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Green Mountain 40
(Model 8640)
Woodstove
OWNER'S MANUAL
Installation And
Operating Instructions
SAVE THIS OWNER'S MANUAL
FOR FUTURE REFERENCE
PLEASE READ THIS ENTIRE OWNER'S MANUAL BEFORE YOU INSTALL AND USE YOUR
NEW GREEN MOUNTAIN 40 WOOD STOVE.
If this room heater is not properly installed, a house fire may result.
To reduce the risk of fire, follow the installation instructions.
Failure to follow these instructions can result in property damage, bodily injury, or even death.
Conforms to UL Std. 1482
Certified to ULC Std. S627
CONTACT LOCAL AUTHORITIES WITH JURISDICTION (BUILDING DEPARTMENT or FIRE
OFFICIALS), ABOUT PERMITS REQUIRED, RESTRICTIONS AND INSTALLATION
INSPECTION IN YOUR AREA.
Green Mountain 40 (Model 8640)
Manual: 6400-41404
R: 01/18/2018

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Summary of Contents for HearthStone Green Mountain 40

  • Page 1 FOR FUTURE REFERENCE PLEASE READ THIS ENTIRE OWNER’S MANUAL BEFORE YOU INSTALL AND USE YOUR NEW GREEN MOUNTAIN 40 WOOD STOVE. If this room heater is not properly installed, a house fire may result. To reduce the risk of fire, follow the installation instructions.
  • Page 2 CO Emissions: The Green Mountain 40 has the following CO emission rates by burn level: Category 1 (low) –17.4 g/hr., Category 2 (med. low) – 32.9 g/hr., Category 3 (med. high) – 54.9 g/hr. and Category 4 – 69.9 g/hr. Wet wood or unapproved fuel described above can greatly affect the emissions of a wood burning stove.
  • Page 3: Table Of Contents

    ................................28 ASKETS ................................. 28 LASS TROUBLESHOOTING ......................29 ........................... 30 ROUBLESHOOTING UIDE & O ....................32 EPLACEMENT ARTS PTIONAL CCESSORIES SAFETY LABEL ........................33 WARRANTY .......................... 34 Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 4: Introduction

    NTRODUCTION • Thank you for purchasing a Green Mountain 40 SAFETY NOTICE: woodstove from Hearthstone Quality Home Heating AN IMPROPERLY INSTALLED STOVE CAN Products. This stove will provide years RESULT IN A HOUSE FIRE. FOR YOUR SAFETY, comfortable heat. This stove combines the warmth...
  • Page 5: Codes

    Never connect the stove to a flue used by Quincy, MA 02269 another appliance. www.nfpa.org If you are installing your Green Mountain 40 in a Other safety guidelines: mobile or manufactured home, follow the guidelines described in the Manufactured Home Construction •...
  • Page 6: Periodic Checklist

    2. Close the primary air control. 3. Close the stovepipe damper (if present). 4. Close the bypass damper 5. Keep the stove front door closed! Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 7: Specifications

    10 to 25 lbs. per cubic foot depending on type of wood, moisture content, packing density and other factors. Figure 1 – Green Mountain 40 Dimensions Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 8: Installation

    NPACKING NSTALLING TOVE Hearthstone packages your Green Mountain 40 Choose a place to install your Green Mountain 40 woodstove with the greatest care so that it ships woodstove. Consider the location of your stove for safely. Under certain circumstances, however, optimum heating efficiency.
  • Page 9: Earth Equirements Loor Rotection

    LOOR ROTECTION Ensure you protect combustible flooring with a covering of noncombustible material. The Green Mountain 40 does not require an insulated hearth pad. The minimum floor protection must be met under the stove and extend beyond the stove as follows: The minimum floor protection for US installations is 33in x 31-1/2in.
  • Page 10: Combustible Surface Required Clearances

    Min. Alcove ceiling from floor with single wall connector 56” – 142.3cm See NFPA-211 Min. Alcove ceiling from floor with double wall connector 56” – 142.3cm See NFPA-211 FOR BLOWER KIT, USE KIT #96-57400 Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 11 For double wall pipe clearance to ceiling, refer to pipe manufacturer specifications. See Parallel Clearance to Combustibles for clearances to the sides of the stove. ** FOR BLOWER KIT, USE KIT #96-57400 Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 12: Chimney Connector Systems And Clearances From Combustible Walls

    24-gauge thickness. Fasteners used to secure chimney section shall not penetrate chimney flue liner. Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 13: Outside Air Supply

    Screen the termination using ¼” x ¼” mesh rodent screen and cover it with a rain/wind proof hood (flex pipe, outside termination, mesh, and hood supplied by others) Contact your dealer for availability. Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 14: Venting Components & Configuration Requirements

    To protect against the possibility of a house fire, you stovepipe or onto the stove. must properly install and constantly maintain the Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 15 Ensure the size of the prefabricated chimney’s flue create a higher than normal draft. In such cases, a is appropriate for the Green Mountain 40. The Green damper can help regulate the draft. The Green Mountain 40 requires a 6" (152 mm) inside diameter Mountain 40 requires a draft between 0.06"...
  • Page 16 1" (25 mm) air space around the liner 2'-0" MINIMUM 2'-0" MINIMUM 3'-0" 3'-0" MINIMUM MINIMUM 10'-0" Figure 8 – Chimney Height Requirements Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 17 Figure 9 – Typical Chimney Configurations Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 18: Nstallinga Mobile Ome

    FIRE, PROPERTY DAMAGE, BODILY INJURY, to maintain an effective vapor barrier at the AND EVEN DEATH. location where the chimney of other component penetrates the exterior of the structure Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 19: Controls And Features

    OPERATION Once your Green Mountain 40 is installed, you are entering the firebox. Generally, the more air allowed ready to light a fire. into the firebox, the faster the rate of burn and the higher the heat output; conversely, less air creates a Every installation, season’s firewood, and operator’s...
  • Page 20 HOOSING IREWOOD Burn only natural firewood (known as cordwood) in the Green Mountain 40 Model 8640 Wood Heater. This stove is not designed to burn other fuels. • CAUTION: CHEMICALS FLAMMABLE FLUIDS TO START THE FIRE. DO CHARCOAL, PELLETS, COAL, ARTIFICIAL LOGS OR ANY OTHER MATERIALS AS FUEL;...
  • Page 21: Buildinga Fire

    Some potential Moisture content also plays a key role in the impurities are cleaning solvents, paint solvents, performance of your stove. Wood freshly cut from a Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 22: Normal Operation

    Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 23: Catalytic Combustor Operation

    35 to 45 minutes to fully heat the stovepipe and chimney. The Green Mountain 40 uses a catalytic combustor to ensure highly clean and efficient burns. The CAUTION: Do not burn fuel other than cordwood in catalytic combustor is made from a stainless steel your stove.
  • Page 24 THE FRONT DOOR MUST REMAIN CLOSED WHEN IN OPERATION EMOVAL ISPOSAL SHES You can leave a thin layer of ashes in the firebox if preferred. Allow fire to die down or go out Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 25: Maintenance

    5. Inspect the catalyst for any unusual warping, corrosion, or plugged openings. Figure 16 - Removing/Replacing the Baffle for Inspection Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 26: Replacing The Catalysts

    4. Remove the 2 bolts securing the cast iron -No detergents or chemicals. catalyst access cover, and remove the cover. Figure 19 – Catalyst Access Door Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 27: Replacing The Refractory Stone And Secondary Riser Assembly

    12. Once the gasket is installed on the catalysts, seated in the pocket at the rear of the gently push the catalysts into the catalyst bottom casting. Figure 21 - REMOVING RISER AND REAR STONES Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 28: Glass Replacement Procedures

    4mm x 329mm x 395mm Cerami, or Neoceram 6. Clean the screw holes and place a small amount glass. Contact your Hearthstone dealer. of anti-seize compound in each one. Figure 22: Front Door assembly Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 29: Creosote Formation & Removal

    We recommend that before each heating season Required Glass Kit: PN: 96-58405. you have the entire system professionally inspected, cleaned and repaired, if necessary. Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 30: Troubleshooting

    Sometimes, partially opening a first floor window sealed. This phenomenon of air starvation within the briefly will help quickly get draft established. Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 31: Troubleshooting Guide

    Do not over-fire the stove. Monitor stove temperatures. Use OF FINISH seasoned wood only. Excessive Draft Check the DRAFT. A damper may be required. Operate the stove at a LOW BURN range. Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 32 Reduce air control settings for a lower burn periods of time. rate to ensure catalyst temperatures do not exceed the CATALYSTS operating range. Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 33: Replacement Parts & Optional Accessories

    FRONT DOOR LATCH KIT 96-75400 CATALYST REPLACEMENT KIT 96-76400 BAFFLE KIT 96-57400 BLOWER KIT Refer to the Illustrated Parts list for further detail about stove components, available online at www.hearthstonestoves.com. Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 34: Safety Label

    AFETY ABEL Hearthstone Quality Home Heating Products, Inc ® Green Mountain 40 (Model 8640)
  • Page 35: Warranty

    This warranty is not transferrable. All obligations of Hearthstone under this document commence on the date of the Original Invoice (the “Purchase Date”). The term “Limited Lifetime” is defined as 10 years from the beginning of warranty coverage.
  • Page 36 Hearthstone or an authorized Dealer, as the case may be. Notwithstanding any other provision of this document, in no event will Hearthstone pay for any Dealer fees or other fees for pick up or delivery of the appliance returned for repair; the Original Purchaser shall be responsible for any such fees.
  • Page 37 10. Consequential damage caused by leaking of condensate during startup 11. A defect in any part of the appliance if the Original Purchaser fails to comply with Hearthstone’s or a Dealer’s request to ship the part or the appliance to Hearthstone or a Dealer, as the case may be.
  • Page 38 Dealer on behalf of Hearthstone, as the case may be, will instruct the Original Purchaser to either return the defective part, or the entire appliance (if requested), to the Dealer or Hearthstone or allow a Dealer to make a service call at the place where the appliance is located. Hearthstone may require that a digital picture be provided to support the claim.

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