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SHELTER FURNACE

WOOD AND COAL BURNING 

INDOOR FURNACE

MODELS: SF2626, SF2631, SF2639

Manufactured by:

Shelter Furnace

10950 Linpage Place

Saint Louis, MO 63132

1-800-875-4788

MADE IN USA

AUGUST  2014

Revision IV

Tested to 

UL391 and 

CSA B366.1-2011

Standards

Summary of Contents for SF2626

Page 1: ... COAL BURNING INDOOR FURNACE MODELS SF2626 SF2631 SF2639 Manufactured by Shelter Furnace 10950 Linpage Place Saint Louis MO 63132 1 800 875 4788 MADE IN USA AUGUST 2014 Revision IV Tested to UL391 and CSA B366 1 2011 Standards ...

Page 2: ...ible damage should be noted on the freight bill at the time of delivery If upon unpacking your Shelter Furnace you find damage has occurred during transit notify your supplier immediately Your supplier will advise you what actions must be taken to address the problem Disclaimer Notice The listed BTU rating for your new Shelter Furnace was obtained using laboratory calculations The actual BTU outpu...

Page 3: ...shes 13 Draft Blower 13 Creosote Formation 13 Creosote Prevention 13 Chimney Fire Warning 14 Power Failure 14 Furnace Diagram with Parts List 15 Grate System Diagram SF2626 16 Grate System Diagram SF2631 16 Grate System Diagram SF2639 17 Blower Motor Assembly Diagram 17 Wiring Diagram 18 Troubleshooting 19 Warranty Information 25 DOUBLE CHECK TO MAKE SURE YOU HAVE RECEIVED ALL OF THE REQUIRED COMP...

Page 4: ...r column inches and the maximum setting on central furnace limit switch is 182 F With the Shelter Furnace in an Interconnection Arrangement your furnace should be upstream of the central furnace The Shelter Furnace warm air supply should never be connected to return air for the central furnace A qualified installer should perform the installation IMPORTANT FOR TECHNICAL SUPPORT OR CUSTOMER SERVICE...

Page 5: ...CEIVED ALL THE REQUIRED COMPONENTS IF YOU FIND THAT THERE IS A PART MISSING CALL 1 800 875 4788 FOR FASTEST SERVICE PLEASE DO NOT GO BACK TO THE STORE STORE DOES NOT CARRY REPLACEMENT PARTS NOTE For your convenience your Shelter Furnace has been factory assembled and the electrical control assembly pre wired 1 Fasten the right and left side angle brackets to the circulation blower using 4 20 bolts...

Page 6: ...ely 4 inches from the floor covering the rear distribution blower Make sure the filter box is tightly pressed to the back of the furnace Use 8 10 self tapping screws included to firmly attach the filter box to the sides of the furnace Top Panel A Side Panel With Electric B Side Panel C Bottom Panel D 10 Sheet Metal Screw Twelve Places Side Panel C Bottom Panel D Side Panel with Electric B 10 Sheet...

Page 7: ...ch the draft blower shield to the bracket that is mounted on the front of the furnace above the draft blower using the 20 x inch bolts and nuts provided 1 4 20 Screw 1 4 20 Screw 1 4 20 Bolt 1 4 20 x 3 4 Bolt 1 4 20 Nut 1 4 20 x 3 4 Bolt 1 4 20 Nut 1 4 20 x 3 4 Bolt 1 4 20 Nut ...

Page 8: ...ations See Diagram on page 8 Safety requirements demand that your Shelter Furnace be connected to Class A HT2100 All Fuel or stainless lined masonry chimney ONLY By definition Class A refers to either a lined masonry chimney or all fuel factory built chimney Although experts have expressed differing opinions as to which system is the best it is a matter of what you find most suitable Regardless of...

Page 9: ...uces the stack temperature thus causing creosote formation Installing a manually operated cast iron damper in the stovepipe between the furnace and the chimney pipe is recommended The addition of a damper will greatly assist in regulating the fire and achieving optimum results Always install a tee with clean out cap to the chimney outlet on the back of the furnace This allows for easier cleaning o...

Page 10: ... larger than the heat outlet to readily transfer the cold air back to the furnace Avoid using 90 elbows in duct runs 45 elbows provide better airflow and less resistance CAUTION The warm air supply outlet of the supplementary furnace should not be connected to the cold air return inlet of the central furnace because a possibility exists for components to overheat and cause the central furnace to o...

Page 11: ...nds after releasing the latch and then proceed to the fully open position Opening the door in this manner is designed to eliminate the possibility of gaseous ignition Heat resistant gloves are recommended when opening the fuel door regulating the spin draft or emptying the ash pan CAUTION HOT SURFACES KEEP CHILDREN AWAY DO NOT TOUCH DURING OPERATION CAUTION INSPECT FLUE PIPES JOINTS AND SEALS REGU...

Page 12: ... established allowing you to add more wood do not overload which would smother the fire Add more wood slowly so the flames have time to engulf the fresh wood Once the fire is burning and there is a glowing ember bed adjust the draft to achieve desired burn pattern Learning how to adjust the draft to maintain the desired temperature for your home may take several days After a short time you will kn...

Page 13: ... wood until you get a good hot ember bed At this point add a small amount of coal When the coal is hot enough to ignite add small amounts at a time so as not to smother the fire Keep in mind that Bituminous coal will require more maintenance as this type of coal will produce more soot requiring more frequent cleaning to prevent buildup Also make sure that the spin draft is wide open to establish t...

Page 14: ...O NOT TOUCH DURING OPERATION 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 Draft Blower 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 firebo...

Page 15: ...h heating season Chimney Fire Warning In the event of a chimney fire take the following actions immediately Activate and toss a Chimfex Dry Chemical Chimney Fire Extinguisher into the firebox Close the ash door fuel door spin draft and slide cover on the draft motor Alert entire household and prepare to evacuate if necessary Call your local fire department Power Failure In case of power failure to...

Page 16: ...2626 ITEM NUMBERS SF2631 ITEM NUMBERS SF2639 ITEM NUMBERS 1 1 Ash Door Assemply SFFDA 2 1 Ash Pan Tray FC5AP FC7AP FC11AP 3 1 Draft Blower Shield Bracket SFBMB 4 1 Draft Blower 5 1 Furnace Shell FC5SHELL FC7SHELL FC11SHELL 6 1 Right Side Panel with Insulation SF26RA SF31RA SF39RA 7 1 Electrical Control Center ECC 8 1 Fan Limit Control FCFLC 9 1 Filter Box FCFB 10 1 Smoke Slide Damper FC000 15 11 1...

Page 17: ...AE Washer 44 USS Flat 2 5hw 3 FC43NF Nut 44 14 NC Hex Z 2 6 SFSG Cast Grate Shaker 1 7 HTFB Firebrick 9 00 x 4 50 x 1 25 8 7a HTFB5 Firebrick 9 00 x 3 50 x 1 25 2 8 SFFP Front Plate 1 8hw 1 FC3716CH2 Screw 38 16 NC x 1 00 HCS Z 2 8hw 2 FC3720WF Washer 38 x 1 25 USS Fender 2 8hw 3 FC37NF Nut 38 16 NC Hex Z 2 SF2631 PARTS LIST ITEM PART NUMBER ITEM DESCRIPTION TOTAL QTY 1 SFSCH Handle Shaker Control...

Page 18: ... Shaker 1 3 SFCB3 Control Bar Shaker 3 1 3hw 1 ISHH25 Nut 25 20 NC Lock Hex 3 3hw 2 IS25HLN Screw 25 20 NC x 1 HH 3 4 SFSR3 Cast Rail 3 Slot 1 5 FCRCP Back Plate 1 5hw 1 FC4344CH2 Screw 44 14 NC x 2 75 HCS Z 2 5hw 2 FC43WSAE Washer 44 USS Flat 2 5hw 3 FC43NF Nut 44 14 NC Hex Z 2 6 SFSG Cast Grate Shaker 1 7 HTFB Firebrick 9 00 x 4 50 x 1 25 16 8 SFFP Front Plate 1 8hw 1 FC3716CH2 Screw 38 16 NC x ...

Page 19: ...AT 120V AC 24V AC TRANSFORMER RELAY DRAFT MOTOR ON OFF SWITCH 3 SPEED SWITCH DRAFT BLOWER MOTOR 3 SPEED BLOWER MOTOR BLUE MED RED LOW BLACK HI 120V AC POWER SUPPLY WHITE BLACK GREEN BLACK WHITE YELLOW RED RED RED YELLOW BLACK ORANGE WIRING DIAGRAM INDOOR FURNACE ...

Page 20: ...ion Screw on squirrel cage is not tight Check squirrel cage alignment and position so that it does not drag on the housing during rotation then tighten the screw sufficiently to fasten the squirrel cage securely to the shaft Possible Causes Remedies Balance weights on squirrel cage have become dislocated You may attempt to adjust the weights yourself to obtain an acceptable balance If you are unsu...

Page 21: ...rnace room floor and disbursing it throughout home Connect to return air duct system Install filter box on furnace Install filter in filter box Filter box not installed or no filter in filter box 5 Problem Smoke from the fire chamber is puffing back through the forced draft motor Furnace is not connected to return air and is drawing smoke fumes from the flue Connect to return air duct system Or ro...

Page 22: ...re Install flue gas thermometer and maintain stack temperatures between 300 and 400 F See 9 Insufficient chimney draft 8 Improper connection in stove pipe causing air leakage or a structural defect in the chimney itself Inspect entire flue run from the exhaust stack of the furnace to the termination cap Repair as necessary Fire box not receiving adequate amount of oxygen Furnace room may be too ai...

Page 23: ...re is an obstruction outside chimney such as a tree Flue is located too close to the peak of the roof or does not rise above it to provide the proper draft Flue is too close to another building 9 Check entire chimney system including stove pipe run Utilize chimney cleaning device to remove any obstruction or foreign matter Remove as necessary Obstruction in chimney Excessive ash accumulation Probl...

Page 24: ...quate for your home 12 Open slide cover Completely avoid using if at all possible If circumstances necessitate the use of wet or unseasoned wood then fuel the furnace with smaller loads This will cause the thermostat to call for heat more often which will initate the running of the draft blower Consequently the fires will be hotter thereby reducing the accumulation of creosote Remove ash pan and s...

Page 25: ...n the fan limit control to the manual position where the blower should turn on If the blower fails to run replace the fan limit Possible Causes Remedies Defective capacitor Replace capacitor Contact your supplier for replacement Review wiring diagram If wired correctly seek professional assistance Defective blower Improper wiring 14 Problem Cannot hear or detect changes in blower motor speed Your ...

Page 26: ...arranty a certified professional must determine the appliance part to be defective He or she must submit a written statement to Shelter Furnace detailing an assessment of the problem This assessment MUST be accompanied by substantiating proof of purchase dated invoice bill of sale cancelled check or payment record model and serial number Shelter Furnace will then authorize repair or replacement as...

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