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United States Stove 24AF manual

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Table of contents for the manual

  • Page 1

    USSC Page 1 851224C UNITED STATES STOVE COMPANY 227 Industrial Park Road P.O. Box 151 South Pittsburg, TN 37380 All installations must be made in accordance with local and state codes which may differ from this manual. Wood & Coal Burning Furnace Owners Manual Models: 24AF, 24AG, 24AZ TESTED TO UL 391 R US[...]

  • Page 2

    Page 2 USSC CHIMNEY INSTALLATION Your new furnace must be installed into a "Class A" Chimney only. This type of chimney consists of a flue lined brick chimney, or an approved "Class A" all fuel factory built (prefabricated) type. Any other installation guarantees an immediate fire hazard. Do not install the furnace into the same[...]

  • Page 3

    USSC Page 3 Welcome... ...to the world of solid fuel heating! Your new furnace has been designed and built with a high grade of materials and the strictest regard to quality. Before you start installing your new furnace, take the time to read these installation and operating instructions. We have prepared them for your benefit to save time and prov[...]

  • Page 4

    Page 4 USSC General Rules Rules for the Safe Installation and Operation of Your Furnace... Check local codes, the installation must comply with strict conformance in regard to clearances. The Furnace must be installed on a noncombustible floor. Connect the furnace to tile lined inside masonry chimney or approved insulated all fuel prefabricated chi[...]

  • Page 5

    USSC Page 5 How... How Your New Furnace Works Unlike conventional heating (gas, oil, electric), wood or coal heating requires more user attention. Your furnace, with its automatic combustion air blower, alleviates the constant need for adjusting the burning rate common to other units on the market. The fire, however, must be started and subsequent [...]

  • Page 6

    Page 6 USSC Parts FOR MODEL(S): 24AF 1 23 4 8 26 22 6 7 27 5 9 10 11 27 14 13 16 31 29 26 33 35 15 12 30 32 34 19 20 18 17 39 37 36 25 21 24 23 28 38[...]

  • Page 7

    USSC Page 7 Parts K E Y PART # DESCRIPTION QTY. 1 69072 FIREBOX WELDMENT 1 2 C97999 WATER COIL COVER GASKET 1 3 24220 INSIDE COVER PLATE 1 N / S C23799 12 x 3/4" TEKS SCREW 3 N / S 83236 1/4-20 x 3/4" HX SCREW 4 4 25085 FEED DOOR 1 N / S 88033 3/8" ROPE GASKET (FEED DOOR) 4.25 FT. N / S C21390 7/32 x 1 ROLL PIN (FEED DOOR) 2 5 24482 [...]

  • Page 8

    Page 8 USSC Parts FOR MODEL(S): 24AG, 24AZ 1 23 48 2 6 22 6 7 27 5 9 10 11 27 14 13 16 31 29 26 33 35 15 12 30 32 34 19 20 18 17 45 37 36 25 21 24 23 28 38 40 39 41 43 42 44[...]

  • Page 9

    USSC Page 9 K E Y PART # DESCRIPTION QTY. 1 69315 FIREBOX WELDMENT 1 2 C97999 WATER COIL COVER GASKET 1 3 2 4 2 2 0 INSIDE COVER PLATE 1 N / S C23799 1 2 x 3/4" TEKS SCREW 3 N / S 8 3 2 3 6 1/4-20 x 3/4" HX SCREW 4 4 2 5 0 8 5 FEED DOOR 1 N / S 8 8 0 3 3 3/8" ROPE GASKET (FEED DOOR) 4.25 FT. N / S C21390 7/32 x 1 ROLL PIN (FEED DOOR)[...]

  • Page 10

    Page 10 USSC Installation Furnace location Before you start! It is very important you check with your dealer, local fire department, or building inspector. They will be able to in- form you of any state or local codes pertaining to the loca- tion and installation of your furnace. The ideal location for your furnace is centrally located in the basem[...]

  • Page 11

    USSC Page 11 Your furnace is designed to be added on to existing duct work and operate either with or without another heat source such as a gas furnace. The following diagrams illustrate acceptable ways of ducting your furnace. Clearance to Combustible Materials Your Furnace has been tested to determine the SAFE clear- ances to combustible material[...]

  • Page 12

    Page 12 USSC FLUE RECOMMENDATIONS WHAT SIZE CHIMNEY SHOULD BE USED? The Chimney size to use is either six (6) or (8) inch round or an 8 x 8" square. If you use a rectangular chimney , the mini- mum area it may be is 39 square inches. "Class A" chimneys are those made from tile-lined masonry (brick or block) or an independent laborato[...]

  • Page 13

    USSC Page 13 CONNECTING STOVE PIPE TO A METAL CHIMNEY When using a metal chimney, part of the installation pack- age should include a stove pipe connector. Follow the in- structions provided with the chimney and its parts. CHIMNEY DRAFT REGULATORS (OPTIONAL) BAROMETRIC DAMPER These devices are used to help maintain adequate chimney draft automatica[...]

  • Page 14

    Page 14 USSC NOTE: Your furnace may come partially pre-assembled, but in the case that it is not, follow the instruc- tions below. Prior to assembling, place the unit in the general vicinity of the installation. This should help minimize handling damage to the unit after assembly. Note: If your basement can't handle a height of 7' 8"[...]

  • Page 15

    USSC Page 15 6 . Attach low voltage thermostat No. 18 up to 30 ft. run No. 16 to 15ft. Run (purchase locally) to terminal plate, screws identified with letters G & R. (Generally top row center, bottom row right). Snake wire through holes in top of box. Replace outer covers & control knob. Under no circumstances should you attempt to plug in[...]

  • Page 16

    Page 16 USSC 10. Install grate frame (if not already installed): Lay the first grate frame on the side supports and slide to the back of the unit. Then install the second grate frame to the front as shown in the picture above. 12. Installing Firebrick: Place 5 bricks on each side (10 brick total). The bricks tuck under firebox seem. 9. Installing c[...]

  • Page 17

    USSC Page 17 1 3 . Installing front and rear cast baffles, heat plates. NOTE: Grate frames and brick will slide forward and backward to allow baffle to fit. Install front cast baffle using two (2) 5/16 bolts, nuts & washers (7/16 wrench will be needed). Place the side of the baffle that has the two ribs against the front weld of the firebox. Do[...]

  • Page 18

    Page 18 USSC 1 8 . Installing steel smoke shield. Two (2) holes are pro- vided above each corner of the feed door. Slide the two (2) bolts, supplied in the parts bag, into the holes. Next, place the two (2) clips provided onto each bolt and then attach the two (2) nuts on each bolt. Before tightening the bolts and nuts securely, slide the smoke shi[...]

  • Page 19

    USSC Page 19 Accessories Domestic Hot Water Coil Part # 11WCK Filter Box Part # 24CRM NOTE: DRAWINGS ARE FOR ILLUSTRATION PURPOSES ONLY. ACTUAL PRODUCTS MAY LOOK DIFFERENTLY.[...]

  • Page 20

    Page 20 USSC WIRING DIAGRAM NOTE: RHEOST A T IS ADJUST ABLE. IN CASE OF LOW VOL T AGE TURN COUNTERCLOCKWISE UNTIL BLOWER WILL RUN, BUT NOT ST ALL, WHEN POWER IS RETURNED T O UNIT . RHEOST AT PT# 80090 ROOM THERMOST AT YG W CR 1 4 COIL 3 6 COIL 2 5 BLUE BLACK RELAY BO T TO M BLUE BLACK RED ORANGE (3) PT# 80390 (LOCATED ON LEFT OF BOX) BLACK (2) PT# [...]

  • Page 21

    USSC Page 21 Control Box & Electrical Component 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Wall mounted thermostat requests heat...electrical contact occurs. Current is sent through relay, rheostat, 170 degrees thermo limit disk to activate draft fan. Relay...electrical switching device, Rheostat...current (voltage) reducer increases or de- creases draft f[...]

  • Page 22

    Page 22 USSC 3. 4. 5. 6. 7. 8. 9. 10. Ignite the paper and close the door. Do not attempt to open the door immediately after igniting the fire. There could be a flame flash out. It will take a few minutes for the fire to establish itself. Once you have some good red hot burning coals, add larger pieces of wood. All Chimneys and hookups act differen[...]

  • Page 23

    USSC Page 23 Keeping your chimney and stove pipe clean is the best in- surance against chimney fires. Note: Smoke detectors and fire extinguishers should always be a part of your equip- ment. If you clean your own chimney and stove pipe, we recom- mended purchasing the equipment professionals use. Wire brushes are available in enough sizes and shap[...]

  • Page 24

    Page 24 USSC gases given off by the new charge. A deep charge will give a more even heat and a longer fire, but it may take one to two hours before the whole bed is fully ignited. When the fire is well established and the room is becoming warm, partially close the dampers. You will have to experi- ment with your particular setting of the damper and[...]

  • Page 25

    USSC Page 25 ASHES Ashes never should be allowed to accumulate in the ash pit so that they in any way impede the flow of combustion air to the fire. Excess ash accumulation can cause the fire to go out and also can cause severe damage to the grates because of the absence of a cooling flow of air beneath them. Ashes always should be emptied into a m[...]

  • Page 26

    Page 26 USSC Trouble-Shooting TROUBLE-SHOOTING, PROBLEM SOLVING FOR YOUR FURNACE 1. 2. 3. Problem: Smoke puffs from furnace. Solution: A . Check chimney draft. Check for blocked chim ney or flue pipe. Use mirror to check chimney clearance. B . Check ash pit - if too full, empty. C . Make sure furnace room is not too airtight. D . Make sure all chim[...]

  • Page 27

    USSC Page 27 Notes[...]

  • Page 28

    Page 28 USSC HO HO HO HO HO W T W T W T W T W T O ORDER REP O ORDER REP O ORDER REP O ORDER REP O ORDER REP AIR P AIR P AIR P AIR P AIR P AR AR AR AR AR T T T T T S S S S S THIS MANUAL WILL HELP YOU OBTAIN EFFICIENT, DEPENDABLE SERVICE FROM YOUR FURNACE, AND ENABLE YOU TO ORDER REPAIR PARTS CORRECTLY. KEEP THIS MANUAL IN A SAFE PLACE FOR FUTURE REF[...]