Harman Stove Company PB 105 Installation & Operating Manual

Text of Harman Stove Company PB 105 User Guide:

• Harman Stove Company PB 105, 22 Fuel and Fuel Storage Pellet fuel quality can uctuate from manufacturer to manufacturer, and even from bag to bag. Hearth & Home Technologies recommends using only fuel that is certied by the Pellet Fuels Institute (PFI). 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 • Bark and leaves as source material • “Standard” grade pellets, corn and other biomass Lower Ash Content Material • Softwood; pine, r, etc. • Materials with lower mineral content • “Premium” grade pellets CAUTION! Do not burn

• Harman Stove Company PB 105, 19  Cold return water temperature (Sustained temperatures below 140 degrees Fahrenheit) will lead to condensation in the rebox. This moisture can lead to creosote formation. To help minimize moisture and creosote, it is strongly recommended that some form of temperature balance is incorporated into the return water system.  All of the pressurized system components shown are not nec- essary. Air v

• Harman Stove Company PB 105, 3 Hopper Lid Latches Hopper Control Board Cover Control Board Combustion Blower Combustion Blower Cover Temperature / Pressure Gauge Pressure Relief Valve Aquastat Well 1-1/4” FMPT Supply 1-1/4” FMPT Return Ash Door Firebox Door Access Cover To Hopper / Swing Plate Knob Access Cover To Secondary Ash Chamber Blank Cover (Removed w/ Domestic Hot Water Option) Vent Pipe 1/2” FMPT Boiler Drain Viewing Glass 

• 10  Fig. 3 Avoiding Smoke and Odors - Negative Pressure, Shut-down and Electrical Power Failure. To reduce the probability of back-drafting or burn back in the pellet boiler during a power failure, it must be able to draft naturally without exhaust blower operation. Negative pressure in the house will resist this natural draft if not ac

• Harman Stove Company PB 105, 7 Design: The rst thing that needs to be done is deciding where and how the boiler will be installed. Things that need to be taken into consideration are the intended use of the boiler for example, is the boiler going to be used as your primary heating system or is it going to be used as a secondary or backup heating system. If it is to be used in conjunction with an existing oil or gas boiler system will it be piped in parallel or in series? The answers to these and other questions can be determined by talking to your certied dealer or a qualied HVAC or plumbing contrac- tor.

•  08/11 IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement parts for your appliance please provide model number and serial number. All parts listed in this manual may be ordered from an authorized dealer.     �

• 24 Setting The Boiler Temperature Without the Outdoor Air Temperature Sensor Installed To set the maximum boiler water temperature, sim- ply turn the Max. Temp. water temperature dial to the desired setting. The control and the boiler will then perform to achieve and maintain the set temperature. The Min. Temp. Knob is the boiler water tempera- ture minimum,

• Harman Stove Company PB 105, 32  Cleaning This cleaning should be done after each ton of pellets used. The frequency of this cleaning will be directly related to the quality and the ash content of the pel- lets being used. Keep in mind that the cleaner the heat exchanger surface is kept, the higher the heat transfer efciency will be. Due to it’s ease of restarting it is recommended that the boiler be OFF and COOL before cleaning. Start by actuating the (3) heat exchanger cleanout rods by pulling and pushing

• Harman Stove Company PB 105, 9 Requirements for Terminating the Venting WARNING: Venting terminals must not be recessed into a wall or siding. NOTE: Only PL vent pipe wall pass-throughs and re stops should be used when venting through combustible materials. NOTE: Always take into consideration the effect the prevailing wind direction or other wind currents will cause with yash and /or smoke when placing the ter- mination. In addition, the following must be observed: A. The clearance above grade must be a minimum of 18”. 1 B. The cleara

• Harman Stove Company PB 105, 29  NOTE: Stirring the starting gel into the pellets usually allows the re to become established quicker. CAUTION: A vapor ash could occur if too much time is allowed to pass before lighting the starting gel. CAUTION: Care must be taken not to get starting gel on your hands or clothing. Serious burns could occur during the lighting process. CAUTION: Never try to apply more starting gel to an already burning re, or a re with smoldering pellets. “NEVER USE GASOLINE, GASOLINE-TYPE LANTERN FUEL, KEROSENE, CHARCOAL LIGHTER

• Harman Stove Company PB 105, 27 4. If Starting After an Empty Hopper, Turn Feed Adjuster to “TEST” (for one 60 second cycle). This will feed pellets into the auger tube and also allow you to check the motors for operation. NOTE: The auger motor will not operate with any of the doors open. 5. Turn Feed Adjuster to #4. If this is your rst re or you are trying differ- ent pellets, set the feed adjuster to #4, This is an average number for most pellets and may need to be adjusted for your particular fuel. After you know a feed ra

•  08/11 IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement parts for your appliance please provide model number and serial number. All parts listed in this manual may be ordered from an authorized dealer.      

• Harman Stove Company PB 105, 13 Outside Air To install outside air, use 2 3/4” I.D.galvanized steel ex pipe, part # 2-00-08544 ( 12’ 6” length) or part # 2-00-08545 ( 25’ length) See Fig. 6. There is a break- away hole on the rear panel which must be removed before connecting the ex pipe. See Fig. 7. When the appliance is side wall vented: The air intake is best located on the same exterior wall as the exhaust vent outlet, and located lower on the wall than the vent outlet. When the appliance is roof vented: The air intake is best located on the exterior wall oriented toward the

• Harman Stove Company PB 105, 34  1. No pellets in hopper. 2. Firebox draft may be too low for low draft pres- sure switch in feeder circuit to operate.  , loose or missing gasket on doors or hopper lid, or a faulty pres- sure switch. 3. Feed motor will not run until the ESP senses 170 deg. F. Maybe you did not put enough pellets in the burn pot before lighting the re manually. 4. Something is restricting ow in the hopper or causing the slide plate to stick. 5. Feed motor has failed. �

• Harman Stove Company PB 105, 14  To install power to the boiler, rst remove the cover on the 4” X 4” junction box located on the back of the unit. There are several knockout holes provided for the incoming main power wires. Also, a knockout hole can be used for the auxiliary output overheat zone (if used). The minimum recommended circuit is 6 AMP - 120 VAC - 60 HZ. This boiler should be the only appliance on the circuit. If a 15 AMP circuit breaker is used at the distribution box, the boiler must be protected with an in-line fuse rate

• Harman Stove Company PB 105, 35  Atmospheric Conversion: Item # 1-00-232200, provides automatic ll, and converts the heating system plumbing from pressurized to a zero pressure system. Allows for installation into more places where codes and standards restrict pressurized systems. Note that when using the atmo- spheric conversion, air bleeders and check valves may actually allow air into the lines. Another reason it is important to have a licensed Plumber involved in each phase of your installation. When using the atmospheric conversion, the circuit board dipswitch #6 must be in the “ON” position. This will lower the overheat te

• Harman Stove Company PB 105, 15 Installing Duct  Cold return water temperature (Sustained temperatures below 140 degrees Fahrenheit) will lead to condensation in the rebox. This moisture can lead to creosote formation. To help minimize moisture and creosote, it is strongly recommended that some form of temperature balance is incorporated into the return water system.  All of the pressurize

• Harman Stove Company PB 105, 43  “105 Series” PELLET BOILER WHITE GREEN Relay enclosure box - GRAINGER # 1EGH7 RED RED WHITE GREEN DPDT RELAY flange mtd. - GRAINGER # 2XCO2 2 4 6 3 1 5 1/2" CONDUIT 8 7 16-3 AWG PVC CORD These cord tails can be made from an inexpensive 16/3 extension cord. Make sure that the MALE end is long enough to reach the receptacle on the UPS. CORD CONNECTOR WHITE BLACK MALE CORD CONNECTOR 16-3 AWG PVC CORD BLACK WHITE GREEN FEMALE RED WH

• Harman Stove Company PB 105,  08/11 IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement parts for your appliance please provide model number and serial number. All parts listed in this manual may be ordered from an authorized dealer.       28.1 6RPM Gear Motor Pre 008341121 3-20-09302  Pellet Feeder Gear Motor, 10RPM Post 008341121 3-20-02524  Feed Motor Fan Blade Pkg of 3 3-20-09302-3  28

• Harman Stove Company PB 105, 42  GREEN/YELLOW DARK BLUE PELLET BOILER WIRING DIAGRAM 4" SQUARE JUNCTION BOX BLACK GREEN/YELLOW WHITE RED RED WHITE GREEN 3/8"FLEX CONDUIT BROWN WHITE WHITE WHITE RED DARK BLUE AUX. OUTPUT (OVERHEAT ZONE) 120 VAC 60 HZ MAIN POWER (SUPPLIED BY OTHERS) WHITE GREEN BLACK RED WHITE BROWN 3/8"FLEX CONDUIT EXHAUST PROBE (ESP) 2 1 OUTDOOR AIR EXTENSION 4 3 6 5 10 9 11 8 PART NO. 3-90-72194A 7 WHITE EMPTY EMPTY RED BLACK YELLOW DK BLUE EMPTY GREEN/YELLOW WIRE IS GROUND BONDED TO STOVE BODY CONTROL BOARD TCP 3 4 1 9 8 11 10 ESP TWISTED WIRE BROWN PLU

• Harman Stove Company PB 105,        �

• Harman Stove Company PB 105, 5  HARMAN™ CENTRAL HEATING PRODUCTS LIMITED WARRANTY Hearth & 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 origi- nal owner of the Products, and to any transferee taking ownership of the Products at the site of original installation wit

• 11 The minimum vent conguration is a 90 o or Tee on a starter collar and a 24” length horizontal through an exterior wall. A cap on the end should direct the ue gasses down and away from the structure. See Fig. 5. The maximum horizontal length is 18 feet. The minimum termination height above the exterior grade is 18”. The maximum total length of an

• Harman Stove Company PB 105, 44  Wood Hearth & Home Technologies, Inc. WARNING: Risk of fire - Do not operate with the flue draft exceeding -.9 in Water Column / -224Pa. ATTENTION: Risque de feu - Ne fonctionnez pas avec l'ébauche deconduite de cheminée excédant -.9 " colonne de l'eau / -224Pa. 

• Harman Stove Company PB 105, 26 1. Turn Mode Selector to “OFF”. This resets the control in addition to turning it off. Starting A Fire Automatically  2. Clean Burnpot with scraper, if necessary. This is usually a weekly maintenance proce- dure. 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 hole grid surface downward into the burn pot. When the stove is ignited these scrapings will be pushed out by the feeder. The illustration at left shows the

• Harman Stove Company PB 105, 12 Chimneys taller than 20’ above the connection will require a draft test to determine if the draft is too high. Note: The high burn draft should not exceed .85 IWC. Some form of a restrictor plate may be required at the top of high chimneys to reduce the draft. See page 21 for the Draft Test procedure. Creosote - Formation and Need for Removal - When wood is burned slowly, it produces tar and other organic vapors, which combine with expelled moisture to form creosote. The creosote vapors condense in the relatively cool chimney ue of a slow-burning re. As a result, creosote residue accumulates on the ue lining. When ignited, this creosote make

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Harman Stove Company PB 105 Installation & operating manual 17-04-2023 40

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