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IF ANY EXTERNAL PART OF THE UNIT BEGINS TO GLOW, YOU ARE OVERFIRING. IMMEDIATELY PRESS THE 

POWER BUTON

DO NOT UNPLUG THE STOVE OR TURN OFF THE REAR POWER SWITCH. THE EXHAUST 

BLOWER MUST CONTINUE TO RUN TO COOL THE UNIT DOWN. 

 

Power Outage 

-In the event of a power outage, the stove will have to be restarted. 

-

Important! 

Do not open the hopper lid or the door to the unit during power outage. If needed, open the closest outside 

door and a window to eliminate the home’s natural draft. 

-The use of a surge protector with your unit is highly recommended as power surges and failures can affect the operation 

of any electrical appliance. 

 

Smoke or fire outside of stove 

If you see smoke coming out of your unit into the room, the stove is running 

and the power has not failed

,   

DO NOT UNPLUG THE CORD. DO NOT TURN OFF THE REAR SWITCH. DO NOT OPEN THE HOPPER OR DOOR 

TO YOUR UNIT. Immediately press the on/off button to initiate the off cycle, open the nearest outside door and windows 

and wait for all signs of smoke to clear (at least one hour, although the smoke should dissipate quickly once the door and 

windows are opened). Stand by with a fire extinguisher just in case. If there is a soot or creosote fire, follow the above 

instructions for shutting down the unit and extinguish fire if possible or call the fire department and get all persons out of 

the house. 

 

Part IV - Maintenance 

 

MAINTENANCE MUST ONLY BE DONE WHEN THE STOVE IS COLD AND THE POWER IS OFF AND UNPLUGGED.   

 

WARNING! Failure to keep the unit properly cleaned causes reduced airflow and may result in excessive gases 

during the ignition phase which can suddenly explode. 

 

Ash Removal 

 

IMPORTANT:

 While the amount of ash generated by this unit is very small compared to log-burning woodstoves, 

keeping the unit clean and free of ash is essential for safety and peak performance. Too much ash build-up can hamper 

airflow and reduce 

the unit’s efficiency, also causing accelerated ash buildup and/or creosote. If the intake air damper 

has to be opened all the way to get a good, clean burn in the burn pot, this indicates ash buildup must be cleaned as 

noted below to restore proper airflow. 

 

The rear side covers must be removed to access the exhaust blower box cleaning/inspection ports on either side for 

cleaning out ash. Remove the side covers by removing the wing screws inside the pellet hopper. 

 

Specific attention must also be given to cleaning ash buildup in the combustion chamber exit ports on the top-right and 

top-left corners of the combustion chamber behind and on either side of the heat exchanger tubes. 

 

Tools typically used for cleaning are brushes and a vacuum. You will need to use a long, narrow, flexible furnace brush 

for cleaning hard-to-reach areas 

(available from Nature’s Comfort). 

 

Ash buildup in the burn pot or the areas of the unit listed above can also cause an ignition cycle to time out if the 
exhaust temperature sensor doesn’t close within 15 minutes after turning the unit “ON”. The control panel will 

sound an alarm and the exhaust blower will shut off. If pellets had begun to smolder, they will continue to create 

smoke that will fill the unit and possibly exit into the home. 

 

Summary of Contents for NC-40

Page 1: ...FULLY UNDERSTAND THE REQUIREMENTS AND RESPONSIBILITIES OF OWNING THIS PELLET STOVE Mobile Home Use This freestanding pellet unit is approved for mobile home installation with outside combustion air h...

Page 2: ...terior Vertical Vent Installation 10 Existing Flue Options 12 Determining Equivalent Pipe Lengths 13 Fresh Air Intake Installation 13 Mobile Home Requirements 14 Electrical 15 Part III Operation Autom...

Page 3: ...tural draft or without power for the blowers 9 Do not abuse the glass by striking or slamming the door Do not attempt to operate the unit with broken glass Do not attempt to clean the glass while unit...

Page 4: ...5 Rating frequency Hz 60 Rating power Watts Amps 150 4 5 Hopper Capacity pounds 55 Venting pipe diameter Inch 3 Air input pipe diameter Inch 2 Unit size wide x depth x height Inch 26 75 x 25 5 x 39 St...

Page 5: ...masonry hearth Follow the next diagram for sizing Minimum Installation Clearance to Combustibles Minimum clearances to combustible surfaces must be maintained See diagrams below and on pages 11 16 Kee...

Page 6: ...ter point on the interior wall cut the appropriate sized hole through the wall for thimble being used 4 Install wall thimble Refer to manufacturer instructions that should come with the wall thimble p...

Page 7: ...s required to keep temperatures cool enough underneath the unit 3 Install the non combustible hearth pad in a location so when the stove is placed it will leave the exhaust vent with a minimum of 3 75...

Page 8: ...ough the wall make sure that 3 75mm clearances to combustibles are maintained 5 For installing the air intake locate the center of the combustion air intake pipe at the back of your unit Line up the c...

Page 9: ...Page 9 26 Typical Exhaust Termination Configurations A 90 Deg Elbow B 12 Pipe C 45 Degree Elbow D Standoff Braces E 36 Pipe F 18 Pipe G 90 Degree Tee H Wall Thimble...

Page 10: ...figures The pellet stove may also be connected to an existing unused flue Wherever new vent pipe enters or exits an existing chimney or flue it should be secured with a connector or steel plate and se...

Page 11: ...intake kit PVC pipe is not approved and may never be used Items required for a fresh air intake kit A screen with holes no smaller than must cover the intake to prevent debris and critters from enter...

Page 12: ...nd must extend a minimum of 36 above the roofline of the mobile home and must be installed using a listed ceiling fire stop and rain cap When moving your mobile home all exterior venting must be remov...

Page 13: ...60Hz electrical outlet Do not run cord under the appliance keep accessible and clear of any hot surfaces or sharp edges If the power cord should become damaged a replacement power cord must be purchas...

Page 14: ...ype P F I PELLET STANDARDS Fines fine particles by weight no more than 0 5 maximum through a 1 8 screen Bulk Density 40 pound per cubic foot minimum Size 1 4 to 5 16 diameter 1 2 to 11 2 long maximum...

Page 15: ...and heats 5 5 Pressing On Off will start the Ignite phase The exhaust blower will turn on which causes the vacuum switch to close and the igniter also turns on Pellets will fall into the burn pot sho...

Page 16: ...will run at until the next programmed set point Fireoff Shutdown If there is ever a problem with the stove ON OFF is pressed to shutdown the stove or you cycle through the controls modes and stay on...

Page 17: ...POWER FROM THE UNIT DO NOT TURN OFF THE UNIT BY DISCONNECTING THE ELECTRICAL POWER TO THE UNIT THIS WILL CAUSE THE UNIT TO MISS THE PROPER SHUTDOWN CYCLE CAUSING THE RELEASE OF SMOKE INTO THE HOUSE AN...

Page 18: ...ilure to keep the unit properly cleaned causes reduced airflow and may result in excessive gases during the ignition phase which can suddenly explode Ash Removal IMPORTANT While the amount of ash gene...

Page 19: ...more is present Daily Cleaning Remove material that has accumulated in the burn pot using a metal scraper and a poker for material that is clogging the burn pot s holes Dispose of the scraped ashes fr...

Page 20: ...r in this manual for the order in which the parts are to be re installed after removing Gaskets Check that the gasket is complete and in the correct position to seal properly The rope gasket around th...

Page 21: ...1 01 13 1 3 Burn Pot Frame 5822 01 15 1 4 Burn Pot 5822 01 16 1 5 Burning Room Cover 5822 08 1 6 Air Out Grid 5822 01 02 00 1 7 Lower Grid 5822 01 01 04 1 8 Ash Cleaner Rod 5822 07 00 1 9 Ash Cleaner...

Page 22: ...tor Mount 5822 18 00 1 47 Hopper Adapter 5822 09 1 48 Auger Motor 5822 02 03 2 49 Lower Auger Bearing 5822 02 04 1 50 Lower Base Heat Shield 1 51 Upper Base Heat Shield 1 Viewing Door Detail Item Titl...

Page 23: ...Page 23 26...

Page 24: ...ot seated The exhaust temp sensor 125 F 52 C has failed or connection wires are loose Fill hopper Use proper pellets Properly seat burn pot Check wire connections or replace switch 5 Orange and lazy f...

Page 25: ...via email warranty naturescomfortllc com or via mail Nature s Comfort LLC 3790 N SR 5 Shipshewana IN 46565 A Nature s Comfort s pellet stove is not meant to be your sole source of heat and a backup s...

Page 26: ...nit or use of fuel other than that for which the unit is configured and approved for use with 8 This warranty is the only warranty supplied by Natures Comfort LLC All other warranties whether expresse...

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