USSC Ashley 24A, Owner'S Manual

Page 1: ...PANY 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 24A 30A TESTED TO UL 391 ...

Page 2: ...wed ash door is open even partially open the feed door pressure relief flap is open the feed door is open or the manual draft spinner is open Open the ash and feed doors only when in attendance never leave the furnace unattended when doors are open This furnace has an automatic draft fan so use the manual draft with a specific purpose Also an overfilled ash drawer can cause grate warpage keep ash ...

Page 3: ...he key to a long last ing relationship with your new furnace These instructions can help you now as well as in the future Note This owners manual is provided for Forced Air add on furnaces United States Stove Company is constantly developing and improving its product line therefore we reserve the right to change specifications without notice General Rules 4 How It Works 5 Installation Instructions...

Page 4: ...r firing occurs when the ash door is left open during operation or a highly volatile fuel such as large amounts of small kindling is used Note This action voids all warranty Follow a regular service and maintenance schedule of the furnace and chimney for efficient and safe op eration Do not leave the ash door open when the fire is burn ing Do not let ashes build up closer than 2 to the grate With ...

Page 5: ...icient and often leaves part of the home either too hot or too cold Your furnace is designed to deliver heat as long as there is a fire in it The fire intensity is regulated by the room thermostat high or low the fire continues to produce heat This heat is continuously distributed throughout the home by a distribution blower This constant supply of heat is uniform and prevents drafts WARNING Note ...

Page 6: ...ld not be connected to the cold air return inlet of the central furnace because a possibility exists of components of the central furnace overheating and causing the central furnace to operate other than as intended After installation be sure the measured external static pressure of the central and Furnace is not greater than those marked on the nameplates INSTALLATION 3 The baffle on this system ...

Page 7: ...has been tested to determine the SAFE clearances to combustible material The clearances are printed on the label located on the back of the furnace The chart on this page also states these mini mum clearances Make sure you follow these when choosing your furnace location Any hot air plenum connection to a furnace must be constructed of metal NOTE INSTALL ONLY ON A NON COMBUSTIBLE FLOOR Clearance t...

Page 8: ...t may be is 39 square inches Class A chimneys are those made from tile lined masonry brick or block or an independent laboratory approved all fuel factory built chimney CAUTION Only a Class A all fuel chimney in tended for use with solid fuel should be used FL FL FL FL FLUE RECOMMEND UE RECOMMEND UE RECOMMEND UE RECOMMEND UE RECOMMENDA A A A ATIONS TIONS TIONS TIONS TIONS ...

Page 9: ...s possible for your fans to draw in furnace smoke if there is only dead air in the area Note It s highly recommended that a cold air return system be utilized Simply attach a 14 round to a filter box adapter and attach to cold air return Also a cold air return increases motor life CHIMNEY INSTALLATION With the chimney being the most important part to your installation great care should be given to...

Page 10: ... the distribution fan see wiring diagram page 18 and the wiring to wall the thermostat 4 After mounting the three 3 fans proceed to the fan control center NOTE The best maintenance for fan motors is to keep them clean exceptionally clean Oiling with 20W N detergent once a season will also help but cleanliness is what prolongs motors life The distribution motors have sealed ball bearing motors and ...

Page 11: ...ng feed door with four 4 self thread ing screws One screw in each corner NOTE Furnace control center is designed for left side attachment Should space prohibit such revers ing shrouds for right side installation is possible however control wires from box will have to be extended Next attach the 4x4 junction box below the con trol center box using 2 self threading screws pro vided in the parts bag ...

Page 12: ...simply bend all tabs right angle under shroud This may be possible with thumbs if not remove top and use small hammer CAUTION Any hot air plenum connection to a fur nace must be constructed of metal Installing Grates Install grates together slip shaker lug into hole and place grates into frame Grate arch faces upward Check out grate rotation by placing shaker handle on grate lug 3 4 Grates should ...

Page 13: ...bolts Secondly line up the holes in the rear baffle and the heat plate with the firebox and attach by using two 2 5 16 bolts nuts washers Tighten all four 4 bolts NOTE to reach rear bolts you may find it easier to put your arm through the flue outlet rather than to reach through the feed door 15 Installing smoke damper rod to sliding smoke damper First insert rod through hole above feed door and p...

Page 14: ... the door then attach with the 1 2 13 nut and washer provided Tighten nut against the backside of the door then back it off approx 1 4 turn or until handle moves freely Follow these instructions for ash door handle installation ASSEMBL ASSEMBL ASSEMBL ASSEMBL ASSEMBLY ILL Y ILL Y ILL Y ILL Y ILLUSTRA USTRA USTRA USTRA USTRATIONS TIONS TIONS TIONS TIONS 18 Find the Feed Door Latch shown in the part...

Page 15: ...the room thermostat to a high tem perature so that the draft blower turns on then turn the thermostat back to proper setting thus turning the draft air blower off Should draft blower not func tion check to see if rheostat setting is on NOW PROCEED WITH LIGHTING A FIRE The above is somewhat basic however it s offered so you can understand your furnaces electrical func tions and enjoy it more CAUTIO...

Page 16: ... and place on a non combustible surface CAUTION Never let ashes build up to grate level This will reduce the life span of your grate and void grate warranty CAUTION Never use anything but a metal container to put your ashes in Every year fires are caused by empty ing ashes into cardboard boxes or paper bags MAINTENANCE Keep chimney and flue pipe clean by cleaning at least twice during a heating se...

Page 17: ...tter than a lot of agitation The objective is to remove a small amount of the ashes without disturbing the fire Stop when you see a glow in the ashes or the first red coals fall into the ash pan Excessive shaking wastes fuel and can expose the grate s to very high temperatures which can cause warpage or burnout For overnight operation long duration burn time shake the fire and add coal retaining y...

Page 18: ... done only when there is a hot fire The frequency of shaking will depend on the degree of burning Shaking should be done at least once a day and preferably twice a day Best results from shaking the rocker grates will occur if short choppy strokes are used rather than long even strokes The amount of shaking is critical Too little or too much of both can result in the extinguishing of a fire due to ...

Page 19: ...l furnaces should not be installed in any chimney having an excessively large flue These conditions can cause improper draft resulting in carbon monoxide entering the house rather than being drawn up the chimney Remember coal gases are toxic Sulfur dioxide sulfur trioxide and other ions released from coal burning may corrode stainless and masonry chimneys and even terra cotta chimney liners and br...

Page 20: ...your chim ney Make sure chimney cap is not too close to the top of the chimney Check chimney draft make sure chimney flue pipe is clean and chimney is of adequate height Make sure you re not suffocating the fire with excess amounts of unburned fuel Problem Distribution blower vibrating Solution Tighten Allen Screw on squirrel cage Check for bad fan bearings Also oil 3 4 drops of 20w non detergent ...

Page 21: ...USSC Page 21 REP REP REP REP REPAIR P AIR P AIR P AIR P AIR PARTS DIA ARTS DIA ARTS DIA ARTS DIA ARTS DIAGRAM GRAM GRAM GRAM GRAM ...

Page 22: ...LINER 2 24 24487 REAR HEAT PANEL 1 25 24496 FRONT HEAT PANEL 1 26 40369 SHAKER GRATE FRAME 2 27 40349 SHAKER GRATE 2 28 40376 HALF GRATE FRAME 30A 1 29 40350 HALF GRATE 30A 1 30 24828 DAMPER ROD 1 25612 DAMPER ROD 30A N S 83874 1 8 DIA x 1 1 2 COTTER PIN 1 31 89066 FIREBRICK MODEL 30A USES TWO 2 MORE BRICK 10 2 N S 891414 HALF FIREBRICK 30A ONLY 2 32 24220 INSIDE COVER PLATE 1 33 C97999 GASKET WAT...

Page 23: ...USSC Page 23 WIRING SCHEMA WIRING SCHEMA WIRING SCHEMA WIRING SCHEMA WIRING SCHEMATIC TIC TIC TIC TIC ...

Page 24: ...OR FUTURE REFERENCE WHEN WRITING ALWAYS GIVE THE FULL MODEL NUMBER WHICH IS ON THE NAMEPLATE ATTACHED TO THE HEATER WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOLLOWING INFOR MATION AS SHOWN IN THIS LIST 1 THE PART NUMBER 2 THE PART DESCRIPTION 3 THE MODEL NUMBER 24A 30A 4 THE SERIAL NUMBER ____________________ ____________________ ____________________ ____________________ ____________________ UNI...