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20

Vermont Castings EWF36A

20005167

 

Starting and Maintaining a Wood Fire

Burn solid wood fuel only in the EWF36A, and burn 
it directly on the grate. Do not elevate the fuel. Do 
not burn coal or other fuels. 

Minimize thermal stress by allowing the plates to adjust 
gradually during an initial break-in fire by following 
Steps 1-3 below.

WARNING:  Operate your EWF36A only with the 
doors fully closed. If the door is left partially open, 
gas and flame may be drawn out of the fireplace 
opening, creating risks of both fire and smoke.

1.  Open the primary air control fully. 
2.  Open the damper. 
3.  Lay some crumpled newspapers on the bottom 

grate. Place on the paper six or eight pieces of dry, 
finely-split kindling. On the kindling lay two or three 
larger sticks of split dry wood approximately 1-2” 
(25-50 mm).

Do not use chemicals or fluids to start the fire.  Do 
not burn garbage or flammable fluids such as gaso-
line, naptha, or engine oil.  

Also, never use gasoline-type lantern fuel, kerosene, 
charcoal lighter fluid, or similar liquids to start or “fresh-
en up” a fire in this heater. Keep all such liquids well 
away from the heater while it is in use.
4.  Light the newspaper and close the door. Gradually 

build up the fire by adding a few 3-5”  (80-120mm) 
diameter splits.

If this is your initial break-in fire, let the fire burn brightly, 
but not to excess. Control the fire’s intensity by adjust-
ing the air control lever. After an hour or so stop adding 
wood so that the fire dies out gradually.    
For ongoing operation after the initial break-in, continue 
to add a few sticks at a time of a progressively larger 
size. Continue until you have a live ember bed at least 
2-3” (51-76mm) deep. This may take an hour or longer.

CAUTION: THE EWF36A IS HOT WHILE IN OPERA-
TION!  KEEP CHILDREN, CLOTHING, AND FURNI-
TURE AWAY.  CONTACT MAY CAUSE SKIN BURNS.
NOTE:

  Some chimneys need to be “primed,” or 

warmed up, before they will draw sufficiently to open 
the damper. To correct this situation, roll up a couple 
pieces of newspaper, place them on top of the kindling 
and toward the back of the stove, light them, and close 
the doors. This should heat the chimney enough to initi-
ate a draft.  
Once the draft is established, open the front door and 
light the rest of the fuel from the bottom. Do not light the 
main bed of fuel until the chimney begins drawing, and 
repeat the procedure as often as necessary if the initial 
attempt is unsuccessful.

5.  Once a good ember bed of at least 2-3” (51-76 mm) 

has formed, let the fire burn hot for an additional ten 
to fifteen minutes.    

6.  Close the damper and the primary air control to a 

medium-low setting as described on Page 18. The 
fire volume will diminish immediately, but the fire-
place will continue to heat up. Maintain control of 
the fire using the primary air control, and remember:  
reduce the setting for less heat, increase the set-
ting for more heat. Refer to the air control settings 
information on Page 18 for recommended settings at 
different burn rates.

DO NOT OVERFIRE THIS HEATER.

 Overfiring may 

cause a house fire, or can result in permanent damage 
to the stove. If an exterior part of the EWF36A glows, 
you are overfiring.

Reloading and Reviving a Wood Fire

• 

Open the damper and set the air control on “High,” 
and wait at least fifteen seconds for the draft to 
increase.  Open the door slowly.

• 

Check the ash level, and empty the ash pan if nec-
essary. Replace the pan.

• 

Add the fuel, smaller pieces first.  If it is necessary 
to use wood smaller than the 24” (610mm) optimum 
size, be sure to fill the firebox as completely as pos-
sible by loading the wood pieces alternately on the 
left and right.  Split wood will fill the firebox more 
completely and reduce the frequency of reloading.

If you have an ember bed of at least 2-3” (51-76 mm), 
leave the thermostat set on “high” for 10-15 minutes. If 
the ember bed is less than 2-3” (51-76mm), you may 
have to let it burn longer.
Finally, close the damper and adjust the air control and 
fan speed for your desired heat level.

NOTE:

  If the charcoal bed is relatively thick and your 

fuel is well-seasoned, it is possible to add fresh fuel 
(smaller pieces first), close the door and damper, and 
reset the air control within five minutes.

Special Tactics for Cold-Climate Heating

The EWF36A is capable of producing in excess of 
100,000 Btu’s/hour and heating an area of up to 2,500 
sq. ft.

 

(558 sq. m) However, many factors affect heating 

performance and can influence the extent to which the 
EWF36A can heat a given area.
 A well-insulated home, located in a moderate climate 
and with the EWF36A Fireplace  located centrally in 
an open floor plan, will be easier to heat than a drafty 
home in the far north in which the EWF36A  is installed 
on an exterior wall at the end of a long house.  

Summary of Contents for EWF36A

Page 1: ...TY NOTICE IF THIS APPLIANCE IS NOT PROPERLY INSTALLED OPERATED AND MAIN TAINED A HOUSE FIRE MAY RESULT TO REDUCE THE RISK OF FIRE FOLLOW THE INSTALLATION INSTRUCTIONS FAILURE TO FOLLOW INSTRUCTIONS MAY RESULT IN PROPERTY DAMAGE BODILY INJURY OR EVEN DEATH CONTACT LOCAL BUILDING OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION INSPECTION REQUIREMENTS IN YOUR AREA ...

Page 2: ...ormance and specifications please refer to Page 3 The EWF36A is designed tested and listed for burning wood Do not burn other fuels We recommend that you hire a professional installer certified by Wood Energy Technical Training WETT to install your EWF36A or to advise you on the installation should you attempt to install it yourself Please read the appropriate sections of this manual before you inst...

Page 3: ...allation instructions Installation other than as instructed by CFM Corporation or Installation and or use of any component part not manufactured or approved by CFM Corpo ration in combination or assembly with a CFM Corporation fireplace system notwithstand ing any independent testing laboratory or other third party approval of such component parts or accessory Any such action may possibly cause a fi...

Page 4: ...nditions and on average efficiencies These values are based on operation in building code conforming homes under typical winter climate conditions If your home is of nonstandard construction e g unusually well insulated not insulated built under ground etc or if you live in a more severe or more temperate climate these figures may not apply Since so many variables affect performance consult your Ver...

Page 5: ...00 djt Chase Installation Insulation methods shown are optional for cold climate not a requirement for unit operation Termination Cap Storm Collar Pan Flashing Draftstop Batt Insulation cut out around fire stop Firestop Ceiling Level Standoff Metal Safety Strips 1 2 or 3 pieces Batt Insula tion MUST be used in the Chase Outside Air Cover Plate Andiron Brick Ledge ...

Page 6: ... of angled run of chimney Chimney supports are required for every 30 feet and 60 feet of vertical chimney height above the hearth Determine the offset distance of your chimney arrangement from the centerline of the fireplace to the centerline of the chimney where it is to pass through the first ceiling NOTE This offset distance may not be your full offset distance See Examples 2 and 3 Fig 3 Chimney ...

Page 7: ...of is more than 10 3m a chimney height reference point is established that is on the surface of the roof a distance of 10 3m from the chimney in a horizontal plane The top of the chimney must be at least 2 610mm above the reference point but never less than 3 914mm in height above the high est point where it passes through the roof 2 Min 2 Min 3 Min 0 To 10 3 Min 0 To 10 AC246 4 1 96 Reference Poi...

Page 8: ... assistance Insulating Fireplace Enclosure for Cold Climates If you live in a cold climate it is not required but highly recommended that you insulate fireplace enclosure to eliminate cold air penetration as much as possible Insulate base of fireplace with a noncombustible insulation rated for a minimum of 300 F Insulating is very important for outside wall installations over a concrete slab If firep...

Page 9: ...arts damaged in shipment specifically check the end connection of chimney sections and elbows NOTE The EWF36A fireplace must use CFM Corpora tion model triple wall 8 chimney components only The installation procedure described in this manual applies only to this system Straight Up Chimney Installation To mark the centerline of the flue put the fireplace in final position and measure out from the wall 9...

Page 10: ...ty Strips Securing the Fireplace Slide fireplace into position Safety strips are used to ensure that any combustible materials in front of the fireplace are protected even though a noncombustible hearth extension is required When the finished extended hearth is added the top of the finished hearth must be flush with the bottom of the fireplace Z shaped metal safety strips have been supplied with the fire...

Page 11: ... flammable liquids or fumes or into an attic space Installation Instructions Determine the location of the fireplace as described in the fireplace Installation Manual Then plan location of the duct termination and the route of the duct run between the fireplace and the duct termination Duct run must be limited to a maximum distance of 40 feet from the fireplace pipe collar to duct termination This will...

Page 12: ... pipe for ceiling thickness up to 8 203mm When combined thickness of ceiling material ceiling joists and flooring material exceeds 8 203mm adjustments must be made in framing to assure that minimum air spaces to chimney are maintained Proper Firestop Spacer Installation Figure 17 shows different installation procedures for both an area that is an attic and an area that is not an attic 4 Attach the ...

Page 13: ...aming as shown on Figure 16 Bend straps as necessary and make sure they are secure so they will support the weight of the chimney A chimney support is 2 64mm long when installed Consider this dimension when determining how many straight chimney sections are needed NOTE Chimney supports are generally used in long runs in a chase installation Additional Ceilings If you encounter additional ceilings ...

Page 14: ...y vary with type of building These instructions are not a substitute for local building codes You must check your local building codes to determine specific requirements for your city or state NOTE Other building materials may be required in addition to CFM Corporation Firestop Spacers Finishing CAUTION All joints between the finished wall and the fireplace surround steel front must be sealed with no...

Page 15: ... Figure 19 is an alternate method of adding protection to side walls and can be used in place of the SP40 with the same wall clearances specified for the SP40 Rt must 1 85 minimum Examples of wall shield insulation 1 Manville CERAFORM 126 K 27 1 2 inches thick 2 EH2416 K 458 1 inch thick required Hearth Installation A hearth extension is required to protect a combustible floor in front of the firepla...

Page 16: ...e material with a lower R value may be used provided thickness of material is sufficiently greater to maintain an equivalent total thermal resis tance Rt Example of Determining Hearth Extension Equivalents To determine the thickness required for any new mate rial Example for Common Brick T new 5 0 0 458 x 0 50 in 5 46 in new required thickness FP550 BR BC SEALING DETAILS 9 29 97 Wall Covering 2 x 4...

Page 17: ...nce to combustible perpendicular wall B Min clearance to combustible perpendicular wall when using noncombustible wall shield Side Wall Side Wall F C E E D 4 Brick Example material Combustible material permitted within shaded area Noncombustible wall shield requires 1 EH2416 insulation minimum R Value 1 85 between decorative noncombustible rigid covering and combustible wall Minimum height and wid...

Page 18: ...ting maintaining and reviving the fire Generally more air entering the fireplace makes the fire burn hotter and faster while less air prolongs the burn The air supply is open to the maximum when the control lever is rotated clockwise and closed when rotated counterclockwise To vary the burn rate adjust the con trol to the desired position in between these extremes opening the primary air control make...

Page 19: ...ontrol Settings that Work Best for You No single air control setting will fit every situation Each installation will differ depending on the quality of the fuel the amount of heat desired and how long you wish the fire to burn The control setting also depends on your particular installation s draft or the force that moves air from the stove up through the chimney Draft is affected by such things as ...

Page 20: ... light the main bed of fuel until the chimney begins drawing and repeat the procedure as often as necessary if the initial attempt is unsuccessful 5 Once a good ember bed of at least 2 3 51 76 mm has formed let the fire burn hot for an additional ten to fifteen minutes 6 Close the damper and the primary air control to a medium low setting as described on Page 18 The fire volume will diminish immediat...

Page 21: ...t too far before the cover engages the slot Ash may contain hot coals and must be treated with extreme care Hold the covered ash pan with both hands to avoid dropping or spilling the ashes Take the pans outdoors and empty the ash into an ash container Before replacing the ash pan clear away any ash that has spilled over the sides and back of the pan Replace the ash pans and front door Empty the as...

Page 22: ...llen wrench 3 Retighten the lock nut while at the same time hold ing the striker screw with the Allen wrench to prevent its turning Test the door seal Close the door on a dollar bill and attempt to pull it free If the bill is freed with little resis Maintenance ST531 Door Pawl 11 00 Pawl Small Lock ing Nut Large Locking Nut Set Screw Striker Screw Handle Stub ST531 Fig 30 Turn the striker screw to...

Page 23: ...lace and out of the retaining brackets 4 Check the combustor s honeycomb like element for a buildup of fly ash If any is evident take the combustor outside and clean it by blowing air gently through it Do not push anything through the honey comb do not use compressed air to clear the pas FP1324 Catalyst 2 27 03 djt Wedge In Place Wedge Catalyst Catalyst As sembly FP1324 Fig 31 Carefully tap out the...

Page 24: ...the glass is firmly seated against the gasket Replace door The Chimney System A Clean Chimney System is Safer and Works Better Although the combustion system in the EWF36A can re duce creosote formation dramatically it is not a substi tute for regular inspection and cleaning of the chimney and chimney connector Learn to Recognize and Avoid Creosote The EWF36A has been designed to reduce creosote bu...

Page 25: ...cleaning the chimney reinstall the chimney cap according to the manufacturer s directions Maintenance Schedule Fireplace Daily Ash should be removed before the level reaches the top of the pan Check each time you re load or at least once a day Keep the area around the fireplace clear of any com bustible material Yearly Spring Cleaning Remove ash from the fire box and replace with a moisture absorbin...

Page 26: ...nsion Extends Traditional Top Housing on 202036 steep pitched roofs single flue Contemporary Chase Top Used to terminate chimney at the top of a SLTS8 Termination chase Flashing is not included Contemporary Flashing 8 6 12 with 8 flue Required for Contemporary Round Top 0 to 6 12 pitch termination to prevent rain entry 8 12 12 with 8 flue 6 12 to 12 12 pitch Chimney Sections 8 flue 81 1 long Used to b...

Page 27: ...mper rod Clamp 20005985 5 Round Head Square Neck Bolt 20005986 6 375 Washer 20005980 7 Damper Clamp 20005990 9 Damper Link Assy 20006057 10 Right Hinge Painted 20006302 11 Left Hinge Painted 20006303 Ref Description EWF36A 12 Left Door Assy 20005212 13 Pin Hinge 1201836 14 Left Door Handle Assy Vert Nickel 5004265 15 Gasket 5 16 Adhesive Backed 1203591 16 Glass Clip 30001716 17 Pan Hd PH 1 4 20 x ...

Page 28: ...FP Front 20005160 52 Lattice EPA FP Front 20005162 53 Door Rt EPA FP Front 20004742 54 Door Lt EPA FP Front 20004741 EWF36A Fireplace continued Ref Description EWF36A Ref Description EWF36A 55 Air Wash Rt Painted 20006296 56 Air Wash Lt Painted 20006297 57 Basic Upper Rt not shown 20006024 58 Basic Upper Lt not shown 20006025 59 Basic Lower Rt not shown 20006026 60 Basic Lower Lt not shown 2000602...

Page 29: ...t ZA1200 was cor rectly connected when the unit was installed the fan lead can be directly plugged into the EB 1 plug socket The fireplace when installed must be electrically connected and grounded in ac cordance with local codes with the current CSA C22 1 Canadian Electrical Code or for US installations follow local codes and the National Electrical Code ANSI NFPA No 70 Any electrical rewiring of ...

Page 30: ...30 Vermont Castings EWF36A 20005167 ...

Page 31: ... 3 Date of failure of catalyst 4 Any relevant information or circumstances regarding determination of failure 5 In addition the owner must return the failed catalyst Exclusions Limitations 1 This warranty is transferable however proof of original retail purchase is required 2 This warranty does not cover misuse of the stove Misuse includes overfiring which will result if the stove is used in such a...

Page 32: ...2695 Meadowvale Blvd Mississauga Ontario Canada L5N 8A3 800 668 5323 www cfmcorp com CFM Corporation ...

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