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851767B-1905E

Model: 1602M

Wood or Coal Gravity Style (Up-Flow) Supplemental Furnace

United States Stove Company • 227 Industrial Park Road, P.O. Box 151 • South Pittsburg, TN 37380 • www.usstove.com

SAFETY NOTICE:

If this furnace is not properly installed, a house 

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 re may result! For your safety, follow these installation instructions. 

Contact local building or 

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 re of

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 cials about restrictions and installation requirements in your area. This furnace must 

be installed by a quali

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 ed technician. Keep these instructions for future reference.

Installation/Operator’s Manual

Safety Tested to UL 391

U.S. Environmental Protection Agency 

Certi

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ed to comply with 2015 particulate emissions standards.

Summary of Contents for 1602M

Page 1: ...lled a house fire may result For your safety follow these installation instructions Contact local building or fire officials about restrictions and installation requirements in your area This furnace must be installed by a qualified technician Keep these instructions for future reference Installation Operator s Manual Safety Tested to UL 391 U S Environmental Protection Agency Certified to comply ...

Page 2: ...n the type of fuel being burned and its conditions the thermostat setting the draft adjustment and the chimney to which the unit is attached The actual area that this unit will heat depends on factors such as the conditions of the building heat loss type of construction amount of insu lation type of air movement the location of the unit and more importantly the duct work and return air facility Wa...

Page 3: ...ove the highest point of the house or 2 foot above the point at which the chimney is 10 foot from the roof 7 The chimney should be relatively straight and vertical 8 The portion of an all fuel metal chimney that extends above the roof should be well secured 9 A masonry chimney should be built on footings and not attached to the house 10 A rain cap complete with an animal or bird screen should be i...

Page 4: ...longer than six feet If it is absolutely necessary to make a run of more than six feet not recommended use extra support brackets every 3 feet 4 The connector pipe should never be reduced to a smaller size than flue opening on the furnace 5 The connector pipe should not block the flue of the chimney or extend into it in any way 6 A good airtight thimble should be used to hold the con nector pipe i...

Page 5: ...the blowers off and on The thermostat may not function properly 3 All larger furnaces or those with multi speed blowers absolutely require BACK PRESSURE to prevent prema ture motor winding failure If allowed to operate at high RPM As in FREE AIR mode no duct work or flow re strictions the windings overheat insulation melts and the motor simply burns up not covered under warranty CONNECTING HOT AIR...

Page 6: ...e is decreased Without a return air system warm air will be drawn into your basement unnecessarily heating unused areas of the home In extreme cases if your base ment or utility room is fairly airtight the blowers on the furnace could depressurize the room and pull toxic flue gases from the furnace a gas water heater or gas fur nace The fumes could then be distributed throughout the house COMBUSTI...

Page 7: ...ing brackets on the left side of the door frames as illustrated The slots in the brackets and latches are for door seal adjustment Make the proper adjustments then tighten the nuts The door s gasket should be snug against the door frame on the fur nace Feed Door Illustration Ash Door Illustration 1 Feed Door Latch 1 Ash Door Latch 4 1 4 20 x 3 4 Hex Bolt 4 1 4 20 Kep Nut BRACKET SHAKER GRATE HANDL...

Page 8: ...the illustration Attach the shorter conduit assembly to the bottom of the box securing it with the nut on the fitting 5 Plug the wires onto the snap disc see wiring sche matic and then attach the box to the back of the unit using four of the 10 x 1 2 screws provided 6 Next mount the junction box and insulation using two of the 10 x 1 2 screws provided Install the 5 x 5 insulation between the cabin...

Page 9: ...K REPLACEMENT If baffle replacement is necessary slide the baffle out un til you can access the nuts thru the flue outlet Once the nuts have been removed slide the baffle off the rod and thru the opening in the firebrick You may have to remove one of the firebrick to make baffle removal easier There are 4 full brick and 1 half brick in the top of the furnace Install the brick by inserting one end ...

Page 10: ...prohibit the use of fire starters made from paper cardboard saw dust wax and similar substances for the purpose of starting a fire in an affected wood heat er Burning these materials may result in release of toxic fumes or render the heater ineffective and cause smoke Dead wood lying on the forest floor should be considered wet and requires full seasoning time Standing dead wood can usually be con...

Page 11: ... in soil or otherwise locally dispersed they should be retained in the closed container until all coals have thoroughly cooled 3 With your poker push hot burning embers to the rear of the unit and add green coal in front NEVER load over height of firebrick This can result in damage to your furnace and home 4 Close by pass damper Too much draft air will cause clinkering of coal and will waste heat ...

Page 12: ... burn gases Slow fires can cause excessive creosote build up in smoke pipe chimney and firebox Wood should be placed directly onto the cast iron shaker grate of the Clayton furnace Do not use ad ditional grates and or irons In the event of a power failure you may operate the furnace provided the following instructions are fol lowed 1 Any air filter should be removed 2 Observe the furnace operation...

Page 13: ...cations can result in permanent damage to the heater ASH REMOVAL AND DISPOSAL Whenever ashes get 3 to 4 inches deep in your firebox or ash pan and when the fire has burned down and cooled remove excess ashes Leave an ash bed approximately 1 inch deep on the firebox bottom to help maintain a hot charcoal bed Ashes should be placed in a metal container with a tight fitting lid The closed container o...

Page 14: ...not too close to the top of the chimney D Check chimney draft make sure chimney flue pipe is clean and chimney is of adequate height E Make sure you re not suffocating the fire with excessive amounts of unburned wood F Slide baffle should be pulled out prior to load door opening 4 Problem Distribution blower vibrating Solution A Tighten blower wheel to motor shaft B Check for bad fan bearings 5 Pr...

Page 15: ...15 PARTS DIAGRAM 11 12 13 16 15 17 14 7 10 5 2 3 6 30 29 4 3 2 1 35 3 8 9 24 26 25 27 17 16 3 19 18 20 28 34 21 22 32 33 23 31 ...

Page 16: ... Gasket Flue Collar 88032 1 22 Flue Collar 40246 1 23 Flue Collar Ring 22761 1 24 Smoke Curtain 23800 1 25 Smoke Door Clip 23787 2 26 Carriage Bolt 1 4 20 x 1 1 4 Long 83445 2 27 Kep Nut 1 4 20 83250 2 28 Cabinet Side Left 69452 1 29 Cabinet Side Right 69453 1 30 Blank Receptacle Snap In 891127 1 31 Cabinet Back 25624 1 32 Insulation Panel C98871 1 N S Insulation Retainer 83884 12 33 Cabinet Top 6...

Page 17: ...s an option and can be purchased from your local dealer The UFB908 utilizes a standard 16 x 20 filter that can be purchased from your local dealer or any hardware duct work supply store When installing a UFB908 follow the installation instructions supplied with the kit 6 7 8 USSC offers a forced induced draft blower kit as an op tion to upgrade your Clayton furnace Advantages of the forced draft a...

Page 18: ... The installation is now ready to be plumbed to your existing hot water system Choose one of the three methods described in the Hot Water Coil instructions 6 Remove knockouts from the access panel and re attach to the furnace enclosure Have a qualified plumber connect your domestic hot wa ter pipe to the coil with the appropriate fittings DR6 6 DRAFT REGULATOR OPTIONAL KIT In the unlikely event th...

Page 19: ...hod with the highest portion of your fire bed in the center of the firebox The first flames will be long and generally orange or yellow and produce quite a bit of smoke As the gases burn off the flames become shorter change color and produce less smoke Once the fire is WELL ESTABLISHED add coal to the cen ter of the firebox forming the cone Burning in this fashion allows heat to drive off the vola...

Page 20: ... but leave the spin damper or thermostat open for a few minutes until the volatile gases have burned off It is not necessary to shake down the ashes each time you refuel the furnace Experience will be your best teacher BANKING THE FIRE For extended operation such as overnight the fire will need to be banked To do so heap coal up along the sides and back of the firebox so that the fire gradually bu...

Page 21: ...NOTES ...

Page 22: ...NOTES ...

Page 23: ...NOTES ...

Page 24: ...ual in a safe place for future reference When placing an order or for warranty claims please provide the following informa tion found on the Certification Plate located below the ash door PART NUMBER PART DESCRIPTION MODEL NUMBER 1602M SERIAL NUMBER______________ United States Stove Company 227 Industrial Park Road P O Box 151 South Pittsburg TN 37380 800 750 2723 ...

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