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VSW20 Wood Stove

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20300059

Congratulations  on  your  choice  of  a  Vermont  Castings  Challenger.  With  this  purchase,  you 
made a commitment to make the hearth a place of warmth, beauty and comfort in your home. 
At MHSC, we share that joy and appreciation of the hearth, and we show it in all our cast iron 
stoves and fireplaces. 
As you become acquainted with your new stove, you will find the aesthetic appeal of cast iron 
is matched only by its superb capacity to absorb and radiate heat.
Also, MHSC products are among the cleanest burning wood stoves and fireplaces available 
today. As an owner of a MHSC stove, you are making a strong statement for pollution-free en-
ergy. But clean burning depends on both the manufacturer and the operator. Please read this 
manual carefully to understand how to properly operate your stove.
At MHSC, we are equally committed to your satisfaction as a customer and that is why we main-
tain an exclusive network of the finest dealers in the industry. Chosen for their expertise and 
dedication to customer service, our dealers are factory-trained and know each MHSC product 
in detail. Feel free to contact your Authorized Vermont Castings Dealer anytime you have a 
question about your stove or its performance. 
We have built your stove with the utmost care. With normal use and proper care, it will provide 
you with many years of service.
This manual contains valuable instructions on the installation and operation of your Vermont 
Castings stove. You will also find useful information on assembly and maintenance procedures. 
We urge you to read the manual thoroughly and to keep it as a reference.

Sincerely,

All of us at MHSC

This manual describes the installation, operation, and maintenance of the Vermont Castings 
Challenger wood burning heater.  This heater meets the U.S. Environmental Protection Agency’s 
emission limits for wood heaters sold on or after July 1, 1990.  Under specific test conditions this 
heater has been shown to deliver heat at rates ranging from 11,000 to 45,000 Btu/hr.
The stove has been tested and is listed by OMNI - Test Laboratories, Inc. of Portland, Oregon. 
The test standards are ANSI/UL-1482 for the United States, and ULC  S627 for Canada. The 
Challenger is listed for burning wood only. Do not burn other fuels. The Challenger is approved 
for use in manufactured (mobile) homes in the United States and Canada, only when installed 
with Vermont Castings Mobile Home Kit No. SSWMHIK. 
Installation or service of this woodburning stove should only be completed by a qualified installer, 
preferably NFI or WETT (Canada) certified.
Please read this entire manual before you install and use your new stove. Failure to follow 
instructions may result in property damage, bodily injury, or even death.

WElCOME

NOTICE

Save  These  Instructions  for  Future 
Reference

Summary of Contents for VSW20

Page 1: ...perly installed 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...

Page 2: ...e and proper care it will provide you with many years of service This manual contains valuable instructions on the installation and operation of your Vermont Castings stove You will also find useful i...

Page 3: ...such fuels contain chemicals known to the State of California to cause cancer birth defects and other reproductive harm California Health and Safety Code Sec 25249 6 WARNING HOT GLASS WILL CAUSE BURN...

Page 4: ...wood fuel The stove is intended for operation only with the door fully closed Do not install any products not specified for use with this stove SAFETY INFORMATION BEFORE INSTALLATION OF YOUR APPLI AN...

Page 5: ...aft is obtained operate only with doors closed and open slowly when re fueling This will reduce or eliminate smoke from entering the room Attempts to achieve higher output rates that exceed heater des...

Page 6: ...pending on how the stove is operated type and moisture content of fuel and other factors Maximum burn times are achieved under different operating conditions than are maximum heat outputs 2 These valu...

Page 7: ...r combustion because of insufficient air infiltration into the building Such air enters a home through unsealed cracks and openings Kitchen or bath exhaust fans can compete with the stove for availabl...

Page 8: ...h a chimney can take quite a while to warm up and the stove performance will likely be disappointing The best solution to an oversize flue problem is the installation of an insulated steel chimney lin...

Page 9: ...te is a flammable and when ignited make an extremely hot fire within the flue system which can damage the chimney and overheat adjacent combustible material To reduce the amount of creosote that may f...

Page 10: ...connector sections Consult your local dealer about these special pieces ST242 Chimney connector 12 13 99 djt Secure the Single wall Connector to a Prefabricated Chimney For prefabricated chimneys fol...

Page 11: ...ctor Flue Collar Flue Flue Liner Thimble ST1094 Figure 5 Freestanding Installation Chimney Connection ST1095 chimney connector above fireplace Chimney Connector Shields Check These Clearances Mantel S...

Page 12: ...is separated from combustibles by 6 150 mm of fiberglass insulating material Placing a section of chimney connector inside a section of 9 230 mm diameter solid insulated factory built chimney with 2...

Page 13: ...east 16 from the front of the stove and at least 8 from the sides and rear Figure 10 In Canada a noncombustible floor protector is required under the heater also The floor protector must extend 18 457...

Page 14: ...offer the required protection of 8 203 mm on either side Optional 3 76 mm short legs may be used only on such hearths that meet the width and depth requirements out lined previously under floor prote...

Page 15: ...8 SSW40 clearances 10 08 Top Vent out the Back Wall with Minimum 2 Vertical Figure 12 Clearances to Combustibles ST1008 Clearance to Combustibles UL 1482 and ULC s627 Minimum clearance to combustible...

Page 16: ...a 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...

Page 17: ...ideal coal bed of 1 25 mm to 2 51 mm should be established to achieve optimum performance 6 This unit is designed to function most effectively when air is allowed to circulate to all areas of the fir...

Page 18: ...ith the use of a readily available oven cleaner 5 Never put substances which can ignite explosively in the unit since even small explosions in confined areas can blow out the glass 6 This unit has an...

Page 19: ...ems 3 BURN ONLY SEASONED WOOD Avoid burning wet or green wood Seasoned wood has been dried for at least one year 4 A small hot fire is preferable to a large smoldering one that can deposit creosote wi...

Page 20: ...013 8 Secondary Air Tube Middle 1 63D1012 9 Secondary Air Tube Back 1 63D1011 10 C Cast Combo VSW20 1 63D1007 11 C Cast top VSW20 1 63D1009 12 Shield Rear Adjustable Air 1 63D1039 13 Shield Rear Outsi...

Page 21: ...fficient space in the firebox Adjust the air control setting to desired setting Page 17 i Note The lower the air control setting the longer the burn time of your firewood 2 What type of wood is best t...

Page 22: ...r or not there is sufficient air in your home for your stove curtail from using those appliances known to consume the air where possible or open a window or door to allow air to enter the home b Envir...

Page 23: ...e Warranty will also be void if the appliance is not operated and maintained according to the operating instructions supplied with the appliance and does not extend to 1 firebox burner assembly damage...

Page 24: ...VSW20 Wood Stove 24 20300059 MHSC 149 Cleveland Drive Paris Kentucky 40361 www mhsc com...

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