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Homeowner’s 
Installation and 
Operating Manual

For use in the 
United States and Canada

Do Not Discard This Manual: Retain for Future Use

2000966  9/10  Rev. 30

The Intrepid

®

 II

Woodburning Stove

Model 1990

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.

0966
Intrepid Cover
11/00

Summary of Contents for The Intrepid II 1990

Page 1: ...1990 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 0966 Intrepid Cover 11 00 ...

Page 2: ...nd 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 ...

Page 3: ...ca 0136 Spark screen for open fireplace use Short Legs 0868 Classic Black 1525 Suede Brown 1512 Sand 1527 Biscuit 1510 Green 1530 Chestnut Brown 1515 Bordeaux 1535 Ebony 1520 Midnight Blue 1537 Vt Classic Green 3258 Outside air kit 3248 Mobile home kit Proposition 65 Warning Fuels used in gas wood burning or oil fired appliances and the products of combustion of such fuels contain chemicals known ...

Page 4: ...th leg to leg 21 545 mm Depth leg to leg 13 350 mm Height to top of flue collar with regular legs 25 635 mm top exit 24 610 mm rear exit with optional short legs 21 535 mm top exit 19 500 mm rear exit 1 This value can vary depending on how the stove is operated the type and moisture content of the fuel used as well as the design construction and climatic location of your home Figures shown are bas...

Page 5: ...authorities Your local dealer or your local building official may have a copy of these regulations Important Failure to follow these in stallation instructions may result in a dangerous situation including a chimney or house fire Follow all instructions exactly and do not allow makeshift com promises to endanger property and per sonal safety Outside Air In some modern super insulated homes there i...

Page 6: ...t be one tested and listed for use with solid fuel burning appliances to the High Temperature 650 C Standard ULC S 629 for Canada DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE SERVING ANOTHER APPLIANCE Chimney Size An Intrepid II is approved for venting into a masonry chimney with a maximum flue size of 8 x 8 203 x 203 mm and into a round flue size of 6 150 mm It may not be vented into larger chimney...

Page 7: ...u drill 1 8 3 mm holes in the bottom of the next section Secure the chimney connector to the chimney Instructions for various installations follow ST242 Chimney connector 12 13 99 djt Fig 4 The crimped end of the connector points toward stove Be sure the installed stove and chimney connector are correct distances from nearby combustible material NOTE Special slip pipes and thimble sleeves that for...

Page 8: ...ening also In such installations the stove is positioned on the hearth in front of the fireplace and the chimney connector rises from the stove top and then angles ninety degrees back into the chimney Fig 7 The chimney liner should extend to the point at which the chimney connector enters the chimney If the chimney connector from your installation enters the chimney above a fireplace follow all th...

Page 9: ...ited States the National Fire Protection As sociation NFPA has established guidelines for passing chimney connectors through combustible walls Many building code inspectors follow these guidelines when approving installations Figure 9 shows one NFPA recommended method All combustible material in the wall is cut away from the single wall connector to provide the required 12 305 mm clearance Any mat...

Page 10: ...oved before installation of the floor protector The floor protector may be covered with a noncombustible decorative material if desired When using brick tile or stone individual pieces must be mortared so sparks cannot fall through Most installations will require that the bottom heat shield be attached Only when the stove is placed on a completely noncombustible surface such as unpainted concrete ...

Page 11: ...ned between the hot stove and its connector and nearby combustibles Clearance is the distance between either your stove measured from the back edge of the stove s top plate or chimney connector and nearby walls floors the ceiling and any other fixed combustible surface Your stove has special clearance requirements that have been established after careful research and testing to UL and ULC standard...

Page 12: ...hield must be open at the top Fig 13 The wall shield for a stove must extend 10 254 mm above the top of the stove or a height of 35 890 mm The wall shield for the chimney connector must be 36 914 mm wide centered behind the connector for installations that use an approved prefabricated chim ney to pass through the ceiling the chimney connector shield used with single wall connector must stop 1 25 ...

Page 13: ...edge With a ventilated trim shield the clear ance may be reduced safely to 10 254 mm If the trim extends more than 2 51 mm wall clearance require ments apply The charts and sample installations that follow list the clearances required for the various installation configu rations of the Intrepid II ST253 trim clearances 12 15 99 djt C C A B ST253 Fireplace Mantel and Trim Clearances Measured from t...

Page 14: ...6 Max ST505 Alcove Ceiling plan 11 00 Existing Combustible Framing Metal studs support 7 16 Durock or equivalent ceiling ST505 Fig 19 Reflected ceiling plan 65 62 Min to Alcove Ceiling ST506 Alcove front view 11 00 Ceiling sup port package extends 2 below Durock or equivalent ceiling 1 air gap top bottom on both sides and back wall ST506 Fig 20 Front view 65 minimum clearance form hearth to combus...

Page 15: ...ng shield along the line of intersection with the wall protector 5 In top exit installations this clearance requires the use of the rear heat shield with the shield insert installed Stove Installed Stove in Stove Installed Stove in Parallel to Wall Corner Parallel to Wall Corner Side Rear Corners Side Rear Corners No stove heat shields A 24 B 30 C 20 D 12 E 16 F 10 610 mm 762 mm 508 mm 305 mm 406 ...

Page 16: ...imensions indicated by letter in the diagrams below Stove Installed Parallel to Wall Stove in Corner Stove Installed Parallel to Wall Protected Surfaces Unprotected Surfaces Top Exit Installations no heat shields Top Exit Installations rear heat shield and chimney connector heat shields or double wall connector Rear Exit Installations rear heat shields ST507 N A N A Stove in Corner ...

Page 17: ...onnector and wall shields Wall shields MUST meet at corner Connector heat shield extends 28 710mm above flue collar A 24 610mm diameter ceiling heat shield must surround the chimney and be suspended 1 25mm from ceiling INT REPID II C C C C D F A B E D ST508 Intrepid II wall shield 11 00 A 36 914 mm B 30 762 mm C 1 25 mm D 35 889 mm E 44 1118 mm F 40 1016 mm ST508a Fig 24 Parallel installation vert...

Page 18: ...the center of the flue collar Refer to the diagrams above Side A Rear B Corner C Side D Rear E Corner F 34 15 18 22 8 16 883 mm 381 mm 476 mm 578 mm 203 mm 426 mm Parallel Installations Corner Installations Corner Installations Parallel Installations Intrepid II WITH Stove and Chimney Connector Heat Shields Unprotected Surfaces Protected Surfaces ST511a Intrepid flue centerline Diagrams 11 16 00 A...

Page 19: ... from the stove bottom Install the Bottom Heat Shield A bottom heat shield must be used unless the stove is to be situated on a completely noncombustible hearth such as unpainted concrete over earth To install the bottom heat shield loosen the leg bolts and slip the bottom heat shield C clips onto the bolts Attach the bottom heat shield to the C clips with the wing nuts and tighten the leg bolts A...

Page 20: ...ns left and right assume that you are facing the front of the stove A Single Air Control Regulates the Amount of Heat the Fire Will Produce and How Long it Will Burn The primary air control lever located at the right rear corner of the stove controls the amount of incoming air for starting maintaining and reviving a fire More air entering the stove makes the fire burn hotter and faster while less ...

Page 21: ... place them on a noncombustible surface until you replace them in the stove Most stove owners will prefer the convenience of top loading through the griddle and will leave the andirons in place permanently ST519 Intrepid II damper 11 20 00 djt Open Updraft Mode Closed Catalytic Mode ST519 Fig 34 The damper is either open or closed There are no intermediate positions Side View ST520 Intrepid andiro...

Page 22: ... not been properly seasoned The wood should be 16 410mm in length 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 St...

Page 23: ...hese directions Use the following air control settings as a starting point to help determine the best settings for your installation Each is described as a fraction of the total distance the lever may be moved from right to left Intrepid II Control Settings Burn Rate Primary Air Control Low From far right to 1 3 the distance to left Medium From 1 3 to 2 3 the distance to left High From 2 3 the dis...

Page 24: ...r when refueling 1 Open the stove damper and open the primary air control fully 2 Place several sheets of crumpled newspaper in the stove Do not use glossy advertisements or colored paper as they can poison the catalyst 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 50 mm ...

Page 25: ...s either fully open or fully closed ST264 good fire 12 99 ST264 Fig 40 Add larger pieces of wood as the fire begins to burn well ST264a add wood fire 11 00 ST264a Fig 41 Add full size logs when the ember bed is 3 75mm deep CAUTION The Intrepid II 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...

Page 26: ... takes less heat from the stove to get it warm and keep it warm Flue sizing The inside size of a chimney for an airtight stove should match the size of the stove s flue outlet When a chimney serves an airtight more is not better in fact it can be a disadvantage Hot gases cool off through expansion if we vent a stove with a six inch flue collar 28 square inch area into a 10 x 10 flue the gases expa...

Page 27: ...ant If your dry wood burns out too quickly or overloads the catalyst you can mix in greener wood to slow the fire down Back puffing Back puffing results when the fire produces volatile gases faster than the chimney draft pulls them out of the firebox The gases back up in the firebox till they re dense enough and hot enough to ignite If your stove back puffs you should open up the damper to let the...

Page 28: ...e side which is marked THIS SIDE OUT 1 Remove the door from the stove and place it on a sturdy level work surface Use a towel to protect the porcelain enamel finish 2 Remove the retainer clips Two phillips head screws on each clip 3 Inspect the gasket If the window gasket is in good condition you can leave it in place If you replace it use only Part No 1203556 Be sure the channel around the window...

Page 29: ...imary Air Shutter ST524 Fig 43 The primary air shutter must move freely ST531 Door Pawl 11 00 Pawl Small Lock ing Nut Large Lock ing Nut Set Screw Striker Screw Handle Stub ST531 Fig 44 Turn the door latch striker screw in or out to tighten or loosen the door latch Tighten the Damper Handle as Needed The damper handle is attached to the damper rod with a set screw bearing against a flat spot on th...

Page 30: ... outside and watch the smoke leaving the chimney Then open the stove damper and again watch the smoke leaving the chimney You should see significantly more smoke after the sec ond step when the stove damper is open and smoke does not go through the combustor However do not confuse smoke with steam form wet wood steam dis appears rapidly in the air smoke does not If this test indicates a problem co...

Page 31: ...bits of gasket Re move stubborn deposits of cement with a cold chisel if necessary 3 Determine the correct length of the appropriate sized gasket by laying it out in the channel Allow an extra 1 2 25 50mm and mark the spot to be cut 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 keep the gasket f...

Page 32: ...at 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 dam age the chimney and overheat adjacent combustible material If you do have a chimney fire act promptly to Close the damper and thermostat lever Get everyone ...

Page 33: ...al which is very fragile Inspect the secondary probe thermometer refer to Page 30 Check door and damper handles for tightness Ad just if needed Check heat shield screws Tighten as necessary Clean dust from the inner sides of bottom rear and connector heat shields Remove ashes from the ash pan and replace with moisture absorbing material such as cat litter to keep the stove interior dry Close the s...

Page 34: ...ces for creosote and fly ash to deposit It is important to follow the operating instructions in order to minimize these deposits and to periodically inspect your catalyst for signs of blockage Masking and Poisoning While the catalyst itself does not enter into the combus tion process it is possible for certain elements such as lead and sulfur to attach to the active sites on the surface of the hon...

Page 35: ...tove Model 1990 Item Description Part Number 1 Secondary Air Cover 1306762 2 Flue Collar See Chart Pg 36 3 Back Panel 1308662 4 Damper Rod 1602523 5 Damper Clip 1306725 6 Damper 1306701 7 Damper Housing 1306702 8 Throat Hood 1306763 9 Weld Screw 1201583 10 Upper Fireback 1306703 11 Fireback Clamp 1306724 12 3 8 16 x 1 Hex Bolt 1201456 13 Lower Fireback 1306704 15 Rear Air Tube 1308658 16 Thermosta...

Page 36: ...el 1990 continued 24 Air Flap Pin 1601551 25 Clip 1601396 26 10 24 x 3 8 Pan Head Bolt 1200983 27 10 24 x 1 4 Pan Head Bolt 1200980 28 Secondary Probe Assembly 1601489 29 Secondary Air Link 1601486 30 Phillips Bolt 1 4 20 x 5 8 1200896 31 Shim Ring 1201986 32 Secondary Air Flap 1601490 33 Refractory Chamber w Access Panel 1602527 34 Catalyst Block 30004590 35 Refractory Access Panel 1602516 36 And...

Page 37: ...ee Chart Pg 38 48 Right Side See Chart Pg 38 49 Bottom See Chart Pg 38 50 Left Side See Chart Pg 38 51 Leg See Chart Pg 38 52 Tie Rod 1601640 53 Leg Bolt 3 8 16 x 1 Hex Bolt 1201432 54 Right Air Manifold 1308654 55 Left Air Manifold 1308653 56 Handle Holder 1600600 57 Front See Chart Pg 38 58 Left Door See Chart Pg 38 59 Left Glass Panel1 1401157 60 Right Door See Chart Pg 38 61 Right Glass Panel1...

Page 38: ...22 30004821 30004825 30004823 30004829 30004828 30004830 Chestnut Brown 30003190 30003184 30003186 30003185 30003191 30003187 30003189 30001888 30003192 Ebony 30003200 30003194 30003196 30003195 30003201 30003197 30003199 30003198 30003202 Forest Green 2318657 2316764 2318656 2318655 2316561 2318647 2318649 2318648 2316333 Midnight Blue 2378657 2376764 2378656 2378655 2376561 2378647 2378649 23786...

Page 39: ...Exclusions Limitations 1 This product must be installed or serviced by a qualified installer preferably NFI or WETT Canada certified as prescribed by the local jurisdiction It must be installed and operated at all times in ac cordance with the Installation and Operating instructions furnished with the product any alterion willful abuse accident or misuse of this product shall nullify this warranty...

Page 40: ...MHSC 149 Cleveland Drive Paris Kentucky 40361 www mhsc com ...

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