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INSTALLER: Leave this manual with party responsible for use and operation.
OwNER: Retain this manual for future reference.
Contact your local dealer with questions on installation, operation or service.
NOTICE: SAVE THESE INSTRUCTIONS
Model(s):
P43 Freestanding Pellet Stove
P43
Use & Care Video
Service parts list has been removed from this manual.
Refer to Owner's Manual or Individual service parts list.
!
Tested and approved for wood pellets and shelled field
corn fuel only. Burning of any other type of fuel voids
your warranty.
!
Check building codes prior to installation.
• 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
Owner's Manual

Care and Operation

CAUTION
CAUTION
Harman® • P43 Owner's Manual_R24 • 2008 -___ • 04/14
Please read this entire manual before
installation and use of this pellet fuel-
burning room heater.
Failure to follow these instructions could
result in property damage, bodily injury
or even death.
• Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other appliance.
• 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 cause house fire.
wARNING
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 française de ce manuel, s'il
vous plaît contacter votre revendeur ou visitez www.
harmanstoves.com
wARNING
3-90-04301c

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Do you have a question about the P43 and is the answer not in the manual?

Questions and answers

Jim Cacioppo
March 23, 2025

Can I add 2 more firebricks to the back of my P43 stove to reflect more heat to the heat exchanger ?

2 comments:
Mr. Anderson
March 23, 2025

The manual does not mention adding extra firebricks to the back of the Harman P43 stove. It only specifies installing the firebrick horizontally on the angle bracket above the burnpot. Modifying the stove by adding additional firebricks is not recommended, as it may affect performance and safety.

This answer is automatically generated

Jim Cacioppo
March 23, 2025

@Mr. Anderson Ok. Thank you for your quick response

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Summary of Contents for Harman P43

  • Page 1: Care And Operation

    CAUTION NOTE To obtain a French translation of this manual, please Check building codes prior to installation. contact your dealer or visit www.harmanstoves.com • Installation MUST comply with local, regional, state and national codes and regulations. Pour obtenir une traduction française de ce manuel, s’il • Contact local building or fire officials about restrictions vous plaît contacter votre revendeur ou visitez www. and installation inspection requirements in your area. harmanstoves.com Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 2: Welcome

    à la cheminée et s’étendre à 51mm o 2 po. au-delà de la mesure LOOR PROTECTOR DO NOT ReMOVe THIS LABeL / Ne PAS eNLeVeR CeTTe ÉTIQUeTTe du tuyau. P.N. 3-90-04300 Rev E Harman PP38+/P43 Pellet Stove Black Background with bare metal for print-adhesive backed, metal plate. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 3: Table Of Contents

    G. Pellet Feeder Chamber ......21 Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 4: Limited Lifetime Warranty

    Exclusions, and Limitations listed Igniters, electronic components, and glass 2 years Factory-installed blowers Molded refractory panels 3 years Firepots and burnpots 5 years 1 year Castings and baffles Manifold tubes, 7 years 3 years HHT chimney and termination 1 year Burners, logs and refractory years Limited 3 years Firebox and heat exchanger Lifetime All replacement parts 90 Days beyond warranty period See conditions, exclusions, and limitations on next page. 4021-645F 02-18-13 Page 1 of 2 Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 5: Warranty Conditions

    This warranty is void if: • The appliance has been over-fired or operated in atmospheres contaminated by chlorine, fluorine, or other damaging chemicals. Over-firing can be identified by, but not limited to, warped plates or tubes, rust colored cast iron, bubbling, cracking and discoloration of steel or enamel finishes. • The appliance is subjected to prolonged periods of dampness or condensation. • There is any damage to the appliance or other components due to water or weather damage which is the result of, but not limited to, improper chimney or venting installation. LIMITATIONS OF LIABILITY: • The owner’s exclusive remedy and HHT’s sole obligation under this warranty, under any other warranty, express or implied, or in contract, tort or otherwise, shall be limited to replacement, repair, or refund, as specified above. In no event will HHT be liable for any incidental or consequential damages caused by defects in the appliance. 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 may also have other rights, which vary from state to state. EXCEPT TO THE EXTENT PROVIDED BY LAW, HHT MAKES NO EXPRESS WARRANTIES OTHER THAN THE WARRANTY SPECIFIED HEREIN. THE DURATION OF ANY IMPLIED WARRANTY IS LIMITED TO DURATION OF THE EXPRESSED WARRANTY SPECIFIED ABOVE. 4021-645F 02-18-13 Page 2 of 2 Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 6: Product Specific And Important Safety Information

    D. Electrical Rating 115 VAC, 60 Hz, Start 4.2 Amps, Run 2.8 Amps NOTE: Some generator or battery back-up systems may not be compatible with the micro-processor electronics on this appliance. Please consult the power supply manufacturer for compatible systems. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 7: General Information

    • Never leave children alone near a hot stove, whether operating or cooling down. • Teach children to NEVER touch the stove. • Consider not using the stove 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 stove for an extended period of time (summer months, vacations, trips, etc): • Unplug stove from receptacle. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 8: Control Explanation

    Dealers exclusively. vary the distribution blower speed using the inner scale marked from 1 to 7. by turning the knob to the high or low side of each mode. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 9: Fuel Specification

    Trees from different areas will vary in mineral content. For this reason, some fuels will produce more clinkers than NOTICE others. Hearth & Home Technologies is not responsible for stove Moisture performance or extra maintenance required as a result of Always burn dry fuel. Burning fuel with high moisture using fuel with higher ash or mineral content. content takes energy to dry 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. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 10: General Operating Information

    • DO NOT USE CHEMICALS OF FLUIDS TO START THE than if it were set at a higher burn rate. FIRE. • Combustible materials may ignite. Regardless of the burn rate, when the area is warm enough to satisfy the room sensor, the appliance will shut off. E. Before Your First Fire 1. Make sure your appliance has been properly installed and that all safety requirements 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. Figure 3.1 Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 11: Operating Instructions

    4. Flip toggle switch to desired mode “auto or manual”. Figure CAUTION 4.4. Set feed limit knob to desired setting and turn mode dial to “Room Temp” or “Constant burn” Figure 4.5. Note: Odors and vapors released during initial operation. Feed rate of #4 is a good starting point. Adjustments may • Curing of high temperature paint. need to be made depending on fuel quality and/or heat • Open windows for air circulation. output desired. Odors may be irritating to sensitive individuals. 5. The fuel feed system and the igniter should now be on. 6. Once the appliance has ignited, let it 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. Figure 4.2 Figure 4.3 Figure 4.4 Figure 4.5 Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 12: Ignition Cycles

    3. Occasionally the appliance may run out of fuel and shut 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”. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 13: Automatic Ignition

    The 1" ash bed is only at maximum burn rate and during normal operation, the ash bed will be larger. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 14 To kill the fire or stop burning the stove, turn the Mode Selector to “OFF”. This will cause the fire to diminish and burn out. When the fire burns out and the stove cools down everything will stop. If you pull the plug to shut down the stove, all motors will stop. This may cause incomplete combustion and smoke in the firebox. If the load door is opened, the smoke may escape. The best way to shut down the stove is simply let it run out of pellets, then the stove will shut down automatically. This setting will produce continuous maximum heat output with the distribution blower at full speed. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 15: Manual Ignition

    The 1" ash bed is only at maximum burn rate and AwAY FROM THE HEATER, wHILE IN USE. during normal operation, the ash bed will be larger. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 16 NOTE: During the use of this mode, if you keep increasing the temperature dial setting to increase the fire size, the distribution blower will automatically come on when the ESP Temperature reaches 350 F, or 81% output. ° Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 17: Proper Shutdown Procedure

    Firebox - Prepare for Non-Burn Season At end of heating season Burnpot - Burning pellets - hardwood Every 3 bags Burnpot - Burning pellets - softwood Every 5 bags Glass When clear view of burnpot becomes obscure Hopper / Hopper Lid Gasket Every 50 bags of fuel or when changing fuel types Venting System More frequently depending on 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. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 18: Glass Maintenance

    Carefully remove damaged glass, gasket material, and hold down clips (set aside). Install the self adhesive 1/4"” gasket material around the front face of the glass. Set the glass panel and gasket gently onto the door. Install the hold down clips and tighten with bolts. Glass - Cleaning Sometimes it will be necessary to clean accumulated ash from the glass surface; allowing this ash to remain on the glass for long periods can result in “etching” due to the acidity of the ash. Never clean the glass while it is hot, and do not use abrasive substances. Wash the surface with cool water, and rinse thoroughly. You may wish to use a non-abrasive cleaner specifically designed for use on stove glass. In any case, dry thoroughly before relighting your stove. Replace glass only with high temperature mirrored ceramic glass. Inspect door gasket during cleaning and inspection Glass Gasket Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 19: Burnpot Maintenance

    Note: The hot lead/cold lead connection must always be pulled to the rear of the feeder body before operation. Igniter hot lead wires (High temperature) Figure 5.3 Viewed from below through the ash pan opening. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 20: Combustion Blower Chamber

    The exhaust passage may need cleaned as well. Keep in mind the ESP Sensor is located just inside the exhaust Intake Retainer passage Figure 5.7. Be sure not to damage the ESP Sensor Combustion Intake Cover Figure 5.4 while cleaning this area. Exhaust Passage ESP Sensor Pull up on Intake Retainer Figure 5.5 Figure 5.7 Pull and slide to the right Figure 5.6 Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 21: Pellet Feeder Chamber

    NOTE: views are shown with the rear motor covers removed. Feeder clean out cover 5/16" wing Nut Figure 5.9 Pellet Metering Possible pellet fines Slide Plate buildup area. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 22: Troubleshooting And Frequently Asked Questions

    4 Blinks: Can occur only in Room Temp Mode and on to the desired mode. If the unit was not out of pellets, see indicates Room Sensing Probe failed or not installed. If a Troubleshooting section for more details. Room Sensing Probe is then installed, the status light will automatically reset. * Manual reset- disconnect power cord for a few seconds and reconnect. If error still occurs call your Dealer. NOTE: Unit will not start in "AUTO" with this status error. 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.) Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 23: Frequently Asked Questions

    7. This is normal. Flame will settle down once the fire is established. Contact your dealer for additional information regarding operation and troubleshooting. visit www.harmanstoves. com to find dealer. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 24: Troubleshooting

    A 6 blink status may be caused by several things: prevents the stove from being over-fired. 1. Blocked or partially blocked flue. Keep the stove free of dust and dirt. 2. Blocked or partially blocked inlet air. a. Backdraft damper on the inlet pipe may be stuck closed. Fuel b. If outside air is installed, the inlet cover may be blocked. The P43 Pellet Stove is approved for burning any grade 3. The air chamber under the burnpot may be filled with fines of pelletized bio-mass fuel. It is also approved for burning and small bits of ash. shelled corn in a mixture with wood pellets, up to 50%. 4. The holes in the burnpot may be getting filled with ash or It should be noted, however, that higher ash content will carbon buildup.
  • Page 25: Reference Materials

    If a fire occurs, call the fire department, shut down the stove, and evacuate the residence. Before using the appliance, have the venting system thoroughly inspected and replace any damaged components. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 26: Motor And Component Location

    (Draft) in the firebox. If the high limit and one backup high limit. The control has an automatic draft becomes too low for proper combustion, the switch opens, diagnostic circuit that continuously monitors the ESP and Room cutting power to the feed motor and the igniter circuits. This switch Sensor for faults. If a fault should occur, the control sends a status is connected into the AC (high voltage) wiring. alert and at the same time the unit goes down to minimum feed/ minimum burn as a safety condition. Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...
  • Page 27: Loss Of Power Addendum

    Contact your dealer if you have questions about UPS compatibility with your appliance. Harman® Surefire 512H Battery Back-up The 512H connects to a 12 volt deep cycle battery that will run your appliance for up to eight (8) hours. It includes a trickle charge feature that keeps your battery charged when power is available.
  • Page 28: Contact Information

    • Important operating • Leave this manual with a n d m a i n t e n a n c e these instructions for safe party responsible for use instructions included. installation and operation. and operation. Printed in U.S.A. - Copyright 2012 Harman® • P43 Owner’s Manual_R24 • 2008 -___ • 04/14 3-90-04301c...

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