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6

PP38+ Pellet Stove

3-90-08422R33_06/13

installing 

Place the stove on a noncombustible type floor or floor protector 

that extends a minimum of 6 inches (152mm) to the front of the 

load door opening, 6 inches (152mm) to the sides of the door 

opening, and 6 inches to the rear. Floor protection must also 

extend 2 inches (51mm) beyond each side of any horizontal flue 

pipe. The minimum floor protector material is 20 gauge sheet 

metal.  Other  floor  protector  materials  are  ceramic  tile,  stone, 

brick, etc.

note for canadian installation only:

  Per  ULC-S627-00, 

If  installed  on  a  combustible  floor,  the  need  to  provide  a 

noncombustible 

floor protector 

covering the area beneath the 

space heater 

and extending at least 17.72" (450mm) on the firing 

side and at least 7.87" (200mm) on the other sides.

In  Canada,  you  may  follow  smaller  U.S.  floor  protection 

requirements onlY if the user agrees to completely shut-

down the appliance, and allow it to cool to where all fire is 

extinguished and the combustion blower and its indicator 

light shuts off, prior to opening the firebox door or ash door.

Place the stove away from combustible walls at least as far as 

shown in Figures 3 and 4. Please note the difference in side wall 

clearance with and without side shields. 

Note that the clearances shown are minimum for safety but do not 

leave much room for access when cleaning or servicing. Please 

take this into account when placing the stove. 

Connect  the  power  cord  to  a  120  V.A.C.  60Hz  grounded 

receptacle. (A surge protector is recommended to protect the 

circuit board.)  Also be sure that the polarity of the outlet that the 

stove is plugged into is correct.

Prior  to  installing  the  flue  pipe,  connect  a  draft  meter.  (The 

draft meter must have a minimum range of 0 - .5") Record the 

first reading. Connect flue pipe to stove and be sure all doors 

and windows in the home are closed.  Record the second draft 

reading_______.  If the second reading is more than .05" lower 

than the first reading, check for possible restrictions or the need 

for outside air (see page 10). For more information on the draft 

test procedure, refer to Page 19.

Mobile home installation

When installing this unit in a mobile home, several requirements 

must be followed: 

1. The unit must be bolted to the floor. This can be done with 1/4" 

lag screws through the 2 holes in the base plate.

2. The unit must also be connected to outside air. See page 9.

3. Floor protection and clearances must be followed as shown.

4. Unit must be grounded to the metal frame of the mobile home.

caution: this appliance must be vented to the outside.

Due to high temperatures, the stove 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 burns to 

skin and/or clothing.

Young children should be carefully supervised when they are in  

the same room as the stove.

Clothing and other flammable materials should not be placed on 

or near this unit.

installation

l

j

Floor Protection 

requirements

US

Canada

Sides

Rear

6" 

200mm

6" 

200mm

K

Front

6" 

450mm

Minimum Size floor protection (USA) is 32

1/2

" wide By 

33" deep (825mm X 838mm).
*  Floor  protection  dimensions  for  the  front  and  sides 

are  measured  from  the  appliance  door  opening  in 

The  United  States.  In  Canada,  the  side  dimension  is 

measured from the widest part of the appliance.

note:

 

Measurement "L" 

is measured from 

the pedestal base 

in the US ONLY

note:

 

Measurement "K" 

is measured from 

the glass in the 

US ONLY

warning

the structural integritY oF the ManuFactured 

hoMe Floor, wall, and ceiling/rooF Must be 

Maintained.

do not install in sleePing rooM.

Fig. 3

9"(228mm)With or w/Out Side Shields

9"(228mm)

9"(228mm) 

Alternate floor protector 

dimension may be used 

as long as they satisfy the 

measurement requirements 

shown below.

M i n u m u m   s i z e   f l o o r 

protection for a corner 

installation hearth pad is 

36" x 36". Clearance shown 

as 9" with optional side 

shields installed.

Fig. 4

2"(51mm)

36"(914mm)

10" (254mm) with 
side shields

16" (406mm) 
without side shields

10" (254mm)

16" (406mm)

j

usa

K

l

j

canada

F

loor

 

protector

Summary of Contents for P38plus

Page 1: ...ermine the need for a permit Cette guide d utilisation est disponible en francais Chez votre concessionnaire de Harman HOME HEATING Model s PP38 Freestanding Pellet Stove NOTICE SAVE THESE INSTRUCTION...

Page 2: ...de pr voir une prise d alr ext rieur L int grit structurale du plancher du plafond et des murs doit tre strictement pr serv e Se reporter aux instructions du fabricant et aux r glementations sp ci que...

Page 3: ...tre plac sous les parties horizontales du tuyau de raccord la chemin e et s tendre 51mm o 2 po au del de la mesure du tuyau Made in U S A of US and imported parts Fabriqu aux tats Unis d Am rique par...

Page 4: ...lified service person Periodic cleaning is required throughout the heating season and at the end of each winter for the stove to work efficiently refer to the maintenance section of this manual WARNIN...

Page 5: ...ions along with all local codes regarding installation of this appliance Do NOT use makeshift compromises when installing this appliance serious consequences may result With any hearth appliance insta...

Page 6: ...he first reading check for possible restrictions or the need for outside air see page 10 For more information on the draft test procedure refer to Page 19 Mobile Home Installation When installing this...

Page 7: ...mbly when measured from the horizontal center line of the regulator I The clearance to service regulator vent outlet must be a minimum of 6 feet J The clearance to a non mechanical air supply inlet to...

Page 8: ...an air tight seal in most cases However in some cases a perfect seal is not achieved For this reason and the fact that the unit operates with a positive vent pressure we specify that the joints also...

Page 9: ...s 15 feet If a longer run is needed the size must be increased to 3 Inlet cover part number 1 10 08542 should be used to keep birds rodents etc out of the pipe You may choose to use the optional Direc...

Page 10: ...n wall pass throughs 1 Preferred method This method provides excellent venting for normal operation and allows the stove to be installed closest to the wall Two inches from the wall is safe however fo...

Page 11: ...provides excellent venting for normal operation This method also provides natural draft in the event of a power failure If the chimney condition is questionable you may want to install a liner as in...

Page 12: ...out rain Be sure to use approved pellet vent pipe fittings Seal pipe joints with silicone or aluminum tape in addition to the sealing system used by the manufacturer Pipe size should be increased to...

Page 13: ...er installation clearances Minimum flue vent configuration It is required that outside air be installed with this venting configuration to reduce smoke and creosote smell in the room in the event of p...

Page 14: ...the stove temperature while in Stove Temp Mode using the inner scale marked from 1 to 7 Mode Selector Allows you to choose between Room Temp Mode Stove Temp Mode or OFF Also allows you to vary the dis...

Page 15: ...he stove will gradually slow down and hold at the minimum burn rate When the house cools down the stove will automatically bring the room temperature to the precise temperature you desire In the Room...

Page 16: ...er and smoke will escape through window and door gaskets Feed Adjuster Knob For most premium grade pellet fuels the Feed Adjuster Knob should be set at 4 If higher ash fuels are used the setting shoul...

Page 17: ...e burn pot When the stove is ignited these scrapings will be pushed out by the feeder and burned 6 The ash pan can hold the ashes from approximately 1 ton of premium fuel This means the ashes will onl...

Page 18: ...onds to pass for the combustion motor to slow before checking the low draft 6 If the low draft is between 25 and 35 record the reading _____ in W C If the reading is lower check for resistance in the...

Page 19: ...leaned Clean the glass with a soft cloth and mild glass cleaner Do not clean the glass when hot and avoid the use of abrasive cleaners Glass replacement Carefully remove all remaining glass and gasket...

Page 20: ...sed they should be retained in the closed container until all cinders have been thoroughly cooled Other waste shall not be placed in this container Cleaning It is recommended that the stove is cold an...

Page 21: ...THE STOVE LIVE PELLETS IF SUCKED INTO THE VACUUM WILL LIGHT THE VACUUM ON FIRE AND MAY ULTIMATELY CAUSE A HOUSE FIRE 9 Use a brush to clean the flue being careful not to damage the ESP probe see Fig 3...

Page 22: ...e of the burn pot Fig 34 3 Lift off the clean out cover Fig 35 to open the bottom clean out chamber Fig 36 4 Clean ash buildup from inside the chamber while cover is off Use the scraper to tap on the...

Page 23: ...in the firebox through a port on the rear of the feeder Poor draft will result in an interruption of power to the feeder motor Poor draft can be caused by blockage in the exhaust excessive build up o...

Page 24: ...tatus blink A 6 blink control 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 Wh...

Page 25: ...6 13 Specifications 33 1 8 10 28 5 8 Weight 212 lbs Blower 135 cfm Feed Rate approximate 75lb to 5 5 lbs per hr Hopper Capacity 50 lbs Fuel Wood Pellets Flue Size 3 inch Outside Air Size 2 3 8 I D inc...

Page 26: ...ary to hold the slate in place on the stove There are 4 decorative slate choices See dealer for samples The Brushed Stainless deer cutout pictured below is another option available This cutout reveals...

Page 27: ...t temperature knob to desired amount Turn mode selector knob onto Room Temp mode After the fire has lit watch that the fuel does not feed too fast that it pushes the red glowing fuel bed off of the bu...

Page 28: ...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 Size Pel...

Page 29: ...1 4 2 3 6 5 9 8 7 WHITE WHITE WHITE WHITE BLUE EMPTY EMPTY PLUGGED BROWN 11 BLACK PART NO 3 90 773869 WHITE 11 PIN PLUG 10 RED GREEN BONDED TO STOVE BODY GREEN WIRE IS GROUND 1 8 3 R U B B E R C O R D...

Page 30: ...of new home construction warranty coverage begins on the date of first occupancy of the dwelling or six months after the sale of the product by an independent authorized HHT dealer distributor whiche...

Page 31: ...y does not cover the following Changes in surface finishes as a result of normal use As a heating appliance some changes in color of interior and exterior surface finishes may occur This is not a flaw...

Page 32: ...826 Y 2 Feeder Assembly Pre SN 008080066 Refer to following page 3 Feeder Assembly Post SN 008080066 Refer to following page 4 Flue Tail Pipe 3 00 247237 Y 5 Auger Motor Cover 2 00 773852P Y 6 Auger M...

Page 33: ...08080066 1 10 7738106A 16 Bolt on Hinge Weldment 2 00 06952B 17 Cast Door Frame 4 00 06800P Cast Door w Glass 1 10 06800A 18 Glass Panel 3 40 950133125 Y Glass Clip w hardware Pkg of 4 Pre 00880001 1...

Page 34: ...amper Assembly 1 10 06466W 2 2 Air Intake Weldment 1 10 773843 2 3 Feeder Weldment 1 10 677150 Y 2 4 Slide Plate Assembly 1 10 08037 Y 2 5 Pusher Arm Assembly 1 10 773890 Y 2 6 Feed Cover and Gasket 2...

Page 35: ...6 Y 3 6 UL Feeder Air Intake 1 10 72222 3 7 Gasket Ultra Air Intake Pkg of 10 3 44 677160 10 Y 3 8 Ultra Feeder Weldment 1 10 724132 Y 3 9 UL Feeder Pusher Arm 1 10 677187W Y 3 10 Fines Deflector No...

Page 36: ...Y Gasket 3 8 Rope White LD Ash Door or Load Door 30 Ft 1 00 00888 Y Gasket Burn Pot Tailpipe Pkg of 5 1 00 07381 Y Gasket Hopper Lid 1 00 00248 Y Hopper Lid W HInge 1 10 08518 Y Labels Caution Danger...

Page 37: ...37 PP38 Pellet Stove 3 90 08422R33_06 13 Service Maintenance Log Date Of Service Performed By Description Of Service...

Page 38: ...ts uncompromising attention to detail and helps preserve our planet by using environmentally responsible fuels Signature of Boxer Your premium quality hearth product designed and assembled by the expe...

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