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Installation & Operating Manual
P68 Pellet Stove Owners Manual
“Ce manuel est disponible en Français sur demande” R3
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.
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,
FOLLOW INSTALLATION DIRECTION
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2 P68 Pellet Stove Evaluation notes were added to the output document. To get rid of these notes, please order your copy of ePrint IV now.
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Introduction The Award-Winning P68 Pellet Stove has the widest BTU range available, giving you 0 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. Th
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IMPORTANT NOTES WARNING DO NOT INSTALL A FLUE DAMPER IN THE EXHAUST VENTING SYSTEM OF THIS DO NOT INSTALL IN SLEEPING ROOM UNIT. CAUTION DO NOT CONNECT THIS UNIT TO A THE STRUCTURAL INTEGRITY OF THE CHIMNEY FLUE SERVING ANOTHER MOBILE HOME FLOOR, WALL, AND APPLIANCE. CEILING/ROOF MUST BE MAINTAINED. Mobile home installation should be done in CAUTION accordance with the Manufactured Home KEEP COMBUSTIBLE MATERIALS (SUCH and Safety Standard (HUD), CFR 3280, AS GRASS, LEAVES, ETC.) AT LEAST
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Assembly and Installation Unpacking 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 cov
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Installation Installing Place the stove on a noncombustible floor pro- tector that extends a minimum of 6 inches to the front, 9"-13" 2 inches to the sides and flush with the rear of the hopper. See Fig. 6.The minimum floor protector ma- terial 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. Please note the difference in side wall clearance with and without sid
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Venting Requirements for Terminating the Venting I. The clearance to service regulator vent outlet WARNING: Venting terminals must not be re- 1 must be a minimum of 6 feet. cessed into a wall or siding. J. The clearance to a non-mechanical air sup- NOTE: Only PL vent pipe wall pass-throughs ply inlet to the building or the combustion air inlet to and fire stops should be used when venting through 1 any other appliance must be a minimum of 48”. combustible materials. K. The clearance to a mechani
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Venting IMPORTANT NOTICE Venting Pellet Vent Pipe or PL Vent Pipe Must Be Used. A combustion blower is used to extract the com- bustion gases from the firebox. This causes a nega- tive pressure in the firebox and a positive pressure 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 as few elbows as pos- sible and 15 feet or less of vent pipe. The maximum horizontal run
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Venting Outside Air Here are four benefits of outside air: Outside air flex pipe 1. Having air introduced from outside the living area goes here. 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. Flex pipe part# 2-00-08543 (3') Outside air is optional except in mobile 1-00-08543 (25') homes and where bu
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Venting #1 Preferred method This method provides excellent venting for nor- mal operation and allows the stove to be installed 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 fail- ure. Note: Do not place joints within wall pass- 3 ft. throughs. to combustibles Combustibles allo
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Venting #4 Installing into an existing chimney ( US only ) This method provides excellent venting for nor- mal 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. *The 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 st
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Venting #6 Installing into an existing fireplace chimney ( US and Canada) This method provides excellent venting for nor- mal operation. This method also provides natural draft in the event of a power failure. In Canada and some places in the US 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 approved pellet vent pipe fittings. Seal pipe joints with silicone or aluminum
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Venting Storm collar 12" min. Flashing 3" min. 3" min. 3" min. PL vent manufacturer's firestop spacer and No insulation or Minimum flue vent support other combustible configuration materials are allowed within 3" of It is recommended that outside the PL vent pipe. air be installed with this venting configuration to reduce smoke and creosote smell in the room in the event of power failure. 3" min. (See Page 5 for corner installation clearances) Fig. 14 #8 Installing through the ceiling Fig. 15 Th
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P68 AUTOMATIC IGNITION/OPERATION The P68 is a fully automatic stove that features Room Temperature Mode two 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. In the Room Temperature Mode the stove constantly monitors the temperature in the room and adjusts the size of the fire and the heat output of the stove so that the room is kept at a consta
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P68 AUTOMATIC IGNITION/OPERATION Stove Temperature Mode Shut Down Procedure In the Stove Temperature Mode and with the igniter The best way to shut down the stove is simply let it run toggle switch in the Auto position, the stove will light out of pellets, the stove will shut down automatically. automatically and can be adjusted to the desired setting Alternatively, you can turn the Mode Selector to “off”. using the same temperature control dial as is used in This will cause the fire to gradua
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P68 AUTOMATIC START UP 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. See Note 7. NOTICE: Fig. 17 Flame Guide 1" When power is given to the stove, the control board will blink a few times to indicate current version of control board. 1. Turn Mode Selector to "OFF". 1 2. Fill hopper with pellets. 5 3. Clean burn pot with scraper, if necessary. Fig. 18 4. If starting aft
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P68 MANUAL IGNITION/OPERATION The P68 Pellet Stove is capable of manual operation. This also allows the operator to manually control operation during an emergency (i.e. igniter failure, when using a 502H battery backup, or when using certain generators.) The unit can be switched between "AUTO" and "MANUAL" at any time during operation. NOTE: When starting the unit in the "AUTO" mode and switching to "MANUAL", the fire must Room Temperature Mode: This be large enough to start the distribution
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P68 MANUAL START UP Starting First Fire Igniter Switch to"MANUAL" Fig. 20 (down position) Make sure the unit is plugged into a 120 VAC, 60 HZ electrical source. The power light should be the only light lit. Fig. 19 1. Turn FEED ADJUSTER to desired feed rate. See Note 7. 4 No. 4 is good for most pellets. 1" 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. 5 4. Clean b
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P68 AUTOMATIC IGNITION ESP CONTROL Feed adjuster Power Light Sets the maximum Indicates power to the feed rate control. Test Runs all motors at full speed for one minute Status Light to check operation. Will be lit in either stove After two minutes the or room temp mode when stove will go to pointer is not within off minimum burn and position band except the blowers will after normal shut down. alternate from high to Blinks to indicate errors low every minute to listed below. remind you tha
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P68 Low Draft Voltage Adjustment C o m b u s t i o n Motor Speed Control Low draft only set point. The small straight screwdriver slot is plastic; therefore, the unit can be adjusted while in Draft Meter bolt operation. hole location On a P68 the draft test hole is under the left rear corner of the firebox. Fig. 23 Fig.22 Fig.1 Low Draft Voltage Adjustment These units are pre-tested at the factory with A simple draft test should be performed after exactly 120 Volts A.C., 60 Hz. They are c
