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Figure 18. Air Flow Diagram.

Figure 19.  Air Control Setting

OPEN

CLOSED

DO NOT OVER-FIRE THIS APPLIANCE.  IF ANY PART 

OF THE INSERT OR CHIMNEY GLOWS RED, YOU ARE 

OVER-FIRING.  A HOUSE FIRE OR SERIOUS DAMAGE 

TO THE STOVE OR CHIMNEY COULD RESULT.  IF THIS 

CONDITION OCCURS, IMMEDIATELY CLOSE THE AIR 

CONTROL.

effectiveness of the air wash over the glass; the higher the 

setting, the cleaner the glass will remain. Additional air 

is separately directed into the top of the fire chamber to 

support combustion of exhaust gasses before passing 

out of the stove. This unregulated 

Secondary Air 

enters 

through the inlet in the rear of the firebox and is heated 

as it passes over the back into a two-tiered manifold 

at the top of the firechamber. Volatile gases, released 

unburned from the fuel bed, rise to the baffle where they 

are turbulently mixed with the hot, fresh oxygen. Secon-

dary combustion then occurs before the gases pass into the 

heat exchange chamber. 

ALWAYS WEAR STOVE GLOVES WHILE TENDING THE 

FIRE.
NEVER ALLOW THE FIRE TO REST DIRECTLY ON THE 

GLASS.  KEEP THE LOGS SPACED AT LEAST ONE INCH 

FROM THE GLASS TO ALLOW FOR PROPER AIR FLOW 

WITHIN THE STOVE. AVOID STRIKING THE GLASS.
OPERATE THE INSERT ONLY WITH THE DOOR FULLY 

CLOSED. OPERATION WITH THE DOOR PARTIALLY 

OPEN MAY RESULT IN OVER-FIRING.  IF THE DOOR 

IS LEFT PARTIALLY OPEN, GAS AND FLAME MAY 

BE DRAWN OUT OF THE STOVE CREATING SAFETY 

RISKS FROM BOTH FIRE AND SMOKE

Air Control Settings

A single lever regulates the Primary Air flow that 

controls the intensity of the fire and consequent heat 

output and burn time. This lever is located within the 

slot on the upper right front of the fireplace insert. See 

fig. 19

When first starting or reviving the fire, the control 

lever should be set at the far right position to allow 

the maximum amount of air into the stove.  See fig.15. 

After the fire is well-established, the lever should be set 

at position to moderate incoming air to maintain the 

desired long term heat output and/or burn time. 

In general, the more air made available to the fuel 

will result in the hottest fire intensity and the fastest 

fuel consumption. Alternatively, the less air made 

available to the firebox will result in low heat output 

Break-in Period

The cast iron parts of your fireplace insert require a 

break-in process to allow them to gradually adjust to 

thermal expansion and contraction. This is accomplished 

by building a series of three or four fires, each somewhat 

hotter than the last. Allow the fireplace insert to cool 

completely before building the next fire.  

Limit the first fire to just kindling and a couple of 1 -2 

inch logs and add progressively more and larger logs to 

subsequent fires, keeping the Air Control set to the fully 

open position.

It is normal for a new fireplace insert to emit 

odor and possibly smoke during the first few fires. 

This is characteristic of the burn-off of residues from 

the manufacturing process and the curing of painted 

surfaces. Open a window near the fireplace insert to 

provide plenty of fresh air to the room during this 

“seasoning”  period. 

Summary of Contents for C 450 Kennebec

Page 1: ...only Do not burn any other fuels Read this entire manual before you install and use this appliance Save these instructions for future reference and make them available to anyone using or servicing th...

Page 2: ...are and Replacement 17 General Maintenance 18 Gasket Replacement 18 Appendix A Alternate Hearth Protection 19 Appendix B Alternate Mantel Clearances 20 Illustrated Parts Breakdown Exploded View 21 Par...

Page 3: ...uilding inspector or authority having jurisdiction to determine what regulations apply in your area THE JOTUL C 450 KENNEBEC FIREPLACE INSERT IS NOT APPROVED FOR USE IN MOBILE HOMES This heater meets...

Page 4: ...replace Safety Notices BURN SOLID WOOD FUEL ONLY DO NOT BURN ANY OTHER FUELS DO NOT USE CHEMICALS OR FLUIDS TO START THE FIRE DO NOT BURN Garbage OR FLAMMABLE FLUIDS IF THIS ROOM HEATER IS NOT PROPERL...

Page 5: ...same for both Kennebec Lattice and Clean Face versions Figure 2 Minimum Sleeve Adjustment Figure 1 Maximum Sleeve Adjustment Firebox Sleeve Firebox Sleeve Firebox Firebox to Door Opening 2 7 Surround...

Page 6: ...chimney top Some liner manufacturers require insulation in order to achieve a UL 1777 or ULC S635 listing Check with the manufacturer of the liner being used to determine if insulation is required In...

Page 7: ...40 Wide A Front The protection must extend at least 18 inches 457 mm forward from the door opening B Sides Protection must extend 20 inches 508 mm to both sides of the centerline of the insert Note t...

Page 8: ...its There may be no combustible materials located anywhere within 36 914 mm of the front of the door This precaution includes items such as drapes or doors that could swing into the area within 36 of...

Page 9: ...installations where the flue tile is greater than 8 x 12 for internal chimneys or 9 x 8 for external chimneys In Canada The insert must be installed with a continuous chimney liner of 6 152 mm diamete...

Page 10: ...locations in the firebox flue collar Secure the flue connector pipe using three 10 x 1 2 sheet metal screws 4 Adjust the position of the Firebox to ensure that the Surround Panel Hangers are flush wi...

Page 11: ...l If you will be installing the a Mantel Heat Shield use the instructions included with that kit 5 Attach the Assembly to the Firebox Lift the entire assembly upright and position it in front of the i...

Page 12: ...shroud legs 6 Insert the Control Switch and Power Receptacle Use a flat head screwdriver and pliers to pry the knockouts from the appropriate ash lip support Work from the inside to avoid marring the...

Page 13: ...oft brush attachment to clean the blower housing and compartment as well as the area under the insert firebox 8 Attach the Air Deflector Using the two remaining 8 sheet metal screws attach the Air Def...

Page 14: ...too quickly to take advantage of the stove s low end efficiency strength A seasoned log will have check marks on the ends and be lighter than an unseasoned log which will show little or no check mark...

Page 15: ...Air Control Settings A single lever regulates the Primary Air flow that controls the intensity of the fire and consequent heat output and burn time This lever is located within the slot on the upper...

Page 16: ...o creosote accumulation than an interior flue A chimney flue located within the home interior will benefit from the insulating characteristics of the building itself Consequently the flue system will...

Page 17: ...ontainer of ashes should be placed on a noncombustible floor or on the ground well away from all combustible materials pending final disposal If the ashes are disposed of by burial in soil or otherwis...

Page 18: ...lifting it up and tilting it back down and out The chimney can be swept directly into a bucket placed under the flue outlet Gaskets Check door and glass gaskets for seal integrity The gaskets should b...

Page 19: ...rmine overall R value 3 If the overall R value of the system is greater than the R value of the specified floor protector the alternate is acceptable Example The specified floor protector should be 3...

Page 20: ...gure 22 Clearance Diagram No Heat Shielding Figure 23 Mantel Clearances measured from the hearth surface to the lowest mantel surface Mantel Clearance with Optional Heat Shield 155346 Clearance may be...

Page 21: ...14 15 17 21 22 48 47 34 36 41 40 11 42 43 3 49 Kennebec Classic Style Surround Assembly 4 58 62 59 48 45 6 5 52 31 32 45 44 30 63 46 35 18 64 65 61 39 19 2 20 23 24 25 26 16 66 67 27 28 29 40 Figure 2...

Page 22: ...ft Matte Black 10425992 Kenn Surround Leg Left Blue Black 10425927 4 Kenn Surround Leg Right Matte Black 10426092 Kenn Surround Leg Right Blue Black 10426027 5 Kenn Breastplate Left Matte Black 104257...

Page 23: ...er firing can also be identified by warped plates rust colored cast iron paint pigment that has turned dusty white or bubbling cracking and discoloration of the enamel finish Misuse includes without l...

Page 24: ...nce must be installed in conformance with local and national building regulations It is important that these instructions be carefully read and understood before beginning the installation J tul pursu...

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