Vermont Casting 1920 User's Manual
Contents
1. B Mantel 2210 572 mm C Top Trim 12 305 mm D Side Trim 8 203 mm material is less than 11 2 38 mm thick ST253a Protected Surfaces NFPA 211 Unprotected Surfaces 62 46 A Min Width 158 cm 117 cm 48 48 122 cm 122 cm B Max Depth Cc Ceiling Above Stovetop 36 18 92 cm 46 cm Fig 21 Alcove Specifications 30000369 Aspen Woodburning Stove Aspen Clearance Chart Use the chart below together with the diagrams on the next page to determine the required clearance for your particu lar installation Stove clearances are measured from the top plate to the combustible surface Chimney connector clearances are measured from the connector surface and take into account flue collar offset Unprotected Surfaces Protected Surfaces Corner Corner Parallel Installation Installation Parallel Installation Installation Stove Clearance Side Rear 610 mm 330 mm 330 mm 406 mm 230 mm 203 mm Shield ONLY 610 mm 179 mm 330 mm 406 mm 230 mm 203 mm Shield ONLY 610 mm 179 mm 406 mm 230 mm Top Exit Rear H S Single R 9 T 16 wall connector shields 610 mm 229 mm 330 mm 406 mm 230 mm 203 mm Top Exit Rear H S Double Q 24 R 7 S 13 T 16 U 7 wall connector shields 12 610 mm 178 mm 330 mm 406 mm 178 mm 203 mm Ch2. The Aspen Woodburning Stove Model 1920 Homeowner s Installation and Operating Manual For use in the United States and Canada 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 by the National Fireplace Institute NFI as NFI Woodburning Specialists or who are certified in Canadaby CERTIFIED Wood Energy Technical Wise Techn www www nficertified org Training WETT Do Not Discard This Manual Retain for Future Use 30000369 2 07 Rev 13 Aspen Woodburning Stove Introduction Thank you for choosing a Vermont Castings Aspen to meet your heating needs We re confident you will find the Aspen to be an effective wood burning heater incorporating modern non catalytic combustion technology with the classic aesthetic appeal of its Vermont Castings lineage The Aspen achieves high efficiency through precisely calibrated delivery of primary and secondary air into a refrac
3. tory insulated firebox Properly operated and maintained according to the guidelines in this manual your Aspen will provide safe dependable and economical heating for years to come Warnock Hersey The Aspen Model 1920 has been tested and is listed by Intertek Testing Services Warnock Hersey WARD of Middleton Wisconsin The test standards are ANSI UL 1482 for the United States and ULC S627 Sa and CAN CSA B366 2 for Canada The Aspen Model 1920 is listed for burning wood fuel only Do not burn other fuels The Aspen Model 1920 is approved for installation in manufactured mobile homes in the United States only using the optional Mobile Home Kit 1898 in accordance with the instructions in that kit and any local codes The Aspen Model 1920 complies with the standards set forth by the Federal Environmental Protection Agency 40 CFR Part 60 532 b 2 as stated on the permanent label attached to each stove We recommend that you hire a professional solid fuel stove technician to install your Aspen or to advise you on the installation should you attempt to install it yourself Consult the authority having local jurisdiction such as a munici pal building department fire department fire prevention bureau etc before installation to determine the need for a building permit Also consult your insurance agent to be sure your installation complies with specific requirements that may vary locally In addition to directions on installation and ope
4. Other requirements may be applicable to chimney system removal for trans portation of the mobile home WARNING Do not install the Aspen in a sleeping room or hallway CAUTION The structural integrity of the mobile home roof floor walls and ceiling must be main tained 10 Clearance to Surrounding Combustible Materials When the stove is operating both the stoveplate and the chimney connector radiate heat in all directions A safe installation requires that adequate clearance be maintained between the stove and nearby combustible materials to ensure that those materials do not over heat Clearance is the distance between either your stove or chimney connector and nearby walls floors the ceiling and any other fixed combustible surface Keep furnishings and other combustible materials away from the stove as well In general a distance of 48 1219 mm must be maintained between the stove and moveable combustible items such as drying clothes furniture newspapers firewood etc Keep this area empty of any combustible material Safe Ways to Reduce Clearances The Aspen clearance requirements listed and diagramed on pages 10 11 have been established through testing to UL and ULC standards to meet most installation configurations These involve four basic variables When the stove has no listed heat shield in stalled When the stove does have a listed heat shield mounted on it When the wall has
5. 240lbs 576kg Width Left leg Right leg 11 i 16 406 mm Depth Front leg Rear leg nossen 23 584 mm Height to top of top exit flue collar 24 610 mm Height to top of rear exit flue collar 21 533 mm 610 mm Top Exit Flue Collar Height Ta 184 mm Fig 1 Aspen 1920 specifications 30000369 1 This value can vary depending on how the stove is op erated the type and moisture content of the fuel used as well as the design construction and climatic location of your home Figures shown are based on maximum fuel consumption obtained under laboratory conditions and on average efficiencies These values are based on operation in building code conforming homes under typical winter climate condi tions in New England If your home is of nonstandard construction e g unusually well insulated not insu lated 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 expectations for your home 2214 565 mm 584 mm Aspen Woodburning Stove SAFETY NOTICE IF YOUR STOVE IS NOT PROP Chimneys Installation ERLY INSTALLED OPERATED AND M
6. GRATE DO NOT ELEVATE THE FUEL DO NOT BURN COAL OR OTHER FUELS WARNING OPERATE THIS STOVE ONLY WITH THE DOOR FULLY CLOSED 18 Medium ST262a Fig 28 Air inlet shutter settings Low Medium High The Primary Air Inlet must be fully open when start ing a fire or when refueling Step 1 Open the primary air control fully Step 2 Place several sheets of crumpled newspaper in the stove Avoid using glossy or colored paper as these burn poorly At the front of the firebox place on the paper six or eight pieces of dry kindling split to a finger width size and on the kindling lay two or three larger sticks of split dry wood approximately 1 2 25 51 mm in diameter Step 3 Light the newspaper and close the door Gradually build up the fire by adding a few 3 5 80 120 mm diameter splits If this is one of the first few break in fires let the fire burn brightly and then let it die out lt During the break in fires don t let the stove get hotter than 500 F 260 C as measured on an op tional stove top thermometer Adjust the air control lever as necessary to control the fire e Some odor from the stove s hot metal the paint and the cement is normal for the first few fires NOTE Some chimneys need to be primed or warmed up before they will draw sufficiently to sus tain a fire To correct this situation roll up a couple pieces of newspaper place them on top of
7. You will quickly find that a specific setting will give you a fixed amount of heat It may take some time to determine the amount of heat and the length of burn you should expect from various settings 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 air control settings as a starting point to help determine the best settings for your installation Fig 28 Aspen Control Settings Burn Rate Primary Air Control High From 12 00 Medium From 1 00 Low From 2 00 Before you start using the stove please read the Ap pendix on Draft Management starting on page 24 to learn how the characteristics of your installation will affect the stove s performance You and the stove are parts of a system and other parts of the system have a strong effect on operation you may need to vary your firing technique to get the performance you want Starting and Maintaining a Fire Conditioning Your Stove Cast iron is extremely strong but it can be broken with a sharp blow from a hammer or from the thermal shock of rapid and extreme temperature change The cast plates expand and contract with changes in temperature When you first begin using your Aspen minimize thermal stress by allowing the plates to adjust gradually during three or four initial break in fires follow ing Steps 1 3 BURN SOLID WOOD FUEL ONLY AND BURN IT DIRECTLY ON THE
8. a building within 10 3 m To assure proper draft and good performance any chimney used with this stove should extend at least 16 4 9 m above the flue collar of the stove 0To10 gt 2Min J a 0T010 2 Min In 3 Min Reference Point Fig 2 The 2 3 10 Chimney Rule Masonry Chimneys An existing masonry chimney must be inspected to con firm that it has a lining Do not use an unlined chimney The chimney also should be examined for cracks loose mortar other signs of deterioration and blockage Repair any defects before the chimney is used with your stove A prefabricated double wall insulated chimney A tile lined masonry chimney Fig 3 Standard Chimney Types 30000369 Masonry Chimneys cont d e Unused openings in an existing masonry chimney must be sealed with masonry to the thickness of the chimney wall and the chimney liner should be repaired Openings sealed with pie plates or wallpa per are a hazard and should be sealed with mortar or refractory cement In the event of a chimney fire flames and smoke may be forced out of these unused thimbles The chimney should be thoroughly cleaned before use A newly built masonry chimney must conform to the standards of local building code or in the absence of a local code to a recognized national code Ma sonry chimneys must be lined either w
9. applies only in the United States In addition to the standard installation requirements described in this manual the following guidelines apply to mobile home installations 1 The stove must be permanently secured to the floor using the leg clamps and fasteners provided in the kit 2 The stove must have a permanent connection to the outside to supply combustion air 3 The stove must be grounded to the steel chassis of the mobile home 4 A listed chimney system including roof thimble spark arrestor chimney supports roof flashing and any other components suitable for use in mobile homes must be used The chimney system must comply with the standard for Chimneys Factory Built Residential Type and Building Heating Appliances UL 103 5 The chimney must be attached directly to the stove and must extend at least 3 914mm above the part of the roof through which it passes The top of the chimney must extend at least 2 610 mm above the highest point of any part of the mobile home struc ture within 10 3 m of the chimney 6 If the chimney exits the mobile home through a wall at a point 7 feet or less above the ground level on which the mobile home is located a guard or other noncom bustible enclosure must be fitted at the point of exit and extend up to a height of 7 2 1 m Any openings in this guard must be smaller than 3 4 19 mm 7 Check all local building codes specifically those related to mobile homes
10. how well it will sustain the optimum temperatures necessary to maintain strong draft and efficient combustion Here fol lows a description of various flue system characteristics and related effects on stove performance Masonry Chimney Although masonry is the traditional material used for chimney construction it can have distinct performance disadvantages when used to vent a controlled combus tion woodstove Masonry forms an effective heat sink that is it absorbs and holds heat for long periods of time The large mass however may take a long time to become hot enough to sustain a strong draft The larger the chimney in total mass the longer it will take to warm up Cold masonry will actually cool exhaust gases enough to diminish draft strength This problem is com pounded if the chimney is located outside the home or if the chimney flue has a cross sectional size larger than the stove outlet 24 Steel Chimney Most factory made Class A steel chimneys have a layer of insulation around the inner flue This insulation keeps the smoke warm and protects the surrounding structure from the high flue temperatures Because the insulation is less dense than masonry the inner steel liner warms up more quickly than a masonry chimney Although steel chimneys are not as attractive as their masonry counterparts they are very durable and gener ally outperform masonry Inside Outside Location Because the chimney s fu
11. passing a chimney connector through a combustible wall In Canada this type of installation must conform to CAN CSA B365 Installation Code for Solid Fuel Burn ing Appliances and Equipment Fire clay liner Min 2 51mm Chimney clear ance to brick and combustibles Masonry Chimney constructed to NFPA 211 Chimney Flue Fire clay liner A Minimum 12 305 mm brick con struction between liner and combustible framing materials ST272 Fig 9 Masonry Wall Pass through with single wall chimney connector Solid insulated listed factory built chimney length set flush with flue Y Min 9 230mm Masonry Chimney constructed to NFPA 211 gt 24 ga Sheet Non soluble re Steel Sup fractory cement ports lt Chimney Connector Air Space Chimney Flue Sheet Steel ST273 Supports Fig 10 Wall Pass through using factory built insulated chimney section Chimney clearance to sheet steel supports and combustibles 2 51mm Min Steel Thimble with two 1 25mm Ventilated Min 6 Channels 4 52mm Glass Fiber Insulation NG 24 ga Sheet Steel Supports Chimney Flue Masonry Chimney construct ed to NFPA 211 Fig 11 Wall Pass through using single wall chimney connector with a
12. possible with no more than two 90 degree turns If possible use 45 elbows Slope horizontal runs of connectors upward 1 4 per foot 20mm per meter going from the stove toward the chimney The recommended maximum length of a horizontal run is 3 914mm and the total length of chimney connector should be no longer than 8 2 5 meters In cathedral ceiling installations extend the prefabri cated chimney downward to within 8 feet 2 4m of the stove SAFETY NOTE Always wear gloves and protective eyewear when drilling cutting or joining chimney connector sections Aspen Woodburning Stove Double wall Chimney Connectors The Aspen is approved for installation in the U S and Canada with double wall chimney connectors that have been tested and listed for use with solid fuel burning appliances by a recognized testing laboratory Follow the instructions for assembling and installing double wall connectors provided by the manufacturer of the double wall chimney To ease assembly and help assure safety use chimney components manufactured by a single source NOTE For installations using double wall connec tors minimum clearances must conform to those listed in the clearance chart on Page 13 Single wall Chimney Connectors e Beginning at the flue collar of the stove assemble the chimney connector Insert the first crimped end into the stove s flue collar and keep each crimped end pointing toward the stove Using t
13. right You can set the lever anywhere in between the left and right extremes The Aspen features an automatic thermostat to ensure an even heat output at any manual setting you select As the fuel burns the thermostat reacts to the heat radi ating from the stove surface and consequently adjusts the air shutter attached to it As the fire intensity and heat output builds the thermostat slowly closes the air shutter thereby restricting incoming combustion air As the fire intensity then wanes and heat output lessens the thermostat responds and gradually opens the air shutter which allows more combustion air to again enliven the fire This ebb and flow action functions continuously to prolong the burn cycle until the fuelbed is exhausted DO NOT USE CHEMICALS 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 fresh en up a fire Keep all such liquids well away from the Aspen while it is in use Caution the Aspen will be hot while in opera tion Keep children clothing and furniture away Contact may cause skin burns DO NOT OVERFIRE THIS HEATER Overfiring may cause a house fire or can result in per manent damage to the stove If any part of the stove glows you are overfiring 30000369 Another separate supply of oxygen is delivered to the upp
14. spacers 3 Align the holes in the heat shield with the spacers and secure the shield to the spacers using the three philips head screws previously removed Tighten firmly with a screwdriver Install the Bottom Heat Shield The 1985 Bottom Heat Shield must be used in the U S and Canada in any installation on a floor that is not composed of unpainted cement on earth 1 Remove the 1 4 20x 3 8 phillips screw from the cen tral mounting boss in the stove bottom Fig 27 2 Mount the bottom heat shield to the stove bottom using the same phillips head screw previously re moved The shield will butt against the cast bosses in the bottom of the ashlip at the front of the stove as Fig 26 Install the rear heat shield JON P Fig 27 Install the bottom heat shield 30000369 Aspen Woodburning Stove How the Aspen Works Combustion control is achieved in the Aspen through two separate air delivery systems The primary air control lever located at the left rear corner of the stove controls the amount of incoming pri mary air for starting maintaining and reviving the fire More air entering the stove makes the fire burn hotter and faster while less air prolongs the burn at a lower heat level For the greatest air supply and maximum heat output but the shortest burn time move the lever to the straight up 12 o clock position For a fire that will last longer with less heat move the lever to the
15. spacers and fasteners ree ia Metal Spacer Drywall E AL Air flow Fig 16 Approved Wall shield construction The following examples of wall shield construction illus trate common designs used to safely achieve reduced clearances to combustible wall materials Parallel installation vertical chimney connector two wall shields Fig 17 Reduced clearances for both rear and side walls Wall shields may meet at corner if desired Shielding for connector is centered behind connector Parallel installation with rear wall pass through two wall shields Fig 18 Reduced clearances for both rear and side walls Wall shields may meet at corner if desired Shielding for connector is centered behind connector Wall pass through must comply with codes Corner installation vertical chimney connector two wall shields Fig 19 Reduced side clearances Wall shields MUST meet at corner 30000369 Aspen Woodburning Stove e 36 914mm oram 40 1016mm ST249a Fig 17 Parallel installation vertical chimney connector two wall shields Fig 18 Parallel installation with rear wall pass through two wall shields lt m 36 gt M 014mm 36 914mm i 40 1020mm 40 1020mm ST251a Fig 19 Corner installation vertical chimney connector two wall shields 11 Aspen Woodbur
16. the kindling and toward the back of the stove light them and close the door This should heat the chimney enough to initiate strong draft 30000369 Once the draft is established open the front door and light the rest of the fuel bed at the bottom Do not light the main bed of fuel until the chimney be gins drawing Step 4 After the stove has been broken in using Steps 1 3 continue to build the fire gradually Add larger wood with a diameter of 3 4 75 102 mm Continue adding split logs of this size to the briskly burning fire until there is a glowing ember bed at least 2 51 mm deep A good ember bed is neces sary for proper functioning and may take up to an hour to establish Step 5 Adjust the thermostatic air control for the de sired heat output Refuel While the Embers Are Still Hot Reload the Aspen while it is still hot and there are plen ty of glowing embers to re kindle the fire Include some smaller pieces of wood in the new load of fuel to help the stove return to its operating temperature quickly Wear stove gloves and follow this procedure when you reload your stove Step 1 Open the thermostat lever Step 2 Open the door and check the ash level in the ash pan If necessary dispose of the ashes and replace the pan Step 3 Use a fireplace tool to break up the charcoal and direct ash through the grate Pull the charcoal from the back to the front This will encourage effi cient combustion as the f
17. through combustible walls Many building code inspectors follow these guidelines Figure 9 shows one NFPA approved method All com bustible material in the wall is cut away to provide 12 305 mm clearance to the connector Brick and mortar are used to enclose the clearance area Alternate methods approved by the NFPA e Using a section of double wall chimney with a 9 229 mm clearance to combustibles Fig 10 e Placing a chimney connector pipe inside a steel double wall ventilated thimble which is then sepa rated from combustibles by 6 152 mm of fiberglass insulating material Fig 11 e Placing a chimney connector pipe inside a section of 9 229 mm diameter solid insulated factory built chimney with two inches of air space between the chimney section and combustibles Fig 12 Canadian Requirements In Canada the Canadian Standards Association has established specific guidelines regarding wall pass though design Figure 13 shows one approved method in which all combustible material in the wall is cut away to provide the required 18 457 mm clearance around the connector The resulting space must remain empty A flush mounted sheet metal cover may be used on one side only If covers must be used on both sides each cover must be mounted on noncombustible spacers at least 1 25 mm clear of the wall Your local dealer or your local building inspector can provide details of other approved methods of
18. AINTAINED A HOUSE FIRE MAY RESULT FOR SAFETY FOLLOW ALL INSTALLATION OPERATION AND MAINTE NANCE DIRECTIONS CONTACT LOCAL BUILDING OFFICIALS ABOUT RESTRICTIONS AND INSTAL LATION INSPECTION REQUIREMENTS IN YOUR AREA Before you begin an installation review your plans to be certain that Your stove and chimney connector will be far enough from combustible material to meet all clearance requirements The floor protector is large enough and is constructed properly to meet all requirements You have all necessary permits from local authorities Your local building official is the final authority for ap proving your installation as safe and determining that it meets local and state codes The metal label permanently attached to the back of the stove indicates that the Aspen has been tested to current UL and ULC standards by Intertek Testing Ser vices of Middleton Wisconsin Clearance and installa tion information is also printed on the label Local au thorities generally will accept the label as evidence that when the stove is installed according to the information on the label and in this manual the installation meets codes and can be approved Codes however vary in different areas Before starting the installation review your plans with the local building authority Your local dealer can provide any additional information needed For any unresolved questions about installation refer to the National Fire Pr
19. B Keep sleeve end flush with flue tile Fig 6 The thimble made of either ceramic or metal must be cemented securely in place The adapter forms a union between the chimney and chimney connector that ensures any soot or creosote falling from the inner walls of the chimney will stay inside the chimney connector Securing the Single wall Connector to a Masonry Chimney The Aspen may be connected to either a freestanding masonry chimney or to a fireplace masonry chimney Freestanding Installations If the chimney connector must pass through a combus tible wall to reach the chimney follow the recommenda tions for Wall Pass Through construction on pages 7 8 The opening through the chimney wall to the flue the breech must be lined with a ceramic or metal thimble which is securely cemented in place A metal pipe section called the thimble sleeve slightly smaller in diameter than standard connector and the thimbles will allow the removal of the chimney con nector system for inspection and cleaning Thimble sleeves are available from your local dealer To install a thimble sleeve slide it into the breech until it is flush with the inner flue wall Be sure that it does not extend into the flue passage where it could interfere with the draft The thimble sleeve should protrude 1 2 25 50 mm into the room Use furnace cement and thin gasketing to seal the sleeve in place in the thimble Secure the chimney
20. also apply to fireplace installations Refer to Page 9 Wall Pass throughs Whenever possible design the installation so that the connector does not pass through a combustible wall If you must include a wall pass through in your instal lation check with your building inspector before you begin Also check with the chimney connector manu facturer for any specific requirements Consult with your dealer regarding special connection components available for use as wall pass throughs Use only parts that have been tested and listed for use as a wall pass through 30000369 Aspen Woodburning Stove Chimney Connector Heat Shield Note clearance HH requirement on Pages 13 14 Ep Mantel C4 j Fig 7 If the clearance between the chimney connector and either the ceiling or the mantel is inadequate a protective heat shield is required H N Maintain required clearance See Page 13 Flex Connector Adapter w N Clean out Tee Hill x 1605 18 460 mm Canada Fig 8 Special adapter kits are available from your local dealer to simplify fireplace installations Aspen Woodburning Stove U S Requirements The National Fire Protection Association NFPA has established guidelines for use in the United States for passing chimney connectors
21. connector to the outer end of the sleeve with sheet metal screws 30000369 Connection Above the Fireplace In this installation the chimney connector enters the fireplace flue though a thimble located above the fire place The liner of the fireplace chimney should extend at least to the point at which the chimney connector enters the chimney Follow all the guidelines for install ing a chimney connector into a freestanding masonry chimney and pay special attention to these additional points Check the stove and chimney connector clearances to combustible mantel and trim materials If neces sary use a combination of mantel trim and connec tor heat shields to provide the required clearances Double check connector clearance to the ceiling The fireplace damper must be closed and sealed to prevent room air from being drawn up the flue which could reduce performance However it must be possible to reopen the damper to inspect or clean the chimney Connection Through the Fireplace If your fireplace opening height is at least 211 546 mm you may install a stove through the opening us ing a positive connection kit available from your local dealer These kits provide a secure connection be tween the stove flue collar and the chimney flue Confirm that the stove location is within the required clearance specifications for the mantel and surrounding fireplace trim Refer to Page 12 Floor protection requirements
22. duce draft strength and promote creosote development over all stove performance will suffer The effect is similar to that of a vacuum cleaner with a hole in the hose In some extreme instances the other appliance can even impose a negative draft and result in a dangerous draft reversal Even the best stove installation will not perform well if poor fuel is used available always use hardwood that has been air dried seasoned 12 18 months Soft wood burns more rapidly than hardwood and has a high resin content conducive to creosote production De cayed wood of any type has little heat value and should not be used All unseasoned green wood has a high moisture con tent Much of its heat value will be used to evaporate moisture before the wood can burn This significantly reduces not only the amount of energy available to warm your home but also the intensity of the fire and temperature of the exhaust gas Incomplete combustion and cool flue temperatures promote creosote formation and weak draft 30000369 Aspen Woodburning Stove You can judge the moisture content of wood by its ap pearance and weight or use a commercially available moisture meter for an exact measurement Unseasoned wood will be a third heavier than dry wood Also look for cracks checking in the ends of the log that result from contraction as the wood dries The longer and wider the cracks the dryer the wood is Purchase your fuel fro
23. e 7 The salt air environment of coastal areas or a high humid ity 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 environ ment 8 CFM Corporation shall have no obligation to enhance or update any unit once manufactured IN NO EVENT SHALL CFM CORPORATION BE LIABLE FOR INCIDENTAL AND CONSEQUENTIAL DAMAGES ALL IM PLIED WARRANTIES INCLUDING THE IMPLIED WARRAN TIES OF MERCHANTABILITY AND FITNESS ARE LIMITED TO THE DURATION OF THIS WRITTEN WARRANTY THIS WARRANTY SUPERCEDES ALL OTHER ORAL OR WRITTEN WARRANTIES Some states do not allow the exclusion or limitations of inciden tial 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 If a defect is noted within the warranty period the customer should contact a CFM Corporation Authorized Dealer or CFM Corporation if the purchase was direct with the following infor mation 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 in
24. elines described above Keep in mind that many raised hearths will extend less than the required clearance from the front of the heater when it is installed In such cases sufficient floor protection as described above must be added in front of the hearth to satisfy the minimum floor protector 30000369 Aspen Woodburning Stove Floor Protection Requirements E mm E Canada 8 203 mm 18 457 mm 10 254 mm i 48 1219 mm E 27 1 787 mm Fig 14 These dimensions are minimum requirements only Use greater dimensions whenever possible ST246 Wood framing requires protection from radiant heat Fig 15 Supporting timbers under fireplace hearths are considered to be combustible requirement from the front of the stove 16 406 mm from the front in the United States and 18 457 mm from the front in Canada Hearth rugs do not satisfy the requirements for floor protection as they are only fire retardant not fire proof Fireplace installations also have special clearance requirements to the side walls side decorative trim and fireplace mantel Refer to the information on fireplace and mantel trim shields in this section Aspen Woodburning Stove Mobile Home Installation The Aspen is approved for use in manufactured mo bile homes when installed with the optional Mobile Home Kit 1898 in accordance with the instructions provided with that kit and any local codes This approv al
25. emove the flue collar from the stove top and move it to the back of the stove Fig 25 1 Use a phillips screwdriver to remove the two screws and rear cover plate from the back of the stove 2 Remove the flue collar by removal of the two phillips screws from the top of the stove 3 Attach the cover plate to the stove top Be sure to keep the gasket in place Secure the flue collar to the back of the stove Insert the crimped end of the first section of chimney connector into the flue collar Using the holes in the collar as guides drill 1 8 3mm holes through the connector pipe Use the three 10 x 1 2 sheet metal screws provided to secure the chimney connection to the flue collar Install the Rear Heat Shield The 1896 Rear Heat Shield reflects radiant heat away from combustible materials located behind the stove Its use enables you to install the stove at a reduced clear ance to combustible materials in accordance with the specifications in this manual 1 Remove the three phillips head screws from the back of the stove The upper right screw also serves to secure the thermostat cover to the stove Fig 26 2 Thread the three 114 spacers provided with the heat shield kit into the holes Be sure to resecure the ther mostat cover using a spacer at that location If the Outside Air Adapter is used secure its upper flange to the hole above the primary air inlet using a spacer instead of the screw Hand tighten the
26. equire time and heat energy to warm up Check your local codes You may be required to install a flue liner in any oversize or masonry flue 30000369 Pipe amp Chimney Layout Every bend in the flue will act as a brake on the exhaust as it flows from the firebox to the chimney cap The ideal pipe and chimney layout is straight up from the stove through a completely straight chimney Use this layout if at all possible as it will promote optimum stove performance and simplify maintenance If the stovepipe must elbow to enter a chimney locate the elbow about midway between the stove top and the chimney thimble This configuration lets the smoke speed up before it must turn keeps some pipe in the room for heat transfer and allows long term flexibility for installing a different appliance without relocating the thimble There should be no more than eight feet of single wall stove pipe between the stove and a chimney Longer runs can cool the smoke enough to cause draft and creosote problems Use double wall stove pipe for longer runs Single Venting Your stove requires a dedicated flue Do not connect the stove to a flue used by any other appliance Chim ney draft is a natural form of energy and follows the path of least resistance If the stove is vented to a flue that also serves an open fireplace or another appliance the draft will also pull air in through those avenues The additional air flow will lower flue temperatures re
27. er area of the firebox to support combustion of gases released from the main fuel bed This Second ary Air enters the stove through two unrestricted inlets and is heated while passing through separate channels before being delivered through three stainless steel multi ported tubes located at the top of the firebox Burn Only High Quality Wood THE ASPEN IS DESIGNED TO BURN NATURAL WOOD ONLY DO NOT BURN ANY OTHER FUELS You will enjoy the best results when burning wood that has been adequately air dried Avoid burning green wood that has not been properly seasoned The wood should be no longer than 16 410 mm in length how ever you will find that shorter wood lengths ease refuel ing and promote the most efficient combustion 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 year For areas that do not have a supply of hardwood com monly burned softwoods include tamarack yellow pine white pine Eastern red cedar fir and redwood These too should be properly dried Keep wood a safe distance from the heater and keep it out of the areas around the heater used for refueling and ash removal Use the Air Control Setting that Works Best for You No single air control setting will be appropriate for every situation Settings will differ depending on the quality of the fuel the amount of heat desired and how long you wi
28. esses over time The latch engagement may be tightened by removing the shim washers that are under the Latch Plate Fig 33 Remove only one pair at a time When a tight engagement can no longer be achieved with no shim washers in place the entire door gasket should be replaced Use only CFM Corpo ration part no 700 0910 Shim Washers Fig 33 Remove shim washers to tighten latch engagement The Chimney System Creosote Your Aspen is designed to reduce creosote buildup significantly However regular chimney inspection and maintenance must still be performed For safety good stove performance and to protect your chimney and chimney connector inspect your chimney and chimney 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 30000369 When wood is burned slowly it produces tar organic vapors and moisture that combine to form creosote The creosote vapors condense in the relatively cool chimney flue As a result creosote residue accumulates on the flue lining When ignited this creosote makes an extremely hot fire within the flue system that can damage the chimney and overheat adjacent combustible material If you do have a chimney fire promptly e Close the damper and thermostat lever e Get everyone out of the house e Call the Fire Department You should inspect the system every two week
29. formation or circumstances e g installation mode of operation when defect was noted A warranty claim will then start in process CFM Corporation reserves the right to withhold final approval of a warranty claim pending a visual inspection of the defect by authorized repre sentatives ak wWN 31 CFM Corporation 410 Admiral Blvd Mississauga Ontario Canada L5T 2N6 800 668 5323 www cfmcorp com CFM Corporation
30. haft Door Pin Long NININININININININ gt gt gt INIA AJVIN gt lojojojNn Secondary Air Channel Right Secondary Air Channel Left Leg Bolt 3 8 16x1 hex bolt 4 Part Number See Chart Pg See Chart Pg 30000606 See Chart Pg 30000607 30000368 30000343 30000346 See Chart Pg 30000363 30000371 30000347 30000358 See Chart Pg 1201432 1202488 30000356 30000604 1601103 See Chart Pg 1203591 See Chart Pg See Chart Pg 30000370 30000365 30000366 30000364 1600416 28 28 28 28 28 28 28 28 ltem Description A artt Number_ 29 Glass Gasket horizontal 81 30000382 30 Glass Gasket vertical 2 30000383 31 Glass Panel 30000362 32 Glass Retainer 2 30000474 33 Glass Clips 2 1601394 34 Door Manifold 30000357 35 Flue Collar See Chart Pg 28 36 Friction Spring 1201846 37 Primary Thermostat Assembly 30000503 38 1 4 Flat Washer Zinc 10 1202474 39 1 4 20x5 8 Hex Screw 2 1201372 40 1 4 20x1 Fit Hd Phillips Screw 1200811 41 1 4 20x3 4 Flat Hd Phillip Screw 6 1200881 42 Ball Chain Thermostat 1201960 43 10 20x1 4 Plain Truss Head Screw 5 1200996 44 1 4 20x5 8 Round Hd Phillips Screw 2 1200896 45 1 4 20x3 8 Round Hd Philips Screw 2 1200894 46 1 4 Flat Washer 4 1202475 47 7 16 Round Gasket 9 3ft 7000910 48 10 24x3 8 Round Hd Slotted Screw 6 1200983 49 3 16 x1 Roll Pin 1201833 50 1 4 20kK1 Hex Head Sc
31. he chim ney to pull well you should install an outside air intake to bring combustion air directly to the stove Consult your Vermont Castings dealer regarding an adapter to attach to the stove to connect an air duct for outdoor combustion air 26 Conclusion Woodburning is more an art than a science Art in cludes technique and since installations homes and fuel vary the stove operator must also vary technique mostly timing to achieve satisfying results Over time you will become familiar with the intricacies and nuances of your particular installation and you will be able to identify cause and effect in a variety of seasonal circumstances 30000369 Aspen Woodburning Stove CFM Corporation reserves the right to make changes in design materials specifications prices and discontinue colors and products at any tme without notice Aspen Woodburning Stove Model 1920 30000369 27 Aspen Woodburning Stove Aspen Woodburning Stove Model 1920 continued Item Description Top Right Side Left Side Secondary Air Tube Bottom Bottom Inner Ashlip Ashpan Thermostat Cover Back Fireback Leg 4 a N ola A olrm E ee nah ee ad ey Ola em olo 3 8 Flat Washer 4 Primary Air Plate Grate Wood Firebrick 10 Flue Cover 5 16 Adhesive Gasket Front Door Primary Air Flap Door Handle Catch Wooden Handle Door Handle S
32. he dealer s option whether the re pair work will be done in the customer s home or in the dealer s shop If upon inspection the damage is found to be the fault of the manufacturer repairs will be authorized at no charge to the customer for parts and or labor Any woodburning stove or part thereof that is 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 Limited 1 Year Warranty The following parts 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 thermostat assem bly handles glass door panels cement and gasketing 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 CFM Corporation Authorized Dealer Any part 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 transferable however proof of original retail purchase is required 2 This warranty does not cover misuse of the this stove Mis use includes overfiring which will result if the st
33. he holes in the flue collar as guides drill 1 8 3 mm holes in the bottom of the first section of chimney connector and secure it to the flue collar with three 10 x 1 2 sheet metal screws Secure each joint between sections of chimney connector including telescoping joints with at least three sheet metal screws The predrilled holes in the top of each section of chimney connector serve as guides when you drill 1 8 8mm holes in the bot tom of the next section Secure the chimney connector to the chimney In structions for various installations follow Be sure the installed stove and chimney connector are correct distances from nearby combustible mate rial NOTE Special slip pipes and thimble sleeves that form telescoping joints between sections of chimney con nector are available to simplify assembly Slip pipes eliminate the need to cut individual connector sections Consult your local dealer about these special connector sections Securing the Single wall Connector to a Prefabricated Chimney Follow the installation instructions of the chimney manufacturer exactly Special adapters are available from your local dealer to make the connection between the prefabricated chim ney and the chimney connector The top of such adapt ers attach directly to the chimney or to the chimney s ceiling support package The bottom of the adapter is secured to the chimney connector Thimble Sleeve Chimney Connector
34. ift the stove up onto its legs and hold it in a tilted position to install the remaining two legs with washers and hex bolts AN N Use a 7 16 wrench to secure the Ashlip to the stove IN bottom with two 1 4 20 x 5 8 hex head screws and washers found in the hardware bag inside the stove Fig 23 Install the Outside Air Adapter The optional 1897 Outside Air Adapter provides a col lar to which a 3 inch diameter air duct may be attached directly to the air inlet area at the back of the stove The adapter should be attached to the stove before a bot tom or rear heat shield is installed 1 Remove the phillips head screw located just above the primary air inlet at the back of the stove 1 4 20 x 5 8 hex head screws with washers N oO FI NIL Fig 24 Attach the adapter to the bottom plate 2 Locate the hex bolt Fig 23 located in the center rear edge of the stove bottom plate Loosen this bolt just enough to engage the Adapter clevis tab under the washer and then retighten 30000369 15 Aspen Woodburning Stove 3 If you are not installing a Rear Heat Shield use the phillips head screw to secure the upper flange of the Adapter to the stove at the hole from which the screw was removed in Step 1 Fig 24 Otherwise a heat shield spacer will be used here See Install the Rear Heat Shield below Flue Collar Reversal If a rear exit chimney connection is required you will need to r
35. imney Connector No Heat Shields Using Connector Heat Shields Double Wall Connector Single Wall Connector 18 457 mm 11 279 mm Double Wall Connector 6 152 mm 6 152 mm Front Clearance All Installations to Combustibles 48 1219 mm A distance of 48 must be maintained between the stove and moveable combustible items such as drying clothes furni ture firewood etc When a rear heat shield is installed on a top exit stove the shield insert must be attached to the shield so the area behind the flue collar on the stove is protected Chimney connector heat shields must extend exactly 24 610 mm above the top of the stove No shielding can be used on the connector above 24 610 mm The unshielded chimney connector above the 24 610 mm point must be 13 330 mm from an unprotected wall ln top exit installations this clearance requires the use of the rear stove heat shield with the flue collar cover plate installed 30000369 13 Aspen Woodburning Stove UNPROTECTED SURFACES PROTECTED SURFACES Stove Installed Stove Installed l Top Exit Rear Heat Shield only N N iS Top Exit Rear Heat Shield and single wall connector w shields or double wall connector Rear Exit Rear Heat Shield only 14 30000369 Aspen Woodburning Stove Assembly You will need the following tools to assemble the Aspen e 9 16 open end wrench _ lt safety glasses amp gloves e flat head scre
36. ing An easy way to determine whether your chimney draft is strong enough is to close the stove damper wait a few minutes to let the airflow stabilize and then test whether you can vary the strength of the fire by swing ing the air control open and closed Results here are not always instant you may need to wait a few minutes for a change in the air control setting to have an ef fect on the fire If there is no change the draft is not yet strong enough to let you close the damper You will need to open it for awhile longer and manage the fire with the air inlet until the draft strengthens Keep a re cord of your operational habits and relate them to their effects on the stove s function You will be rewarded with safe and efficient performance 25 Aspen Woodburning Stove Negative Pressure Good draft also depends on a sufficient supply of air to the stove The chimney cannot pull more air than is available Sluggish draft can be caused by a house that is tight enough to prevent the ready flow of air to the stove or by competition between the stove and other appliances that vent indoor air to the outside i e ex haust fans for range hoods clothes dryers bathroom etc If the chimney draws well when all such equipment is turned off or sealed in the case of the fireplaces and or other stoves you simply need to be attentive in timing the use of the other appliances If you need to crack a nearby window or door to enable t
37. ith code ap proved masonry or precast refractory tiles stainless steel pipe or a code approved poured in place liner The chimney clean out door must seal tightly to ensure a good draft Prefabricated Chimneys A prefabricated metal chimney must be one that is test ed and listed for use with solid fuel burning appliances to the High Temperature H T Chimney Standard UL 103 1985 2100 F for the United States and High Temperature 650 C Standard ULC S 629 for Canada Chimney Size This stove is approved for venting into a masonry chim ney with a nominal flue size of 8 x 8 203 x 203 mm and into a round flue size of 8 203 mm or 6 152 mm It may be vented into larger chimneys as well However chimneys with liners larger than 8 x 12 203 x 305 mm may experience rapid cooling of smoke and reduction in draft especially if they are located outside the home Such large chimneys may need to be insulated or have the flue relined for proper stove performance Do not connect this unit to a chimney flue serv ing another appliance NOTE Do not vent this stove into a factory built zero clearance fireplace This stove has not been tested and listed for that type of installa tion Factory built fireplaces and their chimneys are specifically designed as a unit for use as fireplaces It may void the listing or be hazard ous to adapt them for any other use Do not connect the STOVE to any air dis
38. l protection to the floor beneath For installations with the heat shield attached use a non combustible floor protector such as 1 4 nonasbestos mineral board or equivalent or 24 gauge sheet metal The floor protector may be covered with a noncombus tible decorative material if desired Do not obstruct the space under the heater Protection requirements vary somewhat between the United States and Canada as follows U S Installations The floor protector is required under the stove and must extend at least 16 from the front of the stove B Fig 14 and at least 6 from the sides and rear A Fig 14 It must also extend under the chimney connector and 2 to either side C Fig 14 In Canada A noncombustible floor protector is required under the heater The floor protector must extend 18 457 mm to the front B Fig 14 and 8 203 mm from the sides and rear A Fig 14 Fireplace Hearth Protection Do not assume that your fireplace hearth is completely noncombustible Many fireplace hearths do not satisfy the completely noncombustible requirement because the brick or concrete in front of the fireplace opening is supported by heavy wood framing Because heat is readily conducted by brick or concrete it can easily pass through to the wood As a result such fireplace hearths can be a fire hazard and are considered a com bustible floor For all fireplace installations follow the floor protection guid
39. m a reputable dealer Creosote Creosote is a by product of low temperature stove operations weak draft or both It is a tar that results when unburned gases condense inside the flue sys tem at temperatures below 290 F Creosote is volatile and can generate chimney fire All of the installation characteristics that adversely affect chimney draft also promote creosote condensation Consequently you can minimize creosote accumulation with an effective chim ney design and the use of operational techniques that encourage good draft and complete combustion Backpuffing Backpuffing is a condition that results when the draft is too weak to pull flue gases out of the chimney system as fast as the fire is generating more Volatile gases build up within the firebox until reaching a density and temperature at which they ignite With this ignition you may hear a muffled popping sound and see a bit of smoke forced out of the air inlets This condition is most likely to occur in the spring or fall when moderate outdoor temperatures and low inten sity fires combine to inhibit draft strength If your stove backpuffs open the damper to let the smoke rise to the flue more quickly Also open the air inlets to induce a livelier fire and speed airflow through the stove Avoid large loads of firewood at one time You should always see lively dancing flames in the firebox a lazy smoky fire is inefficient and will promote draft problems Draft Test
40. nction is to keep the smoke warm it is best to locate it inside the house This loca tion uses the house as insulation for the flue and allows some radiant heat release from the flue into the home Since an interior chimney does not continuously lose its heat to the outdoors it takes less heat from the stove to get it warm and keep it warm The flue size for a controlled combustion appliance should be based on the cross sectional volume of the stove flue outlet In this case more is definitely not better Hot gases lose heat through expansion if a stove with a six inch flue collar 28 square inch area is vented into a 10 x 10 flue the gases will expand to over three times their original volume As gases cool with expansion draft strength decreases If an over sized flue is also outside the house the heat it absorbs will be conducted to the outdoor air and the flue will remain relatively cool It is common for a masonry flue to be oversized for the stove Such a chimney can take quite a while to warm up and the stove performance will likely be disappoint ing The best solution to an oversize flue problem is the installation of an insulated steel chimney liner of the same diameter as the appliance flue outlet The liner keeps the exhaust gas warm and the result is a stronger draft An uninsulated liner is a second choice although the liner will keep the exhaust restricted to its original volume the air around the liner will r
41. ning Stove When A 9 229 mm Max B 22 2 572 mm Min A 7 191 mm Max B 21 533 mm Min 152 mm Max 9 495 mm Min 12 114 mm Max 457 mm Min Min 15 381mm 76 mm Max 612 419 mm Min 12 38 mm Max 381 mm Min Fig 20 Mantel and trim clearances Fireplace Clearances A fireplace installation requires special clearance be tween the side of the stove and the right and left walls the side of the stove and the decorative side trim on the fireplace face and the top of the stove and the mantel Maximum Mantel depth A Fig 20 of a combustible mantel is 9 230 mm At that depth the clearance to the stove top B must be a minimum of 2212 572 mm Top Trim C protruding less than 11 2 38mm from the face of the fireplace must be a minimum of 12 305mm from the stove top This clearance may not be reduced by shielding For every 11 2 38 mm increment that the trim or man tel extends in depth the clearance from the stove top must also be increased by 11 2 38 mm Side Trim must have a minimum clearance of 8 203 mm measured from the stove s top edge D Fig 20 Alcove Clearances The Aspen is approved for installation into an alcove constructed to maintain the clearances diagramed in Figure 21 12
42. no listed heat shield installed When the wall does have a listed heat shield mounted on it In general the greatest clearance is required when the stove will be positioned with no heat shield near a wall with no heat shield The least clearance is required when both the stove and the wall have heat shields Reducing a stove clearance may require installation of a listed heat shield on the chimney connector as well Clearances may be reduced only by means approved by the regulatory authority or in accordance with the clearances listed in this manual When determining clearance always measure from the top plate of the stove or from the chimney connec tor itself to the adjacent combustible surface Do not measure from the heat shields of the stove or connector to the combustible surface 30000369 Wall shields should be constructed of 24 gauge or heavier sheet metal or another noncombustible mate rial such as 1 2 13mm insulation board or common brick laid on flat with the 31 2 90mm side down Shields must be spaced out from the combustible sur face 1 25mm on noncombustible spacers The spac ers should not be directly behind the stove or chimney connector Air must be able to flow between the wall and the shield At least 50 of the bottom 1 25mm of the shield should be open and the shield must be open at the top Mi Air flow Screen Stud wall framing Wall shield Noncombus tible
43. occasional dusting with a dry rag will keep the clips Fig 32 The glass is coated on one side which painted cast iron of your Aspen looking new is slightly colored Remove the door from the stove and The stove s paint can be touched up as needed First place it on a sturdy level work surface Use a towel to clean the areas to be painted with a wire brush Then protect the porcelain enamel finish touch up the stove with high temperature stove paint 1 Remove the Door Manifold Two phillips head Apply the paint sparingly and keep in mind that two screws light coats of paint are better than a single heavy one 2 Remove the Retainer Clips Two phillips head Care of Porcelain Enamel Finish screws on each clip Inspect the Gasket If the window gasket is in good condition you can leave it in place If you replace it use only CFM Corporation gaskets two vertical PN 00 Use a dry or slightly damp rag or a soft brush to remove spills or stains For difficult jobs that require a cleaning aa ee Po a pada aan naa Ja 30000383 one horizontal PN 30000384 Be sure ek ae Bh the channel around the window opening is clean Cleaning the Glass and free of dust Place the three flat gaskets two vertical one hori zontal into the panel inset as shown in Figure 32 Install the Glass Lay the glass on the inner gasket with the coated side down toward the outside of the door Tighten the screws snugly but loose enough to allow fo
44. otection Association s publication ANSI NFPA 211 1988 Standard for Chimneys Fire places Vents and Solid Fuel Burning Appliances In Canada the equivalent publication is CSA CAN B365 Installation Code for Solid Fuel Burning Appliances and Equipment These standards are the bases for many national codes They are nationally recognized and are accepted by most local authorities Your local dealer or your local building official may have a copy of these regulations IMPORTANT Failure to follow these installation instructions may result in a dangerous situation in cluding a chimney or house fire Follow all instruc tions exactly and do not allow makeshift compro mises to endanger property and personal safety Your stove must be connected either to a sound masonry chimney that meets local codes to a relined masonry chimney that meets local codes or to an approved prefabricated metal chimney Whichever of those types you use the chimney and chimney connec tor must be in good condition and kept clean If you use an existing masonry chimney it must be inspected to ensure safe condition before the stove is installed Your local professional chimney sweep build ing inspector or fire department official will be able to make the inspection or direct you to someone who can 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
45. ove 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 pigment has burned off Overfir ing in enamel fireplaces is identified by bubbling cracking chipping and discoloration of the porcelain enamel finish CFM Corporation 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 de scribed in the Owner s Guide nor does it cover any stove which has been modified unless authorized by a CFM Cor poration representative in writing This warranty does not cover damage to the stove caused by burning salt saturated wood chemically treated wood or any fuel not recommend ed in the Owner s Guide 30000369 4 This warranty does not cover a stove repaired by someone other than a CFM Corporation 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 CFM Corporation Authorized Dealer from whom you purchased your stove or CFM Corporation if the purchase was direct Do not operate the stove as this may negate the ability to process the claim with the carrier 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 Owner s Guid
46. pairs to a masonry chimney e Inspect the chimney connector and replace any damaged sections e Clean ash debris from under the primary air plate See procedure below 30000369 Aspen Woodburning Stove Check gasketing for wear or compression and replace if necessary A paper test will guide you on this Close and lock the door or damper on a slip of paper and then try to pull the paper out If the paper pulls out with little or no resistance the gasket isn t snug enough at that spot If adjusting the damper or latch doesn t result in a seal that makes it hard to pull the paper out replace the gasketing e Check door handle for tightness Adjust if needed e Check heat shield screws Tighten as necessary e Clean dust from the inner sides of bottom rear and connector heat shields e Remove ashes from the ash pan and replace with moisture absorbing material such as cat litter to keep the stove interior dry Close the stove door to keep cats from using the litter e Touch up the paint on black stoves Clean the Primary Air Outlet 1 Remove the phillips head screw that retains the Primary Air Plate Fig 34 2 Use a screwdriver to pry the plate out of the cement ed seams 3 Remove ash debris from the cavity 4 Use high temperature furnace cement to reseal the front seam and side seams and replace the plate Secure with the phillips head screw Phillips Head Screw Primary Air Plate Remo
47. r a little movement of the glass when the stove is in operation Overtightening can crack the Most of the carbon deposits on the glass will burn off during hot fires However the ash residue that accumu lates on the glass surface should be removed regularly to prevent etching Follow this procedure to clean the glass e Be sure the glass is completely cool A Clean the glass with water or a cleaner made glass immediately or cause it to crack if it is unable especially for this purpose Do not use abrasive to expand when hot cleaners e Rinse the glass thoroughly e Dry the alass comoletelv Glass Clip Door Manifold Vertical Gasket Horizontal Gasket Fig 32 Door glass installation Glass Panel 30000369 21 Aspen Woodburning Stove Gasket Replacement Your Aspen 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 effective ness These will need periodic replacement The sizes of replaceable gasket are listed below along with their applications Gasket Diameter And the Parts it Seals 5 16 Round Flue Collar Gasket 3 8 Round Top 7 16 Round Door Gasket 1 2 Flat two Vertical Gasket for glass 1 2 Flat Horizontal Gasket for glass Wait until the fire is out and the stove has cooled Be sure to follow the standard safety procedure for
48. ration this manual includes directions on maintenance and assembly Please read this entire manual before you install or operate your new room heater Save These Instructions For Future Reference Table of Contents Proposition 65 WARNING Fuels used in gas woodburning or oil fired appliances and the prod ucts of combustion of such fuels contain chemicals Specifications Installation Requirements Clearances Assembly known to the State of California to cause cancer birth defects and other reproductive harm California Health amp Safety Code Sec 25249 6 Operation Maintenance Appendix Draft Management Replacement Parts Warranty 2 30000369 Aspen Woodburning Stove Specifications Aspen Model 1920 EPA Emissions rating 4 3 g h non catalytic Maximum heat output aaannai 18 000 Btu s hr Area heated 1 Up to 600 sq ft 56 sq m Fuel SIZG tY Pe senscrasoersror nren 16 41 cm logs LOAGING we aaa sasa agan aaa E a ad AAN KK AA KB NGA WH AA NAK aa AE NGA Front Chimney connector 4 1 6 152 mm diameter Chimney flue size 41150 6 152 mm minimum Flue exit position Reversible top or rear Primary air Manually set thermostatically maintained Ash handling system Removable ash pan Glass panel 0 0eee High temperature ceramic WO IGN E KEN AT AN E gears
49. rew 8 1201326 51 Gasket Flat w adhesive 3 ft 30000504 52 _1 4 20x3 8 Pan Hd Phillips Screw 1201053 53 Deflector Rib 30000597 54 Bottom Heat Shield 0001895 55 Handle Screw Pan head Phillips 1200986 56 Washer Flat 10 218 id x 5 od 1202423 Shell Enamel Parts Aspen Part Name Vermont Forest Suede Classic Green Brown Classic Green Bordeaux 30004007 30004010 30004009 30004008 30004004 30004005 30004012 30004006 30000502 30000539 30000540 30002594 30003173 30004013 30000360 30000484 30000493 30002592 30003171 30004011 Top Ill Left Side Right Side Flue Collar Flue Cover Front Ashlip Door Leg Set of Four Single Leg 28 30000369 Aspen Woodburning Stove 30000369 29 Aspen Woodburning Stove 30 30000369 Warranty Limited 3 Year Warranty CFM Corporation warrants that this woodburning stove will be free of defects in material and workmanship for a period of three years from the date you receive it except that the catalyst thermostat assembly handles glass door panels cement and gasketing shall be warranted as described below Products will repair or replace at its option any part found to be defective upon inspection by a CFM Corporation Authorized Dealer The customer must return the defective part or the stove with shipping prepaid to the Authorized Dealer or pay for any Authorized Dealer in home travel fees or service charges for in home repair work It is t
50. s during the heating season as part of a regular maintenance schedule To inspect the chimney let the stove cool completely Then using a mirror and a strong light sight up through the flue collar into the chimney flue If it is not possible to inspect the flue system in this fashion the stove must be disconnected to provide better view ing access If a significant layer of creosote has accumulated 1 8 3 mm or more remove it to reduce the risk of a chimney fire Clean the chimney using a brush the same size and shape as the flue liner Flexible fiberglass rods are used to run the brush up and down the liner causing 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 discon necting the sections taking them outside and removing any deposits with a stiff wire brush Reinstall the con nector sections after cleaning being sure to secure the individual sections with sheet metal screws If you cannot inspect or clean the chimney yourself contact your local Vermont Castings Authorized Dealer or hire a professional chimney sweep Annual Maintenance Perform a thorough cleaning inspection and repair each Spring at the end of the heating season e Thoroughly clean the chimney and chimney connec tor e Inspect the chimney for damage and deterioration Replace weak sections of prefabricated chimney Have a mason make re
51. sh the fire to burn The control setting also depends on your particular installation s 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 local geography nearby obstructions and other factors Too much draft may cause excessive temperatures in the Aspen and could even damage it On the other hand too little draft can cause backpuffing into the room and or the plugging of the chimney How do you know if your draft is excessively high or low Symptoms of too much draft include an uncontrol lable burn or a glowing red stove part A sign of inad equate draft is smoke leaking into the room through the stove or chimney connector joints low heat and dirty glass 17 Aspen Woodburning Stove In newer homes that are well insulated and weather tight poor draft may result from insufficient air in the house In such cases a slightly opened window or door near the stove on the windward side of the house will provide the fresh air needed A more effective option for delivering ample combustion air to the stove is to duct air directly from outdoors to the stove In fact in some areas provisions for outside combustion air are required in all new construction The optional Aspen Outside Air Adapter 1897 is available from your dealer When you first begin using the stove pay attention to the air control settings
52. tribu tion duct or system 30000369 Aspen Woodburning Stove Ask your dealer about components available for con necting the stove to a steel chimney liner Chimney Connector Guidelines Achimney connector is the double wall or single wall pipe that connects the stove to the chimney The chim ney itself is a masonry or prefabricated structure that encloses the flue Chimney connectors are used only to make the connection from the stove to the chimney They are for interior use only Double wall connectors must be tested and listed for use with solid fuel burning appliances Single wall con nectors should be made of 24 gauge or heavier steel and should be 6 152mm in diameter Do not use galvanized chimney connector it cannot withstand the high temperatures that can be reached by smoke and exhaust gases and may release toxic fumes under high heat If possible do not pass the chimney connector through a combus tible wall or ceiling If passage through a combustible wall is unavoidable refer to the recommendations in the section follow ing on Wall Pass throughs Do not pass the connector through an attic a closet or any similar concealed space The whole chimney connector should be ex posed and accessible for inspection and cleaning Flue gas direction Fig 4 Chimney connector Install the single wall chimney connector not less than 18 457mm from the ceiling Keep it as short and direct as
53. uel burns from front to rear Fig 31 Step 4 Load wood smaller split pieces first Close the door Ideal performance will be achieved by oper ating with the air control set in the maximum HIGH positon for several minutes after refueling Reset the primary air control for the desired heat output after the fire is re established 30000369 Aspen Woodburning Stove Fig 29 Start a fire with small dry kindling Fig 30 Gradually add larger pieces of wood until all the wood is burning well 19 Aspen Woodburning Stove Ash Disposal Remove ash before it reaches the top of the ash pan Check the level at least once a day and before each re fueling Using stove gloves pull the ash pan out of the stove by its handle Remove the ash pan and properly dispose of the ashes Be sure to keep the pan level dur ing disposal Empty the ash pan regularly typically every one to three days The frequency will vary depending on how you operate your Aspen if you burn more wood at higher heat output settings ash will accumulate rapidly Dispose of ashes into a metal container with a tight fit ting lid kept outdoors Put the closed container of ash on a noncombustible 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 keep it in the closed container until all cinders have thoroughl
54. ve All Ash Debris from this Cavity Fig 34 Remove phillips head screw and primary air plate to clean ash from cavity 23 Aspen Woodburning Stove Draft Management Your stove is only one part of a system that includes the chimney the operator the fuel and the home The other parts of the system will affect how well the stove works When there is a good match between all the parts the stove works well Wood stove operation depends on natural unforced draft Natural draft occurs when exhaust gas is hotter and therefore lighter than the outdoor air at the top of the chimney The greater the temperature differ ence the stronger the draft As the hot exhaust gas rises out of the chimney it generates suction that draws air into the stove for combustion A slow lazy fire with the stove s air inlets fully open indicates a weak draft A brisk fire supported only by air entering the stove through the normal inlets indicates a good draft The inlets are passive they regulate how much air can enter the stove but they do not move air into it The efficiency of a modern woodburning appliance in which the amount of air available for combustion is regulated depends on the chimney to keep exhaust gases warm all the way outdoors The characteristics of your chimney whether it is steel or masonry interior or exterior matched or mismatched to the stove collar determine how quickly it will warm up and
55. ventilated steel thimble Chimney clearance to sheet steel supports and combustibles 2 51mm Min ASPACE 2 51mm Min lt Chimney Con nector himney Flue Prefab Chim ney Section Prefab Chimney Section 24 ga Sheet Steel Supports 24 ga Sheet Steel Supports Masonry Chimney construct ed to NFPA 211 Min 18 460mm Chimney clearance to sheet stee 2 51mm supports and combustibles ina Min Min 18 460mm lt Chimney Connector i 24 ga Sheet Steel Support Chimney Flue 24 ga Sheet Steel Support one side only Masonry Chimney constructed to CAN CSA B365 Fig 13 CSA approved Wall Pass through 30000369 Floor Protection A tremendous amount of heat radiates from the bottom plate of your Aspen The floor area directly under and around the stove will require protection from radiant heat as well as from stray sparks or embers that may escape the firebox Heat protection is provided through the use of a Bot tom Heat Shield 1895 Spark and ember protection must be provided by a floor protector constructed with noncombustible material as specified Most installations will require that the bottom heat shield be attached Only when the stove is placed ona completely noncombustible surface such as unpainted concrete over earth may it be used without the heat shield Even when the bottom heat shield is installed you must provide specia
56. wdriver e power drill w 1 8 3mm bit on the pallet to install e stub handle phillips screwdriver w IAN first one front and one e 7 16 open end wrench for Ashlip amp Outside Air NG i gt lt rear leg Adapter W i Unpack the Stove Remove the shipping straps and plastic wrap 2 Inspect the stove and contents for shipping damage or missing parts Immediately notify your dealer of any damage Do not install this stove if any damage Carefully tilt the stove is evident or any paris are missing Hardware Bag contents e Stove Legs 4 Then tilt the stove up on those legs to install the remaining two e Hex Head Leg bolts with washers 4 e 1 4 20 x 5 8 hex head screws with washers 2 e 10 x 1 2 sheet metal screws 3 e Owner s Registration Card Touch up Paint Porcelain enamel stoves only Install Stove Legs Leg installation will be accomplished most easily with the help of an assistant who can tilt the stove onto its side while you attach the legs 1 With your assistant holding the stove up on its side remove the slotted screws from the leg mounting holes at each corner of the stove bottom Install two legs using the hex head bolts with wash ers from the parts bag The shoulder of the legs should seat within the locator bosses cast into the stove bottom at each corner Fig 22 Tighten the bolts with the wrench CAUTION Overtighening can strip tapped threads With your assistant l
57. working with dusty materials Wear safety goggles and a dust mask Step 1 Remove the existing gasket by grasping an end and pulling firmly Step 2 Use a wire brush or a screwdriver to clean the channel of any remaining cement or bits of gasket Remove stubborn deposits of cement with a cold chisel if necessary Step 3 Determine the correct length of the appropri ate sized gasket by laying it out in the channel Allow an extra 1 2 25 51 mm and mark the spot to be cut Step 4 Remove the gasket from the channel place it on a wood cutting surface and cut it at the marked spot with a utility knife Twist the ends slightly to discourage the gasket from unraveling Step 5 Lay an unbroken 1 8 3 mm bead of gasket cement in the newly cleaned channel Step 6 Starting at one end press the gasket into the channel Ensure a good joint where the gasket meets before trimming any excess Do not overlap the gasket ends or leave ends with ragged edges Step 7 Press the gasketed part firmly against its normal mating surface to seat the gasket evenly in its channel Close and latch the door to do this close the door on a piece of waxed paper to keep the cement from migrating onto the non gasketed part or tap other parts Step 8 Clean excess cement from around the channel Let the cement that holds the new gasket dry thor oughly 22 Adjust the Door The door latch may need adjustment as the gasket material compr
58. y cooled You can use wood ash as a garden fertilizer CAUTION Never use your household or shop vac uum cleaner to remove ash from the stove always remove and dispose of the ash properly Primary Air Outlet Plate Fig 31 Primary air outlet keep clear of ash and charcoal accumulation 20 CAUTION AVOID SLAMMING THE STOVE DOOR OR STRIKING THE GLASS PANEL DO NOT OPERATE THE STOVE WITH THE GLASS PANEL MISSING DAMAGED OR BROKEN DO NOT INSTALL SUBSTITUTE MATERIALS SEE MAINTENANCE SECTION FOR REPLACEMENT INSTRUCTIONS Smoke Detectors The use of smoke detectors throughout the home is strongly advised if not required by building codes or in surance regulations It is a good idea to install a smoke detector in the living areas and each bedroom You may not however wish to install a detector in the immediate vicinity of the stove Depending on the sensi tivity of the unit the alarm can be set off while you are tending the fire or emptying the ashes If you install a detector in the same room locate it as far away from the stove as possible 30000369 Aspen Woodburning Stove Maintenance Let the fire in the stove go out and allow the stove to GI Repl t cool completely before beginning any maintenance procedure Replace glass only with CFM Corporation part no 30000362 The glass panel rests on a cushion pro Care of the Cast Iron Surface vided by three flat gaskets and is held in place by two An
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