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Once you have met local requirements governing the installation and positioning of the furnace, install the Electrical Control Kit.  Open 

the Electrical Control Kit and confirm that all items were shipped with your SF3042.  IMPORTANT: ENSURE THE POWER CORD IS 

PLUGGED INTO A GROUNDED ELECTRICAL SUPPLY.  Do NOT connect the furnace to your ductwork at this time.  Build a small fire 

– DO NOT fill the firebox to full capacity during the initial firing.  Your new furnace has a protective coating of oil or paint on the surface, 

which could produce smoke or odors during the initial firing and will burn off.  Allow adequate ventilation during this initial, break-in firing 

to let any odors escape.  This initial firing also allows the metals to cure.  After successfully completing the initial firing, you are ready to 

attach the hot air duct and cold air return to complete your installation.  See diagram below.

You must install the wall thermostat for the furnace to operate.  When the wall thermostat calls for heat, the draft motor will engage, 

allowing combustion air to flow into the firebox.  This causes a hotter fire, increasing the heat in the heat chamber.  When the home 

reaches the selected temperature on the wall thermostat, it will disengage the draft motor and the fire in the firebox will reduce to a low 

burn until the thermostat calls for another heat cycle.  The fan limit control is factory pre-set at 160° as the “ON” temperature setting and 

100° as the “OFF” temperature setting.  This means when the heat chamber reaches 160°, the blower will turn on; when the chamber 

cools, the blower will turn off.  This process is called a heating cycle.

IMPORTANT:  FOR TECHNICAL SUPPORT OR CUSTOMER SERVICE 

ISSUES, DO NOT RETURN TO THE STORE (THE STORE DOES NOT HAVE 

REPLACEMENT PARTS), CALL SHELTER FURNACE AT 1-800-875-4788.
BYPASS DAMPER:

The bypass damper has several purposes: starting the fire, improving the efficiency, and cleaning the chimney.  When starting a fire 

in the SF3042, you must pull the rod out, for a stronger draft during ignition.  Once the fire has started, close the bypass, which allows 

the secondary combustion chamber to engage, increasing the furnace’s operation to peak efficiency.  If the bypass rod is not closed 

during operation, the furnace’s efficiency will be greatly reduced, allowing the heat to escape up the chimney.  Finally, when cleaning the 

chimney, the rod must be pulled out to allow any build-up in the chimney to fall into the firebox.
THIS UNIT IS NOT TO BE CONNECTED TO A CHIMNEY FLUE THAT SERVES ANOTHER APPLIANCE.

Summary of Contents for SF3042

Page 1: ...FURNACE WOOD AND COAL BURNING OUTDOOR FURNACE MODEL SF3042 Manufactured by Shelter Furnace 10950 Linpage Place Saint Louis MO 63132 1 800 875 4788 MADE IN USA REVISION I JUNE 2012 Tested to UL391 Sta...

Page 2: ...from the home this would give maximum airflow and provide the highest efficiency Transportation Damage Every effort has been made to ensure that your Shelter Furnace will arrive in perfect condition...

Page 3: ...nnection 12 General Operation 13 First Wood Fire 13 Loading Wood 13 First Coal Fire 14 Fuel Recommendations 14 Disposal of Ashes 15 Heat Dump and Fuse Link System 15 Draft Blower and Spin Draft 16 Cre...

Page 4: ...within the home and amount of fuel We have incorporated all of these features as standard equipment offering you the most efficient durable and affordable appliance possible Abnormally cold weather c...

Page 5: ...building or peak of the roof within a horizontal distance of 10 feet The 2 foot height does not include the cap See diagram below Class A HT 2100 All Fuel 6 inch Chimney Pipe is required for optimum...

Page 6: ...reaches the selected temperature on the wall thermostat it will disengage the draft motor and the fire in the firebox will reduce to a low burn until the thermostat calls for another heat cycle The fa...

Page 7: ...oor furnace 4 After all the chimney components are installed including the cap follow the diagram below to caulk around the chimney pipe as well as around the outer edge of the anchor plate Chimney Lo...

Page 8: ...Care KEEP WOOD COVERED AT ALL TIMES This cannot be over emphasized Wood stored stacked uncovered exposed to rain and snow has a higher moisture content causing the formation of creosote excess smoke a...

Page 9: ...er leave the ash or fuel door open in an attempt to regulate the fire This will overheat the furnace and void the warranty Do not connect this unit to a chimney flue serving another appliance Refer to...

Page 10: ...w to right inner panel Insert plug into control center marked draft motor 7 Insert draft blower shield 8 Insert the plug from the fan limit control into the control center marked fan limit 9 Insert th...

Page 11: ...properly NEVER draw cold outside air into the blower housing By doing so the furnace s heat chamber will not reach the necessary temperature to heat the home The duct work should be designed so the ex...

Page 12: ...NNECTIONS A qualified professional should do the installation Maximum run should be 25 feet A duct run in excess of 25 feet will greatly restrict the air flow and heat output therefore is not recommen...

Page 13: ...hout ductwork When there is no duct system to connect to the hot air flex duct keep in mind You must separate the hot air duct from the cold air return Ideally locate each at opposite ends of the home...

Page 14: ...ll thermostat and draft blower cover to a comfortable setting See diagram on page 16 spin draft Ash pan must remain out of furnace during operation NOTE Your new Shelter Furnace is capable of producin...

Page 15: ...be sure to leave a red spot in the center of the bed This hot spot will help ignite the gases given off the new charge A deep charge will give a more even heat and a longer fire It may take up to a co...

Page 16: ...0 F The heat sensitive fuse link located within the top of the heat chamber causes the lid to open allowing the excess heat to escape This safety feature is designed to activate before any extreme hea...

Page 17: ...t creosote residue accumulates on the flue lining When ignited this creosote makes an extremely dangerous fire in the chimney The chimney connector and the chimney should be inspected at least twice m...

Page 18: ...ns of wear and replace as needed Check the heat duct and cold air return to be sure they have not become loose or been damaged If so tighten or replace as needed Check ductwork for any air leaks Remov...

Page 19: ...DO NOT CONNECT DUCTWORK SO THAT A REVERSE FLOW IS POSSIBLE OPERATE THE GAS OIL ELECTRIC FURNACE PERIODICALLY TO ENSURE THAT IT WILL OPERATE SATISFACTORILY WHEN NEEDED CERTIFIED FOR INSTALLATION WITH...

Page 20: ...COVER MIT CONTROL BOX ER BACK PANEL ER TOP PANEL GE AT DUMP LID INNER DUMP LID T DUMP SPRING BRACKET INE SCREW OUTER PANEL P PANEL C CHANNEL T AND RIGHT INNER ER SIDE PANEL LEFT DOOR ASSEMBLY R SKIN B...

Page 21: ...9 FC000 78 INNER TOP PANEL 1 10 FCH1800 HINGE 1 11 FC000 81 HEAT DUMP LID INNER PANEL 1 12 SF42 33 HEAT DUMP LID 1 13 FCHDSB HEAT DUMP SPRING BRACKET 5 14 FCFLAB MACHINE SCREW 1 15 SF42 40 TOP OUTER P...

Page 22: ...3 1 8 X 1 11 2 1 3 9 10 7 4 11 5 6 ITEM ITEM NUMBER ITEM DESCRIPTION TOTAL QUANTITY 1 SFSR4 Cast Rail 4 Slot 2 2 SFSG Cast Grate Shaker 4 3 SFCB4 Control Bar Shaker 4 1 4 SFCBL Control Bar Link Shaker...

Page 23: ...B FAN LIMIT CONTROL WALL THERMOSTAT 120V AC 24V AC TRANSFORMER RELAY DRAFT BLOWER MOTOR BLOWER MOTOR BLACK 120V AC POWER SUPPLY WHITE BLACK GREEN BLACK WHITE YELLOW RED RED RED YELLOW BLACK ORANGE WIR...

Page 24: ...23 Troubleshooting...

Page 25: ...24...

Page 26: ...25...

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Page 29: ...or gaskets are excluded from this warranty In order to exercise the aforementioned warranty a certified professional must determine the appliance part to be defective He or she must submit a written s...

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