P68 Installer / Owners Manual R-7
Contents
1. EE Fig 24 The room sensor is a small temperature sen sor on the end of a 60 gray wire This sensor is installed much like a standard wall thermostat Be cause it is so small it can be hidden along the trim of a doorway or even up the leg of a coffee table There is a remote room sensor port on the rear of the unit for easy external connection Use standard 18 2 thermostat wire to extend the distance to the desired location 100 maximum The room sensor should be installed in the location where you want to control the temperature In most installations locating the room sensor behind the stove near the distribution fan works well because the sensor monitors the room air being drawn into the distribution fan NOTE Distances of more than 25 feet from the unit or in another room are not recommended The room sensor is essential for the P68 s excellent efficiency NOTE It is recommended that the room sensor be installed even if only installed on the rear of the unit as a return air sensor Rear Shields 5 16 Hex Head Screws 3 on 5 16 Hex Head each side Screws 3 on each side Fig 25 The rear insulated shields are split in the middle for easy removal Each shield has 3 5 16 hex head screws Two 2 that only need to be loosened and one 1 that needs to be completely removed to allow the shield to slide away from the unit NOTE It is not recommended that the unit be operated2. medium speed POWER O STATUS O DISTRIBUTION BLOWER COMBUSTION BLOWER FEED MOTOR AUTO IGNITER 50 __ WARNING HIGH VOLTAGE Disconnect power before opening cover This setting will produce a large viewing fire without a distribution blower operating Igniter Switch to MANUAL Room Temperature Mode The fire will have to be lit with starting gel and a match or started automatically see Automatic Opera tion on Page 15 Turn to Manual position when the fire is established The difference between AUTO Room Tempera ture Mode and Manual Room Temperature Mode is that the fire will not go out as the room temperature goes above the control board setting The unit can only go to low burn and will remain there until it runs out of fuel or until more heat is needed and the feed rate increases Feed rate adjustments and dial set tings are the same as AUTO settings The blower will shut off completely if the temperature on the ESP is too low Igniter Switch to MANUAL Stove Temperature Mode The advantage of this mode is to allow the opera tor to have a large viewing fire without blowing extra heat into the room During operation with the temperature dial set at 5 or less the distribution fan will not operate A 5 on the temperature dial and a 5 on the feed adjuster is approximately 80 output It is not necessary to oper ate the distribution blow
3. The setting above will produce continuous maximum heat output with the distribution blower at full speed P68 Pellet Stove 15 P68 AUTOMATIC START UP Test Dy gt SeeHint 7 Helpful Hints 1 Fines are small pieces of broken pellets sawdust Fines do not flow easily and often build up on the hopper funnel bottom angles You can push these fines into the feeder opening and then fill the hopper with pellets As the system works they will be burned Or you can clean them out before filling the hopper 2 The TEST cycle will operate the feeder motor for exactly one minute Turning to TEST again and again may purge too much fuel into the burn pot causing excessive smoke on start up 3 The firebox low pressure switch will not allow the auger motor or the igniter element to operate if the view door or the ash pan door are open 4 Adjust Feed Rate If this is your first fire or you are trying different pellets set the feed adjuster to 4 Fig 17 This is a conservative number and will probably need to be increased After you know a feed rate setting that works well use that setting Remember if your feed rate is too high you may waste fuel 5 This is usually a weekly maintenance procedure Cleaning the burn pot with the scraper with a small amount of new fuel in the bottom is not a problem First scrape the ashes on the front of the burn pot into the ash pan Then scrape the top surface of the burn pot downwa
4. In addition the manufacturer and its warranty administrator shall be held free and harmless from liability from damage to property related to the operation proper or improper of the equipment THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF THESE WARRANTIES APPLY only if the device is installed and operated as recommended in the user s manual THESE WARRANTIES WILL NOT APPLY if abuse accident improper installation negligence or use beyond rated capac ity causes damage HOW TO MAKE A CLAIM Any claim under this warranty should be made to the dealer from whom this appliance was purchased Then contact is made with manufacturer giving the model and serial numbers the date of purchase your dealer s name and address plus a simple explanation of the nature of the defect Extra costs such as mileage and overtime are not covered Nuisance calls are not covered by these warranties THIS WARRANTY IS LIMITED TO DEFECTIVE PARTS REPAIR AND OR REPLACEMENT AT HAR MAN S OPTION AND EXCLUDES ANY INCIDENTAL AND CONSEQUENTIAL DAMAGES CONNECTED THEREWITH WARRANTY EXCLUSIONS Failure due but not limited to fire lightning acts of God power failures and or surges rust corrosion and venting problems are not covered Damage and or repairs including but not limited to remote controls filters fuses knobs glass ceramic brick panels ceramic fiber afterburners door packing tile ceramic log sets paint batteries or ba
5. Please note the difference in side wall clearance with and without side shields Note that the clearances shown are minimum for safety but do not leave much room for access when cleaning or servicing Please take this into account when placing the stove Connect the power cord to a 120 V A C 60Hz grounded receptacle A surge protector is recom mended to protect the circuit board If the voltage entering your home is below 116 volts your stove may not work properly Also be sure that the polarity of the outlet that the stove is plugged into is correct Prior to installing the flue pipe connect a draft meter The draft meter must have a minimum range of 0 5 Record the first reading Connect flue pipe to stove and be sure all doors and windows in the home are closed Record the second draft reading If the second reading is more than 05 lower than the first reading check for possible restrictions or the need for outside air see page 9 For more information on the draft test procedure refer to Page 20 Mobile Home Installation When installing this unit in a mobile home several requirements must be followed 1 The unit must be bolted to the floor This can be done with 1 4 lag screws through the 2 holes in the base plate 2 The unit must also be connected to outside air See page 9 3 Floor protection and clearances must be fol lowed as shown 4 Unit must be grounded to the metal frame of the mobile home CAUTION Th
6. The clearance under a veranda porch deck or balcony must be a minimum of 12 inches NOTE The clearance to vegetation and other exterior combustibles such as mulch is 36 as mea sured from the center of the outlet or cap This 36 radius continues to grade or a minimum of 7 feet below the outlet Certain Canadian and or Local codes or regula tions may require different clearances A vent shall not terminate directly above a side walk or paved driveway which is located between two single family dwellings and serves both dwellings Only permitted if veranda porch deck or bal cony is fully open on a minimum of 2 sides beneath the floor NOTE Where passage through a wall or partition of combustible construction is desired the installation shall conform to CAN CSA B365 if in Canada 222 227 DEF 22 Area where terminal is not permitted P68 Pellet Stove 7 8 IMPORTANT NOTICE Approved Pellet Vent Pipe Such As Type L Or PL Must Be Used Positive Static Pressure Q Negative Static Pressure Fig 7 P68 Pellet Stove Venting A combustion blower is used to extract the combustion gases from the firebox This causes a negative pressure in the firebox and a positive pres sure in the venting system as shown in Fig 7 The longer the vent pipe and more elbows used in the system the greater the flow resistance Because of these facts we recommend using
7. rodents etc out of the pipe You may choose to use the optional Direct Vent Wall Passthrough Kit part 1 00 677077 which incorporates the venting passthrough and outside air inlet into one component HRV When installing in a house with a Heat Reclaim ing Ventilation System HRV be sure the system is balanced and is not creating a negative pressure in the house P68 Pellet Stove 9 TIN pz 1 Preferred method This method provides excellent venting for normal operation and allows the stove to be in stalled closest to the wall Two inches from the wall is safe however four inches allows better access to remove the rear panel The vertical portion of the vent should be three to five feet high This vertical section will help provide natural draft in the event of a power failure Note Do not place joints within wall pass throughs 2 Preferred method This method also provides excellent venting for normal operation but requires the stove to be installed farther from the wall The vertical portion of the vent should be three to five feet high and at least three inches from a combustible wall This vertical section will provide natural draft in the event of a power failure If the stove is installed below grade be sure the vent termination is at least 18 above grade The outlet must also be 1 foot from the house building Note Do not place joints within wall pass throughs CAUTION Keep com
8. the view door or ash pan door open 5 Turn Feed Adjuster to 4 6 Flip the Igniter Switch up into the AUTO position 7 Turn the Temperature Dial to desired room temperature 8 Turn Mode Selector to Room Temperature or Stove Temperature 9 Fill hopper with pellets and remove ashes as required WARNING NEVER USE GASOLINE GASOLINE TYPE LANTERN FUEL KEROSENE CHARCOAL LIGHTER FLUID OR SIMILAR LIQUIDS TO START OR FRESHEN UP A FIRE IN THIS HEATER KEEP ALL SUCH LIQUIDS WELL AWAY FROM THE HEATER WHILE IN USE WARNING ONLY USE WOOD PELLET FUEL DO NOT BURN GARBAGE IN STOVE 68 MANUAL IGNITION OPERATION The P68 Pellet Stove is capable of manual operation This also allows the opera POWER O tor to manually control operation during an emergency i e igniter failure when using STATUS f a 502H battery backup as opposed to the 512H or when using certain generators NEN The unit can be switched between AUTO and MANUAL at any time during COMBUSTION O BLOWER operation M NOTE When starting the unit in the AUTO Room Temperature Mode This and switching to MANUAL the fire must be setting see below will produce large enough to start the distribution blower The temperature of 70 degrees starting of the blower is a signal that the start cycle with the distribution blower at 15 completed and the fire will not go out IGNITER O
9. Indicates control board self diagnostic fail ure This requires a manual reset 3 Blinks Indicates ESP Exhaust Sensing Probe failure This requires a manual reset 4 Blinks Can occur only in Room Temp Mode and indicates Room Sensing Probe failed or not installed If a Room Sensing Probe is then installed the status light will automatically reset 5 Blinks In Igniter Auto Mode Only Indicates that the unit has failed to light within the 36 minute start cycle To reset Turn Mode Selector to OFF then turn to either mode again 6 Blinks Indicates that the control has calculated poor or incomplete combustion occurring for more than 50 minutes A six blink status may be set if the stove is allowed to run out of pellets To reset turn mode selector to OFF then back on to the desired mode If the unit was not out of pellets see Troubleshooting section Page 27 for more details Manual reset disconnect power cord for a few seconds and reconnect If error still occurs call your Dealer P68 Pellet Stove 19 P68 Low Draft Voltage Adjustment Combustion Motor Speed Control Low draft only set point The small straight screwariver slot is plastic therefore the unit can be adjusted while in operation POWER O STATUS O DISTRIBUTION O BLOWER COMBUSTION O BLOWER WARNING HIGH VOLTAGE onn wer before ni Fig 22 Low Draft Voltage Adjustment These units are pre tested at the factory with
10. TEMPERATURE silicone Put a bead of RTV silicone in the bottom of the gasket channel then install the new gasket and close the door Allow to dry for several hours before lighting the stove After the RTV silicone has cured the door will have to be adjusted for proper sealing If you have just replaced the door gasket the latch adjuster must be pulled towards the front of the stove Follow the procedure mentioned above Fig 38 Latch Adjuster P68 Pellet Stove 25 P68 Maintenance Cleaning the Feed System Pellet fines will accumulate in the feeder body over a period of time therefore a yearly inspection and cleaning of this must be performed 5 16 Hex Head Screws 2 on each side To clean out fines 1 Remove right rear cover panel Screws 2 on 2 Remove wing nut and feeder cover on the right side of the feeder 3 Use a vacuum cleaner to remove all fines 4 Reinstall feed cover wing nut and right rear cover panel Pellet Fines may build up in this area The low draft sensor switch monitors the air pressure in the hopper Depending on the amount of fines in the fuel being burned this fitting known as the muffler may need to be cleaned periodically Note the location of the muffler and use caution when cleaning or
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12. as few elbows as possible and 15 feet or less of vent pipe The maximum horizontal run should not exceed 48 If more than 15 feet of pipe is needed the interior diameter should be increased from 3 to 4 because a larger pipe causes less flow resistance Be sure to use approved pellet vent pipe wall and ceiling pass through fittings to go through combustible walls and ceilings The use of a starting collar is not always necessary The first piece of pipe should be fastened securely with at least 2 fasteners to the flue collar of the stove If a starting collar is used to attach the venting system to the stove the starting collar must be sealed to the stove with high temp silicone caulking Vent Pipe Pellet venting pipe known as L or PL vent is constructed of two layers with air space between the layers This air space acts as an insulator and reduces the outside surface temperature to allow a clearance to combustibles of 1 to 3 inches The sections of pipe lock together to form an air tight seal in most cases However in some cases a perfect seal is not achieved For this reason and the fact that the P68 operates with a positive vent pressure we specify that the joints also be sealed with silicone Aluminum tape can also be used for any joint that is 1ft or more from the outlet of the stove We cannot emphasize enough the importance of sealing every seam and joint in the venting system which is inside the home Even the smallest p
13. emptying the hopper 26 P68 Pellet Stove P68 Trouble Shooting FEEDER DOES NOT FEED 1 No pellets in hopper 2 Firebox draft may be too low for low draft pres sure switch in feeder circuit to operate Check for closed doors loose or missing gasket on doors or hopper lid or a faulty pressure switch 3 Feed motor will not run until the ESP control senses 165 deg F Maybe you did not put enough pellets in the burn pot before manually lighting the fire 4 Something is restricting flow in the hopper or causing the slide plate to stick 5 Feed motor has failed PARTIALLY BURNED PELLETS 1 Feed rate too high 2 Draft too low Check burn pot clean out slide and door gasket 3 Burn pot or heat exchanger tubes may need to be cleaned 4 Combination of all the above 5 6 status blink A 6 blink control board status indication is caused by poor or incomplete combus tion The Automatic Ignition circuit board has the ability to track the combustion through feed settings and ESP temperatures When the control board has calculated poor or incomplete combustion it will shut down the unit as a safety feature Poor or incomplete combustion is a contributer of creosote which may cause a chimney fire A 6 blink status may be caused by several things 1 Blocked or partially blocked flue 2 Blocked or partially blocked inlet air a Backdraft damper on the inlet pipe may be stuck closed b If outside air is installed
14. the inlet cover may be blocked 3 The air chamber under the burnpot may be filled with fines and small bits of ash 4 The holes in the burnpot may be getting filled with ash or carbon buildup 5 Combustion blower fan blades may need cleaned 6 There is no fuel in the hopper SMOKE SMELL Seal the vent pipe joints and connection to stove with silicone FIRE HAS GONE OUT 1 No pellets in hopper 2 Draft setting is too low 3 Something is restricting fuel flow 4 Feed motor or combustion blower has failed 5 Power failure or blown fuse SMOKE IS VISIBLE COMING OUT OF VENT 1 Air fuel ratio is too rich A Feed rate too high B Draft too low caused by a gasket leak LOW HEAT OUTPUT 1 Feed rate too low 2 Draft too low because of gasket leak 3 Poor quality or damp pellets 4 Combination of 1 and 2 Helpful Hints Cleaning Burn Pot Whenever your stove is not burning take the opportunity to scrape the burn pot to remove carbon buildup A vacuum cleaner is handy to remove the residue Be sure the stove is cold if you use a vacuum Carbon buildup can be scraped loose with the fire burning using the special tool provided with your stove Scrape the floor and sides of the burn pot The carbon will be pushed out by the incoming fuel Always wear gloves to do this Removing Ashes Turn the Temp Dial to number 1 approximately 30 minutes before removing ashes This will result in a cooler stove and ash pan Maxim
15. 6783 3 31 782108 3 40 06618 Fitting 3 40 1818 1 00 08636 1 10 08542 2 00 08543 3 40 5647 1 00 06716 1 00 06727 3 43 08648 See Dealer for finish options 1 00 06717 See Dealer for finish options 3 43 1206 01 thru 10 10 choices Floral 3 43 06731 11 Horses 3 43 06731 12 Deer 3 43 06731 2 Lighthouse 3 43 06731 9 1 00 677077 HARMAN GOLD WARRANTY 6 YEAR TRANSFERABLE LIMITED WARRANTY Residential 1 YEAR LIMITED WARRANTY Commercial WARRANTY Harman warrants its products to be free from defects in material or workmanship in normal use and service for a period of 6 years from the date of sales invoice and for mechanical and electrical failures in normal use and service for a period of 3 years from the date of sales invoice If defective in material or workmanship during the warranty period Harman will at its option repair or replace the product as described below The warranty above constitutes the entire warranty with respect to Harman products HARMAN MAKES NO OTHER WARRANTY EXPRESSED OR IMPLIED INCLUDING ANY WARRANTY OF MERCHANTABILITY OR WAR RANTY OF FITNESS FOR A PARTICULAR PURPOSE No employee agent dealer or other person is authorized to give any warranty on behalf of Harman This warranty does not apply if the product has been altered in any way after leaving the factory Harman and its agents assume no liability for resultant damages of any kind arising from the use of its products
16. Installation amp Operating Manual P68 Pellet Stove Owners Manual We suggest that our hearth products be installed and serviced by professionals who are Tested amp certified in the U S by Listed By the National Fireplace Institute as Specialists Ce manuel est disponible en Francais sur demande SAFETY NOTICE PLEASE READ THIS ENTIRE MANUAL BEFORE YOU INSTALL AND USE YOUR NEW ROOM HEATER FAILURE TO FOLLOW INSTRUCTIONS MAY RESULT IN PROPERTY DAMAGE BODILY INJURY OR EVEN DEATH Portland Oregon USA R7 US OMNI Test Laboratories Inc FOR USE IN THE U S AND CANADA SUITABLE FOR INSTALLATION IN MOBILE HOMES IF THIS HARMAN STOVE IS NOT PROPERLY INSTALLED A HOUSE FIRE MAY RESULT FOR YOUR SAFETY FOL LOW INSTALLATION DIRECTIONS CONTACT LOCAL BUILDING OR FIRE OFFICIALS ABOUT RESTRICTIONS AND INSTALLATION INSPECTION REQUIREMENTS IN YOUR AREA CONTACT YOUR LOCAL AUTHORITY SUCH AS MUNICIPAL BUILDING DEPARTMENT FIRE DEPARTMENT FIRE PREVENTION BUREAU ETC TO DETERMINE THE NEED FOR A PERMIT CETTE GUIDE D UTILISATION EST DISPONIBLE EN FRANCAIS CHEZ VOTRE CONCESSIONNAIRE DE HARMAN HOME HEATING SAVE THESE INSTRUCTIONS 3 90 00688 90890 06 Nd 2202 Vd XejijeH urejunojy 266 ueuueH ned anbuqeJ H EH EH EH NEN NM NE NH NH EE SE amp AON LOO d3S 9nv nf AVN 834 NVC OLOC 6002 8002 uoneon
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18. STRATOR FURTHERMORE THESE ACCESSORY DEVICES MUST BE INSTALLED AND USED AC CORDING TO THE RECOMMENDATIONS OF THE MANUFACTURER REMEDIES The remedies set forth herein are exclusive and the liability of seller with respect to any contract or sale or anything done in connection therewith whether in Contract in tort under any warranty or otherwise shall not except as herein expressly provided exceed the price of the equipment or part of which such liability is based CLARIFY The above represents the complete warranty which is given in connection with stoves manufactured by Harman No other commitments verbal or otherwise shall apply except by a written addendum to this warranty
19. ally and can be adjusted to the desired setting using the same temperature control dial as is used in the Room Temperature Mode The heat output and fuel consumption will remain constant regardless of room temperature The settings from 1 to 7 on the inner ring of the dial provide for relative heat output settings with 1 being low and 7 being the maximum In Stove Temperature Mode the stove will not automatically shut off unless the stove runs out of fuel or is turned off Never pull the plug to shut down the stove This will stop the combustion blower and smoke will escape through window and door gaskets When the igniter toggle switch is set to manual in this mode the distribution blower will not turn on with a temperature dial setting from 1 to 5 The advantage of this mode is to allow the operator to have a large viewing fire without blowing extra heat into the room During manual operation with the temperature dial set at 5 or less the distribution fan will not operate A 5 on the temperature dial and a 5 on the feed adjuster is approximately 80 output It is not necessary to operate the distribution blower below this point Therefore the control allows a higher burn rate a larger viewing fire without an excess of hot air blowing into the room An example of when to use the Manual Stove Temperature Mode is if you want to watch a large fire and the room is already up to temperature The Stove Temperature Mode allows you to h
20. ally with either a gel or a wax type fire starter see lighting instructions on page 17 With the igniter toggle switch set in the Manual position the stove will automatically adjust heat output but the stove will not automatically shut down if no heat is required Instead it will go to its lowest setting and remain there The Manual position on the igniter toggle switch lets you light the stove manually should the igniter fail for any reason Secondly if you are using the Harman battery back up system the Manual setting will prevent the stove from turning off and on during a power failure which would drain the back up battery and possibly cause damage to the back up or the stove Room Temperature Mode This setting see above will produce a room temperature of 70 degrees with the distribution blower at medium speed In the Room Temperature Mode the distribution blower speed can be increased or decreased by adjusting the Room Temp Off Stove Temp dial between L and H As output of the stove increases the speed of the blower will increase automatically to insure that more heat is transferred out into the room The distribution blower will shut off as the room reaches the set temperature this will prevent overheating of the room 14 P68 Pellet Stove 66 AUTOMATIC IGNITIONOPERATION Stove Temperature Mode In the Stove Temperature Mode and with the igniter toggle switch in the Auto position the stove will light automatic
21. ave a larger fire and a lower sound level without the distribution blower NOTE During the use of this mode if you keep increasing the temperature dial setting to increase the fire size the distribution blower will automati cally come on when the ESP Temperature reaches 350 F or 81 output Feed Adjuster Knob For most premium grade pellet fuels the Feed Adjuster Knob should be set at 4 If higher ash fuels are used the setting should be increased to 5 or 6 Also higher settings are required if you would like to get the maximum heat output from the stove At the maximum burn rate with the temperature dial on 7 90 and the feed adjuster at 6 there should be 1 or more of ash on the front of the burn pot If there is less than 1 of ash turn the feed adjuster knob down to a lower setting Shut Down Procedure The best way to shut down the stove is simply let it run out of pellets The stove will shut down automatically Alternatively you can turn the Mode Selector to off This will cause the fire to gradually die down and go out The fire will not go out immediately and may take more than an hour to fully shut down If the stove is left to run out of fuel you may get a 6 blink status light If this happens simply reset the control board by turning the mode selector to OFF and back ON Stove Temperature Mode The setting above will produce continuous medium heat output with the distribution blower at low speed
22. bustible materials such as grass leaves etc at least 3 feet away from the flue outlet on the outside of the building 12 min wall to outlet i 36 min clearance to any combustible material 10 P68 Pellet Stove 4 Installing into an existing chimney This method provides excellent venting for normal operation This method also provides natural draft in the event of a power failure If the chimney condition is questionable you may want to install a liner as in method 7 chimney should be inspected and cleaned before installing your stove If you discover that the chimney does not have a clay tile liner or has cracks or flaking of the tile liner you will need to install a stainless steel liner within the chimney In most cases the inside diameter of this liner should be 4 Either flexible or rigid liner may be used for this purpose Refer to Method 6 amp 7 Be sure to design the venting so that it can be easily cleaned 5 Installing into an existing fireplace chimney This method provides excellent venting for normal operation This method also provides natural draft in the event of a power failure If the chimney condition is questionable you may want to install a liner as in method 6 chimney should be inspected and cleaned before installing your stove If you discover that the chimney does not have a clay tile liner or has cracks or flaking of the tile liner you will need t
23. e left rear corner of the firebox A simple draft test should be performed after completing the flue pipe installation To record the results for future reference 1 Plug unit into a 120VAC 60 HZ outlet 2 Close the hopper lid front view door and the ash pan Neither pellets or a fire are required for this test 3 With the mode selector in the OFF position turn the feed adjuster to TEST 4 Record the high draft in W C Normal is 50 to 60 The control will be on the High Draft for a total of 2 minutes 5 After 2 minutes the combustion motor will go down to low draft and the distribution blower will go on high Allow approximately 15 seconds to pass for the combustion motor to slow before checking the low draft 6 If the low draft is between 35 and 45 record the reading in W C If the reading is higher slowly turn the set screw counter clockwise until the draft lowers If the reading is lower very slowly turn the set screw clockwise until the draft increases NOTE The test mode alternates from high to low draft every 60 seconds If more time is needed for draft adjustment wait until the next low draft cycle NOTE In some cases the draft may not go as low as 35 to 45 even with the set screw completely counter clockwise Ideally you should just set it as low as possible Room Sensor and Rear Shield Installation Room Sensor Installation
24. ecessary to completely remove all material from the burn pot The excess will be pushed out during the next use DANGER Disconnect the power to the unit before removing cover 2 Loosen the 2 wing thumb screws on the lower front angle of the burn pot Fig 34 3 Lift off the clean out cover Fig 35 to open the bottom clean out chamber Fig 36 4 Clean ash buildup from inside the chamber while cover is off Use the scraper to tap on the top front edge of the burn pot This will help knock pieces of ash loosened by the scraping process down through the holes It also helps knock scale off of the igniter element Figure 36 The igniter is made to be removable for service by insulated male female wire connectors These connections between the hot leads the wires inside the burn pot and the cold leads the wires from the control board are always pulled to the inside rear of the feeder body Not coiled inside the burn pot It is very important that these connections are to the inside rear of the feeder body Also the extra wire of the igniter wire service loop must be pulled out through the rear of the feeder and tied up so that it will not be damaged by any moving parts WARNING Use caution when cleaning burn pot clean out chamber Do not damage the high temperature igniter wires Igniter hot lead wires high temperature Note The hot lead cold lead connection must always be pulled to the rear of the Bur
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26. er below this point This control setting allows a higher burn rate a larger viewing fire without an excess of hot air blowing into the room An example of when to use the Manual Stove Temperature Mode is if you want to watch a large fire and the room is already up to temperature The Stove Temperature Mode allows you to have a larger fire and a lower sound level without the distribution blower NOTE During the use of this mode if you keep increasing the temperature dial setting to increase the fire size the distribution blower will automati cally come on when the ESP Temperature reaches 350 F or 8196 output P68 Pellet Stove 17 68 MANUAL START UP 4 G Helpful Hints 1 Fines are small pieces of broken pellets sawdust Fines do not flow easily and often build up on the hopper funnel bottom angles You can push these fines into the feeder opening and then fill the hopper with pellets As the system works they will be burned Or you can clean them out before filling the hopper As the system works they will be burned 2 The TEST cycle will operate the feeder motor for exactly one minute Turning to TEST again and again may purge too much fuel into the burn pot causing excessive smoke on start up 3 The firebox low pressure switch will not allow the auger motor or the igniter element to operate if the view door or the ash pan door are open 4 Adjust Feed Rate If this is your first fire or you are trying d
27. exactly 120 Volts A C 60 Hz They are checked and adjusted for firebox tightness gasket leakage motor operation and igniter operation The P68 is then factory set at a mid point adjustment and in most cases will not need any adjustments NOTE The factory low draft setting may not be correct for the unit s permanent installation conditions The control board on the P68 is equipped with a low draft adjustment port Located on the control face just to the right of the igniter light This voltage adjustment is provided to allow the unit to be adjusted for the household voltage where the unit is going to be in permanent operation NOTE The line voltage varies from area to area and often home to home Thelow draft voltage should be adjusted to achieve the most efficient burn on low burn or maintenance This voltage adjustment allows the installer to change the low voltage set point approximately 10 volts This adjustment should be done by the installer during set up because a draft meter reading is required to insure proper set up If the unit is not adjusted properly it does not cause a safety concern If the unit is adjusted too high only effiency is lost If the unit is adjusted too low the low draft pressure switch will not allow the feed motor or the igniter to operate 20 P68 Pellet Stove Draft Meter bolt hole location On a P68 the draft test hole is under th
28. gether to allow amazing heat output with different fuel quality ash content and moisture Table of Contents Important Notes Safety Concerns We suggest that our hearth products be installed and serviced by professionals who are certified in the U S by the National Fireplace N Institute NFI as NFI www nficertified org Specialists Installation Venting Automatic Operation Serial f _____ Manual Operation This label is located on the back of the unit ESP Control Please copy the Serial Number for future reference Low Draft Voltage Adjustment MODEL P68 Room Heater Pellet Fuel Burning Iso for us mes Room Sensor Maintenance Trouble Shooting US ENVIRONMENTAL PROTECTION AGENCY t from EPA certification under 40 CFR 60 531 by definition Wood Heater Ai EVER CETTE TIQUETTE Feeder Parts opecifications Please read this entire manual before you install and use your new room heater Failure to fol Options low instructions may result in property damage bodily injury or even death Wiring Diagram HARMAN Parts List 352 Mountain House Road Warranty Halifax PA 17032 P68 Pellet Stove 3 IMPORTANT NOTES 4 DO NOT INSTALL A FLUE DAMPER IN THE EXHAUST VENTING SYSTEM OF THIS UNIT DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE SERVING ANOTHER APPLIANCE Mobile home installat
29. gged into a 120 VAC 60 HZ electrical source The power light should be the only light lit NOTICE Be Sure there is no fuel or other combustibles in the ash pan prior to lighting 1 Turn FEED ADJUSTER to desired feed rate No 4 is good for most pellets 2 Turn the MODE SELECTOR to OFF and then to the desired mode This will reset con trol and start the combustion motor 3 Turn the TEMPERATURE DIAL to the desired setting 4 Clean burn pot with scraper if necessary 5 Fill burn pot with pellets only level with front edge Do Not Over Fill 6 Add starting gel on top of the pellets Stir gel into pellets for fast lighting 7 Light starting gel with a match and close the door Operation will begin when the fire reaches the proper temperature 8 Fill hopper with pellets and remove ashes as WARNING NEVER USE GASOLINE GASOLINE TYPE LANTERN FUEL KEROSENE CHARCOAL LIGHTER FLUID OR SIMILAR LIQUIDS TO START OR FRESHEN A FIRE IN THIS HEATER KEEP ALL SUCH LIQUIDS WELL AWAY FROM THE HEATER WHILE IN USE WARNING ONLY USE WOOD PELLET FUEL DO NOT BURN GARBAGE IN STOVE AUTOMATIC IGNITION ESP CONTROL Power Light Feed adjuster Indicates power to the Sets the maximum control feed rate Test Runs all motors at full STATUS speed for one minute to Status Light check operation After Will be lit in either stove or room temp mode when pointer is no
30. gt 01 01 no W 0 gt n 1 no 1 1 1 ro g e ro D eo ae jo os ja os ja o jo o jo oe joa o jo w jo n jo CRES 04 os 15 jo oe 1 jo eo jo er jo ee jo es jo ACE 26 jo ey ja Specifications Weight Blower Feed Rate Hopper Capacity Fuel Flue Size Outside Air Size Fuse Rating 36 7 8 290 105 135 cfm approx 116 to 8 Ibs per hr 76 Ibs Wood Pellets 3 inch 2 3 8 D inch 6 amp 2g 472 P68 Pellet Stove 29 OPTIONS Side Heat Shields Side heat shields are available to reduce the clearance to combustible materials Part 1 00 06716 Hopper Extension The hopper extension allows you to put more pellet fuel in the hopper and extends burn time on one load of pellets The hopper extension adds 60 pounds to the existing 76 pound hopper capacity allowing you to load 136 pounds of pellets at one time Part 1 00 08636 Direct Vent Wall Passthrough Kit You may choose to use the optional Direct Vent Wall Passthrough Kit part 1 00 677077 which incorporates venting passthrough and outside air into one component 30 P68 Pellet Stove Floor Protector The P68 Steel Floor Protector measures 25 inches wide by 33 inches deep It is made of 20 gauge steel This is the minimum size for floor pr
31. ifferent pellets set the feed adjuster to 4 Fig 19 This is a conservative number and will probably need to be increased After you know a feed rate setting that works well use that setting Remember if your feed rate is too high you may waste fuel 5 This is usually a weekly maintenance procedure Cleaning the burn pot with the scraper with a small amount of new fuel in the bottom is not a problem First scrape the ashes on the front of the burn pot into the ash pan Then scrape the top surface of the burn pot downward into the base of the burn pot When the stove is ignited these scrapings will be pushed out by the feeder and burned 6 The ash pan can hold the ashes from approximately 1 ton of premium fuel This means the ashes will only need to be emptied a few times a year 7 Setting the feed adjuster for maximum burn With the unit burning in AUTO turn to Stove Mode and put the fan on Set the Temperature Dial to 7 Allow the unit to burn for about 30 minutes and check ash on front of burn pot Fig 21 If the ash line is larger than 1 turn the feed adjuster from 3 to 4 Allow another 30 minutes of burn time and check again If at 6 setting a 1 or less ash bed is not obtainable it is not a problem The 1 ash bed is only a maximum burn rate and at most normal settings the ash bed will be larger 18 P68 Pellet Stove Starting First Fire Igniter Switch to MANUAL down position Make sure the unit is plu
32. in hole can leak and when it does you will smell wood smoke or a creosote smell in the room If this occurs check for leaks Leaks are easiest to see during start up Alternatively you can use a smoke pellet to leak test the venting before lighting your first fire Outside air flex pipe goes here Flex pipe partt 1 00 08543 25 Inlet Cover part 1 10 08542 Direct Vent Wall Passthrough Kit part 1 00 677077 Outside Air Here are four benefits of outside air 1 Having air introduced from outside the living area boosts overall efficiency 2 It eliminates draft problems that can occur in tight homes 3 It reduces smoke spillage in the event of a power failure 4 It allows your vent termination to be as close as 18 from windows or doors Outside air is optional except in mobile homes and where building codes require The benefit of outside air is mainly noticed in small very tight houses To install outside air use 2 3 8 1 0 non combustible flex pipe There is a break away hole on the rear panel of the P68 stove which must be removed before connecting the flex pipe The pipe should be run outside and terminate to the side or below the vent pipe outlet so the flue outlet is more than 12 from the inlet cover The maximum length run of this pipe is 15 feet If a longer run is needed the size must be increased to 3 Inlet cover part number 1 10 08542 should be used to keep birds
33. ination vent In addition the following must be observed A The clearance above grade must be a mini mum of 18 B The clearance to a window or door that may be opened must be a minimum of 48 to the side 48 below the window door and 12 above the window door with outside air installed 18 C A 12 clearance to a permanently closed window is recommended to prevent condensation on the window D The vertical clearance to a ventilated soffit located above the terminal within a horizontal distance of 2 feet 60 cm from the center line of the terminal must be a minimum of 18 E The clearance to an unventilated soffit must be a minimum of 12 F The clearance to an outside corner is 11 from center of pipe G The clearance to an inside corner is 12 H A vent must not be installed within 3 feet 90 cm above a gas meter regulator assembly when measured from the horizontal center line of the regu lator Vent terminal O Air supply inlet The clearance to service regulator vent outlet must be a minimum of 6 J The clearance to a non mechanical air supply inlet to the building or the combustion air inlet to any other appliance must be a minimum 0148 K The clearance to a mechanical air supply inlet must be a minimum of 10 feet with outside air installed 6 feet L The clearance above a paved sidewalk or a paved driveway located on public property must be a minimum of 7 feet M
34. inside the chimney should be 4 diameter In this method a cap should also be installed on the chimney to keep out rain E ss gt E Bu n 12 Er Storm collar iu MC Flashing i gt i 3 min PL vent No insulation or Minimum flue vent other combustible materials configuration allowed within It is recommended that outside 3 the Do air be installed with this venting epee ted by o configuration to reduce smoke pipe manufacturer and creosote smell in the room in the event of power failure See Page 6 for corner installation clearances T K min JEF o unu e e EB Fig 14 L 8 8 Installing through the ceiling Through the ceiling vent follow PLvent Fig 15 manufacturers recommendations when using wall and ceiling pass through Note Do not place joints within wall pass throughs 12 min wall to outlet F 36 min clearance to any combustible material Fig 16 P68 Pellet Stove 13 66 AUTOMATIC IGNITIONOPERATION The P68 is a fully automatic stove that features two Room Temperature Mode operating modes Stove Temperature Mode and Room Temperature Mode In Stove Temperature Mode you select a burn rate and the stove will remain at the same burn rate regardless of the room temperature POWER In the Room Temperature Mode the stove constantly monitors the
35. ion should be done in accordance with the Manufactured Home and Safety Standard HUD CFR 3280 Part 24 P68 Pellet Stove WARNING Mobile Manufactured Home Standards Do Not Allow Installation In Rooms Designated For Sleeping CAUTION THE STRUCTURAL INTEGRITY OF THE MOBILE HOME FLOOR WALL AND CEILING ROOF MUST BE MAINTAINED CAUTION KEEP COMBUSTIBLE MATERIALS SUCH AS GRASS LEAVES ETC AT LEAST 3 FEET AWAY FROM THE FLUE OUTLET ON THE OUTSIDE OF THE BUILDING Installation and repair of this Harman stove should be done by a qualified service person We recommend that the stove be inspected before use and at least annually by a qualified service person Periodic cleaning is required throughout the heating season and at the end of each winter for the stove to work efficiently See cleaning instructions on 22 Assembly and Installation Unpackin The P68 is bolted 1 4 x 1 hex head bolts to the skid to prevent movement during shipping To free the stove from the skid you must remove the hold down bolts in the rear of the pedestal base Installing rear cover panels The rear cover panels are removed from the stove to make it easier to get at the hold down bolts The rear cover panels are packed inside the hopper and should be installed on the stove as shown It is recommended that the rear covers are installed after the unit is in place and the vent pipe is installed Firebrick Install the firebric
36. is appliance must be vented to the outside Due to high temperatures the stove should be placed out of traffic and away from furniture and drap eries Children and adults should be alerted to the haz ards of high surface temperatures and should stay away to avoid burns to skin and or clothing Young children should be carefully supervised when they are in the same room as the stove Clothing and other flammable materials should not be placed on or near this unit WARNING Mobile Manufactured Home Standards Do Not Allow Installation In Rooms Designated For Sleeping P68 Pellet Stove 9 With Side Shields 13 Without Side Shields E 1 Floor Protection must be 2 inches to each side 6 inches to the front and 0 inches to the back of the stove Floor Protector minimum 25 wide x 33 deep 25 minimum 4 0 N even with hopper 2 E E Co 6 measured T from glass Requirements for Terminating the Venting WARNING Venting terminals must not be re cessed into a wall or siding NOTE Only PL vent pipe wall pass throughs and fire stops should be used when venting through combustible materials NOTE Always take into consideration the effects of the prevailing wind direction or other wind currents that may cause flyash and or smoke when placing the term
37. k vertically on the angle bracket above the burnpot Flame Guide Shipping mnm Install the cast iron flame guide on top of the AA Note These same holes burn pot Make sure that the flame guide is fully Ee are used for securing the seated on the vertical sides of the burn pot and Fig 1 Stove that the back of the guide rests against the body installation of the stove INSTALL EXHAUST VENT AT CLEARANCES SPECIFIED BY THE MANUFACTURER Most Rear Cover pellet pipes require a minimum of 3 of clearance Panels _ _ Door Handle Installation Wood Handle 3 40 00123 amm Spring Washer S so 3 31 08558 ar 1 4 20 x 2 1 4 3 30 3025202252 2 Install soring washer and wood handle onto socket head cap screw as shown in fig 2 and thread onto latch on front door 1 Remove wood handle P N 4 30 00123 6mm spring washer 3 31 08558 and socket head cap screw 14 20 x 2 1 4 3 30 3025202252 from hardware pack 3 Tighten using a 3 16 hex key wrench P68 Pellet Stove 5 Installation 6 Installing Place the stove on a noncombustible floor protec tor that extends a minimum of 6 inches to the front 2 inches to the sides and flush with the rear of the hopper See Fig 6 The minimum floor protector material is 20 gauge sheet metal Other floor protector materials are ceramic tile stone brick etc Place the stove away from combustible walls at least as far as shown in Figures 3 4 and 5
38. n pot igniter Viewed from below through the ash pan opening Fig 36 feeder body before operation 24 P68 Pellet Stove P68 Maintenance Gasket Adjustment Your new Harman Stove viewing door gasket has been factory set however over a period of time some minor adjustment may be necessary The easiest way to check the adjustment of the door gasket is to take a small piece of paper or a dollar bill when the stove is not burning and open the door place the paper between the face of stove body and the gasket at the top center of the door close the door You should have a slight amount of resistance when you try to pull the paper out Repeat this process on the bottom center of the door If the paper is loose then some adjustment is necessary To adjust the door the stove must be turned off and cold Open the door loosen the 2 bolts shown see Fig 37 and bump the latch adjuster Fig 38 toward the back of stove snug bolts and test for proper seal as described above Once the proper seal is attained open the door and finish tightening the bolts If proper adjustment cannot be accomplished then a new gasket should be installed Over a period of time the gasket will wear out and a new gasket will have to be installed To installa new gasket you must remove the old gasket After the gasket is removed the gasket channel should be free of all loose particles The gasket cement used to hold the gasket in place is HIGH
39. nings 1 Shut down stove and disconnect power cord to insure that all motors are stopped 2 Clean heat exchanger with scraper as shown in fig 27 Scraper M Brush or scrape the inside of the stove to remove fly ash Scrape burnpot with flat end of scraper provided with the stove Inspect the holes on the burnpot surface See Fig 33 Open burn pot clean out Clean fly ash from burn pot and replace cover Remove ash pan Remove combustion blower cover by turning the Blower Cover blower cover latch vertical see Fig 26 Sliding the Latch cover out of the slot on the left This will expose the combustion blower wheel and flue outlet Fig 27 Fig 27 22 P68 Pellet Stove Maintenance Burn pot Ciean out 8 Clean the combustion blower wheel with a brush and a vacuum cleaner Note Do not use a household vacuum to clean the stove We recommend that you use a shop vacuum that is equipped with a fine dust filter called a HEPA filter or a vacuum specially made for fly ash and soot USING A VACUUM WHICH IS NOT EQUIPPED WITH A FINE DUST FILTER WILL BLOW FLY ASH AND SOOT OUT INTO THE ROOM NOTE THE STOVE MUST BE COMPLETELY OUT BEFORE YOU VACUUM THE STOVE LIVE PEL LETS IF SUCKED INTO THE VACUUM WILL LIGHT THE VACUUM ON FIRE AND MAY ULTIMATELY CAUSE A HOUSE FIRE Fig 28 Latch clo
40. o install a stainless steel liner within the chimney In most cases the inside diameter of this liner should be 4 Either flexible or rigid liner may be used for this purpose Refer to Fig 6 amp 7 The chimney should be sealed at the damper using a steel plate or with insulation at the first flue tile In both cases the connector pipe should extend through the smoke chamber to the base or into the first flue tile Be sure to design the venting so that it can be easily cleaned P68 Pellet Stove 11 12 P68 Pellet Stove 6 Installing into an existing fireplace chimney This method provides excellent venting for normal operation This method also provides natural draft in the event of a power failure In some places in the US and Canada it is re quired that the vent pipe extend all the way to the top of the chimney In this method a cap should also be installed on the chimney to keep out rain Be sure to use ap proved pellet vent pipe fittings Seal pipe joints with silicone or aluminum tape in addition to the sealing system used by the manufacturer Pipe size should be increased to 4 using this method 7 Installing into an existing chimney This method provides excellent venting for normal operation This method also provides natural draft in the event of a power failure In some places in the US and Canada it is re quired that the vent pipe extend all the way to the top of the chimney The pipe or liner
41. otection with this unit Part 1 00 06727 20 gauge steel floor protector 33 D gt gt Decorative Tile Grey Slate Options The decorative tile and slate measure 11 938 x 5 938 The tile slate frame is necessary to hold the tile or slate in place on the stove There are 10 decorative tile choices and 4 decorative slate choices See dealer for samples The Brushed Stainless deer cutout pictured below is another option available This cutout reveals the color of the stove through the cut out shapes frame tile slate 5 938 gt amp 70590 68 UN L ZHO9 OvAOGCL 006 SLIVM JASN OSVONVIS 3218 v ZHO9 OV OCI I OSv SILVM XVI YOLOW 439nv 330333 Ol LOdNYNAG 3UISNI 6 anag 133 313 N3LINSI NOLLSNSWOD 4j3MO18 NOILNEIYLSIO T 8 MOTI3A Z L 9 SLIHM S 3LIHAY 3LHM V CES SNOLLO3NNOO JINI ITIN C got NMOSS SLOWLNOD O N 3718 11 HIUMS 337 55339 D Q UY SNOILO3NNOO 314H33 31 M 3HIM Q31SIML 20 oO S EG gt NY 30718 ee sa ial Sas N33342 a 35035 SSv19 9 XE AQOG JAOLS OL 030NO8 ANNOYS SI N33NO 3LIHM 9809 S390 NAXOS SNOILO3NNOO JIAJJJY SS gi WYHOVIG ONIMIM SAOLS 1371134 S89d vi9d vd NviWevH 3891Y 81 P68 Pellet St
42. ove 31 P68 Parts List Options 32 P68 Pellet Stove Description Hopper Gasket 6 ft Hopper Throat Gasket Ash Pan Assembly Burn Pot Weldment Right Rear Shield Left Rear Shield Arrow Scraper Flame Guide Wiring Harness Assembly Thermister Probe Room Sensor Circuit Board Differential Switch 5 Double Fan Blade Combustion Blower Distribution Blower Hopper Lid Latch 3 16 Rubber Washer for Hopper Lid Power Cord Auto Ignite Label Control Panel Door Fire Brick 3 White Black Control Knob 3 Control Knob Shaft 3 Mirrored Front Glass Burn Pot Gasket 1 Tailpipe Gasket Wiring Diagram Control Panel Sticker Owner s Manual Hopper Lid Label Igniter Element 1 4 20 x 1 2 Wing Screw w Collar 2 Hopper Muffler Hopper Extension Assembly Outside Air Assembly 3 Flex Pipe Log Set Side Heat Shields Floor Protector 25 x 33 Air Grill Door Frame w ash lip amp tile slate trim Tile Pack 1 piece Decorative Slate 1 piece Direct Vent Wall Passthrough Part Number 0 88 00248 3 44 677185 1 10 05800 1 10 06723 2 00 06468 1 2 00 06468 2 2 00 773850 3 00 03000 3 20 08727 3 20 00744 blk wire 3 20 00844 red wire 3 20 00906 3 20 05374 or 3 20 05886 match w old 3 20 6866 3 20 502221 3 21 08639 3 21 22647 3 31 199110 3 31 90131101 3 20 29685 3 90 08627 3 40 900450125 3 31 605 3 31 015 3 40 06720 3 44 00409 3 44 06179 3 89 06504 3 90 06655A 3 90 06701 3 90 08416 3 20 0
43. pody seuoje1oqe7 159 ui ui 10 PSI pue pas ueeq seu eoueijdde 112d 5141 ui 104 0517 jonJ 19 89 13000 sn 2 ysn pueniod Ag pas pue 5 P68 Pellet Stove 2 Introduction The Award Winning P68 Pellet Stove has the widest BTU range available giving you to 68 000 BTU when you need it automatically The only thing you need to do is set your desired room temperature and fill the hopper With the P68 you will notice even heat throughout your home and a level of convenience you never thought possible The P68 epitomizes the capability of Harman Pellet Stoves taking advantage of Harman s 20 years of pellet stove design technology and manufacturing This 68 000 BTU stove has the highest output smartest controls widest heating range and minimal maintenance The P68 s huge output is managed by a microprocessor that senses the room temperature and the fire temperature with tiny thermister probes and then determines the best feed rate This improved and smarter control also has a diagnostic port for connecting an external display showing live working data for easier troubleshooting The platinum combination is Harman s Patented Feeder amp Burn Pot and ESP Control which have been developed to their highest state These features work to
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45. rd into the base of the burn pot When the stove is ignited these scrapings will be pushed out by the feeder and burned 6 The ash pan can hold the ashes from approximately 1 ton of premium fuel This means the ashes will only need to be emptied a few times a year Setting the feed adjuster for maximum burn With the unit burning in AUTO turn to Stove Mode and put the fan on Set the Temperature Dial to 7 Allow the unit to burn for about 30 minutes and check ash on front of burn pot Fig 18 If the ash line is larger than 1 turn the feed adjuster from 4 to 5 Allow another 30 minutes of burn time and check again If at 6 setting a 1 or less ash bed is not obtainable it is not a problem The 1 ash bed is only a maximum burn rate and at most normal settings the ash bed will be larger 16 P68 Pellet Stove Starting First Fire Igniter Switch to AUTO up position Make sure the unit is plugged into a 120 VAC 60 HZ electrical source The power light should be the only light lit NOTICE Be Sure there is no fuel or other combustibles in the ash pan prior to lighting 1 Turn Mode Selector to OFF 2 Fill hopper with pellets 3 Clean burn pot with scraper if necessary 4 starting after an empty hopper turn Feed Adjuster to TEST for one 60 second cycle This will purge pellets into the auger tube and also allow you to check the motors for operation NOTE The auger motor will not operate with
46. sed with blower cover in place Burn pot clean out is closed Fig 29 Latch open with blower cover partly removed Burn pot clean out is open Blower cover removed Fig 30 Exposed blower wheel and flue opening NOTE ESP probe is visible ESP Probe Be careful not to damage ESP probe when cleaning with brush Use a brush to clean the flue being careful not to damage the ESP probe see Fig 30 The flue goes straight through into the vent pipe Fig 27 therefore the vent pipe can also be cleaned to some extent through the flue outlet 10 Reinstall blower cover and relatch 11 Slide ash pan into stove and latch the door Brush not supplied can be found in hardware stores Fig 32 Soot and Fly Ash The products of combustion will con VA tain small particles of fly ash which must be removed from the inner walls of the stove and from the venting system periodically Removing fly ash and soot improves efficiency insures that the flue venting passageway is clear and unobstructed The stove should be cleaned after each ton of pellets 50 bags and the venting system inspected and cleaned after each heating season Fig 33 P68 Pellet Stove 23 P68 Maintenance Burn Pot Burn Pot Cleaning and Maintenance 1 Scrape the top holed surface and sides of the burn pot Fig 33 Itis not n
47. t within off position band except after normal shut down Blinks to indicate two minutes the stove will go to minimum burn and the blowers will alternate from high to low every minute to remind you that you are DISTRIBUTION BLOWER COMBUSTION BLOWER errors listed below PEED MOTOR d still in Test Mode IGNITER U IGNHER p MANUA Igniter switch Indicates power to Set to appropriate distribution blower Start Up mode Distribution Blower speed adjustment Indicates power to combustion blower range L low H high Indicates power to the Variable speed feed motor anywhere between L and H although as the Stove temp goes up so does the low end of 50 _ WARNING HIGH VOLTAGE 60 55 Indicates power to the igniter Disconnect power before opening cover the scale 5 Temp dial Dealer Diagnostic Port Allows you to choose between Allows you to adjust the room temperature in Hoom Temp Mode using the outer scale marked in degrees Fahrenheit It also allows you to adjust the stove temperature while in Stove Temp Mode using the inner scale marked from 1 to 7 For dealer maintenance only Requires special DDM monitor supplied to Harman Dealers exclusively Temp Mode Stove Temp Mode or OFF Also allows you to vary the distribution blower speed by turning the knob to the high or low side of each mode Status light error messages 1 Blink
48. temperature in the room and DISTRIBUTION O BLOWER iid adjusts the size of the fire and the heat output of the stove COMBUSTION O BLOWER so that the room is kept at a constant temperature Room RENE mode in the AUTO position has the added advantage of ENTER D uf MANUAL turning the stove off if no heat is required and turning the stove on again when the room temperature drops below your desired room temperature Room Temperature Mode Most consumers use the stove in the Room Temperature Mode because it is the easiest and most efficient method of keeping the room at a given temperature In the Room Temperature Mode the Room Sensing Probe constantly monitors room temperature As the weather changes outside and your home needs varying amounts of heat to be at a desired temperature the stove will automatically increase size and heat output of the fire so that a constant even temperature is maintained If the weather warms up and no heat is required the stove will gradually shut down When the house cools down the stove will automatically bring the room temperature to the precise temperature you desire In the Room Temperature Mode you can select either Auto or Manual modes for the igniter using the igniter toggle switch When the toggle switch is in the Auto position the igniter located inside the burn pot is ready to automatically light the fire when required When the toggle switch set to the Manual position the stove can be lit manu
49. ttery back up and related duct work are not covered Also excluded from this warranty are consumable or normal wear items including but not limited to flame guides grates coal bars afterburner hoods fire brick gaskets Additional exclusions for corn stoves are burnpot housing weldment burnpot grate weldment pellet or corn burnpot front plate pellet or corn burnpot front plate lock corn auger extension ceramic insert and ceramic insert plate Additional or unusual utility bills incurred due to any malfunction or defect in equipment and the labor cost of gaining access to or removal of a unit that requires special tools or equipment are not covered Maintenance needed to keep the stove in good operating condition is not covered This includes but is not limited to cleaning adjustment of customer controls and customer education Labor materials expenses and or equipment needed to comply with law and or regulations set forth by any governmental agencies are not covered This Warranty provides specific legal rights and the consumer may have other rights that vary from state to state In the event of change in ownership the remaining portion of this warranty may be transferred to the new owner by sending the new owner information and a transfer fee of 25 00 US to Harman PLEASE READ THE LITERATURE BY THE MANUFACTURER FOR THE VARIOUS ACCESSORY DEVICES THE MANUFACTURER WARRANTS THESE ACCESSORY DEVICES NOT HARMAN OR THEIR WARRANTY ADMINI
50. um Feed Adjuster settings are not needed in most cases Operating in the normal range 4 is recommended when maximum heat output is not required The ESP probe prevents the stove from being over fired Keep the stove free of dust and dirt Fuel Pellet fuels are put into 3 categories in terms of ash content Premium at 1 or less Standard at 3 or less and all others at 3 or more The P68 is capable of burning all 3 categories of pellets due to a patented feeder and burn pot system It should be noted however that higher ash content will require more frequent ash removal scraping of the burn pot and may provide less BTU s per pound Normally standard and high ash pellets cost less than premium pellets and can be cost ef fective when burned in the P68 The moisture content must not exceed 8 Higher moisture will rob BTU s and may not burn properly P68 Pellet Stove 27 28 P68 Pellet Stove P68 Feeder Parts Part No 1 10 06810 PELLET AIR INTAKE ASSY 1 10 67 7121 SLIDE PLATE ASSY 1 10 677154 ULFEEDER CAM BLOCK LONG ASSY 1 10 67 7197 P68 ULFEEDER PUSHER ARM WELDMENT 38X4 Te Ep vr eoe pem PB105 P38 43 PC45 61 68 PF100 HF60 UL FEEDR AIR INT WELD 1 10 724132 ULTRALIGHT FEEDER WELDMENT Y wW mye 0 I 1 01 01 o d 1 gt o 1 gt 01 gt no 03 QJ 04 05 01 m o 04 E 01 01 1
51. with the shields removed due to the hot and moving parts which they protect P68 Pellet Stove 21 Maintenance Cleaning the Door Glass e Always use a soft cloth and glass cleaner such as Windex or a mixture of vinegar amp water to clean the glass Do not use razor blades or any other hard object to scrape the glass Removing Ashes When approximately 1 ton of pellets has been burned it will be necessary to empty the ash pan Ashes should be placed in a metal container with a tight fitting lid The closed container of ashes should be placed on a noncombustible floor or on the ground well away from all com bustible materials pending final disposal If ashes are disposed of by burial in soil or other wise locally dispersed they should be retained in the closed container until all cinders have thoroughly cooled It is recommended that the stove is cold and shut down when removing ash pan 1 Pull on latch handle and remove ash pan Use ash Combustion Blower Cover pan handle to carry and dispose of ashes Latch 2 Slide the ash pan back into the stove and latch the door by pushing down on the latch handle Fig 26 Cleaning The stove should be cleaned after burning ap proximately 1 ton of pellets 50 bags The cleaner the stove the more efficient it will be You will burn Heat Exchanger Fins less pellets and heat output will be greater Note Higher ash content pellets will require more frequent clea
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