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THIS IS A WOOD AND COAL BURNING FURNACE AND SHOULD NOT BE ALTERED 

IN ANY WAY!  DOING SO WILL VOID YOUR WARRANTY!

STARTING A WOOD FIRE

Using Forced Air Draft (optional)

Shut off FAD when fuel door is open

1. Start 

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 re inside the 

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 rebox as described above.

2.  The forced air draft cycles on demand from the wall 

thermostat. Setting the Vogelzang thermostat four de-
grees higher than your existing thermostat is recom-
mended. In operation, the power draft blower will run 
until the Vogelzang thermostat temperature setting is 
reached. The draft regulator on the forced air draft is 
preset at the factory and should require no adjustment.

CAUTION: To avoid excessive temperatures, do not  oper-
ate with fuel door or ash pan open.

STARTING A COAL FIRE

If you burn coal, a forced air draft is required

Shut off FAD when fuel door is open

•  Open smoke pipe damper all the way. Open all draft  

controls on your furnace. Pull the slide baf

fl

 e forward.

• 

Place about 10-15 lb. of coal in on the shaker grates. It 
should come up to about half of the 

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 rst 

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 rebrick level.

•  Place crumpled paper over the coal and crisscross a 

couple handfuls of dry kindling wood 3/4” in thickness 
on top of paper.

•  Ignite the paper and close loading door. Wait about 

30 minutes until coal 

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 re is established before adding 

more coal. NOTE: NEVER load coal over the level of 

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 rebrick.

• 

Close by-pass damper and set all draft controls to your 
own needs. It may take 3 to 4 coal 

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 res to determine 

how your local coal and the Furnace react together. 
Adjust drafts accordingly.

•  Loading with a good bed of coals in the morning - 

Open by-pass damper.

1.  In normal shaking, only rock the grates a small amount 

to sift ash through. Do not agitate the 

fi

 re bed too of-

ten. This practice will waste coal. If glowing coal is vis-
ible in the ash pan, you have shaken to much.

2.  Remove all ashes every day from ash pan.
CAUTION: Ashes should be placed in a metal container 
with a tight 

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 tting lid. The closed container of ashes should 

be placed on a non-combustible 

fl

 oor or on the ground 

well away from all combustible materials pending 

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 nal 

disposal. If the ashes are disposed of by burial 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 fresh coal in front. NEVER load 

over height of 

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 rebrick. 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 up the chimney. Shut draft down to as low 
a point as you can and still heat your home.

1.  NOTE: Never stand in front of loading door when 

opening it. Stand to the side.

2.  NEVER completely cover the live 

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 re with fresh coal. 

Always leave a generous area of glowing coal at the 
top of the 

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 re and at the rear.

3.  Always keep the ash pan clean.
• If 

the 

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 re goes out or does not hold overnight, look for:

1. Poor 

draft.

2.  Incorrect damper settings.
3. Improper 

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 ring methods for coal being used.

4.  More combustion air needed.
5.  Coal not sized to the furnace. We recommend 1” to 3” 

diameter pieces of coal.

6.  Ashes, if allowed to accumulate in the ash pan, will 

not allow the passage of required air for combustion. 
Keep ash pan clean.

7.  This furnace is not to be used with an automatic stoker 

unless so certi

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 ed.

•  There are ONLY two types of coal allowed for use in 

this furnace: Bituminous Coal (soft coal) and Anthra-
cite Coal (hard coal). NEVER USE Cannel (or Chan-
nel) coal or Brown (Lignite) Coal. 

• 

See our Bulletin RC454 at the rear of this manual for 
the best information available on burning coal.

OPERATING NOTES

• 

Do not over draft the furnace! It is designed to operate 
at .06 inches of water column and must be set with 
a draft gauge to maintain a steady draft. (Barometric 
Damper recommended.)

•  Do not allow ashes to build up higher than 2” above 

grates.

• 

Never allow the ashes in the ash pan touch the grate 
section. REMOVE ASHES FREQUENTLY!

• 

Be extremely careful when removing furnace ash pan; 
it can get very hot.

• 

With new steel, there is a small amount of oil or dirt on 
the metal. You may smell an odor. This is normal dur-
ing the 

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 rst operation. You may want to assemble the 

furnace out of doors and build a small 

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 re in it to “burn 

off” this dirt and oil before installing the unit. 

Summary of Contents for VG7100

Page 1: ...talled 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 SAVE THESE INSTRUCTIONS Certified for installations in the USA Safety Tested t...

Page 2: ...U output depends on 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 retu...

Page 3: ... certain it has a fire clay liner and that it is intact clean and recently inspected And remember masonry chimneys are far more prone to the formation of hazardous creosote 1 The furnace should be the only heating using the chim ney flue One furnace per flue outlet 2 A masonry chimney should have a tile or stainless steel liner 3 The masonry chimney should not have any missing mortar or loose bric...

Page 4: ...can be removed for cleaning 7 The connector pipe should not leave the heated por tion of the building to reach the chimney 8 The connector pipe should not pass from one story to the next before entering the chimney nor should it pass through any closed or enclosed space 9 The connector pipe and any elbows must be of 24 gauge or greater 10 The connector pipe should not be located near or in a walk ...

Page 5: ...nsulation melts and the motor simply burns up not covered under warranty CONNECTING HOT AIR DUCT TO FURNACE We strongly recommend that the hot air duct work be in stalled by a home heating specialist If doing the installa tion yourself before you decide which installation will best suit your needs consult a qualified heating technician and follow his recommendations as to the safest and most ef fi...

Page 6: ...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 COMBUSTION AI...

Page 7: ... 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 HANDLE I...

Page 8: ...lustration 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 cabinet bac...

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: ... 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 considered to be about 2 3 seasoned Split ting and stacking wood before it is stored accelerates dry ing time Storing wood on an elevate...

Page 11: ... combustible materials pending final disposal If the ashes are disposed of by burial 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 fresh coal in front NEVER load over height of firebrick This can result in damage to your furnace and home 4 Close ...

Page 12: ...wed 1 Any air filter should be removed 2 Observe the furnace operation closely and often till power is restored Do not burn garbage plastics gasoline drain oil or other flammable liquids Plastics when burned form hydrofluoric and hydrochloric acids which will damage and destroy your furnace pipe and chimney The burn ing of trash or oil can result in an extremely hot fire and is sometimes a cause o...

Page 13: ...s when exposed to elevated concentrations for extended periods of time While the modern combustion systems in heaters drastically reduce the amount of CO emitted out the chim ney exposure to the gases in closed or confined areas can be dangerous Make sure you stove gaskets and chimney joints are in good working order and sealing properly to ensure unintended exposure It is recommended that you use...

Page 14: ... cap is 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 beari...

Page 15: ...enter 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 volatile gases and turbulence created increases the burn e...

Page 16: ... 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 burns it over a longer period of time The intensity of the fire will also be reduced without letting it go out F...

Page 17: ...17 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 18: ... 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 19: ...r for your home Vogelzang offers the model UFB908 as 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 yo...

Page 20: ...l and re attach to the furnace enclosure 7 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 Have a qualified plumber connect your domestic hot wa ter pipe to the coil with the appropriate fittings In the unlikely event that your furnace overfires a con dition evidenced by elbows stove pipes an...

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 information found on the Certification Plate located below the ash door PART NUMBER PART DESCRIPTION MODEL NUMBER VG7100 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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