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American Harvest
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Please read this entire manual before installation and use of this appliance. Failure to follow
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UNITED STATES STOVE COMPANY • 227 INDUSTRIAL PARK ROAD • SOUTH PITTSBURG, TENNESSEE 37380 • WWW.USSTOVE.COM
USSC
UNITED STATES STOVE COMPANY
MULTI-FUEL FURNACE MODEL 6500
Owner's Manual
FOR TECHNICAL ASSISTANCE:
"Keeping North America Warm Since 1869"
PHONE: (800) 750-2723
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FAX: (423) 837-2109
Part No.: 851782
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Summary of Contents for USSC American Harvest 6500
- Page 1 UNITED STATES STOVE COMPANY “Keeping North America Warm Since 1869” American Harvest MULTI-FUEL FURNACE MODEL 6500 Owner’s Manual Please read this entire manual before installation and use of this appliance. Failure to follow these instructions could result in property damage, bodily injury, or even death.
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Page 2: Table Of Contents
Table of Contents TABLE OF CONTENTS ....................2 SAFETy PrECAuTiONS ................... 3 SPECiFiCATiONS ....................... 4 Heating Specifications ..................4 Dimensions ...................... 4 Electrical Specifications ................... 4 Safety and EPA Compliance ................4 Fuel Considerations ..................5 iNSTALLATiON ......................5 Installation Options ..................6 Floor Protection ....................6 Clearances ...................... 7 Venting Requirements .................. -
Page 3: Safety Precautions
Safety Precautions IMPORTANT: Read this entire manual before installing Disconnect the power cord before performing any and operating this product. Failure to do so may maintenance! NOTE: Turning the ON/OFF Switch to result in property damage, bodily injury, or even death. ”OFF” does not disconnect all power to the electrical Proper installation of this furnace is crucial for safe and components of the furnace. efficient operation. Never try to repair or replace any part of the furnace Install vent at clearances specified by the vent unless instructions for doing so are given in this ... -
Page 4: Specifications
Specifications Heating Specifications Input BTU/Hr 50,000 to 105,000 BTU/hr. Heating Capacity 1,200 - 2,800 sq. ft. Fuel Burn Rate 5.0 - 13.0 lbs./hr. Burn Time (lowest setting) 70 hours continuous Hopper Capacity 320 lbs BTU output will vary depending on the quality and type of fuel. Use PFI listed fuels for the best results. Heating capacity will vary depending on floor plan layout of your home, degree of insulation, and the outside temperature. Fuel size may effect the actual rate of fuel feed and burn times. Fuel feed rates may vary by as much as 20%. Use PFI listed fuel for best results. Dimensions Height 43-1/8 in. Width 28-1/2 in. Depth 39-1/2 in. Weight 250 lbs. Electrical Specifications Electrical Rating 110-120 volts, 60 HZ, 9.5 Amps Watts (operational) 1150 (max. approx.) SAFETy AND EPA COMPLiANCE Your American Harvest Furnace has been safety tested and listed to UL 391, ASTM 1059, and (UM) 84-HUD, by OMNI- Test Laboratories, Inc. Portland, Oregon USA. It is also exempt from EPA Phase II requirements. -
Page 5: Fuel Considerations
Fuel Considerations ShELLED COrN (Dry, preferably corn with 11% or less moisture content) • Optimum moisture content of corn should be 11% or less. Wet corn will rapidly deteriorate furnace components, reduce efficiency and void all warranties. Purchase a moisture tester if in doubt. • Corn must be clean and free from debris. Never burn corn right from the field. Damage caused by dirty corn is not covered by the product warranty. Ask for clean filtered bagged corn only. Stalk parts, excessive fines and cob remnants will clog the auger. • NEVEr BurN SEED COrN iN yOur FurNACE. Seed corn is treated with chemical pesticides that are harmful or fatal if swallowed, therefore, seed corn is dangerous to have in the house, especially where children can reach it. • Never burn “Deer Corn.” It frequently contains molasses/sugars. • Store your corn supply in a dry place and keep bags or container sealed to prevent your corn from absorbing excess moisture. Test the moisture content periodically to ensure the proper dryness. There are many varieties of corn grown around the world. Each variety has unique characteristics including the • shape and size of the kernel. Your furnace will burn more consistently with a small to midsize kernel corn. If the kernel size of the corn varies greatly or if you switch sources frequently, you will get a less consistent burn. -
Page 6: Installation
Installation iNSTALLATiON OPTiONS Read this entire manual before you install and use your Multi-Fuel Furnace. Failure to follow instructions may result in property damage, bodily injury, or even death! (See specific installation details for clearances and other installation requirements) As a Primary Furnace—the unit functions independently of any other system. The “Room Air” blowers will come on when the plenum and Exhaust temperatures reach a preset point on the furnace’s circuit board (PCB). Unit may also be used as a stand-alone shop heater... -
Page 7: Clearances
Installation CLEArANCES NOTE: Distance on the left-hand side of your Multi-Fuel Furnace is set at 24 inches for suitable access to the control panel and for fuel loading. This distance may be less, but not less than 7 inches. USSC... -
Page 8: Venting Requirements
Installation VENTiNG rEQuirEMENTS Install vent at clearances specified by the vent manufacturer. Do not connect the pellet vent to a vent serving any other appliance or furnace. Do not install a flue damper in the exhaust venting system of this unit. ... -
Page 9: Vent Termination Clearances
Installation VENT TErMiNATiON CLEArANCES: Minimum 4-foot clearance below or beside any door or window that opens. Minimum 1-foot clearance above any door or window that opens. Minimum 3-foot clearance from any adjacent building. Minimum 7-foot clearance from any grade when adjacent to public walkways. Minimum 2-foot clearance above any grass, plants, or other combustible materials. Minimum 3-foot clearance from a forced air intake of any appliance. Minimum 2-foot clearance below eaves or overhang. Minimum 1-foot clearance horizontally from combustible wall. Must be a minimum of 36-inches above the roof and 24-inches above the highest point of the roof within 10-feet. VENT TERMINATION CLEARANCES USSC... -
Page 10: Through The Wall Installation
Installation ThrOuGh ThE WALL iNSTALLATiON (RECOMMENDED INSTALLATION) To vent the unit through the wall, connect the pipe adapter to the exhaust motor adapter. If the exhaust adapter is at least 18-inches above ground level, a straight section of pellet vent pipe can be used through the wall. Your furnace dealer should be able to provide you with a kit that will handle most of this installation, which will include a wall thimble that will allow the proper clearance through a combustible wall. Once outside the structure, a 3-inch clearance should be maintained from the outside wall and a clean out tee should be placed on the pipe with a 90-degree turn away from the house. At this point, a 3-foot (minimum) vertical section of pipe should be added with a horizontal cap, which would complete the installation. A support bracket should be placed just below the termination cap or one every 4-feet to make the system more stable. If you live in an area that has heavy snowfall, it is recommended that the installation be taller than 3-feet to get above the snowdrift line. This same installation can be used if your furnace is below ground level by simply adding the clean-out section and vertical pipe inside until ground level is reached. With this installation you have to be aware of the snowdrift line, dead grass, and leaves. We recommend a 3-foot minimum vertical rise on the inside or outside of the house. The “through the wall” installation is the least expensive and simplest installation. Never terminate the end vent under a deck, in an alcove, under a window, or between two windows. We recommend Simpson Dura-Vent or Metal-Fab kits. ® ® ThrOuGh ThE rOOF/CEiLiNG iNSTALLATiON When venting the furnace through the ceiling, the pipe is connected the same as through the wall, except the clean-out tee is always on the inside of the house, and a 3-inch adapter is added before the clean-out tee. You must use the proper ceiling support flanges and roof flashing (supplied by the pipe manufacturer; follow the pipe manufacturer’s directions). It is important to note that if your vertical run of pipe is more than 15-feet, the pellet vent pipe size should be increased to 4-inches in diameter. Do not exceed more than 4-feet of pipe on a horizontal run and use as few elbows as possible. If an offset is required, it is better to install 45-degree elbows rather than 90-degree elbows. Vertical Cap Storm Collar Adjustable Roof Flashing Cathedral Ceiling Support Box... -
Page 11: Primary And Secondary Furnace Illustrations
Installation PriMAry FurNACE SECONDARY (ADD-ON) FURNACE When installed as a secondary furnace, a Duct Damper must be installed between the air discharge of the 6500 furnace and the primary (Gas, Electric, etc.). This duct damper prevents the air from the primary furnace from back flowing to the secondary furnace. Damper must be a mechanical (spring return) style with a simple closure switch to determine if the damper is opened or closed. The damper will connect to the multi-fuel furnace’s printed circuit board (PCB). See wiring diagram in this manual. USSC... -
Page 12: How Your Furnace Works
Component Location USSC... -
Page 13: Operation
Operation CONTrOL PANEL Turning the furnace OFF/ON, as well as adjustments for the fuel feed rate and room fan speed are performed by pressing the appropriate button(s) on the control panel which is located on the lower left-hand side of your American Harvest furnace. This unit can be changed between an automatic operation or a manual operation. The controller comes default in the automatic mode. Pressing the “ON” button on the control panel will begin the start-up sequence for the furnace. Fuel will begin to feed through the auger feed system after 3 minutes. Pressing and holding the “ON” button will rotate Heat Room Draft Aux. -
Page 14: Unit Preparation
LIGHTING INSTRUCTIONS CAUTION: DO NOT USE CHEMICALS OR FLUIDS TO START THE FIRE HOT WHILE IN OPERATION. KEEP CHILDREN, CLOTHING AND FURNITURE AWAY. CONTACT MAY CAUSE SKIN BURNS. Before lighting your heater for the first time, make sure that all items are out of the hopper, ash pan and firebox area. Press the “On” button and allow your heater to run for at least 4 minutes, to check for proper operation. Once your heater is started, you will notice the draft fan starts immediately. If you press the “Heat Setting” button up, the draft fan changes speed, increasing speed the higher the heat setting. After 3 minutes, the auger and agitator will start rotating. Note: The room fans will not operate until your furnace reaches preset operating temperatures. If proper operation of your heater is confirmed, you can add fuel to the hopper and allow the auger to purge the fuel to the firepot. STArT-uP PrOCEDurE • Turn the Heater to the “OFF” position and place a small handful of wood pellets or fire starting pellets (Pellets that already contain fire starter) in the firepot. -
Page 15: Daily Operation
In the event of a power outage, the furnace WILL NOT function. It is very important that unit be vented properly, as the natural draft is needed to clear the smoke from the furnace during a power outage. If the unit was “ON” when the power outage occurred, one of the following will take place when power is restored: If the furnace is still warm, it will resume feeding fuel and continue to operate normally. If the fire has gone out, you will have to press the “OFF” button and then the “ON” button again to begin a new start-up sequence. If the furnace has cooled-off, it will reset to its “OFF” condition. At this point, you may press the “ON” button to begin a new start-up sequence. NOTE: The unit will also shut down in the event of an draft fan failure; if this is the case, the unit will not re-start and you must contact Customer Service at (800) 750-2723. SAFETy AND CONVENiENCE FEATurES Your American Harvest incorporates a safety pressure switch that helps ensure that everything is in proper working order before feeding fuel to the burn pot. Because the furnace works using an induced draft pressure, the furnace will not continue to operate if the viewing door is left open; or if the draft fan fails or the exhaust system is blocked. The temperature limit control will prevent your furnace from operating at abnormally high temperatures. Should the furnace temperature begin to approach the factory pre-set limit, the temperature limit control will automatically slow down the auger feed rate until the temperature returns to a normal condition. Both room air fans will operate at full speed also until the furnace returns to normal operating temperatures. If your furnace continues to cut back because it is reaching the temperature limits, reduce the “heat setting” to the next lower setting. Maintenance Failure to clean and maintain this unit as indicated can result in poor performance and safety hazards. -
Page 16: Interior Chambers
Placing the Burnpot and the Agitator in a bucket of water and allowing to soak will help with the clinker build-up and removal. Remove the two cleanout slides on each side of the burnpot at the rear of the burn chamber to clean out all ash. Remove the exhaust clean out plate located behind the ash pan and clean the exhaust duct of all ash. If a vacuum is used to clean your furnace, we suggest using a vacuum designed for ash removal. Some regular vacuum cleaner (i.e. shop vacs) may leak ash into the room. ASh DiSPOSAL Ashes should be placed in a metal container with a tight fitting lid. The closed container of ashes should be placed on a noncombustible floor or on the ground, well away from all combustible materials, pending final disposal. If the ashes are disposed of by burial in soil or otherwise locally dispersed, they should be retained in the closed container until all cinders have been thoroughly cooled. CHECK AND ClEAN THE HOPPER Check the hopper periodically to determine if there is any fuel or fuel matter that is sticking to the hopper surface. Clean as needed. GASKETS Inspect the main door and glass window gaskets periodically. The main door may need to be removed to have frayed, broken, or compacted gaskets replaced by your Authorized “American Harvest” Dealer. Also, be careful not to damage the gaskets on the backside of the cleanouts on the front of the unit. If gaskets become torn or damaged, they must be replaced. FAN MOTOrS Clean the air holes on the motors of both the draft fan and room air fans annually. Remove the draft fan from the exhaust duct and clean out the internal fan blades as part of your fall start-up. A new gasket may be purchased from U S Stove’s Parts Department. Replace the customer supplied air filter on the back of the furnace on a regular basis if installed. PAiNTED SurFACES Painted surfaces may be wiped down with a damp cloth. If scratches appear, or you wish to renew your paint, contact your Authorized “American Harvest” Dealer to obtain a can of suitable high-temperature paint. GLASS We recommend using a high quality glass cleaner. Should a build up of creosote or carbon accumulate, you may wish to use 000 steel wool and water to clean the glass. In the event you need to replace the glass, only high temperature ceramic glass of the correct size and thickness may be used. Contact your Authorized “American Harvest” Dealer to obtain this glass. FALL STArT uP Prior to starting the first fire of the heating season, check the outside area around the exhaust and air intake systems for obstructions. -
Page 17: Repair Parts Diagram & List
Parts Diagram USSC... - Page 18 Parts List Item Part No. Title Qty. Item Part No. Title Qty. 891481 Top Cover Weldment 80495 120 CFM Draft Fan 891471 Lid Weldment 88123 Gasket, Blower 120 CFM 891375 Side Panel, Right 891491 Transition, Exhaust Blower 891376 Weld., Left Side Panel 80531 RTD, Platinum 891438 Access Panel, Back 891269 Assy, Auger Housing 80554 Assembly, Circuit Board 891141 Auger 69524 Assembly, Feed Door 891248 Weldment, Bottom Plate Retainer...
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Page 19: Wiring Diagram
Wiring Diagram Amendment USSC... -
Page 20: Trouble Shooting
Trouble Shooting Disconnect the power cord before performing any maintenance! NOTE: Turning the ON/OFF Switch to ”OFF” does not disconnect all power to the electrical components of the furnace. Never try to repair or replace any part of the furnace unless instructions for doing so are given in this manual. ... -
Page 21: Error Codes
Error Codes Below is a chart describing the Error Codes that might be displayed if an error occurs with your furnace. Error Error Possible Code Descrption Causes Err1 The high limit temperature sensor • Inadequate ventilation. has tripped. • Room fan failure. • Exhaust Blockage. • Electrical Open in the over temperature switch or wiring. Err2 Furnace ran out of fuel during normal • Hopper Empty. operation. • Auger output failure or jam. • Flame of fuel quality caused fire to burn too slowly or go out. • Electrical Open in low temperature switch or wiring. Err3 The furnace was unable to reach the • Flame or Fuel quality caused the fire to burn too slowly or go Room Fan On temperature within the out. startup time. • Auger output failure or jam Hopper empty on startup. Err4 The power failed while the furnace was • Electrical Open in low temperature switch or wiring. -
Page 22: Notes
Notes USSC... - Page 23 Notes USSC...
- Page 24 Give The followinG infor- maTion as shown in This lisT: 1. The parT number 2. The parT descripTion 3. The model number: 6500 4. The serial number:____________________ united states stove company 227 industrial park road p.o.
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