Owner`s Manual - Hearth & Home Technologies
Contents
1. Shaker Chain Ends Lovver Baffle Plate Figure 5 10 F Accordion Heat Exchanger This cleaning should be done monthly or after each ton of pellets used The frequency of this cleaning will be directly related to the quality and the quantity of the pellets being used Keep in mind that the cleaner the heat exchanger surface is kept the higher the heat transfer efficiency will be Due to its ease of restarting it is recommended that the furnace be OFF and COOL before cleaning Before starting to clean the inside of the firebox area it is recommended that all of the baffling be removed Start vvith the upper heat exchanger baffle Figure 5 8 Remove the firebrick then push straight upvvard on the lovver ash slide angle approximately 1 2 This vvill release the baffle from the positioning brackets and allovv it to be tilted tovvard the burnpot and removed from the furnace Note Observe the positioning tabs and bracket system on the rear of the upper baffle as it is being removed for easier replacement later Remove the lovver baffle plate This baffle is a flat plate that sits on the firebox floor Tip the top edge tovvard the burnpot and lift up and out of the furnace Note how the baffle bottom edge sits behind the ash pan guide and against the heat exchanger Figure 5 9 With all of the baffling removed the entire firebox area2. Figure 4 5 Figure 4 6 IGNITER AUTO MANUAL Figure 4 7 13 Harman PF 120 Owner s Manual R6 2014 08 15 1 If starting after an empty hopper turn Feed Adjuster to TEST for one 60 second cycle This will charge pellets into the auger tube and also allow you to check the motors for operation Figure 4 5 NOTE The auger motor will not operate with the furnace door open 2 Turn Feed Adjuster to 4 If this is your first fire or you are trying different pellets set the feed adjuster to 4 Figure 4 6 This is a conservative number and will probably need to be increased if maximum BTU output is desired After you know a feed rate setting that works well for your application use that setting 3 Flip the Igniter Switch up into the AUTO LIGHT position Figure 4 7 WARNING Fire Risk Do NOT operate appliance With fuel loading or ash removal doors open Burnpot floor open e Cleaning slide plates open Do NOT store fuel e Closer than required clearances to combustibles to appliance e Within space required for loading or ash removal HOT WHILE IN OPERATION KEEP CHILDREN CLOTHING AND FURNITURE AWAY CONTACT MAY CAUSE SKIN BURNS 3 90 08120c F Manual Ignition Lighting the fire manually will not be necessary unless the igniter system fails 1 Flip the Igniter Switch Down into the MANUAL LIGHT position See Figure 4 8 2 Open inner and outer a
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4. facture Date de fabrication 2014 2015 2016 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 235555555555 5 Reva 2 Harman PF 120 Owner s Manual_R6 2014 08 15 3 90 08120c A Safety Alert Key DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury WARNING Indicates a hazardous situation which if not avoided could result in death or serious injury e CAUTION Indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE Used to address practices not related to personal injury Table of Contents 1 Welcome 6 Troubleshooting and Frequently Asked Questions A Congratulations 2 A Error Code Description 21 B Limited Lifetime VVarranty 4 B Frequently Asked Questions 22 C Troubleshooting 23 2 Product Specific and Important Safety Information 7 Reference Materials A Appliance Certification 5 B Glass Specifications Ceramic 5 A Safety Reminders 24 C Electrical Rating 0 5 B Motor and Component Location 25 D BTU amp Efficiency Specifications 5 C Loss of Povver Addendum 26 27 D Contact nformati
5. This cleaning should be done at least once a week although it can be done more frequently The cleaner the heat exchangers are the more efficient the furnace will be This cleaning can be done at any time and in any mode of operation The handle has two directions of movement Right to Left and In and Out All inside surfaces of these rectangular tubes can be cleaned with this range of motion First with the handle pushed in turn the handle right to left the full sweep several strokes Second with the handle pointing straight down pull outand push inward several strokes Third with the handle all the way out turn the handle right to left the full sweep several times End with the handle pushed inward and pointing down The shaker handle should be pushed inward and straight down during normal operation Figure 5 15 Note Fly ash can build up to the top edges of the heat exchanger tubes without affecting operation The chain shaker will cause any excess to fall down into the chamber under the tubes where it can be cleaned out through the fire box Figure 5 16 CLEANOUT OF THE HEAT EXCHANGER FLUE PIPE CHIMNEY AND DRAFT INDUCER IF USED IS ESPECIALLY IMPORTANT AT THE END OF THE HEATING SEASON TO MINIMIZE CORROSION DURING THE SUMMER MONTHS CAUSED BY ACCUMULATED ASH 3 90 08120c Troubleshooting and Freguently Asked Guestions A Error Code Description Status light error messages 2 Blinks Indicates lack of dr
6. documents and product manuals Your new Harman PF 120 Pellet Furnace will give you years of durable use and trouble free enjoyment Welcome to the Harman family Local Dealer Information DEALER Fill in Dealer Name your name address phone and email Address information here and appliance information below Appliance Information Brand Model Name Serial Number Date Installed Listing Label Information Location The model information regarding your specific furnace can be found on the rating plate usually located in the area below the hopper COMBUSTIBLES POUR USAGE DANS LES RESIDENCES Seriaino PP Serial Number FLOOR PROTECTOR He ANOTHER APPLIANCE WARNING DO ope 222 DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE SERVING U S ENVIRONMENTAL PROTECTION AGENCY The modell gang on EPA pr undar 40 CFR bid Wood Heater A xi NE PAS CONNECTER CET APPAREIL A UN TUYAU DE CHEMIN E SERVANT UN AUTRE APPAREIL Made in the USA Fait aux Etats Unis Do Not Remove or Cover This Label Ne pas enlever ou recouvrir ct tiquette 352 Mountain House Road Halifax PA 17032 Manufactured byiFabriqu par Hearth 8 Home Techne PN 2 90 08121
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8. furnace is burning in a normal heating application Service Mode Service mode svvitches control of the furnace to the temp dial The temp dial can be set from 1 to 7 to allovv a steady furnace temperature at the desired level The main purpose of this mode is to operate the furnace vvithout having to go back to the vvall mounted control OFF Mode Turning the mode selector to OFF vvill shut dovvn the fumace 3 90 08120c B Freguently Asked Guestions IS ooo SOLUTIONS 1 Metallic noise 1 Noise is caused by metal expanding and contracting as it heats up and cools dovvn similar to the sound produced by a furnace or heating duct This noise does not affect the operation or longevity of your appliance 2 White ash buildup on glass 2 This is normal Clean the glass using any non abrasive glass cleaner 3 Glass has buildup of black soot 3 Excessive build up of ash See solution 4 The lower burn settings will produce more ash the higher burn settings produce less The more it burns on low the more frequent cleaning of the glass is required 4 Glass has turned dirty 4 Excessive build up of ash The lower burn settings will produce more ash the higher burn settings produce less The more it burns on low the more frequent cleaning of the glass is required 5 Fire has tall flames with black tails and is lazy 5 The feed rate needs to be reduced or the burnpot needs cleaning Heat exchanger or exhaust blower needs cle
9. out burnpot 1 Inspect the red silicone gasket on the back of the burnpot to make sure there is no damage or carbon around the Burn pot hinge Swing plate edges that may cause a poor seal Figure 5 7 Figure 5 5 2 Inspect the sealing surface on the swing plate inside the unit The surface needs to be clean and smooth 3 Do not forget to reinstall the flame guide or the cleanout cover 4 Make sure the burnpot is fully seated with the latch handle down as far as it can go Figure 5 6 Thumb screws CY Red silicone gasket Figure 5 7 17 Harman PF 120 Owner s Manual 2014 08 15 3 90 08120c Upper Baffle P k Ash slide angle Figure 5 8
10. the furnace Lift the handle and use it for carrying the ash pan Close the inner door before disposing of the ashes Disposal of Ashes Ashes should be placed in a metal container with a tight fitting lid The closed container of ashes should be placed on a non combustible floor or on the ground well away from all combustible materials pending final disposal If ashes are disposed of by burial in soil or otherwise locally dispersed they should be retained in the closed container until all cinders have thoroughly cooled Soot and Fly ash Formation and Need for Removal The products of combustion will contain small particles of fly ash The fly ash will collect in the exhaust venting system and restrict the flow of the flue gases Incomplete combustion such as during startup shutdown or incorrect operation of the furnace will lead to some soot formation which will collect in the exhaust venting system The exhaust venting system should be inspected at least twice monthly to determine if cleaning is necessary Inner Door Latches 16 Harman PF 120 Owner s Manual R6 2014 08 15 Outer Door Latches Figure 5 1 Figure 5 2 Figure 5 3 3 90 08120c E Burnpot Maintenance When cleaning the burnpot use the supplied allen wrench to remove any bui
11. www harmanstove com NOTES NOTICE DO NOT DISCARD THIS MANUAL Important operating Read understand and follow e Leave this manual with and maintenance these instructions for safe party responsible for use instructions included installation and operation and operation Printed in U S A Copyright 2012 29 Harman PF 120 Owner s Manual 2014 08 15 3 90 08120c 1 10 99 9S apo lelq d l r pued 3ulAoul l JoJeq JeMod J3 uuo3siCJ N NMVAA TYANYW OLNY 1 YOLOW 0454 ymo NOLLSNEWOD O MOT O SNLWLs Jasi YNOH Ayma vH Buiue 35 noqe sile p 10 9ULUIJUIEN UO 01 095 v px BunuB6i IenuelW noqe uonewioju 10 uone1 do uo uon5 s v s 5 BU JU uey 559 SI WOOJ u ji SHUBI m u L dn uols 1uB6i1 olnv y OL UMOUS 5615 y o sqouy BOBUIN 19470 WINE o d l l y v o o yoeq Ja sn py p wnj UOI eJado 40 1010 N pue Jamojg 40115 2 v x aS L o
12. Access to flue outlet throat Chain N Shaker Handle Figure 5 15 Figure 5 16 Lower cleanout chamber 20 Harman PF 120 Owner s Manual R6 2014 08 15 Clean the flue outlet throat this is the hole that goes up into the flue pipe Figure 5 14 Note The ESP extends into this same area CARE MUST BE TAKEN NOT TO DAMAGE THE ESP DURING CLEANING Clean the inner chamber of the blower housing the furnace blower plate and sealing overlap Figure 5 14 Inspect the tops of the heat exchanger tubes where the chain shaker mechanism is located Make sure there are no fly ash buildups that may block the easy flow of flue gases into the combustion blower inlet hole A flashlight may be necessary Inspect the chain shaker mechanism for proper operation Note Fly ash can build up to the top edges of the heat exchanger tubes without affecting operation The chain shaker will cause any excess to fall down into the chamber under the tubes where it can be cleaned out through the fire box Figure 5 14 nspect flue pipes flue pipe joints and flue pipe seals regularly to ensure that smoke and flue gases are not drawn into and circulated by the air circulation system Tube Heat Exchangers The heat exchanger tubes have an external handle that operates the cleaning mechanism Figure 5 15
13. Control Explanation Power Light Indicates power to the control and is also used during Test to check the Low Fuel Sensor operation LED will blink to indicate battery back up shutdown if applicable Status Light Will be lit in either automatic or service mode when pointer is not within off position band except after normal shut down Low Fuel Light Indicates that fuel in the hopper is low and needs to be refilled Low Fuel LED stays on for 15 seconds after new fuel covers sensor Combustion Blower Light Indicates Power to combustion blower Feed Motor Light Indicates Power to the feed motor Igniter Light Indicates power to the igniter a HARMAN om METER POWER O STAT LOW FUEL gO ZA SERVICE Temp dial The Temp Dial should be in the Normal Setting position except when service work is being done It also allows you to adjust the fire temperature when the Mode Selector is in Service Mode using the scale marked from 1 to 7 Note Due to variations in the electronics of the control board and wall control this is an approximate temperature and may vary 2 Harman PF 120 Owner s Manual R6 2014 __ 08 15 Feed adjuster Sets the maximum feed rate Test Runs all motors at full speed for one minute to check operation After one minute the combustion blower will go to it s min
14. DELINES DO NOT ALLOW INSTALLATION IN A SLEEPING ROOM THE STRUCTURAL INTEGRITY OF THE MOBILE HOME FLOOR WALL AND CEILINGIROOF MUST BE MAINTAINED THE FURNACE IS HOT WHILE IN OPERATION KEEP CHILDREN CLOTHING AND FURNITURE AWAY CONTACT MAY CAUSE SKIN BURNS KEEP COMBUSTIBLE MATERIALS SUCH AS GRASS LEAVES ETC AT LEAST 3 FEET AWAY FROM THE POINT DIRECTLY UNDER THE VENT TERMINATION USE OF IMPROPER FUELS FIRE STARTERS OR ALTERING THE FURNACE FOR HIGHER HEAT OUTPUT MAY CAUSE DAMAGE TO THE FURNACE AND COULD RESULT IN A HOUSE FIRE USE ONLY APPROVED FUELS AND OPERATION GUIDELINES INSPECT FLUE PIPES FLUE PIPE JOINTS AND FLUE PIPE SEALS REGULARLY TO ENSURE THAT SMOKE AND FLUE GASES ARE NOT DRAWN INTO AND CIRCULATED BY THE AIR CIRCULATION SYSTEM 3 90 08120c B Motor and Component Location o Low Draft Pressure Switch mO aR Igniter Feed Motor Circuit Breaker Box UPS Connection NOTE UPS connection only for power failure shut down Combustion Motor PF 120 Pellet Furnace Safety Devices The Control Board ESP combination is responsible for all high limit safety control There are 2 high limits one normal operation high limit and one backup high limit The control has an automatic diagnostic circuit that continuously monitors the ESP and Room Sensor for faults If a faul
15. Harman PF 120 Owner s Manual 2014 08 15 3 90 08120c B Limited Lifetime Warranty HARMAN CENTRAL HEATING PRODUCTS LIMITED WARRANTY Hearth 8 Home Technologies Inc on behalf of its Harman brand HHT extends the following warranty for all Harman furnace and boiler products Products that are purchased from an HHT authorized dealer Warranty Coverage Subject to the conditions exclusions and limitations set forth below HHT warrants to the original owner of the Products and to any transferee taking ownership of the Products at the site of original installation within two years following the date of original purchase that the Products will operate free from defects in material and workmanship under normal conditions and use as described in the operating instructions furnished with the Product during the warranty period described below HHT will at its option repair or replace any Product covered by this warranty that is determined to be defective in material or workmanship Warranty Period The warranty period runs for six years except for mechanical and electrical components which are warranted for three years The warranty period begins on the earlier of i the date of invoice for the Product ii in the case of new home construction the date of first occupancy of the residence or six months after the date of sale of the Product by an HHT authorized dealer whichever occurs first or iii the date 24 months
16. NLY Burning of any other fuel will void your warranty NOTICE Hearth amp Home Technologies is not responsible for furnace performance or extra maintenance required as a result of using fuel with higher ash or mineral content 3 90 08120c E General Operating Information F Main Operating Control 1 Control Calls For Heat The control can be covered or uncovered as shown in Figure The appliance is like most modern furnaces when the control 3 1 There are tabs provided on the cover for each position calls for heat your appliance will automatically light and Simply move the cover to the desired position by placing the deliver heat tabs of the cover in the proper slots When the room is up to temperature and the control is satisfied the appliance will shut down 2 Fan Limit Control This appliance is equipped with a Fan Limit Control switch that operates the fan as the plenum temperature rises and falls The control works independent from the control board DO NOT STORE FUEL OR OTHER COMBUSTIBLE MATERIAL WITHIN THE MARKED INSTALLATION CLEARANCES DO NOT OPERATE WITH FUEL LOADING OR ASH REMOVAL DOORS OPEN HOT WHILE IN OPERATION DO NOT TOUCH DURING OPERATION KEEP CHILDREN CLOTHING FURNITURE AND OTHER COMBUSTIBLE MATERIAL OUT OF THE INSTALLATION CLEARANCE AREA Fire Hazard Keep combustible materials gasoline and other flammable vapors and liquids clear of appliance DO NOT stor
17. Owner s Manual Care and Operation INSTALLER Leave this manual with party responsible for use and operation OWNER Retain this manual for future reference Call your dealer for guestions on Installation Operation or Service NOTICE SAVE THESE INSTRUCTIONS H N BUILT TO A STANDARD NOT A PRICE Model s PF 120 Pellet Furnace We suggest thal our hearth products be installed and serviced by Tested amp Portland Listed By Oregon USA c us OMNI Test Laboratories Inc Tested and approved for wood pellets Burning of any other type of fuel voids your warranty Check building codes prior to installation e Installation MUST comply with local regional state and national codes and regulations Contact local building or fire officials about restrictions and installation inspection requirements in your area 1 Harman PF 120 Owner s Manual R6 2014 08 15 Please read this entire manual before 6 installation and use of this pellet fuel Do not store or use gasoline or other flammable vapors burning room heater Failure to follovv these instructions could and liquids in the vicinity of this or any other appliance result in property damage bodily injury or even death Do not overfire If any external part starts to glow you are overfiring Reduce feed rate Overfiring will void your warranty Comply with all minimum clearances to combustibles as specified Failure to comply may ca
18. aft door lid is open pressure switch is open flue blockage 3 Blinks Indicates that the ESP Exhaust Sensing Probe has gone out of range too many times If the unit seems to be operating normally Perform a manual resef If the code persists you ll need to call a service technician 4 Blinks Can occur only in the Automatic Mode and indicates the Wall Control has failed or is not installed If a Wall control is then installed the status light will automatically reset 5 Blinks In Auto Light Mode Only Indicates that the igniter has failed to light the fire after 4 consecutive 8 minute attempts To reset Turn the Mode Selector to OFF and then back to Automatic 6 Blinks Indicates that the control has calculated poor or incomplete combustion occurring for more than 25 minutes A six blink status may be set if the furnace is allowed to run out of pellets To reset turn mode selector to OFF then back on to the desired mode f the unit vvas not out of pellets see Troubleshooting section for more detalls Manual reset disconnect power at the circuit breaker for a few seconds and reconnect If error still occurs call your Dealer 21 Harman PF 120 Owner s Manual R6 2014 08 15 Mode Selector Allovvs you to choose betvveen Automatic Mode Service Mode or OFF Automatic Mode Automatic mode svvitches operational control of the furnace to the wall mounted control This is the mode to use whenever the
19. and the accordion heat exchanger can be cleaned Use the pointed end of the scraper supplied to clean the accordion heat exchanger A small wisp brush wire brush or an old stiff bristled paint brush works best for cleaning the firebox walls and baffle plates All of the fly ash removed during cleaning will fall to the bottom of the furnace where there is an unobstructed access for cleaning Even the bottom ends of the chains can be seen and accessed easily from the door opening Figure 5 10 Cleanout of the heat exchanger flue pipe chimney and combustion blower fan housing is especially important at the end of the heating season to minimize corrosion during the summer months caused by accumulated ash Harman PF 120 Owner s Manual_R6 2014 08 15 3 90 08120c G Combustion Blovver Chamber Remove the combustion blower heat shield There are two latches that hold the shield in place Figure 5 11 Flip the latches up and pull the shield away from the furnace It can not be fully removed it can only be moved down over the wire until it hangs on the junction box The furnace MUST be OFF and COOL before you should attempt to clean the combustion blower The wire to the combustion blower doesn t need to be disconnected during the cleaning process Loosen the three 3 thumb screws about 4 turns each Figure 5 12 Hold the motor head vvith one hand and the blovver plate handle vvith the other hand Pull outvvard on the plate
20. and tends to cool the appliance thus robbing heat from your home Damp pellet fuel could turn back into sawdust which does not flow properly through the feed system Size Pellets are either 1 4 inch or 5 16 inch 6 8mm in diameter e Length should be no more than 1 1 2 inches 38mm Pellet length can vary from lot to lot from the same manufacturer Performance e Higher ash content requires more frequent maintenance Premium grade pellets will produce the highest heat output Burning pellets longer than 1 1 2 inches 38mm can cause inconsistent feeding and or ignition We recommend that you buy fuel in multi ton lots whenever possible However we do recommend trying different brands prior to purchasing multi ton lots to ensure your satisfaction CAUTION Tested and approved for use with wood pellets ONLY Burning of any other fuel will void your warranty When changing from Premium grade pellets to a Standard or Economy grade fuel the FEED ADJUSTER will likely need adjusted to a lower setting When under maximum demand ensure there is no unburned fuel being pushed into the ash pan Storage Wood pellets should be left in their original sealed bag until ready to use to prevent moisture Do not store fuel within the specified clearance areas or in a location that will interfere with routine cleaning and maintenance procedures Tested and approved for use with wood pellets O
21. aning 6 Smokey start up or puffs of smoke from the airwash 6 Either the burnpot is dirty or there is too much fuel at start up and not enough air 7 Large flame at start up 7 This is normal Flame will settle down once the fire is established 22 Harman PF 120 Owner s Manual_R6 2014 08 15 3 90 08120c C Troubleshooting With proper installation operation and maintenance your appliance will provide years of trouble free service If you do experience a problem this troubleshooting guide will assist a qualified service person in the diagnosis of a problem and the corrective action to be taken This troubleshooting guide can only be used by a qualified service technician FURNACE DOES NOT FEED 1 No fuel in hopper 2 Firebox draft may be too low for sensing switch in feeder circuit to operate Check for closed doors loose or missing gasket on doors or hopper lid 3 Feed motor will not run until the ESP control senses a certain temperature Maybe you did not put enough fuel or starting gel in the burn pot before manually lighting the fire 4 Restriction in the hopper or feeder Remove all fuel and examine Clear the obstruction 5 Feed motor has failed PARTIALLY BURNED PELLETS 1 Feed rate too high 2 Poor air to fuel mixture Check burn pot clean out cover and air intake 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 co
22. are recommended Install a physical barrier such as Adecorative fire screen Adjustable safety gate e Install a switch lock or a wall remote control with child protection lockout feature Never leave children alone near a hot furnace whether operating or cooling down Teach children to NEVER touch the furnace e Consider not using the furnace when children will be present Contact your dealer for more information or visit www hpba org safety information To prevent unintended operation when not using your furnace for an extended period of time Summer months vacations trips etc Unplug furnace from receptacle 6 Harman PF 120 Owner s Manual R6 2014 08 15 B Clear Space WARNING RISK OF FIRE Do NOT place combustible objects in front or to the sides of the appliance High temperatures may ignite clothing furniture or draperies NOTICE Clearances may only be reduced by means approved by the regulatory authority having jurisdiction WARNING RISK OF FIRE Keep combustible materials gasoline and other flammable vapors and liquids clear of appliance Do NOT store flammable materials in the appliance s vicinity e Do NOT use gasoline 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 it is in use as combustible materials may ignite 3 90 08120c C
23. components not Listed or approved Disable safety switches Improper installation adjustment alteration service or maintenance can cause injury or property damage For assistance or additional information consult a qualified installer service agency or your dealer NOTE Hearth amp Home Technologies manufacturer of this appliance reserves the right to alter its products their specifications and or price without notice Harman is a registered trademark of Hearth amp Home Technologies 3 90 08120c General Information A Appliance Safety WARNING DO NOT operate furnace before reading and understanding operating instructions Failure to operate furnace according to operating instructions could cause fire or injury HOT SURFACES Glass and other surfaces are hot during operation AND cool down Hot glass will cause burns DO NOT touch glass until it is cooled NEVER allow children to touch glass Keep children away e CAREFULLY SUPERVISE children in same room as furnace Do not touch during operation High temperatures may ignite clothing or other flammable materials Keep clothing furniture draperies and other flammable materials away Contact your dealer or Hearth amp Home Technologies if the barrier is not present or help is needed to properly install one If you expect that small children or vulnerable adults may come into contact with this appliance the following precautions
24. e 7 2 TIGHTLY CLOSED NS OPERATE THE ELECTRIC FURNACE PERIODICALLY TO ENSURE THAT IT WILL OPERATE SATISFACTORILY WHEN NEEDED MANUAL SERVICE Figure 4 3 Figure 4 4 11 Harman PF 120 Owner s Manual R6 2014 08 15 3 90 08120c D Ignition Cycles WARNING 1 At the beginning of each ignition cycle it is normal to see some smoke in the firebox The smoke will stop once the fire starts Fire Risk Do NOT operate appliance With fuel loading or ash removal doors 2 The distribution blower will automatically turn on after your fan limit control has reached the set temperature open This blower transfers heat from your appliance through Burnpot floor open your duct In Automatic mode however the blower will Cleaning slide plates open turn on and off in accordance to what temperature the Do NOT store fuel fan limit control is reading in the plenum VVhen the vvall control is satisfied the blovver vvill shut dovvn until the vvall control sees a demand for heat Closer than required clearances to combustibles to appliance Within space required for loading or ash 3 Occasionally the appliance may run out of fuel and shut removal itself down When this happens the unit will need to be turned to the off position and restarted If needed follow the instructions in Section A Starting Your First Fire 12 Harman PF 120 Owner s Manual_R6 2014 08 15 3 90 08120c E Automatic Ignition
25. e flammable materials in the appliance s vicinity 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 IT IS IN USE DO NOT BURN GARBAGE GASOLINE DRAIN OIL OR OTHER FLAMMABLE MATERIALS DO NOT USE CHEMICALS OR FLUIDS TO START THE FIRE Combustible materials may ignite Inspect and clean flues and chimney regularly Figure 3 1 9 Harman PF 120 Owner s Manual_R6 2014 08 15 3 90 08120c G Before Your First Fire 1 Make sure your appliance has been properly installed and thatall safety reguirements have been met Pay particular attention to the fire protection and venting instructions 2 Double check that the ash pan and firebox are empty 3 Close the front door H Wall Control The wall control acts like a thermostat a thermister in the wall control is sending temperature information back to the micro processor on the furnace This information is used to determine the need to increase or decrease the size of the fire according to the temperature demand Setting The Room Temperature To set the room temperature simply turn the temperature dial to the desired setting The control and the furnace will then perform to achieve the set temperature Note The minimum temperature you can set with a full counter clockwise knob position is 58 degrees The maxi
26. following the date of Product shipment from HHT regardless of the invoice or occupancy date Warranty Conditions This warranty applies only to Products i installed operated and maintained as recommended in the Product user s manual ii purchased through an HHT authorized dealer iii while remaining at the site of original installation and iv that have not been altered after leaving the factory How to File a Claim Claims must be made within the warranty period to the dealer who sold the Product If that dealer cannot provide the warranty service contact the nearest HHT authorized dealer Additional service fees may apply if you are seeking warranty service from a dealer other than the dealer from whom you originally purchased the Product Travel and shipping charges for parts are not covered by this warranty Warranty Exclusions This warranty does not cover the following 1 consumable and normal wear items including without limitation flame guides grates coal bars afterburner hoods fire brick gaskets paint glass discoloration burnpot housing weldments burnpot grate weldments pellet or corn burnpot front plates pellet or corn burnpot front plate locks corn auger extensions ceramic inserts and ceramic insert plates 2 noise caused by minor expansion contraction or movement of parts 3 damage resulting from i failure to install operate or maintain the Product according to the installation and operating instruct
27. handle until the complete unit comes loose Novv rotate the Figure 5 11 plate counter clockvvise about 1 8 tum This vvill allovv the complete assembly to be removed from the blovver chamber Clean the blovver fan blades and the blovver plate sealing overlap Figure 5 13 Note Be careful not to bend the fan blades this vvill throvv the fan blade out of balance or it may rub the inner chamber which may affect the performance of the furnace Any horizontal and vertical flue pipe directly above the unit should be cleaned at this time Note The horizontal flue pipe directly above the furnace is the first place fly ash will settle due to the slovving of flue gas velocity through horizontal pipe Cleaning of horizontal venting pipes is very important to the efficiency of this furnace Note Inspection maintenance and cleaning of the convection distribution air filter should be done regularly H Distribution Blovver and Air Filter nspect and clean if needed the furnace cold air return distribution blovver and air filter located just below the combustion blovver chamber This area should be inspected monthly or more frequently depending on its installation location If the Air Filter is needing replaced use a 20 x20 x1 Air Filter Harman6 part 3 40 20201 12 Figure 5 12 Sealing Overlap Figure 5 13 19 Harman PF 120 Owner s Manual_R6 2014 08 15 3 90 08120c Sealing overlap Figure 5 14
28. imum speed and remain there This is to allow for low draft voltage adjustment Lighting Mode Selector Switched between Auto and Manual lighting Mode Selector See explanation below Diagnostic Display Port Requires special DDM monitor supplied exclusively to service technicians 3 90 08120c D Fuel Specifications Fuel and Fuel Storage Pellet fuel guality can fluctuate from manufacturer to manufacturer and even from bag to bag Hearth amp Home Technologies recommends using only fuel that is certified by the Pellet Fuels Institute PF1 Fuel Material Made from sawdust and or other wood by products Source material typically determines ash content Higher Ash Content Material Hardwoods with high mineral content e Bark and leaves as source material Standard grade pellets and other bio mass Lower Ash Content Material Softwood pine fir etc e Materials with lower mineral content Premium grade pellets Clinkers Minerals and other non combustible materials like sand will turn into a hard glass like substance when heated Trees from different areas will vary in mineral content For this reason some fuels will produce more clinkers than others DO NOT BURN GARBAGE GASOLINE NAPTHA ENGINE OIL OR OTHER INAPPROPRIATE MATERIALS 8 Harman PF 120 Owner s Manual R6 2014 08 15 Moisture Always burn dry fuel Burning fuel with high moisture content takes energy to dry
29. ion Agency certification under 40 CFR 60 531 y definition Wood Heater A Air to Fuel Ratio Note This appliance is also approved for installation into a shop B Glass Specifications This appliance is equipped vvith 5mm ceramic glass Replace glass only vvith 5mm ceramic glass Please contact your dealer for replacement glass C Electrical Rating 120 VAC 60 Hz Start 9 2 Max Amps 7 5 Amps normal operation NOTE Some generator or battery back up systems may not be compatible vvith the micro processor electronics on this appliance Please consult the power supply manufacturer for compatible systems 5 Harman PF 120 Owner s Manual R6 2014 08 15 D BTU 8 Efficiency Specifications Particulate BTU Output 8 000 120 000 hr Hopper Capacity 160 165 Fuel vvood Pellets Shipping VVeight 580 Ibs BTU output will vary depending on the brand of fuel you use in your appliance Consult your dealer for best results WARNING Risk of Fire Hearth amp Home Technologies disclaims any responsibility for and the warranty and agency listing vvill be voided by the belovv actions DO NOT Install or operate damaged appliance Modify appliance Install other than as instructed by Hearth 8 Home Technologies e Operate the appliance without fully assembling all components Overfire Install any component not approved by Hearth amp Home Technologies Install parts or
30. ions and listing agent identification label furnished with the Product ii failure to install the Product according to local building codes iii shipping or improper handling iv abuse misuse continued operation with damaged corroded or failed components accident or incorrectly performed repairs v environmental conditions inadequate ventilation negative pressure or drafting caused by tightly sealed construction insufficient make up air supply or handling devices such as exhaust fans or forced air furnaces or other such causes vi use of fuels other than those specified in the operating instructions vii installation or use of components or accessories not supplied with the Product or authorized and approved in writing by HHT viii modification of the product not expressly authorized and approved by HHT in writing or ix interruptions or fluctuations of electrical power supply to the Product 4 non HHT components or accessories used in conjunction with the Product 5 the Products capability to heat a desired space information is provided to assist the consumer and the dealer in selecting the proper Product for the application consideration must be given to Product location and configuration environmental conditions insulation and air tightness of the structure or 6 additional or unusual utility bills incurred due to any malfunction or defect in Products Limitations of Liability Repair or replacement in accordance with the p
31. ld up that may have accumulated in the holes of the burn pot grate Make sure all the holes are open and free from encrusted carbon around the edges A special effort should be made to clean the bottom inside corners of the burnpot where the auger tube enters the burnpot Carbon deposits can build up over time in this area that could cause a restriction to the flow of pellets and or cause the pellets to push onto the burn grate area unevenly The three vertical cuts in the burnpot surface Figure 5 4 are there to relieve expansion stress do to the high heat the material sees Some unevenness may occur in this area As long as the holes are kept clean and clear of any blockage this will not effect the operation of the unit Vertical cuts Removing the swing out burnpot Figure 5 4 Make sure the unit is cooled down or cold Remove ash pan Swing the latch handle up until you feel it contact the top of the svving plate Then push upvvard until you see the bumpot svving out Figure 5 5 Pull up on handle 2 Lift the burnpot up off of the swing plate in the unit Remove the flame guide Empty any fines that may have built up under the burn pot grate To do this loosen the 2 thumb screws located on the front of the burnpot and remove the cover The air chamber can be cleaned of any ash that has fallen through the holes during operation and cleaning Figure 5 6 Before replacing the swing
32. lets hardwood 50Hous 0 o T T Burnpot Burning pellets softwood 60 Hours OR x x Glass When clear view of burnpot x y AA 1 PRT Hopper Hopper Lid Gasket Venting System More frequently depending on X the fuel type NOTICE These are recommendations Clean more frequently if you encounter heavy build up of ash at the recommended interval or you see soot coming from the vent Not properly cleaning your appliance on a regular basis will void your warranty 15 Harman PF 120 Owner s Manual_R6 2014 08 15 3 90 08120c D Ash Removal t is recommended to remove the ashes when the furnace is not in operation This lessens the chances of coming in contact with hot surfaces Ashes can be removed while in operation but extra care must be taken Open Outer Ash Door Lift the two latches shown in Figure 5 1 and open the outer door as shown in Figure 5 2 If the Distribution Blower is running when the outer door is open some air will escape around the door opening This is not a problem however any dust that is caused in the ash removal process can potentially be blown around Open Inner Ash Door Lift latches shown in Figure 5 2 and open the inner door as shown in Figure 5 3 NOTE Keep hopper lid and inner door closed during operation and maintain all seals in good condition Remove Ash Pan Always wear gloves to remove ash pan Grab the ash pan by the handle and pull it out of
33. mum temperature you can set with a full clockwise knob position is 90 degrees Wall Control calibration The Normal Setting on the Temp Dial of the Furnace Control See Fig 44 calibrates the Wall Control temperature span If the Temp Dial is not pointing to the Normal Setting the temperature span could vary by 3 degrees up or down depending on the Temp Dial knob setting 10 Harman PF 120 Owner s Manual R6 2014 08 15 DO NOT BURN GARBAGE GASOLINE NAPTHA ENGINE OIL OR OTHER INAPPROPRIATE MATERIALS I Low Fuel Sensor There is a low fuel sensor in the hopper that tells the control that the fuel level in the hopper has dropped below the sensor When this happens the Low Fuel light on the Wall Control will start to blink You then know that it is time to fill the hopper with pellets Note Testing the low fuel sensor can be done by turning the FEED ADJUSTER knob to Test The POWER light will go off when the sensor is uncovered and will light when the sensor is covered again Note The LOW FUEL light on the Furnace Control will light at the same time Only the LOW FUEL light on the Furnace Control will remain lit for three minutes after the sensor is covered with pellets See Note below Note The Low Fuel light indicates that there is power going to the auxiliary leads in the circuit breaker junction box 120 VAC 60 Hz Max 1 Amp The auxiliary power leads could be used if a bulk hopper and auger sys
34. nace installation clearances or within the space required for charging and ash removal 3 90 08120c Reference Material A Safety Reminders When operating your Harman PF 120 Pellet Furnace respect basic safety standards Read these instructions carefully before you attempt to operate the PF 120 Pellet Furnace Failure to do so may result in damage to property or personal injury and may void the product warranty CAUTION This appliance must be vented to the outside Due to high temperatures this furnace should be placed out of traffic and away from furniture and draperies Children and adults should be alerted to the hazards of high surface temperatures and should stay away to avoid burn to skin and or clothing Young children should be carefully supervised when they are in the same room as the furnace Clothing and other flammable materials should not be placed on or near this furnace Installation and repair of this furnace should be done by a qualified service person The appliance should be inspected before use and atleast annually by a qualified service person More frequent cleaning will be required It is imperative that control compartments burners and circulating air passageways of this furnace be kept clean Disposal of ashes Ashes should be placed in a steel container with a tight fitting lid and moved outdoor immediately The closed container of ashes should be placed on a noncombustible floor or on the g
35. nly shut down Your appliance will pulse the blower every few seconds to clear exhaust until the fire is out NOTE The UPS provides safe shut down only It is not intended for continued operation Your appliance will recognize when power is restored What happens depends on ESP temperature In Automatic setting units will respond to the set point and ESP temperature and resume normal operation In Manual setting If the ESP is cool the appliance will remain shut down If the fire is out and the ESP is still warm the feeder may restart Since the fire is out the ESP temperature will not rise The unit will then shut down and may flash a six blink status error See ESP error codes If the fire is still burning it will resume normal operation Contact your dealer if you have questions about UPS compatibility with your appliance CAUTION Always keep appliance doors and hopper lid closed and latched during operation and during power failures to minimize risk of smoke or burn back CAUTION Use only Harman approved battery back up devices Other products may not operate properly can create unsafe conditions or damage your appliance 26 Harman PF 120 Owner s Manual_R6 2014 08 15 3 90 08120c Loss of Power Addendum Cont e 1 v o 3 din Ajddns JI A SAN Jamod UJUM SAN 24 0341 Sbnjd siul sdn IHL WOU YAMOd 31VW uo 2e1d 2 1 v o u6nou
36. ntenance Chart Cleaning or inspection Ash Pan Ash Removal from Firebox 100 120 hours Heat Exchanger 100 120 hours B General Maintenance Types of Fuel The type of fuel you are burning will dictate how often you have to clean your burnpot f the fuel you are burning has a high dirt or ash content it may be necessary to clean the bumpot more than once a day Dirty fuel will cause clinkers to form in the burnpot A clinker is formed vvhen dirt ash or a non burnable substance is heated to 2000 F 1093 C and becomes glass like Cleaning Cycle Meter A cleaning cycle hour meter pictured below keeps track of the total accumulated hours the feeder motor runs not the number of hours the unit is in operation By knowing this you can keep track of how often you need to clean the burnpot and heat exchanger with your brand of pellets Some recommended hourly intervals are 50 hours for the burnpot 100 hours for a complete cleaning After cleaning is completed reset the hour meter by pushing the reset switch located in the upper left hand corner of the control 52801 1 Door Gasket Inspection Prior to heating season Exhaust Path ash build up More frequently depending on R Blower Combustion Exhaust More freguently depending on the fuel type oR 1517 Firebox Prepare for Non Bum Season At end of heating season OR Buming pel
37. ntrol board status indication is caused by poor or incomplete combustion The 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 contributor of creosote which may cause a chimney fire A 2 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 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 blovver fan blades may need cleaned 6 Fuel restrictions as noted above SMOKE SMELL Seal the vent pipe joints and connection to furnace with silicone The exhaust vent is the only part of the system that is under positive pressure FIRE HAS GONE OUT Check for status light No fuel in hopper Draft is too low blocked flue Something is restricting fuel flow Hopper lid not closed properly Feed motor or combustion blower has failed Q 60 N 23 Harman PF 120 Owner s Manual R6 2014 08 15 SMOKE IS VISIBLE COMING OUT OF VENT 1 Air fuel ratio is too rich a Feed rate too high b Draft too lo
38. on 29 3 General Information E Quick Reference Back Page 30 A Appliance Safety 6 B Clear 66 6 AA sum gt Contains updated information E General Operating Information 9 F Main Operating Control 9 G Before Your First Fire ce 10 Wall Control 10 1 Low Fuel Sensor ere a Ep oer sa WA 10 4 Operating Instructions A Starting Your First Fire 11 B Fire Characteristics 11 C Feed Rate Adiustment nstructions 11 Ignition Cycles 12 E Automatic lgnition 13 F Manual Ignition 14 5 Maintenance and Service A Proper Shutdown Procedure 15 B Quick Reference Maintenance Chart 15 C General Maintenance 15 D Ash Removal 16 E Burnpot Maintenance 17 F Accordion Heat Exchanger 18 G Combustion Blovver Chamber 19 H Distribution Blovver amp Air Filter 19 20 1 Tube Heat Exchanger 20 3
39. r should now be on If unit is set to auto mode 6 Once the appliance has ignited letit burn for approximately 7 10 minutes After this time the igniter light should turn Off and the unit should begin to operate per the settings at the control AUTOMATIC NA BE zo SERVICE Figure 4 1 Figure 4 2 B Fire Characteristics A properly adjusted fire has a medium active flame pattern that extends out of the burn pot approximately 6 inches 152mm C Feed Rate Adjustment Instructions The feed adiustment control is factory set at 4 and should be adequate for most fuels Hovvever if the flame height is too high or too lovv you vvill need to adjust the feed rate Wait until the appliance has been burning for 15 minutes before making your adjustments and allovv 15 minutes for feed adiustment to take effect Odors and vapors released during initial operation e Curing of high temperature paint Open windows for air circulation Odors may be irritating to sensitive individuals DO NOT BURN GARBAGE GASOLINE DRAIN OIL OR OTHER FLAMMABLE LIQUIDS HOT WHILE IN OPERATION DO NOT TOUCH KEEP CHILDREN CLOTHING FURNITURE AND OTHER COMBUSTIBLE MATERIAL OUT OF THE INSTALLATION CLEARANCE AREA A WARNING DO NOT OPERATE WITH HOPPER OR ASH REMOVAL DOORS OPEN DO NOT STORE FUEL OR OTHER COMBUSTIBLE MATERIAL WITHIN INSTALLATION CLEARANCE IGNITER AUTOMATIC AREA AUTO 8 FOR SAFETY KEEP FIRING AND ASH PIT DOORS a
40. round well away from all combustible materials pending final disposal Ifthe ashes are disposed of by burial in soil or otherwise locally dispersed they should be retained in the closed container until all cinders have thoroughly cooled Other waste shall not be placed in this container Soot and fly ash Formation and need for removal The products of combustion contain small particles of fly ash The fly ash will collect in the exhaust venting system and will restrict the flow of the flue gases Pellet fuels have different ash contents depending on what type of wood has been used to make the pellets We recommend to clean the system after approximately 1 ton of pellets have been burned and judge from that how often the furnace should be cleaned remember if you change pellets it may change how often you have to clean your furnace When burning wood slowly the potential exists for creosote to form The venting system should be inspected periodically throughout the heating season to determine if a creosote buildup has occurred f a significant layer of creosote has accumulated 3mm or more it should be removed to reduce the risk of a chimney fire f a fire occurs call the fire department shut down the furnace and evacuate the residence Before using the appliance have the venting system thoroughly inspected and replace any damaged components 24 Harman PF 120 Owner s Manual R6 2014 08 15 MOBILE MANUFACTURED HOME GUI
41. rovisions of this warranty will be the owner s exclusive remedy for and will constitute HHT s sole obligation under this warranty under any other warranty express or implied or in contract tort or otherwise No employee agent dealer or other person is authorized to give any warranty on behalf of HHT TO THE EXTENT ALLOWED BY LAW HHT MAKES NO OTHER WARRANTY EXPRESS OR IMPLIED INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE HHT WILL NOT BE LIABLE FORANY CONSEQUENTIAL OR INCIDENTAL DAMAGES ARISING OUT OF DEFECTS IN OR USE OF THE PRODUCTS Some states do not allow exclusions or limitation of incidental or consequential damages so these limitations may not apply to you This warranty gives you specific rights you also may have other rights which vary from state to state The duration of any implied warranty is limited to the duration of the warranty period specified herein L ADOCS JED HHT Warranties Harman Central Heating Products Warranty 6 16 09 CLN 4 Harman PF 120 Owner s Manual_R6 2014 08 15 3 90 08120c 2 Product Specific and Important Safety Information A Appliance Certification STANDARD s UL 391 2010 ASTM E 1509 04 and CSA B366 1 11 NOTE This installation must conform with local codes n the absence of local codes you must comply with the UL 391 2010 ASTM E 1509 04 and CSA B366 1 11 amp UM 84 HUD The PF 120 Pellet Furnace by Harman is exempt from Environmental Protect
42. sh doors as shown in Figures 5 1 thru 5 3 Located in the maintenance and service sections of this manual 3 Fill burnpot with pellets as shown in Figure 4 9 Only fill level with the front edge DO NOT OVERFILL 4 Have matches or other ignition source ready 5 Turn Mode Selector to SERVICE Figure 4 10 IGNITER AUTO Figure 4 8 Figure 4 9 AUTOMATIC gt lt sB A SERVICE Figure 4 10 14 Harman PF 120 Owner s Manual R6 2014 This will start the combustion blower and allow the ESP to control the fire in relation to the Temp Dial setting 1 through 7 Once the fire is well established the Temp Dial can remain on any number setting desired or changed to the AUTOMATIC setting If you change to AUTOMATIC remember to set the Temp Dial to desired temperature NOTE When the Switch is set to Manual Light in the AUTOMATIC mode the wall control will function as in Auto Light except the fire will not be allowed to go out It will only be allowed to go to a minimum burn rate between the times the wall control is calling for heat This rate is about 1 pound of fuel per hour NEVER USE GASOLINE GASOLINE TYPE LANTERN FUEL KEROSENE CHARCOAL LIGHTER FLUID OR SIMILAR LIQUIDS TO START OR FRESHEN UP A FIRE IN THIS FURNACE KEEP ALL SUCH LIQUIDS WELL AWAY FROM THE FURNACE WHILE IN USE 6 Apply starting gel as shown in Figure 4 11 NOTE Stirring the starting gel into the pellets
43. t should occur the control sends a status alert and at the same time the unit goes down to minimum feed minimum burn as a safety condition 25 Harman PF 120 Owner s Manual R6 2014 08 15 The Low Draft Pressure Switch is a differential pressure switch that monitors the negative pressure Draft in the firebox If the draft becomes too low for proper combustion the switch opens cutting power to the feed motor and the igniter circuits This switch is connected into the AC high voltage wiring 3 90 08120c C Loss of Power Addendum Minimizing Smoke During Loss of Power Using Battery Back up Harman strongly recommends installing battery back up to minimize entry of smoke into the room in the event of power loss Your pellet biomass burning appliance relies on a combustion blower to remove exhaust A power failure will cause the combustion blower to stop This may lead to exhaust seeping into the room Vertical rise in the venting may provide natural draft It is however no guarantee against leakage Below are Harman approved battery back up options for your appliance Uninterruptible Power Supply UPS UPS battery back ups are available online or at computer and office equipment stores The APC American Power Conversion model BX1500G and the TrippLite OMNIVS1500 are tested and approved Other brands or models may not be compatible When power is lost a fully charged UPS will power a safe combustion blower o
44. tem were installed see wiring diagram on page 36 Type of Fuel Pelletized wood only Note The lower the ash content of the pellets means less heat exchanger surface cleaning that will be needed The cleaner these surfaces are kept the more efficient the furnace will be 3 90 08120c Operating Instructions A Starting Your First Fire 1 The wall control is required for proper operation of this appliance in Automatic mode At this time fill the hopper with pellets insure the control is set to OFF Figure 4 1 Plug the power cord into a properly grounded nearby outlet 2 Once power is present the unit it will run through a quick diagnostics test to insure the control is operating properly This is normal 3 For your first fire it may be necessary to purge the auger system by putting the feed adjuster knob to Test prior to starting the unit Figure 4 2 This insures that plenty of fuel enters the burn pot for proper ignition DO NOT USE CHEMICALS OR FLUIDS TO START FIRE gt 4 Flip toggle switch to desired mode auto or manual Figure 4 3 Set feed adjuster knob to desired setting and turn mode dial to Automatic or Service Figure 4 4 Feed rate of 4 is a good starting point Adiustments may need to be made depending on fuel quality and or heat output desired Note The igniter vvill not come on until the initial feed charge is complete 5 The fuel feed system and the ignite
45. use house fire HOT SURFACES Glass and other surfaces are hot during operation and cool down Hot glass will cause burns Do not touch glass until it is cooled NEVER allow children to touch glass Keep children away CAREFULLY SUPERVISE children in same room as stove Alert children and adults to hazards of high temperatures High temperatures may ignite clothing or other flammable materials Keep clothing furniture draperies and other flammable materials away NOTE To obtain a French translation of this manual please contact your dealer or visit www harmanstoves com Pour obtenir une traduction fran aise de ce manuel s il vous plait contacter votre revendeur ou visitez www harmanstoves com 3 90 08120c Welcome Read this manual before operating this appliance Please retain this Owner s Manual for future reference Read the Installation Manual before making any installation or finishing changes A Congratulations Congratulations on selecting a Harman PF 120 Pellet Furnace The Harman PF 120 Pellet Furnace you have selected is designed to provide the utmost in safety reliability and efficiency As the owner of a new pellet furnace you ll want to read and carefully follow all of the instructions contained in this ovvner s manual Pay special attention to all cautions and warnings This owner s manual should be retained for future reference We suggest that you keep it with your other important
46. usually allows the fire to become established quicker A vapor flash could occur if too much time is allowed to pass before lighting the starting gel Care must be taken not to get starting gel on your hands or clothing Serious burns could occur during the lighting process Never try to apply more starting gel to an already burning fire or a fire with smoldering pellets 7 Light the starting gel with a match 8 Close the doors The fire will light and the control will adjust the fire to the proper level according to the temperature reading at the wall control Figure 4 11 08 15 3 90 08120c Maintenance amp Service When properly maintained your furnace will give you many years of trouble free service Contact your dealer to answer questions regarding proper operation trouble shooting and service for your appliance Visit www harmanstoves com to find a dealer We recommend annual service by a qualified service technician A Proper Shutdown Procedure A CAUTION WS Shock and Smoke Hazard e Turn unit to the off position let appliance completely cool and combustion blovver must be off Novv you can unplug appliance before servicing Smoke spillage into room can occur if appliance is not cool before unplugging Risk of shock if appliance not unplugged before servicing appliance Follovv the detailed instructions found in this section for each step listed in the chart belovv C Quick Reference Mai
47. w 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 1 Cleaning Burn Pot Whenever your furnace 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 furnace is cold if you use a vacuum Carbon buildup can be scraped loose with the fire burning using the special tool provided with your furnace 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 2 Removing Ashes Turn the Temp Dial to number 1 approximately 30 minutes before removing ashes This will result in a cooler furnace and ash pan Maximum 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 furnace from being over fired Keep the furnace free of dust and dirt Fuel The PF 120 Pellet Furnace is approved for burning any grade of pelletized bio mass fuel 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 The moisture content of pellets must not exceed 8 Higher moisture will rob BTU s and may not burn properly Fuel should not be stored within the fur
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