diameter gasket into the channel beneath the gasket so the main gasket is raised and makes contact with the door frame If this procedure doesn t solve the problem replace the gasket Instructions for gasket replacement are given later in this section 30004403 IMPORTANT NOTES Do not operate the Montpelier Medium Insert if the glass is damaged or broken Do not abuse glass by striking with any object or by slamming the door Replace glass only with Vermont Castings Group high temperature ceramic glass available from your Vermont Castings authorized dealer HOT GLASS WILL CAUSE BURNS DO NOT TOUCH GLASS UNTIL COOLED NEVER ALLOW CHILDREN TO TOUCH GLASS Removing and Replacing Door Glass Follow this procedure to replace glass e Open the door and loosen the four retaining clip screws that hold the glass to the door Swing the clips out of the way Tilt the glass away from the door frame and lift up Fig 13 Wear gloves and use caution when handling broken glass Door Gasket Glass Panel Retainer Clips 4 ST999 Fig 13 Replace gla
13. ates the warm air flow into the room Air Control Lever D l g __ _ Q BN a a SEO od TLORISA ILK ICON RKRN N jl LELI BERBEK gt RRRA E alk Fan Speed Control Behind louvre Fig 8 Montpelier Medium Insert controls Primary Air Control A single air control regulates the amount of heat the fire will produce and how long it will burn The primary air control lever is located on the upper left side on the front of the insert The lever regulates air for starting maintaining and reviving the fire Generally more air entering the stove makes the fire burn hotter and faster while less air prolongs the burn WARNING This wood heater has a manufactured set minimum low burn rate that must not be altered It is against federal regulations to alter this setting or otherwise operate this wood heater in a manner inconsistent with operating instructions in this manual 10 The Montpelier Medium Insert s air supply is increased when the control lever is moved to the left and decreased when moved to the right It may be set anywhere between the two extremes depending on the amount of heat de sired Fig 9 To complement the manual setting of the air control the Montpelier Medium Insert has an integral convection air blower that ensures an even delivery of heat at the manual setting you select ____ Air Control Lever lt a Open Control Lever to the Left if Closed
14. ce from here Fireplace Clearances 3 Extended Mount 44 1130 mm Flush Mount 47 1207 mm B Top Trim 1 47 1207 mm 36 927 mm C Side Trim 21 533 mm 21 533 mm Where side trim extends more than 1 38 mm from the fireplace facing the side clearance must be no less than 26 673 mm this is also the required side wall clearance A Mantel Measure the side clearance C from the exact center of your fireplace opening on the hearth X Measure the top trim B and or mantel clearances A from the finished hearth surface Measure the front clearance to furnishings etc from the fireplace face Fig 4 Observe these clearances to combustible trim Unless the fireplace and hearth are constructed over a completely non combustible surface such as unpainted concrete over dirt a thermal floor protector must be used in front of and to the sides of the door as protection against spilled coals and embers and heat radiated from the front of the insert Floor protectors must extend at least 8 203 mm from the side of the insert making the protector 44 1137 mm wide In addition the floor protector must extend from the front door opening a minimum of 16 406 mm in the United States and 18 457 mm in Canada Fig 5 The approved construction of a floor protector calls for a minimum of 24 gauge galvanized sheet metal or equiva lent and the equivalent of 1 25 32 mm of a material with k value o
15. e Instructions for Future Reference Table of Contents The Montpelier Medium Insert is designed Specifications Installation Smoke Alarm Safety Tip The Montpelier Medium Insert is not listed for Operation mobile home installations tested and listed for burning wood Do not burn other fuels Maintenance Failure to follow these instructions may result in Optional Accessories property damage bodily injury or even death Replacement Parts WARNING Warranty This stove has not been tested with an unvented gas log set To reduce the risk of fire or injury do not install an unvented gas log set into this Proposition 65 Warning Fuels used in gas wood fireplace burning or oil fired appliances and the products of combustion of such fuels contain chemicals known to the State of California to cause cancer birth defects and other reproductive harm California Health amp Safety Code Sec 25249 6 2 30004403 Montpelier Medium Insert Specifications Montpelier Medium Insert EPA Emissions Rating 3 0 g hr Efficiency HAME wen 2 cee etaad testa sdde cede eee Rie 69 Range of heat output 10 100 27 550 BTU hr Maximum heat output cece 40 000 BTU hr Areaheated T inann a eee 1 500 sq ft Size of wood splits 18 22 460 560 mm Fuel Capacity ccccseeeeeeeeesteeeeeeenes 30lbs 13 5kg LOAGING orisa iae aE A vinta aie Front FIUS SZE 5 ctite tition eae iis 6 150mm Fireplace
16. e firechamber to inspect or clean the chimney this is how to do it e Let the Montpelier Medium Insert cool e Disconnect the fan power cord e You may wish to lighten the firebox by removing the load door and andiron e Retract the two levelling screws until they bear no weight e Remove the front air tube and fiber baffle e Disconnect the flue collar or vent connector from the top of the stove e Slide the firechamber forward until you have access to the fireplace opening e Inspect the flue You can now inspect the smoke shelf area of the fireplace and the chimney Before replacing the Montpelier Medium Insert this area should be inspected for signs of deteriora tion and cleaned thoroughly with a chimney brush Clean the chimney using a specially designed brush the same size and shape as the flue liner Flexible fiberglass rods are used to run the brush up and down the liner caus ing any deposits to fall to the bottom of the chimney where they can be removed through the clean out door The chimney connector should be cleaned by disconnect ing the sections taking them outside and removing any deposits with a stiff wire brush Reinstall the connector sections after cleaning being sure to secure the individual sections with sheet metal screws If you can t do the chimney inspection yourself contact your local Vermont Castings Authorized Dealer or engage a professional chimney sweep to perform the inspection
17. e of the Cast iron Surface An occasional dusting with a dry rag will keep the painted cast iron of your Montpelier Medium Insert looking new If the paint needs retouching first allow the surface to cool completely Mask glass trim parts and enamelled areas Wire brush those areas to be painted Touch up with high temperature stove paint available from your local dealer Apply the paint sparingly Two light coats are better than one heavy one Care of the Porcelain Enamel Surface Use a soft brush as necessary Do not use water or other liquids on your Montpelier Medium Insert Fingerprints usually can be buffed off porcelain enamel with a dry soft cloth If marks remain allow the Montpelier Medium Insert to cool completely then buff with a slightly damp soft cloth Dry completely before starting a fire to avoid streaking Never use abrasives or harsh chemical cleaners on the porcelain enamel finish the enamel may scratch and expose the cast iron which can then stain or rust If you must remove spills or stains from porcelain surfaces make sure the fire is out and the Montpelier Medium Insert has cooled completely before cleaning Use a kitchen ap pliance cleaner and or polish specifically formulated for enamel surfaces Apply the cleaner sparingly with a soft cloth and buff away all traces Cleaning the Glass The Montpelier Medium Insert glass system requires a minimum amount of cleaning Most carbon deposits that accumu
18. e side nearest the power supply and test the fans 30004403 8 Connect the Flue Collar From inside the stove reach up and pull the flue collar into place by lining up the two 1A studs in the stove top Care should be taken to not disturb the gasket which seals the collar to the top Tighten the two 14 nuts e Replace the three rear stainless steel air tubes by sliding them first to the right and then into the mat ing holes on the left Secure these in place with the stainless steel cotter pins e Before installing the front air tube replace the fiber baffle board and ensure it slides all the way to the back There should be a tight fit between the board and the iron sides of the stove e Replace the front air tube and secure it in place with the cotter pin 9 Connect the Blower power cord to the power supply DO NOT ROUTE THE POWER CORD UNDER OR IN FRONT OF THE UNIT 10 Install the supplied wooden handle by twisting clockwise onto the primary air control Fig 7 This completes installation of your Montpelier Medium Insert Smoke and CO Detectors The use of smoke and carbon monoxide CO detectors throughout the home is strongly advised even if not re quired by building codes or insurance regulations It is a good idea to install a smoke detector in the living ar eas and each bedroom Follow the smoke CO detector manufacture s placement and installation instructions and maintain regularly You may not however
19. f 0 84 or less Custom made floor protectors may be used if they offer the same protection Millboard has a standard k value of 0 84 and thus 1 32 mm of this material is adequate thermal protection Custom builtfloor protectors must have ak value equal to or less than 0 84 meaning that heat will transfer at the same rate or more slowly than the tested standard How to Determine if Alternate Floor Protection Materials are Acceptable All floor protection must be noncombustible i e metals brick stone mineral fiber boards etc Any organic materi als i e plastics wood paper products etc are combus tible and must not be used The floor protection specified 30004403 United States Canada 460 mm 18 460 mm B 8 203 mm 8 203 mm C 44 1137 mm 44 1137 mm Typically thermal protection with the above dimensions will be re quired The equivalent of 1 25 32 mm of a material with a k value 0 84 or a total R value of 1 49 is necessary If the insert is elevated 8 4 216 mm or more above a combustible hearth thermal protection is not needed However spark and ember protection is still necessary If the insert is elevated 3 76 mm or more with the optional hearth extension this dimension may be reduced to 16 406 mm US only beyond which no thermal protection is necessary FP1095 Fig 5 Unless your fireplace and hearth are constructed over a dirt floor or unpainted concrete over
20. f the kindling pile followed by smaller and smaller pieces as the pile is added to Very finely split pieces should be on the top Light the kindling pile with a match at the top and allow the kindling to burn downward into the larger pieces This reduces smoke by slowly increasing the fire size without creating an air starved condition 12 You ll soon find that the insert is HOT WHILE IN OPERA TION KEEP CHILDREN CLOTHING AND FURNITURE AWAY CONTACT MAY CAUSE SKIN BURNS NOTE Some chimneys need to be primed or warmed up before they will draw sufficiently to start a fire To cor rect this situation roll up a couple pieces of newspaper place them on top of the kindling and toward the back of the stove light them and close the doors This should heat the chimney enough to initiate a draft Once the draft is established open the front door and light the rest of the fuel from the bottom Do not light the main bed of fuel until the chimney begins drawing and repeat the procedure as often as necessary if the initial attempt is unsuccessful 4 Once a good ember bed of at least 3 4 76 102 mm has formed add the desired amount of wood and close the primary air control to a medium low setting The fire volume will diminish immediately but the Montpelier Medium Insert will continue to heat up Maintain control of the fire using the primary air control and remember reduce the setting for less heat increase the setting fo
21. ftwoods include tamarack yellow pine white pine Eastern red cedar fir and redwood These too should be properly dried Your Montpelier Medium Insert will accept wood up to 18 460mm Longer wood pieces work better than short ones Wood should be stored under cover to maintain dryness Even for short term storage however keep wood a safe distance from the heater and keep it out of the areas around the heater used for re fueling and ash removal Use the Air Control Settings that Work Best for You No single air control setting will fit every situation Settings for each installation will differ depending on the quality of the fuel the amount of heat desired and how long you wish the fire to burn The control setting also depends on your particular draft or the force that moves air from the stove up through the chimney Draft is affected by such things as the length type and location of the chimney weather local geography nearby obstructions and other factors 30004403 Montpelier Medium Insert Too much draft may cause excessive temperatures in the Montpelier Medium Insert and could even damage internal components On the other hand too little draft can cause backpuffing into the room or a very sluggish fire How do you know if your draft is excessively high or low Symptoms of too much draft include an uncontrollable burn or glowing red cast iron A sign of inadequate draft is smoke leaking into the ro
22. hart D Knob 1604419 51 Panel Refer to Enamel Parts Chart 33 Ashlip Refer to Enamel Parts Chart 52 Panel Door Refer to Enamel Parts Chart 34 Bottom Assembly 30004797 53 Pin Door 30004384 35 Cover Power Cord 30004379 54 Cover Plate Bottom Air 30004419 36 Shroud Outer 30004392 55 Snapstat Bracket 30004519 37 Shroud Top 30004614 56 Handle Wood Black 1600664 38 Flue Collar 30004317 57 Handle Screw 1201310 39 Flange Right Side Surround 30004381 58 Airwash 30004314 40 Flange Left Side Surround 30004380 59 Hinge Spacers 30004708 NOTES Use if wire assembly is attached to firebox Pre 2 24 11 Use if bracket is attached to firebox Pre 2 24 11 Shell Enamel Parts Montpelier Medium Insert Brown Majolica Part Name 30004903 Front Door Ashlip Front Panel Panel Door Top Filler 30004403 19 Limited Lifetime Warranty For Vermont Castings Montpelier Non Catalytic Medium Insert Limited Lifetime Warranty Vermont Castings Group warrants that all refractory brick and material used inthis product willbe warranted against deterioration not resulting from physical damage or overloading of the wood stove for the lifetime of this product This coverage includes the components of the EverBurn System shoe fountain and fireback Coverage is provided only to the original purchaser Limited 3 Year Warranty All cast iron parts are warranted for a period of three years against breakage cracking
23. he fireplace and clearances to any existing trims and mantels The unit can be installed virtually flush with the fireplace opening or it can extend 3 76 mm onto the hearth using the optional 3 Hearth Extension Kit Figure 3 gives min imum and maximum dimensions for fireplaces which will accommodate the Montpelier Medium Insert in the flush mount configuration and using the optional extension kit NOTE The clearance between the Montpelier Medium Insert and the mantel top trim and side trim cannot be reduced by installing shields Another requirement to consideris the clearance for movable items such as tables bookcases rugs furnishings and your woodbox All combustible materials of this type should be a minimum of 48 1220 mm from the front surface of the Montpelier Medium Insert Be sure that family members are aware of this requirement as well so they too will keep objects a safe distance from the Montpelier Medium Insert Montpelier Medium Insert Fireplace Minimums Flush Mount 3 Extended Mount Width at Face 27 686 mm Width at Dimension C 22 572 mm 22 572 mm Depth 17 445 mm 14 368 mm Height at Face 21 546 mm 21 546 mm Height at Dimension C 21 546 mm 21 546 mm Fireplace Maximums 8 216 mm Width 41 1054 mm Height 28 724 mm 1 The minimum depth must be maintained from the flo
24. heat up enough to sustain an adequate draft Such a flue can often be improved if it is relined to reduce its size and or insulated to keep it warmer e A positive flue connection must be made between the Insert and the first masonry tile or prefabricated metal chimney section A positive flue connection consists of a plate that seals or replaces the fireplace damper and a section of chimney connector that passes through the plate into the chimney e The chimney connector must be a minimum equiva lent to a 6 152 mm diameter opening and must be 24 gauge or heavier stainless steel The connector must extend four 4 feet measured from the collar of the insert Chimney Connection systems are available from a variety of manufacturers Your Vermont Castings dealer can rec ommend a system that will best meet the requirements of your particular installation Sealing Requirements U S e The chimney must be sealed off from room air ei ther by a plate at the damper level or by sealing the fireplace opening e Unused openings to the flue must be sealed with ma sonry to the thickness of the chimney wall Openings sealed with pie plates or wallpaper are a hazard In the event of a chimney fire flames and smoke may be forced from the openings Canada In Canada CAN CSA B365 M91 Section 5 whether installed in a masonry or factory built fireplace e This fireplace insert must be installed with a continu ous chimney liner of 6 152
25. ified unless authorized by a Vermont Castings Group rep resentative in writing This warranty does not cover damage to the stove caused by burning salt saturated wood chemically treated wood or any fuel not recommended in the Owners Guide 4 This warranty does not cover a stove repaired by someone other than a Vermont Castings Authorized Dealer 5 Damage to the unit while in transit is not covered by this warranty but is subject to a claim against the common carrier Contact Vermont Castings Authorized Dealer from whom you purchased your stove or Vermont Castings Group if the purchase was direct Do not operate the stove as this may negate the ability to process the claim with the carrier 149 Cleveland Drive Paris Kentucky 40361 www vermontcastingsgroup com 6 Claims are not valid where the installation does not conform to local building and fire codes or in their absence to the recommendations in our Owners Guide 7 The salt air environment of coastal areas or a high humidity environment can be corrosive to the porcelain enamel finish These conditions can cause rusting of the cast iron beneath the porcelain enamel finish which will cause the porcelain enamel finish to flake off This warranty does not cover damage caused by a salt air or high humidity environment 8 Vermont Castings Group shall have no obligation to enhance or update any unit once manufactured IN NO EVENT SHALL Vermont Castings Group BE LIABLE
26. ing the holes in the iron collar as a guide e Secure the flexible pipe to the pipe adaptor using the same method e Install the connector pipe or liner so that the height measured from the finished hearth surface to the center bar of the flue collar is 19 483 mm Fig 7 This will allow an easy connection once the stove is rolled into place Flexible Flue Liner Flex Liner Adapter if required Adjustable 26 or verti cal Flue Collar w Inte grated Draw Down Bar Top of the Insert Around Flue Opening Washers 1 4 Dia 1 4 20 Hex Nuts ST1002 Fig 6 Components of the venting system Twist on Wood Handle ST1003 Fig 7 Measured height from the finished hearth surface to the center bar of the flue collar 5 Route the blower power cord Run the power cord out the left or right side of the insert Remove the cover plate and insert the provided grommet into the slot Reattach the cover plate NOTE DO NOT RUN THE POWER CORD UNDER OR IN FRONT OF THE UNIT 6 Install the Optional Surround Kit Follow the instruc tions provided with the kit 7 Roll the Firebox into Position At least two people will be needed to move the firebox Lift the front of the stove slightly to put weight on the rear wheels to ease installation Position the firebox so the flue collar lines up with the connector Use the leveling screws at the front of the Insert to adjust the level Route the power cord to th
27. ition if the insert is removed Do not remove bricks or mortar that may jeopardize the compliance of the fireplace with local building codes The Montpelier Medium Insert is not listed for instal lation in factory built fireplaces Requirements for Existing Chimneys Chimney requirements differ for the U S and Canada Specifications for each are listed below Connect the insert to the chimney in accordance with local codes and the requirements of the listing agency as specified in this manual Chimney Height U S and Canada Chimney height should be no less than 15 4 5 m above the hearth and no more than 35 10 5 m The chimney should extend at least 3 914 mm above the highest point where it passes through a roof and at least 2 610 mm higher than any portion of a building within 10 3 m Fig 2 DO NOT CONNECT YOUR MONTPELIER MEDIUM INSERT TO A CHIMNEY FLUE SERVING ANOTHER APPLIANCE 4 a 0To10 2 Va t to Min Reference Point Fig 2 The 2 3 10 rule for chimneys In the U S ANSI NFPA 211 1988 when installed in a masonry fireplace e Aconnector must extend from the flue collar to the flue liner e fa stainless steel liner is not used the connector must extend at least four 4 feet from the flue collar of the insert e Thecross sectional area of the fl
28. late will burn off during hot fires Ash residue that accumulates on the glass should be re moved periodically to prevent etching To clean the glass use the following procedure e Be sure the glass is completely cool e Cleaning with water will work in most cases Use a glass cleaner especially made for this purpose only if deposits are specially heavy If heavy deposits are a frequent occurrence however evaluate your operating techniques Do not use abrasive cleaners e Rinse the glass thoroughly e Dry the glass completely Adjust the Door Latch Periodically The front door of the Montpelier Medium Insert should close securely to prevent accidental opening and should close tightly to prevent air from leaking into the fire chamber The door handle will be positioned vertically when the door is closed Over a period of time the gasket around the door will compress and the latch may need adjustment To adjust the handle follow this procedure 1 Loosen the small lock nut with a 7 16 wrench Fig 12 2 Extend the striker screw one turn by turning it with a 1 8 Allen wrench 3 Re tighten the lock nut while at the same time holding the striker screw with the Allen wrench to prevent its turning Pawl Small Locking Nut N Striker Screw Set Screw Handle Stub Fig 12 Turn the door latch striker screw in or out to tighten or loosen the door latch Test the door seal Close the door on a doll
29. nd to protect your chimney and chimney connector inspect your chimney and chim ney connector on a regular schedule Clean the system if necessary Failure to keep the chimney and connector system clean can result in a serious chimney fire Creosote Formation and Need for Removal When wood is burned slowly it produces tar and other organic vapors which combine with expelled moistue to form creosote The creosote vapors condense in the relatively cool chimey flue of a slow burning fire As a result creosote residue accumu lates on the flue lining When ignited this creosote makes an extremely hot fire The chimney and chimney connector should be inspected at least once every two months dur ing the heating season to determine if a creosote buildup has occurred If creosote has accumulated it should be removed to reduce the risk of a chimney fire If you do experience a chimney fire act promptly to e Close the primary air control lever fully to the right e Get everyone out of the house e Call the Fire Department from a nearby house You should inspect the system every two months during the heating season as part of a regular maintenance sched ule To inspect the chimney let the Montpelier Medium Insert cool completely Then using a strong light sight up through the flue collar into the chimney flue The fiber baffle will need to be removed gently to view inside the connector pipe 16 If it is necessary to remove th
30. nt to the Vermont Cast ings original parts Montpelier Medium Insert Optional Accessories Georgian Cast Surround Model Color 30DVSGTKCB Classic Black 30DVSGTKBM Brown Majolica Mead Cast Surround Model Color MEAD3CB Classic Black MEAD3BM Brown Majolica Caprice Cast Adjustable Profile Surround Model Color CAPCB Classic Black Steel Surround Model Color LHE30SSB Classic Black Small LHE30SLB Classic Black Large Extended Trim Plate LHE30TCK Cannot be used alone 30004403 DIY Inside Fit Surround Kit DIYSK Includes template brackets and instruc tions Additional materials must be pur chased locally 3 Extension Package Model M3PKCB Trim Kit Base Risers for use with most surrounds Model LHE30OR1 1 Black LHE3OR2 2 Black LHE30R5 5 Black Note Trim kit base risers are not for use with the M3P KCB Montpelier 3 Projection Kit Color Classic Black 17 Montpelier Medium Insert Vermont Castings Group reserves the right to make changes in design materials specifications prices and discontinue colors and products at any time without notice Montpelier Medium Insert Ref 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Ref 1 2 3 4a 4b Description Bottom Insulation Bottom Low Brick Bottom Low Brick Bottom Slanted Right Brick Bottom Slanted Left Brick Back Brick Bottom Up Brick Right End Brick Left End Insulation End Int
31. om through the stove or chimney connector joints low heat and dirty glass In some newer homes that are well insulated and weather tight poor draft may result from insufficient air in the house In such instances an open window near the stove on the windward side of the house will provide the fresh air needed When first using the stove keep track of the settings of the air controls You will quickly find that a specific setting will give you a fixed amount of heat It may take a week or two to determine the amount of heat and the length of burn you should expect from various settings Most installations do not require a large amount of combus tion air especially if adequate draft is available Do not for any reason attempt to increase the firing of your heater by altering the air control adjustment range outlined in these directions Use the following primary air control lever and fan speed control lever settings as a starting point to help determine the best settings for your installation Montpelier Medium Insert Control Settings Primary Air Air Circulation Burn Control Fan Control Rate Setting Speed Position High Fully left High Medium full right Low Fully right Horizontal 1 from Low Turn clockwise Off Turn counterclockwise Starting and Maintaining a Wood Fire Burn solid wood fuel only in the Montpelier Medium Insert and burn it directly on the grate Do not elevate the fuel Do not burn coal or
32. ood dry wood to wood that is partially rotted or inadequately seasoned To compensate for these factors in cold climates it may be necessary to operate the Montpelier Medium Insert for longer periods of time with the air control set to a higher level more of the time 30004403 Montpelier Medium Insert Remove and Store Ash Safely Check the ash level before reloading the stove remove ashes if necessary Turn off the fan before shoveling the ash into your ash container Remove ash regularly typically every one to three days The frequency will vary depending on how you operate your Montpelier Medium Insert more wood is consumed at higher heat output settings and ash will accumulate faster Disposal of Ashes Ash should be removed frequently and placed outdoors in a metal container with a tight fit ting lid The closed container of ash should be placed ona non combustible floor or on the ground well away from all combustible materials pending final disposal If the ash is disposed of by burial in soil or otherwise locally dispersed it should be retained in the closed container until all cinders have thoroughly cooled Wood ash may be used as a gar den fertilizer CAUTION Never use your household or shop vacuum cleaner to remove ash from the fireplace always remove and dispose of the ash properly 13 Montpelier Medium Insert Maintenance Keep Your Montpelier Medium Insert Looking New and Working Its Best Car
33. or burn through Limited 1 Year Warranty The following part of the woodburning stove are warranted to be free of defects in material and workmanship for a period of one year from the date you receive it The handles glass door panels door gasketing and porcelain finish Any of these items found to be defective will be repaired or replaced at no charge upon the return of the part with postage prepaid to a Vermont Castings Authorized Dealer Any parts repaired or replaced during the limited warranty period will be warranted under the terms of the limited warranty for a period not to exceed the remaining term of the original limited warranty or six 6 months whichever is longer Exclusions amp Limitations 1 This warranty is non transferable 2 This warranty does not cover misuse of the stove Misuse includes overfiring which will result if the stove is used in such a manner as to cause one or more of the plates to glow red Overfiring can be identified later by warped plates and areas where the paint pigments has burned off Overfiring in enamel stoves is identified by bubbling cracking chipping and discol oration of the porcelain enamel finish Vermont Castings Group offers no warranty on chipping of enamel surfaces Inspect your woodburning stove prior to accepting it for any damage to the enamel 3 This warranty does not cover misuse of the stove as described in the Owners Guide nor does it cover a stove which has been mod
34. or of the fireplace to a height of 211 540 mm Lintel depth 2 Though the Montpelier Medium Insert will fit into larger fireplaces the decorative optional Vermont Castings Group Surround Panels will not completely cover the fireplace opening if these dimensions are exceeded Custom made trim pieces may be used Fig 3 Use these measurements to confirm that the Montpelier Medium Insert will fit into your masonry fireplace Clearance Requirements After confirming that your fireplace is the right size check the clearance to combustibles First mark with tape the exact center of your fireplace opening on the hearth Measure the side clearance from this point Measure the top trim and or mantel clearances from the finished hearth surface Measure the front clearance to furnishings etc from the fireplace face Fig 4 Hearth Requirements In some fireplaces the hearth in front of the fireplace open ing is brick stone slate or some other non combustible material that is in direct contact with concrete poured over earth These are the only hearths that are considered noncombustible In other fireplaces the brick or concrete hearth in front of the fireplace opening is supported by heavy wooden framing Because neither brick nor concrete has good insulating properties heat radiated by the fire will pass downward through the hearth to the wooden framing Such hearths are considered combustible 6 Measure side trim clearan
35. other fuels Cast iron is a superior material for solid fuel stoves but it must be treated with respect Itis extremely strong but can be broken with a sharp blow from a hammer or from the thermal shock of rapid and extreme temperature changes It is important to temper the cast iron plates with an initial series of 3 4 break in fires The plates expand and contract with changes in temperature Minimize thermal stress by allowing the plates to adjust gradually during the break in fires by following Steps 1 3 on the following page 11 Montpelier Medium Insert WARNING Operate your Montpelier Medium Insert only with the door fully closed If the door is left partially open gas and flame may be drawn out of the fireplace opening creating risks of both fire and smoke Follow these guidelines as you start and maintain the fire and remove the ashes Prior to starting a fire with a cold stove it is recommended to clear the lower primary air holes located under the front brick To do this remove the andiron and lift out the front refractory brick Sweep any ash accumulation out of the three 3 air slots Keeping these slots clear of ash will ensure better performance 1 Open the primary air control fully 2 Lay some crumpled newspapers in the bottom Place on the paper six or eight pieces of dry finely split kindling On the kindling lay two or three larger sticks of split dry wood approximately 1 2 25 50 mm Do not use chemical
36. r bed is less than 2 3 51 76 mm you may have to leave the 30004403 Primary Air Holes Andiron ST1004 Fig 11 Keep primary air holes free of ash for proper perfor mance air setting on high for a few minutes until flames appear Finally adjust the air control and fan speed for your desired heat level NOTE Ifthe charcoal bed is relatively thick and your fuel is well seasoned itis possible to add fresh fuel smaller pieces first close the door and reset the air control immediately Special Tactics for Cold Climate Heating The Montpelier Medium Insert is capable of producing up to 40 000 Btu hour and heating an area of up to 1 500 sq ft However many factors affect heating performance and can influence the extent to which the Montpelier Medium Insert can heat a given area A well insulated home located in a moderate climate and with the Montpelier Medium Insert located centrally in an open floor plan will be easier to heat than a drafty home in the far north in which a Montpelier Medium Insert is installed on an exterior wall at the end of a long house In Fireplace Insert installations over sized chimneys can produce less effective results than those that are properly sized and interior chimneys usually perform better than those located outside the house Different results may be experienced even in the same installation if you switch from burning g
37. r more heat Refer to the air control settings chart on Page 11 for recommended settings at different burn rates Do not over fire this heater Overfiring may cause a house fire or can result in per manent damage to the stove If an exterior part of the Montpelier Medium Insert glows you are overfiring Reloading and Reviving a Wood Fire Set the air control on High and wait at least fifteen sec onds for the draft to increase Turn the convection blower off Open the door slowly IMPORTANT While the stove is hot toss and sift the coals with each stove loading This loosens and helps burn coals that become buried in the ash Push coals away fromthe three bottom airjets Creating this void helps maintain a reliable fire Check the ash level and remove excess ash Three 3 primary air holes located under the front brick provide air to the coal bed Fig 11 These holes should be cleared of ash for proper performance Add the fuel smaller pieces first If it is necessary to use wood smaller than the 18 460 mm optimum size be sure to fill the firebox as completely as possible by loading the wood pieces alternately on the left and right Split wood will fill the firebox more completely and reduce the frequency of reloading If possible stack wood diagonally to maximize air spaces between fired pieces If you have an ember bed of at least 2 3 51 76 mm the air setting may not need to be adjusted If the embe
38. rinciples and modern foundry technology This stove transforms a traditional masonry fireplace into a powerful heater You can count on years of comfortable heat ing and pleasurable fire viewing if you operate and maintain it according to the directions in this Owner s Guide This Insert has been tested and listed by OMNI Test Laboratories of Portland Oregon to UL1482 1996 R2006 for the United States and ULC S628 93 for Canada This Insert is listed to and in compliance with the standards set forth by the Federal Environmental Protection Agency 40 CFR Part 60 532 b as stated on the permanent label attached to the stove This manual describes the installation and operation of this Insert This heater meets the U S Environmental Protection Agency s emission limits for wood heaters sold after May 15 2015 Under specific test conditions this heater has been shown to deliver heat at a rate ranging from 10 100 to 27 550 BTU hr For more complete details on stove performance and specifications please refer to Page 3 The Montpelier Medium Insert is designed tested and listed for burning wood Do not burn other fuels Installation or service of the Montpelier Medium Insert should be performed only by a qualified installer preferably NFI or WETT Canada certified Please read entire manual before you install and use your new Insert Failure to follow these instructions may result in property damage bodily injury or even death Save Thes
39. s or fluids to start the fire Do not burn garbage or flammable fluids such as gasoline naptha or engine oil Also never use gasoline type lantern fuel kerosene charcoal lighter fluid or similar liquids to start or freshen up a fire in this heater Keep all such liquids well away from the heater while it is in use 3 Light the newspaper and close the door Gradually build up the fire by adding a few 3 5 76 127 mm diameter splits If this is your initial break in fire let the fire burn brightly but not to excess Control the fire s intensity by adjusting the air control lever After an hour or so stop adding wood so that the fire dies out gradually For ongoing operation after the initial break in continue to add a few sticks at a time of a progressively larger size Be sure to keep the fuel load behind the front grate bar at all times Continue until you have a live ember bed at least 3 4 76 102 mm deep This may take an hour or longer particularly when the Montpelier Medium Insert is vented to an exterior masonry chimney or when you are just starting a fire NOTE Effectiveness of a top down method to start a fire Smoke emissions when starting a fire can be difficult to control because the insert is not yet heated to its optimum temperature One method of reducing emissions during a cold start up is the use of a top down kindling procedure In this place larger pieces of kindling on the bottom o
40. ss 30004403 Montpelier Medium Insert e Examine the gasket that seals the glass to the door frame If necessary replace this with gasket obtained from your local Vermont Castings authorized dealer Directions for replacing gaskets are given below e Check the channel at the bottom of the door frame and clear away debris if necessary e Carefully place the new glass in the door frame e Secure the clips being careful not to over tighten Be sure the glass is firmly seated against the gasket Close the door gently to confirm the clips have been properly positioned It is possible for the glass to be damaged if the clips have been installed incorrectly and the door is closed with force How to Replace Gaskets Your Montpelier Medium Insert uses rope type fiberglass gaskets to make a tight seal between some parts With use particularly on those parts that move gaskets can become brittle and compressed and can begin to lose their effectiveness These will need periodic replacement All of the gaskets used are made of fiberglass The three sizes of replaceable gasket are listed below along with their application Replaceable Montpelier Medium Insert Fiberglass Gaskets Gasket Size 0 The Parts It Seals 3 8 1203564 Door to the front 5 6 3 8 30002422 Firebox parts 3 16 1203556 Glass to the door 5 2 To change a gasket wait until the fire is out and the stove
41. stem Rtotal of 1 66 to speci fied R of 1 49 Since proposed system Rtotal is greater than required the system is acceptable mineralboard Definitions f hr CF Btuj in R pu na a 1 _ Btu ft r ONCE 1 hF Btu in k Optional Surround Packages Custom made surround panels may be made from any noncombustible material Vermont Castings Group offers both steel and cast iron Surround panel kits each in two sizes Georgian Cast Surround Enclosure Area 30DVSGTKCB JODVSGTKB kurenia 30 x 41 768 x 1041 mm Mead Cast Surround MEADSCB 00008 28 x 4116 718 x 1059 mm Caprice Cast Adjustable Profile Surround CAPCB seiren ananas 25 x 35 635 x 889 mm Steel Surround LHE3J0S SBa 27 x 38 686 X 972 mm LHE30SLB onnenn 28 x 41 718 x 1041 mm 7 Montpelier Medium Insert Installing the Montpelier Medium Insert 1 Remove or Disable the Fireplace Damper If codes al low remove the damper Many dampers can be removed simply by removing a cotter pin and or a set screw If it is not permissible or possible to remove the damper secure the damper in the fully open position NOTE CANADIAN INSTALLATIONS In accordance with CAN CSA B365 M91 you must permanently secure the Fireplace Modification Tag to the rear of the fireplace cavity if you have modified the fireplace in any way to accommodate installation of a fireplace insert This tag is in the hardware bag included wi
42. th your Insert 2 Installthe Floor Protector Make sure the floor protector satisfies the requirements discussed on Page 6 The finished height of the floor protector or raised hearth needs to be considered before installing the venting system 3 Fluecollar orientation The flue collar may be oriented in the vertical position or rotated 180 degrees on the top of the stove resulting in a 26 degree backward angle If possible determine beforehand which orientation will work best for your application In most applications cleaning of the chimney system will be easiest from the top chimney cap down If this is the planned method for your application the center iron pull down handle on the flue collar serves as protection to keep prevent a chimney brush from damaging the baffle inside the stove If cleaning can only take place from inside the home the center bar may be cut out of the flue collar using a hack saw or reciprocating metal cutting saw 4 Install the venting system Again depending on your application it may be easiest to install the connector or stainless steel flue liner in the chimney first Refer to Figure 6 for the components of the venting system e Carefully remove the fiber baffle by first removing the front air tube If necessary removing the remaining air tubes will allow easier access e Remove the iron flue collar from the stove and fasten either the adapter pipe or flue liner to it by drilling three holes us
43. ue must be less than or equal to three times the area of the flue collar If larger the chimney must be re lined e Means mustbe provided to preventroom air passing to the chimney cavity e Provision mustbe made for removal of the insert to clean the chimney flue General Considerations U S e While not required in most jurisdictions in the U S Vermont Castings Group strongly recommends that a full stainless steel chimney liner be installed for the insert to the chimney top to increase overall performance and to ease and reduce yearly main tenance e A masonry chimney must be well constructed and must meet minimum code requirements The chim ney flue should have a code approved liner made of masonry or pre cast refractory tiles straight or flex ible stainless steel pipe or a poured in place liner An unlined chimney must be relined professionally e The chimney musthave a nominal flue size of 6 152 mm diameter or 28 square inches 181 cm but no greater than 3 times larger or 85 square inches 548 cm A chimney larger than this must be re lined Be aware that a chimney originally designed for fireplace use may perform differently when used to vent an air con trolled appliance such as your Montpelier Medium Insert even if the flue is less than 3 times larger than the flue collar For example a chimney on an outside wall may This requirement is in addition to those specified in ANSI NFPA211 30004403 not
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