Heatilator Wood Burning Fireplace ST36D Owner'S Manual Download Page 12

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5.  Burning Process

Fire requires fuel, air and heat. If heat is robbed from 

the fireplace during the drying stage, the new load of 

wood has reduced the chances for a good clean burn. 

Always burn dry, seasoned firewood. 

6.  Creosote Formation and Need For Removal

When wood is burned slowly, it produces tar and other 

organic vapors which combine with expelled moisture 

to  form  creosote.  The  creosote  vapors  condense  in 

the  relatively  cool  chimney  flue  of  a  newly-started  or 

a slow-burning fire. As a result, creosote residue ac

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cumulates on the flue lining. 
When ignited,  creosote creates an extremely hot fire 

which may damage the chimney or even destroy the 

house. 
The chimney shall be inspected at least annually be

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fore lighting, or once every two months during heating 

season.
When creosote has accumulated it shall be removed to 

reduce the risk of a chimney fire.

7.  Processed Solid Fuel Firelogs

Manufactured firelogs may be used with this fireplace. 

Hearth & Home Technologies recommends the use of 

ANSI/CAN/UL/ULC 2115 processed solid fuel firelogs 

and firestarters. Follow the manufacturer’s lighting and 

safety instructions.
Using firelogs may require more frequent chimney in

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spections and cleaning.
Do not poke or stir the logs while they are burning. Use 

only  firelogs  that  have  been  evaluated  for  the  appli

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cation  in  manufactured  fireplaces  and  refer  to  firelog 

warnings and caution markings on packaging prior to 

use.

3.  Seasoning

Seasoned firewood is nothing more than wood that is 

cut to size, split and air dried to a moisture content of 

around 20%. The time it takes to season wood varies 

from around nine months for soft woods to as long as 

eighteen months for hardwoods. The key to seasoning 

wood is to be sure it has been split, exposing the wet 

interior and increasing the surface area of each piece. 

A tree that was cut down a year ago and not split is 

likely to have almost as high a moisture content now as 

it did when it was cut.

To season wood:

•  Cut logs to size

•  Split to 6 in. (152 mm) or less

•  Air dry to a moisture content of around 20%

  -  Soft wood - about nine months

  -  Hard wood - about eighteen months

 NOTICE: 

Seasoning time may vary depending on drying 

conditions.

4.  Storing Wood

Splitting wood before it is stored reduces drying time. 

The following guideline will ensure properly seasoned 

wood:

•  Stack the wood to allow air to circulate freely around 

and through the woodpile.

•  Elevate  the  woodpile  off  the  ground  to  allow  air 

circulation underneath.

•  The smaller the pieces, the faster the drying process. 

Any piece over 6 in. (152 mm) in diameter should be 

split.

•  Wood should be stacked so that both ends of each 

piece are exposed to air, since more drying occurs 

through the cut ends than the sides. This is true even 

with wood that has been split.

•  Store wood under cover, such as in a shed, or covered 

with a tarp, plastic, tar paper, sheets of scrap plywood, 

etc., as uncovered wood can absorb water from rain 

or  snow,  delaying  the  seasoning  process. Avoid 

covering the sides and ends completely. Doing so 

may trap moisture from the ground and impede air 

circulation.

D. First Fire

Before lighting your first fire in the fireplace, make certain 

that:

•  refractory is in place

•  all labels have been removed

Note:  Homeowners are encouraged to provide smoke and 

carbon monoxide alarms in accordance with the authority 

having jurisdiction.

Heatilator • ST36D Owners Manual • 4012-060 • Rev K • 02/21

Summary of Contents for Wood Burning Fireplace ST36D

Page 1: ...and Care WARNING HOT SURFACES Glass and other surfaces are hot during operation AND cool down Hot glass will cause burns DO NOT touch glass until it is cooled NEVER allow children to touch glass Keep...

Page 2: ...serts 6 3 Important Safety and Operating Information A Fireplace Safety 7 1 Clear Space 7 2 Grate 8 3 Refractory 8 4 Firescreen 8 5 Flue Damper 8 6 Glass Doors 8 7 Over Firing Your Fireplace 8 8 Chimn...

Page 3: ...USTIBLES FIREBOX FOYER IN MIN FAN KIT KIT DU VENTILATUER MODEL NO AMP IF INSTALLATION OR OPERATING INSTRUCTIONS ARE MISSING CONTACT HEARTH HOME TECHNOLOGIES 7571 215th Street West Lakeville MN 55044 P...

Page 4: ...ever the Warranty coverage shall commence no later than 24 months following the date of Product shipment from HHT regardless of the installation or occupancy date The term Lifetime in the table below...

Page 5: ...causes 6 use of fuels other than those specified in the operation instructions 7 installation or use of components not supplied with the applicable Product or any other components not expressly autho...

Page 6: ...automatic shutoff device and must be installed in accordance with the National Fuel Gas Code Z223 1 Latest edition WARNING Do Not operate an unvented gas log set in this fireplace with the chimney rem...

Page 7: ...s such as drapes curtains chairs or other combustibles must be at least 4 ft 1219 mm from the front of the fireplace Combustible materials are materials made of or sur faced with any of the following...

Page 8: ...he supplied grate or one approved by HHT WARNING Risk of Fire Use only the factory sup plied integral grate Keeps logs in place Allows proper air circulation around the fire 3 Refractory The refractor...

Page 9: ...replace Alert children and adults to hazards of high temperatures High temperatures may ignite clothing or other flammable materials Keep clothing furniture draperies and other flammable materials awa...

Page 10: ...The outside air kit supplies some combustion air for your fireplace It may help reduce the effects of nega tive air pressure Close the inlet to prevent cold drafts when the fireplace is not being used...

Page 11: ...way you can use the softwood for starting the fire giv ing off quick heat to bring the fireplace up to operating temperature Add the hardwood for slow even heat and longer burn time 2 Moisture content...

Page 12: ...varies from around nine months for soft woods to as long as eighteen months for hardwoods The key to seasoning wood is to be sure it has been split exposing the wet interior and increasing the surfac...

Page 13: ...cure You may notice an in dustrial odor the first few fires This is considered normal Use well seasoned wood Open the flue damper to a fully open position Place crumpled or twisted paper under the fir...

Page 14: ...himney Sweep Confirm that termination cap remains clear and unobstructed Inspect for blockages such as bird nests leaves etc Inspect for corrosion or separation Inspect for creosote and remove as need...

Page 15: ...Remove all ash from the firebox and extinguish all hot embers before disposal Allow the fireplace to cool completely Close the door tightly Remove the top of the termination cap as shown in Figure 4...

Page 16: ...is out and the fireplace is cold Ashes should be placed in metal container with tight fitting lid The closed container of ashes should be placed on a noncombustible floor or on the ground well away fr...

Page 17: ...el section Bed of coals not established before adding wood Start with paper kindling to establish bed of coals refer to starting fire section Flue blockage such as birds nests or leaves in termination...

Page 18: ...en using an exterior factory built chim ney or exterior masonry chimney Try holding a burning rolled up newspaper as close to the flue outlet as pos sible for a few minutes then light the paper under...

Page 19: ...rt up Outside air closed Overhead fan operating Overhanging tree Bird s nest or leaves in termination cap Structural changes in chimney area Creosote buildup in flue Strong win d s a r o u nd chimney...

Page 20: ...2 B Accessories Doors DM1036 Bi fold glass doors with black trim DM1036S Bi fold glass doors with stainless steel trim Gas Log Sets Gas Log Lighters Heatilator ST36D Owners Manual 4012 060 Rev K 02 21...

Page 21: ...23 This page intentionally left blank Heatilator ST36D Owners Manual 4012 060 Rev K 02 21...

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