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ARCTIC

1. KUMA STOVES RATHDRUM ID USA MODEL ARCTIC AR 7 AR 8 AR 10 Fuel oil stove Test Report 123 S 07 2 Tested and listed by Omni Test Laboratories User Manual for Installation Operation Servicing This manual contains information necessary for the safe installation and operation of your Kuma Arctic either in residential or mobile homes While most anyone can install their oil stove it is recommended that the installation be done by a qualified installer familiar with fuel oil stoves preferably an NFI National Fireplace Institute Certified expert We recommend contacting local building or fire officials in your area regarding restrictions and installation in spection requirements Please read this entire manual before attempting installation or opera tion of this appliance Improper installation or operation of this oil stove can result in bodily or property damage SAVE THESE INSTRUCTIONS Rev 2 12 CONTENTS Section 1 Stove placement air requirements Convection shell installation Instructions and clearances pg 1 2 2 The flue and flue connections ceeee eee ees pg 3 3 Fuel tank installation and fuel line connections pg 4 4 Lighting adjustments to carburetor and draft stabilizer adjustments occ se ssdscns doa ed debe sentaks eoteacs pg 5 7 SDE IVICING corte ame pine ck es EE E O a E mee eae pg 7 6 Trouble shooting guide 00 cece cece ce
2. Your stove has a carburetor that has both low fire setting 1 and high fire setting 6 adjustment screws on the top They are small slotted screws that are of red color and will need to be adjusted for correct flame size Both low and high fire settings have been pre set at the factory but depending on your choice of fuel 1 or 2 grade these will usually need to be adjusted for the viscosity of fuel you are using Please note that after initial warm up it is important to adjust the high flame first then the low flame as any adjustments made to the high can affect the low but not vice versa Below is a description of what the flame should look like at both low and high fire Low fire The flame should be totally blue with blue flame spears or jets dancing be tween the inner wall of the burn pot and the catalyst The catalyst will be dull red to bright red There will be blue flame appearing around the fire ring at the burner top You can decrease the setting to where there is only the blue spears in the burn pot and little activity of blue flame at the burner top However if there is any yellow flame in the burn pot on low setting then the low fire adjustment screw needs to be increased to a total blue flame condition Please remem ber that although the fuel consumption figures can be attained there always needs to be enough BTU loss fuel consumed that is energy loss up the pipe in order to maintain an efficient draft Thus a sm
3. 4 diameter Class L pellet vent chimney Dura Vent D V L double wall connector is required or 4 diameter Class L vent may be used as a connector As a general rule smaller diameter flues are better for draft and efficiency For clarification see the chimney connector table at the end of Section 2 Single wall stove pipe connector may be used on residential installations not for manufactured mobile homes The manufactured home installation also requires an outside combustion air source For outside combustion air a 4 diameter or larger duct should be installed horizontally through the wall connecting to the 4 opening at the stove back flex ducting may be used Make sure there is a rodent screen with a maximum 1 4 x 1 4 opening placed in the duct to prevent rodents from accessing the stove Continued A storm or dryer type vent with a screen is adequate For your convenience an outside air kit part KA OA 1 is available through your dealer Please note that at certain draft conditions i e high winds a significant amount of air may be needed to achieve a proper burn Consideration of open windows or an air source near the stove will probably be necessary depending on the air tightness of your home Minimum Clearances to Combustibles Through Serial 405 WITHOUT 3 x 99 Through Serial 405 WITH Fe A o ALL MODELS with Serial 406 14 15 6 12 Or higher Note Corner clearance
4. applies only when the stove is installed in a room corner with the stove placed perpendicular to the corner 45 degrees MAKE SURE THAT ALL MINIMUM CLEARANCES ARE MET OR EXCEEDED Clearances to flue pipe are for single wall connectors A double wall connector is required for mobile home installations Please note Clearances differ on single and double wall flue pipes Cross reference to be sure all clearances are met SECTION 2 The flue and flue connections Do not connect this unit to a flue servicing another appliance It is of utmost importance that the flue be dedicated to the Arctic as the flue is without a doubt the most important component of the system Good com bustion is dependent upon the correct amount of air being supplied to the burner at all times which is dependent upon a correct negative flue pressure Draft is caused by the gases inside the flue being hotter and lighter than the air outside thus the rising heated gases carry out the products of combustion Since the flue sucks gases up the flue it is this suction that draws air into the pedestal area to feed the burn pot with the air needed for an efficient blue flame burn This will depend on the flue s ability to provide a consistent negative pressure There is no substitute for a warm efficient chimney pipe system If the flue gases cool too quickly draft will slow and combustion will not be as efficient Do not skimp on the flue system A good rule of thum
5. high allowing too much flame impingement on stove top Flue plugged or dirty Dirty burner or plugged fuel inlet operate de coker clean burner bottom House pressure problem inadequate supply of air to stove or fans operating in the house increasing negative house pressure Blocked or inhibited air supply to stove check outside air supply to stove or room Faulty gasket door rope glass seal or burner gasket Oil leaking from any connection Poorly adjusted burner low flue pressure due to chimney size or geographic conditions affecting draft Consider smaller flue size to increase negative draft pressure 10 SECTION 7 Limited Lifetime Warranty Your Kuma Arctic is warranted against defects in materials or workmanship according to the following Stove body all welded steel components Lifetime to the original purchaser Burning system stainless steel burn pot catalyst carburetor fuel line supplied with stove 2 years Warranty does not cover gold plated door surface normal maintenance items such as paint glass and gasket This warranty does not apply in cases of abuse mishandling unauthor ized repair alterations failures or operating difficulties due to misuse accident misapplica tion improper installation improper maintenance or service Kuma Stoves reserves the right under this warranty to repair replace or authorize repair of the defective stove or part at its dis cretion Any warranty conc
6. N CAUSE SOOT AND A BUILD UP GASES INSIDE THAT CAN BE EXPLOSIVE Should the fire go out for any reason NEVER ATTEMPT TO LIGHT A HOT STOVE Try to determine why the stove went out and then allow the stove time to cool for 30 minutes before re starting following the lighting instructions in this manual If you have any questions about the operation of your Arctic please check the trouble shooting section of this manual or call your deal SECTION 5 Servicing All service should be performed with the stove off and cool ANNUALLY Remove catalyst and fire ring and inspect and clean out burn pot of any build up or debris Check flue and clean out soot build up Clean out stove interior and drip pan Lightly brush off catalyst and inspect for deterioration replace if necessary Check all gaskets rope seal around door and window seal check for loose glass no need to remove Check oil tank for damage or leaks and clean or replace main tank filter Check all lines and connections for leaks or deterioration MONTHLY Remove catalyst and clean out any carbon deposits from burner bottom and oil inlet inside burner may need to clean deposits more frequently if using 2 fuel WEEKLY The de coking rod must be operated at least once per week to eliminate carbon deposits that build up where oil enters the burner bottom Only perform this operation when the stove is off and has sufficiently cooled down 1 Remove the front burner ac
7. aller well insulated chimney is highly recommended High fire The flame should be bright yellow and 1 2 2 3 of the fire box height The base of the flame at the burner ring should still be blue and the catalyst will be a dull red If the flame is too high and allowed to impinge on the stoves baffle the result will be a cooling of the flame tip and incomplete combustion thereby producing smoke and soot Adjust the high fire adjustment screw to achieve proper flame size EACH ADJUSTMENT OF NO MORE THAN ONE QUARTER TURN SHOULD BE ALLOWED TO STABILIZE FOR FIVE MINUTES BEFORE MAKING ANY FURTHER ADJUSTMENTS ON EITHER HIGH OR LOW FIRE MAKE SURE THE FLUE AND STOVE IS WARMED UP BEFORE MAKING ANY CARBURETOR ADJUSTMENTS 7 The carburetor on your Arctic has a main float valve to regulate the oil level in the stove as well as shut the oil flow off should the level become too high in the carburetor Should this occur you can reset the safety lever by pulling it back up You may need to hold the lever in the up position with the stove burning until the level of oil in the carburetor returns to normal Your Arctic has been rigorously tested to both U L 896 and U L 307A for both residential and mobile homes and should the fire snuff out for any reason the carburetor will not allow more than 3 4 of oil in the bottom of the burner IT IS IMPERATIVE THAT THE STOVE IS BURNING PROPERLY AS EX PLAINED ABOVE A POOR DRAFT OR POORLY ADJUSTED STOVE CA
8. b on chim ney height is a minimum of 12 from the stove to termination Location of chimney and other factors may re quire more or less chimney height In areas of high winds or draft inversions a suitable wind directional or vac uum cap may be needed An insulated chimney is a must in order to maintain the heat inside the chimney for proper flow of gases For model K O AR 10 use a class A 4 or 6 diameter all fuel insulated chimney that has been tested to U L 103HT when passing through combustibles For models K O AR 7 and K O AR 8 a 4 diameter Class A in sulated chimney or an approved 4 diameter Class L pellet vent chimney is approved As a general rule smaller diameter flues are better for draft and efficiency The stove pipe connector may be single wall black pipe with tight fitting joints mobile home connectors must be double wall see Section 1 and must be securely fastened at all joints with 3 sheet metal screws Fasten connector pipe to the flue collar on the stove and the ceil ing box wall thimble with screws as well The Arctic may also be connected to a masonry chimney but it will need to be lined with a stainless steel liner and insulated as well Use and install all piping according to the man ufacturers listed clearances Certain atmospheric conditions such as high winds will cause a change increase in the negative pres sure inside the flue and thus inside the stove To compensate for this you
9. cess cover with the tool provided 2 Use the tool to loosen the brass packing nut around the decoker 3 Slowly pull the decoker rod out while turning 360 degrees in a clockwise direction Continue until the rod no longer pulls out 4 Push the decoker rod back in while turning 360 degrees clockwise 5 Replace access the access cover and latch with the tool provided Note If flame is burning lower than expected you probably have carbon build up in the line or burner bottom near fuel inlet SECTION 6 Trouble shooting guide CONDITION Oil present in burner with the carburetor in off position No oil in burner bottom after carburetor is turned on Flame smoky when lit Flame smoky when burning low Flame smoky when burning high Flame goes out on low Flame goes out in high winds Burner goes out and will not re light Flame is noisy buzzing or roaring or separating from the burner on high fire 10 11 12 Flame size seems lower than normal while on high Dirty or sooty glass Oil smell in room POTENTIAL PROBLEM 1 2 Carburetor had been left on previously without the burner being lit One of the valves in the oil supply line shut off No oil in the tank Carburetor control plate stuck tap on carburetor lightly Air lock in supply line Plugged filter either primary filter or carburetor filter Condensed water in supply line that has frozen in cold weather Sto
10. ch cleaner than 2 fuel and requires less maintenance 2 fuel or diesel grades of fuel are fine to burn however there are combustibles present in 2 fuel that become solids when they are burned thereby requiring more frequent cleaning of the decoker and burner TANK The fuel tank should be clean second hand tanks not recommended so a new tank is advised Steel tanks require more maintenance such as painting to prevent rust A tank with a larger capacity will require less fillings as well as an opportunity to obtain better pricing for fuel oil in greater quantities Avoid placing the tank in direct sunlight Warm tanks will condense moisture which will fall to the bottom of your tank where it will need to be drained to prevent valve damage and or freezing and stopping oil flow Also due consideration should be given to accessibility to the tank for delivery trucks The ideal tank should have two bottom end outlets one for fuel supply to the stove and one to drain off any water and dirt To be able to do this the tank must be installed with a fall of at least 1 4 per foot of tank length The fuel supply will come from the high end of the tank and the lower end will be used for draining condensation and impurities If the tank has only one outlet be sure to tip the tank away from the outlet slightly as described above Brick or cement foundation for the tank is advised To provide correct pressure of the fuel supply to your stove th
11. e tank outlet should be between 16 and 72 above the carburetor on the stove Do not exceed 72 above the carbure tor as excessive head pressure could limit the carburetor s ability to shut off fuel flow Be sure the support system under the tank is safe and adequate as a full 300 gallon tank will weigh about 2000 Ib If you must install a tank below the stove or above the recommended height a lift pump and or a level control valve must be fitted You will need to check local building codes regard ing such installations CONNECTIONS There should be 2 valves on a typical installation 1 a shut off valve at the tank to allow service to any piping or changing the main filter and 2 a shut off valve close to the stove to be able to isolate the stove for any maintenance and if required by code a fire valve right before the fuel pipe enters the building which would automatically shut off the oil supply in the unlike ly event of the stove overheating Piping to the stove from the tank may be either steel or cop per but copper is preferred to prevent any rusting problems When making the fuel line con nection with the copper line from the tank to the stove it is best to have a gradual slope or fall on the line i e no dips or kinks so as to prevent any air bubbles or collection of dirt or other impurities A 3 8 diameter copper supply line is recommended and either compression type or flare type fitting may be used Finally a
12. erns should be directed to the authorized dealer A WORD ABOUT CERAMIC GLASS Your Kuma oil burning stove has a glass front installed that is constructed of transpar ent high temperature ceramic glass When any type of fuel is burned certain chemicals are re leased in the combustion process This release combined with expelled moisture can cause a stress factor on the glass surface Fuel oil has sulfur in it and the sulfur can contribute to this stressing phenomenon which results in micro crazing Micro crazing appears as very fine stress fractures that look like fine spider webs It generally does not indicate a structural problem with the glass it is only cosmetic As this is a by product of combustion and not a defect in the glass itself the glass on your stove is an item that is not covered under the warranty of this stove There seems to be almost no issues of micro crazing when burning 1 fuel oil or kero sene However 2 grade fuels or diesel inherently have a higher sulfur content making it more susceptible to micro crazing There are other advantages to using 1 fuel such as cleaner burn ing and less carbon build up Contact your dealer if you have any questions or need a glass re placement
13. good quality filter that also traps water should be placed at the tank to ensure a good clean supply of oil to your stove The carburetor on the stove is equipped with a screen type filter but it is not intended for use as the primary filter SECTION 4 Lighting and carburetor adjustments PRE LIGHTING CHECKS The installation should be inspected to ensure that the work is complete and the workman ship is satisfactory No stove should be lit if any part of the installation does not comply with the relevant standards and regulations The oil tank should be examined to confirm there is a supply of the correct grade of oil that a filter and a working isolation valve are fitted Having verified that the oil pipe work up to the stove is complete and that the fire valve if used is closed the tank isolation valve should be opened and the pipe work inspected for leaks The pipe into the inlet of the metering valve should be uncoupled the shut off valve opened and a minimum of one quart of oil collected into a suita ble receptacle If dirt or water is present in this sample additional oil should be allowed through the pipe work until it is free from contaminates The fuel pipe work should be reassembled and all connections checked for leaks and tightened as necessary CHECK ALL OF THE STOVES FUEL LINE FITTINGS FOR FUEL LEAKAGE BEFORE OPERATING STOVE For 7 Burner Models Laying on top of the catalyst inside your AR 7 burner model stove is a stain
14. less steel top burn ring It is important that the ring be in the proper position It comes in the proper position from the factory Should the height of this ring change it is easy to re adjust by bending the three tabs that rest on the catalyst top up or down It is very im portant that the cupped part of the ring is facing up as if it would hold water The stove will not burn properly if the ring is face down Locate the two continuous rows of air holes circling the burner top The top ring tabs should sit on the catalyst top so that the outer edge of the ring comes out right between those two rows of air holes LIGHTING Initial lighting should be undertaken by a qualified technician with a suitable probe type manometer for checking the flue pressure The most efficient method of tuning the stove is at the start and with the proper equip ment The customer who will be operating the stove is an important partner in this process so a full understanding of how the stove operates and is maintained is invaluable Shortly after the stove is lit an air pressure reading should be taken to see if the draft pressure readings are suitable To take this reading drill a hole suitable for the manometer probe size in the stove pipe directly above the stove outlet After pressure readings are finished simply plug the stove pipe hole with a suitable sized screw Lighting the stove 1 Remove the catalyst stainless steel mesh cylinder and top bur
15. n ring AR 7 only from the burn pot 2 Turn all supply valves on 3 Turn control knob on carburetor to setting 1 4 Lift the lever at the end of the carburetor to activate the safety mechanism The lever may appear to fall back down but the purpose has been achieved 5 When a small amount of oil begins to appear in the burner bottom take a wooden kitchen match and light the oil a small piece of crumpled tissue paper can be lit and tossed into the burner if desired or use of an alcohol gel fire starter is preferred lighting instruction continued on the next page 6 When oil is lit replace the catalyst top burn ring and shut the door a slightly cracked door is helpful for a short period of time to aid initial light up of oil but should not be required for more than 30 seconds Until the flue pipe warms up and draft is initiated your stove will burn with a high yellow orange flame This is normal during start up It is simply burning off excess liquid oil that accumulates in the burner bottom before the catalyst turns red and begins to vaporize the fuel 7 Within a few minutes the stove burner should begin burning blue at flame base and yellow at flame tip 8 Run the stove for at least 30 minutes on low or medium to allow the whole stove and chimney to come up to operation temperature 9 You are now ready to adjust or tune your Arctic according to the following carburetor adjustment section CARBURETOR ADJUSTMENTS
16. nce cnet a eeeees pg 8 9 T Warranty enoa eiaa OE teamed E EKA pg 10 SECTION 1 Stove placement air requirements and clearances Try to pick a location that will be somewhat central in the house or room in which you wish to install the Arctic Due consideration of the fuel tank location ease of fuel line installa tion and flue location is wise You will want to read the fuel tank section to get a better idea of where to locate the tank as well as the stove The stove must be placed on hearth that is non combustible having a thickness of 3 8 or greater A 36 x 36 hearth pad area is recommend ed Once a location is established the stove can be placed on the hearth and leveled It is abso lutely imperative that your Arctic is level There are adjustment bolts under each corner of the pedestal base should these adjustments be necessary Place a level on top of the pedestal base both directions and adjust until level This unit has been tested to U L 307A and is approved for installation and use in manu factured homes There are some special considerations when installing into a mobile or manu factured home For model K O AR 10 10 burner the flue system must consist of a 4 5 or 6 diameter CLASS A U L type 103HT insulated chimney and a double wall stove pipe connector For models K O AR 7 and K O AR 8 7 and 8 burner a 4 diameter Class A insulated chimney may also be used or you may use an approved
17. r K O AR 7 has an upper burn ring that prevents over draft conditions from affecting the burn The K O AR 8 or K O AR 10 does not require a ring On any models installed in extremely high wind conditions a tee in the stovepipe connector with a baro metric damper may be required to help compensate for these draft changes SIZING YOUR ARCTIC CHIMNEY Model Chimney 4 diameter 6 diameter Connector Connector Type Pipe mobile pipe home residential installation installation AR7 Class A Recommended Not Approved Single or or L Recommended double wall double wall only connectors AR 8 Class A Recommended Not Approved Single or or L Recommended double wall double wall only connectors AR 10 Class A Recommended OK Approved Single or only double wall double wall only connectors A 6 diameter flue on the 7 or 8 inch models has a decreased likelihood of providing the proper draft for effi cient and clean combustion While your stove may work with a 6 flue increased fuel usage increased mainte nance and a decreased reliability are to be expected SECTION 3 Fuel tank installation and fuel line connections OIL Your Kuma Arctic comes with a carburetor set for an average of a 2 35 cst viscosity rating You should be able to burn either 1 or 2 fuel with adjustments to the carburetor Due consideration to fuel grades should be noted 1 Fuel oil K 1 or kerosene will burn mu
18. ve door not closed tightly Carbon deposits at oil entry operate de coking rod Cold flue Plugged flue Wind conditions causing pressure to be out of limits Any problems in 3 above Dirt carbon or residue in burner bottom or fuel connection at burner operate de coker Low fire set too low on carburetor adjust see section 4 10 11 12 Carburetor out of adjustment decrease high fire screw Cold flue Flame set too high flame impinging on baffle too much Faulty gasket door rope or glass seal Excessive residue in burner bottom High wind or unstable draft condition Incorrect carburetor setting increase low fire screw Faulty carburetor rare condition Abnormally high gusty winds If you live in a windy area a draft stabilizer may need to be installed in the pipe to compensate A wind directional cap or vacuum cap may be helpful to prevent wind gusts and down drafts from affecting pressure No oil in the tank Valve in fuel supply line shut inadvertently Fuel supply blocked plugged filter frozen water Stove door having been open for a while and then shut a roaring noise can occur for a short period until draft stabilizes Draft pressure too high adjust carburetor to decrease high flame size or add a tee in connector pipe with a draft stabilizer Carbon deposits operate de coking rod Draft pressure too high Carburetor adjusted too

ARCTIC

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