Table of Contents
Related Manuals for Shelter Furnace SF3048
Summary of Contents for Shelter Furnace SF3048
- Page 1 SHELTER FURNACE WOOD AND COAL BURNING OUTDOOR FURNACE MODEL: SF3048 Manufactured by: Shelter Furnace 10950 Linpage Place Saint Louis, MO 63132 1-800-875-4788 Tested to UL391 and AUGUST 2014 CSA B366.1-2011 MADE IN USA Revision V Standards...
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Page 2: Save These Instructions
Transportation Damage Every effort has been made to ensure that your Shelter Furnace will arrive in perfect condition. Any visible damage should be noted on the freight bill at the time of delivery. If upon unpacking your furnace, you find damage has occurred during transit, notify your store immediately. -
Page 3: Table Of Contents
TABLE OF CONTENTS General Information Furnace Clearances and Operation Installing Electrical Components Grounding Furnace Installing the Anchor Plate Bypass Damper Chimney Location and Clearances Wood Storage and Care Furnace Installation Hot Air Duct and Cold Air Return Installation Burying Ductwork Types of Installations Central Duct Connections Mobile Home Down Draft Furnace Connection... -
Page 4: General Information
Abnormally cold weather could reduce the burn time. Your Shelter Furnace is designed to be either a supplemental or central heating source for your home. This wood and coal burning furnace may be installed in parallel with a properly operating electric, gas or oil-fired central furnace, listed or certified in accordance with a nationally recognized safety standard, and within clearances specified on Shelter Furnace nameplate. -
Page 5: Furnace Clearances And Operation
Shelter Furnace to a flue that is servicing ANY other appliances. The Shelter Furnace may be placed outdoors or indoors. If outdoors, it must be placed on a level, non-combustible base, preferably a 4’ x 8’ concrete pad, as close to the home as clearances to combustibles permit – but do not place the furnace more than 25 feet from the house. -
Page 6: Grounding Furnace
3. Align the fan limit control box with the gasket to the 4 holes on the back of the furnace with four #10 x ¾” screws for a watertight seal. Hot Air Supply Draft Motor Limit Blower Motor Fan Limit Control Transformer for Thermostat Wire... -
Page 7: Installing The Anchor Plate
Guy wire brackets are attached to the sides of the Shelter Furnace. A heavy gauge of stainless steel wire can be purchased from your store to use as guy wire to help support your chimney. Attach the appropriate chimney pipe lengths to the adaptor plate finishing with a chimney cap. -
Page 8: Bypass Damper
The bypass damper has several purposes: starting the fire, improving the efficiency, and cleaning the chimney. When starting a fire in the Shelter Furnace, 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. -
Page 9: Wood Storage And Care
BTU output. If you store the wood near your furnace, be sure to maintain proper clearance from the furnace to prevent a fire hazard. DRY WOOD WILL PRODUCE HOTTER FIRES AND INCREASE BTU OUTPUT. IMPORTANT: FOR TECHNICAL SUPPORT OR CUSTOMER SERVICE ISSUES, DO NOT RETURN TO THE STORE, CALL SHELTER FURNACE AT 1-800-875- 4788. The Initial Firing: Do NOT connect the furnace to your ductwork at this time. -
Page 10: Furnace Installation
• Always consult local building inspectors for codes concerning the installation of your furnace. • Always have access to a backup generator, 2000 watt minimum. • Use Class “A” HT 2100 All Fuel 6 Inch Chimney for your Shelter Furnace. • Never use galvanized pipe in your flue connection. -
Page 11: Hot Air Duct And Cold Air Return Installation
The heat outlet should never be less than 10 inches round or 79 square inches. The Shelter Furnace must be installed with a cold air return system. The system must be a minimum of 12 inches to readily transfer the cold air back to the furnace. -
Page 12: Types Of Installations
Connect the duct with a 45° elbow or at an angle so the hot air from the Shelter Furnace is delivered down stream. This will ensure proper airflow into the duct system. -
Page 13: Mobile Home Down Draft Furnace Connection
In a mobile home with a down draft furnace, do not attach the hot air duct from the Shelter Furnace to the hot air plenum, doing so will cause the heat to rise through the central furnace instead of going through the duct work. -
Page 14: General Operation
Finally, due to the wide variety of temperature ranges during the winter, you may experience periods when it is not necessary to fully load the fire chamber in order to maintain an overnight burn. Your Shelter Furnace will operate at the highest... -
Page 15: First Coal Fire
For the SF3048 model, heat resistant gloves are recommended when loading the furnace. Only use dry, seasoned hardwoods in your Shelter Furnace rather than high resin woods such as pine. Firewood should be cut at least one full season prior to the time of its intended use for optimum heat output. -
Page 16: Disposal Of Ashes
In the case of a power failure, connect your Shelter Furnace to a generator immediately. If the heat dump release lid should open, do not continue to burn the furnace. DO NOT UNPLUG THE FURNACE. Close the draft dampers and set the wall thermostat to the lowest possible temperature. -
Page 17: Draft Blower And Spin Draft
Draft Blower and Spin Draft: The front draft blower plays an important role in the operation of your Shelter Furnace. When the wall thermostat calls for heat, the draft motor turns on and supplies fresh air into the firebox producing a hotter fire, which in turn provides more heat in the heat chamber. The heat is then sent through the duct system throughout your home. -
Page 18: Maintaining Your Furnace
Power Failure: In case of power failure, to prevent your Shelter Furnace from over-heating and causing damage to the electrical components, follow these steps: • Ensure that the bypass rod is pulled out, allowing heat to go up the chimney. - Page 19 • Operate the furnace with the spin draft wide open unattended. • Operate with fuel door or ash drawer open. • Use gasoline, oil, or any other flammable liquid to start or maintain the fire. • Burn garbage, plastic, wood containing glue or wood that has been treated with chemical preservatives. •...
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Page 20: Furnace Diagram With Parts List
Furnace Diagram - SF3048 PTION NEL, RIGHT) COLLAR 10") NG BASE) LAR 12") NG COVER) OL BOX) NEL) NEL) D INNER PANEL) ING BRACKET) HANNEL) T INNER PANEL) NEL, LEFT) MBLY) CFM) -
Page 21: Furnace Parts List
Furnace Parts List ITEM DESCRIPTION SF3048 ASH PAN DRAWER FC22AP FURNACE SHELL SF3048SHELL PANEL SIDE OUTER RIGHT FC22-36 STARTER COLLAR 10” FCOS10COLLAR BLOWER HOUSING BASE SF42-47 STARTER COLLAR 12” SNGCLR12 BLOWER HOUSING COVER SF42-45 FAN LIMIT CONTROL BOX FCFLC OUTER BACK PANEL... -
Page 22: Grate System Diagram
Grate and Fire Brick Diagram SF3048 Blower Motor Assembly Diagram PARTS LIST DESCRIPTION BLOWER WHEEL BLOWER HOUSING MOTOR CAPACITOR BLOWER MOTOR PARTS LIST ITEM DESCRIPTION BLOWER WHEEL BLOWER HOUSING MOTOR CAPACITOR BLOWER MOTOR... -
Page 23: Wiring Diagram
WIRING DIAGRAM Wiring Diagram OUTDOOR FURNACE MAKE SURE TO FAN LIMIT CONTROL INSTALL BATTERIES IN THERMOSTAT ORANGE YELLOW WALL THERMOSTAT BLACK CONNECT WIRES TO W & R DO NOT USE “C” YELLOW RELAY 120V AC/24V AC TRANSFORMER 120V AC BLACK POWER SUPPLY WHITE BLACK... -
Page 24: Troubleshooting
Troubleshooting Problem: Bugs found in wood. Possible Causes: Remedies: • Inspect the wood for obvious signs of insect infestation such as • Wood has rotted or has been burrows or holes, avoid using if possible. Do not store wood indoors. laying around for an extended period of time. - Page 25 Problem: Draft blower will not run. NOTE: Verify that the wall thermostat is in the “HEAT” position, and make sure batteries are installed. Remedies: Possible Causes: • Defective wall thermostat. • This can be checked by turning the thermostat to a temperature setting that is higher than the temperature in your home.
- Page 26 Problem: Rapid accumulation of creosote in furnace and flue. Possible Causes: Remedies: • Completely avoid using if at all possible. If hardwoods are not • Use of high resin wood, such as available, fuel the furnace with smaller loads. This will cause the pine.
- Page 27 Problem: Circulation blower vibrates during operation. Possible Causes: Remedies: • Check squirrel cage alignment and position so that it does not drag • Screw on squirrel cage is not on the housing during rotation, then tighten the screw sufficiently to tight.
- Page 28 Problem: Down draft on chimney caused by one or more of the following. Possible Causes: Remedies: • Flue has a cold spot which • This problem may occur in factory built flues because the insulation inhibits exhaust discharge from has settled or a seam has ruptured. In masonry flues, mortar loss rising properly.
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Page 29: Warranty Information
• Name and address of the dealer where the unit was purchased Shelter Furnace warranties the cast iron grates and firebox to be free of defects in material and workmanship for five (5) years. Intentional misuse or abuse causing burn through of cast iron components voids all warranties. Over firing the furnace will cause the front face to crack and is not covered by the warranty.
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Questions and answers
How many btu is this furnace
The BTU rating of the Shelter Furnace SF3048 is listed based on laboratory calculations, but the actual BTU output may vary depending on factors such as fuel type, condition, moisture content, damper adjustment, and chimney type. The manufacturer does not guarantee a specific BTU output or capacity.
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