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Hearthstone Quality Home Heating Products, Inc 

® 

                                                                                                                                                             

Craftsbury (Model 8392) 

28 

M

AINTENANCE

 

C

ATALYTIC 

C

OMBUSTOR 

I

NSPECTION AND 

R

EPLACEMENT 

P

ROCEDURES

 

•

 

WARNING: THIS WOOD HEATER CONTAINS A 
CATALYTIC COMBUSTOR, WHICH NEEDS 
PERIODIC INSPECTION AND REPLACEMENT FOR 
PROPER OPERATION. IT IS AGAINST FEDERAL 
REGULATIONS TO OPERATE THIS WOOD 
HEATER IN A MANNER INCONSISTENT WITH 
OPERATING INSTRUCTIONS IN THIS MANUAL, OR 
IF THE CATALYTIC ELEMENT IS DEACTIVATED 
OR REMOVED

 

 

 
It is important to periodically monitor the operation of 
the catalytic combustor to ensure that it is 
functioning properly and to determine when it needs 
to be replaced. A non-functioning combustor will 
result in a loss of heating efficiency, and an increase 
in creosote and emissions. Following is a list of 
items that should be checked on a periodic basis 
 
-Combustors  should  be  visually  inspected  at  least 
three times during the heating season to determine if 
physical degradation has occurred. Actual removal of 
the  combustor  is  not  recommended  unless  more 
detailed  inspection  is  warranted  because  of 
decreased  performance.  If  any  of  these  conditions 
exists,  refer  to  Catalyst  Troubleshooting  section  of 
this owner’s manual. 
 
-This  catalytic  (or  hybrid)  heater  is  equipped  with  a 
thermometer  to  monitor  catalyst  operation.  Properly 
functioning 

combustors 

typically 

maintain 

temperatures  in  excess  of  500  °F,  and  often  reach 
temperatures  in  excess  of  1,000  °F.  If  catalyst 

temperatures are not in excess of 500 °F, refer to the 
Catalyst  Troubleshooting  section  of  this  owner’s 
manual. 
 
You can get an indication of whether the catalysts are 
working by comparing the  amount of smoke  leaving 
the  chimney  when  the  smoke  is  going  through  the 
combustor and catalysts light-off has been achieved, 
to the amount of smoke leaving the chimney when the 
smoke is  not routed  through the combustor (bypass 
mode). 
 
1. 

Light  stove  in  accordan

ce  with  operator’s 

instructions 

2. 

With  smoke  routed  through  the  catalysts,  go 
outside  and  observe  the  emissions  leaving  the 
chimney. 

3. 

Engage  the  bypass  mechanism  and  again 
observe  the  emissions  leaving  the  chimney. 
Significantly more smoke will be seen when the 
exhaust  is  not  routed  through  the  combustor 
(bypass mode)  

I

NSPECTING THE CATALYSTS AND 

REMOVING

/

REPLACING THE 

BAFFLE

 

1. 

Allow the stove and ashes to fully cool.  

2. 

Remove the metal baffle protector by sliding it 
to the left or right, and then rotating it towards 
you. 

3. 

Lift up on the right-side baffle, and gently pull 
the left side baffle down and out of the stove 

 

CAUTION - Do not force the baffle pieces. Gently 
adjust the baffle orientation until each side can 
be removed freely from the stove.

  

 

 

Figure 19a 

– Removing / Replacing the Baffle 

Summary of Contents for Craftsbury 8392

Page 1: ...th Conforms to UL Std 1482 2011 R2015 Certified to ULC Std S6270 00 R2016 CONTACT LOCAL AUTHORITIES WITH JURISDICTION BUILDING DEPARTMENT or FIRE OFFICIALS ABOUT PERMITS REQUIRED RESTRICTIONS AND INSTALLATION INSPECTION IN YOUR AREA WARNING This product can expose you to chemicals including glass wool fiber and carbon monoxide which are known to the State of California to cause cancer birth defect...

Page 2: ...cognizing potential impacts to efficiency Proper draft is important to the efficient operation of your heater Refer to the Normal Operation section of this manual for information regarding adequate draft Both excessive and sub minimum draft can affect the efficiency of your wood heater Excessive draft can lead to over consumption of fuel lower overall heating capacity of the stove and potential ov...

Page 3: ...REQUIREMENTS 14 INSTALLING IN A MOBILE HOME 19 OPERATION 21 CONTROLS AND FEATURES 21 CHOOSING FIREWOOD 22 BUILDING A FIRE 23 NORMAL OPERATION 25 MAINTENANCE 28 CATALYTIC COMBUSTOR INSPECTION AND REPLACEMENT PROCEDURES 28 INSPECTING THE CATALYSTS AND REMOVING REPLACING THE BAFFLE 28 REMOVING OR REPLACING THE CATALYSTS 29 REPLACING THE REFRACTORY STONE AND SECONDARY RISER ASSEMBLY 31 GLASS REPLACEME...

Page 4: ...esult in fire property damage bodily injury and even death Install the stove in a safe open area away from traffic flow doors and hallways If possible try to install the stove near an existing chimney and chimney connector It is extremely important to install this stove with the proper clearance from combustible surfaces You can purchase specific connector pipe and special wall coverings as specif...

Page 5: ...ve Keep all such materials away from the stove Never use a wood grate or other device to elevate the fire Never allow logs in the firebox to hit the glass when the door is closed Never slam the door or use the door to force wood in to the stove Never over fire your stove See page 26 Never put articles of clothing or candles on a hot stove Never connect the stove to a flue used by another appliance...

Page 6: ...n Inspect and if necessary clean your chimney Clean out the inside of the stove thoroughly Check and clean the catalytic combustor if necessary Inspect all door gasket material and replace if worn frayed cracked or extremely hard EMERGENCY PROCEDURES If you have a stovepipe or chimney fire follow these instructions 1 If the fire is too threatening leave the area and call the fire department immedi...

Page 7: ...32 cubic feet Maximum Log Length Up To 16 40 6cm Emissions 1 07 g hr Burn Time Up to 16 hrs Heat Life Up to 20 hours Note The amount and weight of wood contained per cubic foot of firebox volume can vary from 10 to 25 lbs per cubic foot depending on type of wood moisture content packing density and other factors Stove Dimensions Height 30 1 2 77 2cm Width 23 3 4 59 1cm Depth 19 3 8 49 2cm Weight 3...

Page 8: ...ace Inspect this location to make sure that the stove and stovepipes will have the required clearance from combustible materials that are near the stove Combustibles include walls floor ceiling and chimney chase You must carefully consider the clearances to all of these combustibles before actually connecting your stove If the floor is made of combustible material then a non combustible floor prot...

Page 9: ...ering of noncombustible material The Craftsbury does not require an insulated hearth pad The minimum floor protection must be met under the stove and extend beyond the stove as follows The minimum floor protection for US installations is 33in x 31 1 2in The minimum floor protection for installations in Canada is 43in x 40in Figure 3 Hearth Dimensions 46 cm ...

Page 10: ...25 7 8 66cm 7 18cm 17 25 44cm Double Wall Connector Inc Rear Heat Shield 14 36cm 9 3 4 25cm 14 3 4 38cm 25 7 8 66cm 7 18cm 17 25 44cm Double Wall Connector With Blower Kit Shield 14 36cm 9 3 4 25cm 14 3 4 38cm 25 7 8 66cm 7 18cm 17 25 44cm Single Wall Connector No Rear Heat Shield 14 36cm 16 41cm 21 54cm 25 7 8 66cm 14 36cm 25 1 2 65cm Alcove W Sngl or Dbl Wall Conn Inc Rear Heat Shield 14 36cm 13...

Page 11: ...er Kit Shield Inc Rear Heat Shield No Rear Heat Shield With Blower Kit Shield Inc Rear Heat Shield A 13 3 4 35cm 13 3 4 35cm 15 1 2 40cm 9 3 4 25cm 9 3 4 25cm B 18 3 4 48cm 18 3 4 48cm 21 54cm 14 36cm 14 36cm For double wall pipe clearance to ceiling refer to pipe manufacturer specifications FOR BLOWER KIT USE KIT 96 57400 See Parallel Clearance to Combustibles for clearances to the sides of the s...

Page 12: ...himble minimum 24 gauge in thickness having two 1in air channels separated from combustibles by a minimum of 6in of glass fiber insulation Opening shall be covered and thimble supported with a sheet steel support minimum 24 gauge in thickness D Solid insulated listed factory built chimney length with an inside diameter 2in larger than the chimney connector and having 1in or more of insulation serv...

Page 13: ...r installation An adaptor for 4 duct is available if needed KIT 90 53308 When using an outside air kit in Canada the stove must be attached to your home s floor Use the shipping clips that came with the stove and fasteners long enough to attach securely to the subfloor The clips and fastener heads may be painted to minimize visibility Figure 7 Outside Air Kit Detail The International Residential C...

Page 14: ... To protect against the possibility of a house fire you must properly install and constantly maintain the venting system in good condition Be sure to inspect the chimney and chimney connector and keep it clean Upon inspection immediately replace rusted cracked or broken components Failure to follow these instructions and specified components or using make shift compromises can result in fire prope...

Page 15: ...inimum draft of 0 08 WC is required Check the draft at stove installation time Remember the NFPA recommends minimum clearances for chimney connectors to combustibles such as walls and ceilings Once the stove is installed at safe distances from these combustible surfaces it is also important to maintain these connector clearances for the remainder of the installation REAR EXIT INSTALLATION The Craf...

Page 16: ... and any other required accessories Follow the manufacturer s instructions when installing the chimney and accessories In addition ensure you maintain all manufacturers recommendations for the proper clearances to the chimney Connection to a Masonry Chimney Consider two primary elements when connecting your stove to a masonry chimney the chimney itself and the thimble where the stovepipe connects ...

Page 17: ...op of stove installation is 16 feet 4 9 m off the floor or 13 feet 7 1 4 inches 4 3 m from the top of the stove For rear exit connection the recommended minimum chimney height is 19 feet 5 8m off the floor or 16 feet 7 1 4 inches 5 2m from the top of the stove The recommended maximum chimney height is 30 feet 9m The Craftsbury requires a draft between 0 06 and 0 1 water column Ensure your chimney ...

Page 18: ...Hearthstone Quality Home Heating Products Inc Craftsbury Model 8392 18 Figure 10 Typical Chimney Configurations ...

Page 19: ...n the living space THE FRONT DOOR MUST REMAIN CLOSED WHEN IN OPERATION EXCEPT FOR START UP AND LOADING Leaving the door open during use could cause any smoke or fire detectors in the home to be set off or a fire could escape the firebox and start the room on fire If this unit is installed in a mobile home care must be taken to ensure adequate air is available If not enough air is available it coul...

Page 20: ...rrester above the chimney outlet shall not be less than the diameter of the chimney flue Openings shall not permit the passage of a sphere having a diameter of inch 12 7 mm and shall allow the passage of a sphere of 3 8 9 6 mm CAUTION REMOVE THE CHIMNEY WHEN TRANSPORTING THE MOBILE HOME Be sure to follow the manufacturer s instructions to maintain an effective vapor barrier at the location where t...

Page 21: ...e handle in and down until it latches shut Gently pull on the door handle to make sure it is properly latched PRIMARY AIR CONTROL The primary air control lever is located under the ash lip The primary air control allows you to regulate the amount of air entering the firebox Generally the more air allowed into the firebox the faster the rate of burn and the higher the heat output conversely less ai...

Page 22: ...PELLETS COAL ARTIFICIAL LOGS OR ANY OTHER MATERIALS AS FUEL THEY ARE NOT SAFE DO NOT BURN GARBAGE OR FLAMMABLE FLUIDS THE USE OF UNAUTHORIZED FUEL SUCH AS COAL COULD PRODUCE HIGH LEVELS OF CARBON DIOXIDE IN THE LIVING SPACE AT HIGH LEVELS CARBON DIOXIDE COULD RESULT IN PERSONAL INJURY OR DEATH The quality of your firewood directly affects heat output duration of burn and performance of your stove ...

Page 23: ...he woodpile trap moisture and prevent the wood from drying As for stacking an old Vermonter said The spaces between the logs should be large enough for a mouse to get through but not for the cat that s chasing it CAUTION DO NOT STORE FIREWOOD WITHIN THE STOVE S SPECIFIED CLEARANCES TO COMBUSTIBLE MATERIALS BUILDING A FIRE Once you understand the controls of your wood stove and have the appropriate...

Page 24: ...th a translucent color applied over it It is essentially molten glass applied as a powder and each coat is fused to the iron in our ovens at nearly 2000 F The darkness of the color is dependent upon the thickness of the translucent color over the base color the thickness of the part and the oven temperatures Details in the iron allow for the molten glass to pool darkly in low places and be thinner...

Page 25: ...through the catalytic combustor and your stove will be burning at its optimal efficiency 7 After closing the bypass door allow the stove to run on a high setting for around 20 minutes to ensure the catalytic combustor stays in the active range This will also allow the fire to burn off any residue on the door glass from any previous low burn fires 8 Use the primary air control to regulate the desir...

Page 26: ...s than 3 8 HIGH BURN Completely open the primary air control by moving it all the way outward toward the operator Fully load the firebox with wood on a bed of hot coals or on an actively flaming fire To minimize creosote accumulation run the stove on high once or twice daily for 35 to 45 minutes to fully heat the stovepipe and chimney CAUTION Do not burn fuel other than cordwood in your stove OVER...

Page 27: ...o the metal container Do not pour water into the container Replace the container s lid and allow the ashes to cool Never place the ash disposal container on a combustible surface or vinyl flooring as the container could be hot Pending disposal place the closed ash container on a noncombustible floor or on the ground outside well away from all combustible materials liquid fuels or vehicles Retain a...

Page 28: ...a thermometer to monitor catalyst operation Properly functioning combustors typically maintain temperatures in excess of 500 F and often reach temperatures in excess of 1 000 F If catalyst temperatures are not in excess of 500 F refer to the Catalyst Troubleshooting section of this owner s manual You can get an indication of whether the catalysts are working by comparing the amount of smoke leavin...

Page 29: ...that the baffle pieces are pushed together at the center joint REMOVING OR REPLACING THE CATALYSTS Refer to the Catalytic combustor warranty on page 35 for catalyst replacement information DO NOT OPERATE UNIT WHITOUT CATALYSTS Only remove the catalysts if required In general the less you handle the catalysts the better If any unusual conditions are found remove the catalyst blocks 1 Allow the stov...

Page 30: ...d No detergents or chemicals 9 Some warping or bowing of the catalysts over time is acceptable as long as the catalyst gasket continues to seal Measure the catalysts in the middle section if the dimensions are outside the range shown in Figure 21 replace the catalysts 10 Depending on the generation of your stove re gasketing the catalyst may not be necessary If there was gasket material on the cat...

Page 31: ... OR SLAMMING SHUT ONLY A QUALIFIED SERVICE PERSON SHOULD REPLACE THE GLASS PANEL 1 Follow the instructions included with the replacement glass kit 2 Remove the door 3 Remove the screws from the glass clips use penetrating oil if necessary Set aside for reinstallation 4 Carefully lift the damaged glass off the door and discard 5 Remove any remaining glass and old gasket material 6 Clean the screw h...

Page 32: ...rtified sweep We recommend that before each heating season you have the entire system professionally inspected cleaned and repaired if necessary GASKETS Replace door gasket material every two to three seasons or whenever it becomes deteriorated or loose depending on stove use If the door seal leaks a new gasket will ensure a tight seal and improve stove performance We recommend you only use Hearth...

Page 33: ...lines are as follows An AIRTIGHT HOUSE The air supply infiltration to the interior of the house may be inadequate if your home is super insulated or especially well sealed This phenomenon of air starvation within the building is exacerbated if exhaust fans such as clothes dryers bathroom fans or cook stove exhaust fans are in operation within the home Outfitting your stove with the optional outsid...

Page 34: ...ass door is open before opening the door Extra Low Burn Rate Burn the stove at a higher burn rate Chimney Down draft Install a chimney cap Excessive Ash Build up Empty the ash pan more frequently Increase efficiency of burns and avoid using poor quality or green wood UNCONTROLL ED OR SHORT BURN Unsealed or Open Door Close the door tightly or replace the gaskets Air leakage around glass gasket repl...

Page 35: ...ds of small diameter wood with the combustor in the operating position without catalyst light off occurring Burn dry seasoned wood Follow instructions in the manual for a proper catalyst light off and ensure catalyst light off as occurred before closing bypass damper It may be possible to burn the soot or creosote off by building a hot fire and allowing the stove to run until the catalysts are wel...

Page 36: ...AT SHIELD 5360 062 UPPER DOOR HINGE 5360 050 LOWER DOOR HINGE 5640 011 SECONDARY AIR RISER ASSEMBLY 5640 012 TIE ROD 5640 014 BAFFLE GUARD 5640 018 BYPASS ROD RETAINER 5491 045 DOOR CATCH 93 71911 DOOR LATCH 5640 024 REAR SHIELD INCLUDED 7200 520 CATALYST THERMOMETER REPLACEMENT KITS AND ACCESSORIES 96 53400 OUTSIDE AIR KIT 96 58400 GASKET KIT 93 58925 GLASS KIT 93 71920 HANDLE KIT 93 73920 FRONT ...

Page 37: ...Hearthstone Quality Home Heating Products Inc Craftsbury Model 8392 37 SAFETY LABEL ...

Page 38: ...o charge to the consumer the FIRECAT STEEL COMBUSTOR that ceases to function with two 2 years from the date of purchase by the original consumer provided that the following conditions are met 1 A copy of the original bill of sale that includes place and date of purchase must be submitted with the warranty claim 2 The original FIRECAT STEEL COMBUSTOR must be returned to APPLIED CERAMICS 3 The FIREC...

Page 39: ...hed labor rates in effect at the time the labor is performed only if the appliance is installed by an authorized dealer or their designated representative Otherwise or thereafter the Original Purchaser is responsible for the cost of labor Shipping cost for parts Within the first ninety 90 days after the Purchase Date Hearthstone will pay for the shipping of appliance parts covered by any of the fo...

Page 40: ...e to installation of the appliance in an atmosphere contaminated by damaging chemicals including but not limited to chlorine fluorine or salts 7 Scratches on glass enameled surfaces or stones due to mechanical abrasion 8 Noise caused by expansion or contraction caused by the heating and cooling of the appliance 9 Odors caused by the heating of the appliance or surrounding materials 10 Consequentia...

Page 41: ...ind a Hearthstone dealer nearest to the Original Purchaser s location REMEDY The remedy for any breach of the foregoing warranties will consist of repair or replacement at Hearthstone s option of any covered defect in the appliance When the Original Purchaser contacts a Hearthstone Dealer the Dealer on behalf of Hearthstone as the case may be will instruct the Original Purchaser to either return t...

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