SF1000E Operator Manual | 1.2021

NEVER operate the furnace with the fuel door or ash door open! NEVER operate the furnace with the ash pan left inside of the unit! First Fire: Set the wall thermostat to 90°F. Place several crumpled newspapers on the grate with some dry kindling layered on top of the papers, then ignite the newspaper and close the fuel door. After approximately 5 minutes, open the fuel door, add several small pieces of wood and then close the door. After about 20 minutes the fi re should be established, allowing you to load the firebox and set the wall thermostat to the desired home temperature. Do not over-fire the furnace Over- fi ring by overloading/over-fueling the furnace causes the metal to superheat and expand, then cool rapidly, which causes cracking, therefore voiding the warranty . Over-fi ring, or abuse, can easily be determined upon inspection. The ash pan must remain out of furnace during operation. NOTE: Your new Shelter Furnace is capable of producing a very high BTU output. Do not fuel your furnace to capacity upon initial firing. It’s recommended that you become thoroughly familiar with your Shelter Furnace before operating at full capacity. The new steel and metal components of the furnace have a protective coating of paint on the surface which could produce an odor during the break in period. Adequate ventilation within the home and furnace room or area is recommended during the initial firing and break in period to accommodate this possibility. Your new Shelter Furnace is classified as having airtight construction. This type of design should enable you to experience up to 12 hours of burn time per full load of fuel ( dry, seasoned hardwood ). However, abnormally cold weather may reduce the burn time somewhat, but if your burn cycle is signi fi cantly less (for instance 2 to 4 hours), this type of occurrence is usually symptomatic of heat demands in excess of furnace capacity. Contact an authorized professional to determine if your Shelter Furnace has been improperly sized for your home. The heat output range, according to B415.1-10 testing, is 15,727 to 46,435 BTUs per hour. Loading Wood: When opening the fuel door during operation, always wait 10 seconds after releasing the first latch, then open the door the rest of the wa . The dual latch system has been incorporated as a safety feature, designed to eliminate the possibility of gaseous ignition. Laboratory testing has determined that when incomplete combustion occurs the partially spent fuel sometimes concentrates large amounts of potentially hazardous gases within the fire chambe . If the door is opened suddenly under these conditions, the oxygen may combine with these gases and cause ignition referred to as “back flash.” Use EXTREME CAUTION when opening the fuel doo . When reloading the furnace, spread embers evenly over the grate. Place smaller pieces of wood on the hot embers and layer larger pieces on top of them. 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 fi re chamber in order to maintain an overnight burn. Your Shelter Furnace will operate at the highest effi ciency by adding fuel in amounts needed to maintain comfortable temperatures in your home.

BURN WOOD ONLY!

Disposal of Ashes: Heat resistant gloves are recommended. In order to remove ashes from your Shelter Furnace, open the ash door and slide the ash pan to the rear of the furnace. Remove the ash pan from the furnace and dump the ashes into a metal container with a tight fitting lid. The closed container of ashes should be placed on a non-combustible floor or on the ground, well away from all combustible materials, pending fina disposal. If the ashes are disposed of by burial in soil or otherwise locally dispersed, they should be retained in the closed metal container until all cinders have thoroughly cooled. The ash pan must be removed from your Shelter Furnace during operation. This precautionary measure is recommended

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