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USSC

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.

LIGHTING INSTRUCTIONS

Before lighting your Hearth Focus 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 exhaust blower starts immediately. If you press the “Heat Setting” button up, the
exhaust blower changes speed, increasing speed the higher the heat setting. After 3 minutes, the auger and agitator will
start rotating.  

Note:  The distribution blower will not operate at this time, as a temperature of at least 110 degrees must

be reached before operating.  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.

TO START:
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.
Squirt only a small amount of fire starter gel on top of the wood pellets (NOT necessary if using fire starting pellets).
Light the fire starter and wait approx. 1-minute for it to start actively burning.
Press the “On” button, adjust the heat setting to read  “Hr-2” and  pull the damper out approximately 1.5 inches for this

heat setting. This will automatically match your feed rate with the proper combustion air. As you increase the heat

setting, your feed rate and combustion air increase together.
NOTE:  Even if you are burning corn or other fuels in your unit, wood pellets make an excellent source of

starter fuel.  Corn takes too much starter to get lit and up to temperature.
Three minutes after turning the stove “On”, the auger will begin feeding fuel into the firepot along with the agitator

turning. You should have the starting fuel completely burning in the firepot as the agitator rotates. NOTE: If the starting

fuel is not burning hot enough, you may see the fire begin to go out as new fuel is being added. If this occurs, pressing

the “Auger Delay” button will allow the auger to pause for 1 minute.  Pressing the “ON” button will resume the auger if

1 min. is to long.  If not enough fuel is the reason for not burning, pressing and holding the “ON” button will allow the

auger to run continuosly until you release the button.
Once the fuel starts burning aggresively, you can adjust the heat setting to your desired range.
As you begin to have better understanding of how the heater operates and the amount of heat you require, you can adjust

the heat settings up or down to your satisfaction.
Never use gasoline, gasoline-type lantern fuel, kerosene, charcoal lighter fluid, or similar liquids to start or

‘freshen up’ a fire in this heater.  Keep all such liquids well away from the heater while it is in use.
Overfire Protection
 - If the heater is being overfired, burned too hot, the heater will automatically shutdown to avoid

damage to components in the heater.  Refer to “Lighting Instructions” for proper use.




Turning the stove off
Pressing the OFF button will cause the stove to enter a shutdown mode.  If the stove has reached operating temperature, the

OFF Indicator will blink until the shutdown procedure succeeds in lowering the stove temperature.  The Room Fan will stay

on to cool the stove, and the Exhaust Fan will stay on to remove smoke and heat from the combustion chamber.  The Agitator

will stop.  The Auger will bump the fuel out of the auger every few seconds to prevent the fuel in the auger from burning.

Once the temperature of the burn chamber falls below about 100 degrees F and the pressure switch detects that the door

is closed, the fans will stop and the Auger will run for a few seconds to purge the auger system of any burned fuel.  At this

point, the OFF Indicator will go out and the stove will turn completely off.  If during burning, the stove has reached at least

120 degrees F, the shutdown procedure will also include a 15 minute shutdown timer that will keep the stove in the shutdown

state for at least 15 minutes regardless of whether it is cool or pressure is detected.  The 15 minute timer can be turned off

by pressing the off button during shutdown.  This will cause the system to exit shutdown and return to the “OFF” mode as

soon as the door is closed and the stove is cool.

Summary of Contents for Hearth Focus 6039HF

Page 1: ...tallation requirements peculiar to your area Do Not Plug this appliance into an electrical outlet before reading and understanding all operations and always unplug the unit before attempting any work or maintenance Do not connect this stove to any chimney flue already serving another appliance Carefully observe and maintain all clearances to combustibles A note about fuel Use only dried shelled co...

Page 2: ...NFI Certified Specialist You ve purchased one of America s Finest Multifuel Burning Stoves By heating with fuels such as corn and pellets you re helping CONSERVE AMERICA S ENERGY CONGRATULATIONS BTU output will vary depending on the brand type and quality of fuel and the moisture content Consult your dealer for best results 0 Based on post 1982 home construction requiring 35 BTU Hr per Sq Ft Remem...

Page 3: ... door opening up 4 Assemble the legs using the eight 8 Bolts as shown 5 After all bolts and screws have been tightened properly set the heater back up on the legs and replace the two ash dump covers See pg 15 for ash dump cover placement 1 The Auger is packed in the hopper and must be installed properly as illustrated below 2 Insert the Auger into the auger tube Ro tate the auger until it fits int...

Page 4: ...roduct requires simple periodic maintenance for proper operation and long life of the stove Read and follow the maintenance schedule closely DISCONNECT THE POWER CORD BEFORE SERVICING THIS STOVE A power surge protector is required The unit must be plugged in to a grounded 110 volt power source Circuit Boards are very expensive protect yours Always route the power cord away from the unit Do not rou...

Page 5: ...ore 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 Therefore purchasing corn from the same source will help achieve a more consistent burn DO NOT USE CORN WITH A HIGH WAX CONTENT WOOD PELLETS As with corn be consistent in your pellet supplier Pellets will vary in content and burn...

Page 6: ...to Top Edge of Unit 6 in 152mm B Sidewall to Flue 5 in 127mm C Backwall to Flue 3 in 75mm D Backwall to Unit 9 in 228mm E Right Sidewall to Top Edge of Unit 2 in 50mm CORNER F Adjacent Wall to Flue 3 in 75mm G Adjacent Wall to Unit 4 in 100mm BACK WALL SIDE WALL SIDE WALL Backwall Sidewall Parallel BACK WALL Corner Installation NOTE Allow sufficient space to remove the left and right side panels f...

Page 7: ...n adequate draft Clean out tees and elbows should not be mounted directly to the rear of the stove Total length of horizontal vent must not exceed 48 4ft 1 200mm The maximum recommended vertical venting height is 12 feet for 3 inch type PL vent All joints in the vent system must be fastened by at least 3 screws and all joints must be sealed with RTV silicone sealer to be airtight The area where th...

Page 8: ...to do so could result in a burn back during high winds blowing directly up the air inlet during a simulta neous power failure see diagram above Blockage excessive length or extra bends in the air intake pipe will starve the stove of combustion air A 90 degree bend is equivalent in restriction to approximately 30 inches of straight inlet pipe DESIGN GUIDELINES FOR OUTSIDE COMBUSTION AIR CONNECTION ...

Page 9: ...n outside end or pipe Note The end of the exhaust pipe must extend a minimum of 12 inches from the outside of the building Rodent screen cannot be less than 3 8 opening mesh If installing with combustion air from outside cut a separate hole through the wall for the fresh air tube C This tube must be 2 minimum diameter pipe Connect outside air pipe inlet on stove This tube must be terminated with a...

Page 10: ...10 USSC Note Always check dimensions on unit before cutting hole in wall Dimensional tolerance 0 25 10 1 16 11 5 8 12 EXHAUST OUTLET 3 DIA COMBUSTION AIR INTAKE 1 7 8 DIA 6039HF 3 Minimum Vertical Pipe ...

Page 11: ...NATION CAP The Hearth Pad is not required under the unit if the floor is noncombustible but is required 6 inches 152mm beyond the front of the unit and 6 inches 152mm beyond each side of the door if the floor is a combustble floor wood flooring carpet linoleum etc ...

Page 12: ...gasket WARNING Do not operate unit with broken glass Do not substitute original factory glass You must use only factory authorized glass Do not slam door shut Do not strike glass Do not use abrasive cleaners Do not clean when glass is hot CLEANING THE GLASS When the fire is first started it will produce some smoke The smoke might accumulate on the glass surface Before the fire gets hot open the do...

Page 13: ...rol the unit When adjusting the Draft Fan setting try only 1 setting above or below the heat setting The room fan will come on once the unit has reached operating temperature 110 F By pressing the Room Fan buttons the display will show Rf A which is automatic or Rf 1 through Rf 9 for manual settings In auto mode the room fan s speed will automatically be adjusted in accordance with the heat range ...

Page 14: ...fuel is being added If this occurs pressing the Auger Delay button will allow the auger to pause for 1 minute Pressing the ON button will resume the auger if 1 min is to long If not enough fuel is the reason for not burning pressing and holding the ON button will allow the auger to run continuosly until you release the button Once the fuel starts burning aggresively you can adjust the heat setting...

Page 15: ...re content of the corn If this is not cleaned out it could cause the fuel stirrer to jam USSC highly recommends an additive see Fuel Additive be added to your corn to eliminate these clinkers Contact your local Feed and Seed for availability and cost You will need this additive if the agitator fingers develop an accumulation or build up Daily Maintenance Soot and Flyash Formation and Need for Remo...

Page 16: ...the burn box as it may damage the insulation Scrape the fly ash from the clean out chambers toward the front of the burn chamber Remove the fly ash from the burn chamber and replace the clean outs Remove the ash pan and dump the ash into a metal container Cleaning of the exhaust system will depend upon the ash and debris content of your fuel If your fuel has a high ash content and or significant d...

Page 17: ...Automatic Shut Down Exhaust Blower Agitator Auger Room Fan Automatic Shutdown COMPONENT SHUTDOWN OPERATION END Unchanged operation until preset OFF tem perature is achieved Continues at a lower sequence Slows down to a HALF SETTING for 10 minutes and then to a QUARTER SETTING for the duration of the shutdown Unchanged operation until preset OFF tem perature is achieved If the heater s HI LIMIT sen...

Page 18: ...g Auger motor jammed or bad Agitator motor jammed or bad Draft Fan motor jammed or bad Room fan motor jammed or bad Display Indicators Several situations or events are indicated in normal operation by blinking display indicators or segments in the display Flashing On Indicator This means that the stove is in the Start Up state waiting for either a 3 minute timeout to begin burning or for the stove...

Page 19: ...ns out of fuel Hopper empty refill Auger jams Remove auger and clean Auger jams can be a prob lem if poor quality fuel is used Or excessive fines sawdust corn cobs or husk are found in hopper Auger jams are evident when the auger turns but no fuel is delivered 9 9 The control board diagnostics will flash the light above Draft Fan for a Vacuum Switch error and dis play a Err1 for a Hi Limit error 9...

Page 20: ...20 USSC WIRING DIAGRAM ...

Page 21: ...USSC 21 REPAIR PARTS DIAGRAM 6039HF ...

Page 22: ...cket 1 28 83534 Ring Retaining 1 29 25422 Bracket Agitator Bushing 1 30 891132 Bushing Agitator 1 31 86620 Shaft Agitator Drive 1 32 83901 Roll Pin 1 33 25427 Retainer Agitator Motor 1 34 80381 Low Limit Switch F110 Thermodisc 60T12 1 35 80455 Auger Safety Switch F250 Thermodisc 60T11 1 36 25443 Bracket Pressure Switch 1 37 80478 Switch Pressure 1 38 89586 Nipple Auger 1 39 891121 Hose Silicone 5 ...

Page 23: ...escritption Qty 1 25491 Feed Door 1 2 25492 Handle Door 1 3 83506 Roll Pin 3 8 x 1 1 4 1 4 88112 Gasket 1 2 Sq Rope 5 ft 5 88087 Gasket Glass 1 x 3 16 4 ft 6 891131 Glass Ceramic 1 Parts List Parts Diagrams and Parts Lists Key Part No Descritption Qty 1 891334 Louver 3 2 83531 Screw 10 24UNC x 2 long 2 3 83532 Spacer 4 4 83295 Nut 10 24UNC 2 5 25444 Bracket Louver 1 6 25444 Bracket Louver 1 Parts ...

Page 24: ... GIVE THE FULL MODEL NUMBER WHICH IS ON THE NAMEPLATE ATTACHED TO THE HEATER WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOLLOWING INFORMATION AS SHOWN IN THIS LIST 1 THE PART NUMBER 2 THE PART DESCRIPTION 3 THE MODEL NUMBER 6039HF 4 THE SERIAL NUMBER ____________________ HOW TO ORDER REPAIR PARTS United States Stove Company 227 Industrial Park Road P O Box 151 South Pittsburg TN 37380 423 837 2100...

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