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OWNER'S
MANUAL
• Assembly
• Installation
• Operation

• Repair Parts

• Maintenance Tips
Model No.
LWO-112 (Oil Fired)
LWG-112 (Gas Fired)
LWO-168 (Oil Fired)
LWG-168 (Gas Fired)
R e a d R u l e s A n d
I n s t r u c t i o n s
C a r e f u l l y F o r S a f e
:
IMPORTANT
Installation must be made in
accordance with NFPA, and state and local ordinances
which may differ from this installation manual.
C A U T I O N
:
O p e r a t i o n
Alpha American Co., 10 Industrial Blvd., Palisade, MN 56469
www.yukon-eagle.com 1-800-358-0060
Oil/Wood/Coal - Gas/Wood/Coal
Warm Air Central Heating Furnaces
All furnaces in this owner's manual are
UL Listed in UL File #MH11057

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Table of Contents
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Summary of Contents for Yukon LWO-112

  • Page 1: Repair Parts

    • Installation • Operation • Repair Parts • Maintenance Tips Model No. LWO-112 (Oil Fired) LWG-112 (Gas Fired) LWO-168 (Oil Fired) LWG-168 (Gas Fired) C A U T I O N R e a d R u l e s A n d...
  • Page 2 Keep children away. Do not touch. Before installing this Questions? furnace, read and follow all instructions in this manual. It is recommended that a Visit www.yukon-eagle.com heating professional installs or call or supervises the entire 1-800-358-0060 installation of the furnace,...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION Safety Statements & EPA Compliance ..............2, 4, 5-6 Specifications .
  • Page 4: Safety Statements

    Safety Statements STOP FOR SAFETY! Safe assembly, operating and maintenance practices should always be followed whenever using any equipment. Wherever you see the caution sign, extra safety precautions should be taken. You must stop, read, and carefully follow the safety instructions before proceeding. READ THROUGH THE ENTIRE MANUAL It is recommended to read through the entire manual before beginning your installation and/or operating your furnace.
  • Page 5: Safety Statements & Epa Compliance

    Yukon Furnace. Parts to be replaced under this warranty should be delivered to the dealer or contractor, or shipped directly to Alpha American Co., 10 Industrial Blvd., Palisade, MN 56469, freight prepaid. If satisfactory performance of this warranty is not available through the dealer or contractor, the purchaser may contact Alpha American Co., 10 Industrial Blvd., PO Box 20, Palisade, MN 56469 to obtain performance, but all such communi-...
  • Page 6 EPA Compliance Requirements This furnace is designed to burn oil or gas and coal and natural wood only. Higher efficiencies and lower emis- sions generally result when burning air dried seasoned hardwoods, as compared to softwoods or to green or freshly cut hardwoods.
  • Page 7: Specifications

    Air Filter..............................20" x 25" x 1" Firebox Size …………………………........................24" x 18" NOTE: It is recommended that a 2", non combustible, raised pad be used for the furnace. This will prevent moisture from getting under the furnace and causing corrosion. Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 8: Features And Benefits

    Furnace Features - Eagle I- Husky burner side. This firebrick not only protects the steel YUKONTROL DS-103 SOLID-STATE from the extreme combustion temperatures in the FURNACE CONTROL This is the solid-state firebox, but it also retains a substantial amount of control that coordinates the gas or oil burner heat after the wood/coal fire burns down.
  • Page 9 Furnace Features - Eagle I- Husky...
  • Page 10 Furnace Features - Eagle II- Polar Furnace Features - Eagle II - Polar YUKONTROL DS-103 SOLID-STATE AFTER-BURNER JET SYSTEM GIVES FURNACE CONTROL This is the solid-state MAXIMUM SOLID FUEL BURNING control that coordinates the gas or oil burner EFFICIENCY It extracts maximum BTUs from function with the wood/coal damper so that your the wood or coal.
  • Page 11 Furnace Features - Eagle II- Polar...
  • Page 12: Unpack And Check Cartons

    Unpack and Check your Cartons Unpack and Check Your Cartons INSPECT SHIPMENT Your furnace is shipped complete in three cartons. Note any damage to the shipping cartons. Remove all items from your shipping cartons. Check all items against the packing list below. Note any items lost or FAN AND LIMIT damaged in shipment.
  • Page 13: Plan Your Installation

    7. Before servicing, allow furnace to cool. Always shut off A 2-INCH NON-COMBUSTIBLE PAD OR PAVERS electricity and fuel to furnace when working on it. This IS RECOMMENDED UNDER THE FURNACE. will prevent electrical shocks or burns. Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 14: Clearance To Combustible Material

    Plan Your Installation CLEARANCES TO COMBUSTIBLES BEYOND ABOVE TOP OF FROM THE FROM SIDES FROM CHIMNEY 6 FT OF 6 FT OF WARM AIR PLENUM FRONT AND BACK CONNECTOR PLENUM PLENUM 6” 48” 18” * 18” 6” 1” Floor Joist or Combustible Material 1”...
  • Page 15: Typical Installation

    Plan Your Installation TYPICAL INSTALLATION IMPORTANT! DUCTS AND PLENUMS SHALL BE CONSTRUCTED ENTIRELY OF SHEET METAL. FIG. 5 IMPORTANT! AIR CONDITIONING COIL MUST BE INSTALLED WITH A METAL CONDENSATE PAN. DO NOT USE PLASTIC PAN DUCTS SHOULD BE LARGE ENOUGH TO HANDLE GRAVITY AIR FLOW IN THE EVENT OF ELECTRIC POWER OR FURNACE FAN FAILURE.
  • Page 16: Proper Chimney

    Plan Your Installation PROPER CHIMNEYS The National Fire Protection Association (NFPA) requires that all factory built chimneys be Listed and installed in accordance with conditions of the Listing in the manufacturers instructions. NFPA also requires that your chimney extend at least three (3) feet above the highest point when it passes through the roof and at least two (2) feet higher than any portion of the building within ten (10) feet of the chimney.
  • Page 17: Combustion Air

    Plan Your Installation COMBUSTION AIR Make-up outside air must be provided to furnace for proper fuel combustion. This is provided by openings to outside of building. These openings shall have unobstructed areas not less than the areas of the flue pipe.
  • Page 18: Furnace Located In Confined Space

    200,000 50,000 150,000 8 INCH ROUND 382,000 96,000 288,000 8 X 12 INCH 512,000 128,000 384,000 8 X 16 INCH * Based on opening covered by 1/4 inch mesh screen, wood or metal louvers. Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 19: Installation

    SMOKE SECONDARY AIR SHUT OFF DS-103 DAMPER PIPE 24-VOLT MODELS LWO-112 & LWG-112 ONLY CONTROL TRANSFORMER 1. Remove round secondary air shut off disc from FIG. 10 plastic bag. 2. Screw the shutoff disc to the intake cover just YUKONTROL DS-103 DAMPER CONTROL installed.
  • Page 20: Oil Burner

    CUT AWAY VIEW OIL BURNER INSTALLATION BURNER COMBUSTION CHAMBER • Model LWO-112 burner has a (140,000 BTU input) 1.00 G.P.H. 80 degree H nozzle installed at the factory. • Model LWO-168 burner has a (189,000 BTU input) 1.35 G.P.H. 80 degree H nozzle installed at the factory.
  • Page 21: Fuel Tanks And Fuel Lines

    They should be equipped with a watertight cap. It is recommended that 1-1/4" pipe be used for the vent. The vent should extend outdoors served by the tank and an approved vent hood should be used. Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 22: Gas Piping

    It should be firmly supported with pipe hooks, straps, bands or hangers. Butt or lap welding pipe should not be bent. Method of Installing a Tee Fitting Sediment Trap FIG. 16 Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 23: Draw Collar

    NOTE: If barometric damper control is installed horizontally as illustrated, it must be at least 8 inches from furnace smoke outlet. DRAW COLLAR FILTER DOOR CHIMNEY BAROMETRIC DRAFT REGULATOR FIG. 17 FIG. 18 Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 24: Smoke Baffles

    See Fig 19-B. When properly installed, baffles will not move more than 1/4" in any direction. IMPORTANT! Failure to have baffles properly FIG. 19-A installed will severely reduce combustion efficiency! FIG. 19-B Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 25: Installing The Fan And Limit Control

    Installation INSTALLING THE HONEYWELL FAN AND LIMIT CONTROL Included in the accessory carton is a white sheet metal bracket that is 8-1/4 inches high and 3-1/4 inches wide. FAN AND LIMIT CONTROL It has a 7/8” hole in it 6 inches from the bottom. Right below the 7/8”...
  • Page 26: Fume Sensor

    1. Screw fume sensor into threaded hole located in secondary air intake cover. See Fig. 22. 2. Align sensor so the air slot on back of sensor cover is in the vertical position. Then tighten clamping nut. FIG. 22 Fume Sensor Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 27: Electrical Wiring

    T&T terminals, which in turn energizes the burner. To T & T terminals Gas or Oil burner NOTE: Refer to the electrical drawings in the Exploded View/Parts List Section for details. Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 28: Mounting Thermostats And Settings

    Burning coal will require that there is a bed of coals from a wood fire prior to adding to coal to the firebox. The controlling of the coal fire will be the same as above. Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 29: 24 Volt Field Wiring

    24 Volt Field Wiring OIL OR GAS AND WOOD/COAL HEATING ONLY Honeywell FocusPro 5000 Honeywell FocusPro 6000 Thermostat Thermostat RC R RC R 24 volt Transformer DS-103 CIRCUIT BOARD Terminal 1 controls wood damper/wood thermostat Terminal 2 controls OIL or GAS gas/oil burner thermostat BURNER...
  • Page 30: Wiring Diagrams

    Wiring Diagrams OIL AND WOOD/COAL HEATING ONLY DS-103 DAMPER CONTROL Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 31 Wiring Diagrams OIL AND WOOD/COAL HEATING WITH A/C DS-103 DAMPER CONTROL...
  • Page 32 Wiring Diagrams GAS AND WOOD/COAL HEATING ONLY DS-103 DAMPER CONTROL...
  • Page 33 Wiring Diagrams GAS AND WOOD/COAL HEATING WITH A/C DS-103 DAMPER CONTROL...
  • Page 34: Connecting Smoke Pipe

    12 inches from a combustible wall is allowed if the space is insulated according to NFPA 90B, table 6-5.1.2. WARNING: DO NOT CONNECT THIS FURNACE TO A CHIMNEY SERVING ANOTHER APPLIANCE Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 35 Installation DO NOT ATTACH DRAFT REGULATOR TO TOP OR BOTTOM OF FLUE PIPE, NOR IN ROOM SEPARATED FROM APPLIANCE. BEST LOCATION IS AS CLOSE TO APPLIANCE AS POSSIBLE. DRAFT REGULATOR IMPORTANT A MANOMETER MUST BE USED TO ACCURATELY ADJUST FLUE DRAFT IMPORTANT: INSTALLATION MAKE THESE ADJUSTMENTS WHEN INSTALLING.
  • Page 36 Installation SETTING THE BAROMETRIC DRAFT REGULATOR AND SOME INFORMATION ON CREOSOTE TO FUNCTION PROPERLY AND SAFELY, it is impera- CREOSOTE BUILD UP - Creosote, in a vaporized state, tive that the draft regulator, when installed in the Tee is present in the gases emitted by burning wood and is stub, is pointing away from surrounding walls or obstruc- highly combustible in its solid and semi-liquid states.
  • Page 37: Testing For Efficiency

    Draft Regulator. Insert a stack thermometer in one of the holes and leave it there continually during the test so that you can refer to it at any time. See Fig. 28 Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 38: Test Procedure

    It is desirable to have a high CO reading and low stack temperature with a minimum smoke reading. FIG. 29 Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 39: Importance Of Draft

    Installation IMPORTANCE OF DRAFT Draft is the force which moves air from the appliance up through the chimney. The amount of draft in in your chimney depends on the length of the chimney, local geography, nearby obstructions and other factors. Too much draft may cause excessive temperatures in the appliance and damage the steel of the furnace.
  • Page 40: Oil Firing Unit

    Press the reset button on primary relay control and burner should start. Do not attempt this more than twice. If burner fails to operate, call a service technician. Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 41: Gas Firing Unit

    Operating Instructions GAS FIRING THE UNIT To Start the Gas burner on new installation 1. With gas line in “off” position, install burner using gasket and tighten down with 3 nuts to furnace. 2. Connect 110 Volt power to burner 3.
  • Page 42: Best Wood To Burn

    FIG. 32 incomplete combustion. Yukon furnaces are designed to wring the most energy possible from each log. Your furnace is designed to allow the primary air under the grate to create the initial burning.
  • Page 43: Best Burn Practices

    Operating Instructions BEST BURN PRACTICES PROPER USE OF YUKONTROL - DS-103 DAMPER CONTROL A properly installed, correctly used wood-burning appli- ance should be smoke free. If you see or smell smoke The DS-103 damper system, that the furnace is that means you may have a problem. Practice the fol- equipped with, is the thermostatically controlled control lowing guidelines to Burn Wise in your appliance and that allows the primary combustion air in under the fire...
  • Page 44: Firing Wood With Gas Or Oil

    Operating Instructions STARTING WOOD FIRE WITH GAS OR OIL BURNER Place three or four 6 to 8 inch diameter logs in the firebox. Set the temperature on the small thermostat to the desired setting. Set the temperature on the larger thermostat above room temperature.
  • Page 45: Coal Firing Unit

    When re firing, break up the cone a little using a poker. Especially if it has caked over to form a crust. Be careful not to mix the coal as this increases the chance of forming clinkers. Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 46: Miscellaneous Coal Burning Tips

    • Western lignite ignites @: 630°F • Low volatile bituminous ignites @: 765°F • High volatile bituminous ignites @: 870°F • Anthracite coal ignites @: 925°F IMPORTANT: Never smother fire when adding fresh coal. Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 47: Maintenance

    Maintenance GRATE CARE - ASH REMOVAL It is necessary that ashes be removed from the ash pan on a daily basis. The ashes should never be allowed to accumulate high enough to come in contact with the grates. Such a condition could cut off necessary air circulation.
  • Page 48: Smoke Pipe, Chimney & Secondary Heat Exchanger

    Maintenance SMOKE PIPE, CHIMNEY AND SECONDARY HEAT EXCHANGER Do not burn green or freshly felled wood. This may cause creosote and soot to build up in chimney, smoke pipe, and secondary heat exchanger. These should be checked and cleaned several times each heating season.
  • Page 49: Blower Adjustment

    The belt should be deflected approximately one inch, without the motor moving, when moderate pressure is applied. See Fig. 40 FIG. 39 FIG. 40 Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 50: Duct Work And Blower Speed Adjustment

    Supply air temperature should be no more than 80-90º higher than return air temperature. Air temperature rise can be lowered by: 1. Increasing blower speed. 2. Additional supply or return outlets. 3. Lowering firing rate. Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 51: Firebrick Placement

    Maintenance FIREBRICK PLACEMENT Model LWO-112 & LWG-112 Models (LWO-112 & LWG-112 ONLY) (Fig. 41) (Left Hand Model Shown) Lower Row 1. Remove the grates. 2. Place 3 ea. 12”x 6” bricks at rear of firebox. 3. Place 4 ea. 12”x 6” bricks on side opposite burner.
  • Page 52: Oil Burner

    Maintenance OIL BURNER MAINTENANCE MAINTENANCE AT THE END OF THE HEATING SEASON: 1. Shut off electric current to burner at fuse panel. 2. If oil filter has not been cleaned recently, it should be removed and cleaned. (Consult instruction card furnished with fuel unit).
  • Page 53: Miscellaneous Maintenance

    Maintenance Maintenance HOW TO PREVENT RUST AND CORROSION CAUTION: In case of chimney fire, call At the end of each heating season, clean both primary the fire department immediately! and secondary heat exchangers. Also, clean the ash pan thoroughly. Paint the inside of the heat exchanger with automobile crankcase oil.
  • Page 54 -.03” WC (Water Column). If set less, the chimney may not draw. If set higher, the wood fire may draw too much combustion air. This causes the room temperature to exceed the thermostat setting. FIG. 45 Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 55: Over Heating Unit

    Maintenance OVER HEATING WHEN BURNING SOLID FUEL AS YOUR PRIMARY SOURCE OF HEAT If your home is overheating, your furnace is providing heat when the thermostat is satisfied. One of these ideas will help with overheating. 1. The best answer is to use fewer logs or less coal at each filling.
  • Page 56: Exploded Views And Parts Lists

    Exploded Views & Parts Lists EAGLE I - HUSKY MODELS LWO-112 & LWG-112...
  • Page 57 Exploded Views & Parts Lists REPAIR PARTS-Combustion Chamber Assembly (Left Hand Shown) EAGLE I- HUSKY OIL/GAS-SOLID FUEL COMBINATION FURNACE Models LWO-112 and LWG-112 Key No. Left Hand Right Hand Description 10110500 10110500 Fender Washer 5/16 I.D. x 1-inch O.D. (2 Req.)
  • Page 58 Exploded Views & Parts Lists EAGLE II - POLAR MODELS LWO-168 & LWG-168...
  • Page 59 10139700 Door Latch (2 Req.) 10100602 10100602 Refractory Pot Liner 50105403 50105403 Combustion Chamber Weldment 10901500 10901500 3 x 8-inch Steel Flue Brush 10100950 10100950 Wood Grates, Standard (3 Req.) Not Illustrated/ ** Optional Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 60 Exploded Views & Parts Lists WAYNE MODEL MSR OIL BURNER GUN ASSEMBLY Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 61 Nozzle Adaptor 21913-SER Electrode Support Assembly 21923-001 Disc, Static 3”/3.69” Dia 60” 13430 Screw, HXSLTF 4-40 x .375” 100603-028 Electrode Clamp 100675-001 Electrode Assembly (RH) 100634-014 Electrode Assembly (LH) 100635-014 N/A Must order gun assembly Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 62 Exploded Views & Parts Lists WAYNE MODEL P250AF-DIN GAS BURNER...
  • Page 63 Orifice 7/32” (.219”)/5.56MM-NAT 62286 Orifice #29 (.136”)/3/45MM-LP 61828 Orifice Holder 62898-001 Gas Valve-H-VR8305M 4801 62374-004 Tube Wiring Harness 63375-001 Nipple 60564 Elbow 60152 Coupling-Not Shown 60014 Conversion Kit, N-LP-NOt Shown 62672-004 Gun Assembly 31760-008 Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 64 Exploded Views & Parts Lists CIRCULATING FAN PERFORMANCE CURVE CHART MODELS LWO-112 AND LWG-112 THIS CIRCULATING FAN PERFORMANCE CURVE CHART IS FOR DETERMINING MOTOR HORSEPOWER NEEDS...
  • Page 65: Exploded Views And Parts Lists

    Exploded Views & Parts Lists CIRCULATING FAN PERFORMANCE CURVE CHART MODELS LWO-168 AND LWG-168 THIS CIRCULATING FAN PERFORMANCE CURVE CHART IS FOR DETERMINING MOTOR HORSEPOWER NEEDS...
  • Page 66: Troubleshooting

    Correction: Check supply or damper positions. Check registers and Cause: Registers and grilles are grilles to make sure they are not closed. Also, make sure they are not obstructed obstructed by carpet, draperies or furniture. Remove any obstructions. Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 67 _________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ Notes: _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _____________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ ______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ Questions? Visit www.yukon-eagle.com or call 1-800-358-0060...
  • Page 68 LWO-168 (Oil Fired) ALL PARTS MAY BE PURCHASED FROM A LWG-168 (Gas Fired) YUKON DEALER OR DIRECT FROM OUR FACTORY. C A U T I O N : R e a d R u l e s A n d...

This manual is also suitable for:

Lwg-112Lwo-168Lwg-168

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