Super jack/ big jack wood burning furnaces for your safety: do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. Alpha american co., 10 industrial blvd., palisade, mn 56469 www.Yukon-eagle.Com owner’s manual • assembly • installation • op...
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3 table of contents introduction furnace specifications ..........................................................3 features ................................................................................4 dangers - caution - fire hazards ......................................5-6 typical installati...
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5 danger risk of fire or explosion do not burn garbage, gasoline, drain oil, kerosene, thinners, etc. Warning risk of fire - firing door and ash door must be tightly closed during operation. - do not operate with flue draft exceeding .03” w.C. - do not store flammable materials within marked install...
6 dangers - caution - fire hazards (burn wood logs or coal only) • this furnace must be installed according to the manu- facturers instructions, nfpa and local codes. • ducts and plenums shall be constructed entirely of sheet metal. • do not use flammable liquids to start a fire. • do not attempt to...
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8 introduction this manual provides installation, operation, maintenance instructions and parts ordering information for the big jack model bj90 and the super jack model sj125 wood burning furnaces. Important please read all instructions carefully before attempting installation of this unit. Install...
Reduced clearances up to 50% less clearance between combustible walls and chimney connector to furnace and ducts is allowed if insulated according to nfpa standard 90b or your local building code. This copyrighted book is available from the national fire protection association inc. 1 batterymarch pa...
Installation important: make these adjustments when installing. Vertical flue: 1. Adjustment weight must be in right hand slot (marked "v") in bracket on gate. 2. The arrow on flap at bottom of gate must line up with let- ter "v" on lower right part of gate. If it does not, remove flap, turn over an...
11 furnace located in confined space when the furnace is in a utility room, install two open grilles in a wall or door opening to the rest of the house. One grille will supply combustion air. Locate it near the floor. The other grille is for ven- tilation. Locate it close to the ceiling. Each grille...
12 combustion air make-up outside air to the furnace for proper fuel combustion must be provided by openings to the outside of the building. The open- ings of ducts supplying such make-up air shall have unobstructed areas not less than the area of the flue furnace pipe. Note outside air is needed to...
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14 operation of your new jack line wood burning furnace check that your main blower and draft blower are in proper working order before lighting a fire. Turn thermostat upstairs to high temperature so draft blow- er turns on, then turn thermostat back to proper setting, turn- ing draft blower off. C...
15 maintenance 1. At the start of the heating season... • it is advisable to have your local furnace man inspect and service your furnace for the coming heat- ing season. • the furnace, smoke pipe and chimney should be cleaned and checked for repairs. 2. Emergency stops • shut off all electrical pow...
16 service hints main blower vibrating when in use... Possible cause loose allen screw on squirrel cage bad motor bearings weight on squirrel cage wheel moved in shipment main blower or blowers continue to run... Possible cause fan limit control on unit is set too low bad fan limit control improper ...
17 solution if you have to use wet wood, make loads smaller and burn them hotter. Avoid using if possible. Measure draft with gauge. Should be set at .03 water column. Smaller and hotter fires. Check page 12 of this manual for proper installation of outside combustion air to the furnace room. The ai...
Faulty chimney and/or draft problems - causes and cures a sound chimney system is imperative, especially when burning wood. Indoor chimneys, either masonry or type "ht" metal chim- neys are best. Because warm air rises, a warm chimney allows the smoke and other by-products of combustion a natural ex...
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20 big jack bj90 parts list.
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22 super jack sj125 parts list.
Super jack/ big jack wood burning furnaces alpha american co., 10 industrial blvd., palisade, mn 56469 www.Yukon-eagle.Com owner’s manual model no.’s bj90 - sj125 caution: read rules and instructions carefully for safe operation important: installation must be made in accordance with state and local...
