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INSTALLATION 

 

PAGE 10 

VENTING REQUIREMENTS 

It is recommended that only an authorized dealer install 
your pellet stove. The specified installation requirements 
must be followed to ensure conformity with both the 
safety listing of the appliance and local building codes. All 
clearances, installation instructions and precautions 
specified by the vent manufacturer must be followed. 
 

Selecting a Location -

 Review the appliance clearance 

requirements before installing the venting system (see 

Clearances, 

page 6). Position the appliance far enough 

away from walls to allow adequate room for servicing. 
Choose the appliance location with the least amount of 
interference with the house framing, plumbing, wiring, 
etc.

 

 
Preferred Vent Configuration

 – For the best perform-

ance, we recommend a vent run design which runs verti-
cally and terminates above the roofline. This design will 
allow natural draft to improve the flow of flue gases and 
will aid in combustion and stove performance.  
 

Type of Pipe

 – This stove requires type “PL” (pellet vent 

pipe, sometimes referred to as “L-Vent pellet vent”), 
which conforms to UL standard 641. Connect the pellet 
vent pipe or the “tee” to the flue collar using a minimum of 
three screws and seal as specified in “Pipe Joint Re-
quirements” on this page. Do not use class B gas chimney 
or single wall chimney as a substitute. 
 

Size of Pipe -

These pellet appliances are approved for 

use with the following vent sizes: 3” (75mm) standard, or 
4” (100mm). See page 12 for determining correct size 
vent to use. Use a 3” (75mm) to 4” (100mm) adapter 
(Cat. No. 14M81) or a 3” (75mm) to 4” (100mm) “tee” in 
order to run 4” (100mm) pipe. 
 

Offsets -

 In every installation, a single or double clean-

out “tee” is recommended for every ninety-degree offset 
(this tee will help collect ash residue and will allow for 
routine cleaning without the need to disconnect sections 
of pipe).  
 

Note: Offsets and horizontal runs accumulate fly ash and 
soot which reduces the exhaust flow and performance of 
the stove. 

 
Total Offsets in venting system should not exceed 270

°

 

total in direction change.  
 

Horizontal Runs -

 The maximum total horizontal run 

must not exceed 10 feet (3.1 meters). 
 
Horizontal run of pipe requires 1/4” / 7 mm rise per foot. 
 

Pipe Clearances / Requirements

 – See pipe manufac-

turers instructions for installation of venting components 
and clearances. Follow pipe manufacturers installation 
precautions for passing pipe through a combustible wall 
or ceiling (i.e. use an approved thimble). 
 

Notes:  
All pellet vent pipe requires 3” (75mm) clearance from 
outside of pipe unless otherwise specified by vent manu-
facturer. 
 
A support bracket should be installed every 4’ (1.2m) of 
pellet vent pipe on the exterior wall of the house unless 
otherwise specified by vent manufacturer.

 

 

Pipe / Liner Joint Requirements -

 All pipe joints must 

be secured with a minimum of 3 screws. ALL horizontal 
joints must be sealed gas tight. Use RTV silicone with a 
rating of at least 570

°

 F (969

°

 C), or Interam to provide a 

complete seal at the flue collar and on all joints.

 

 
Connection to Masonry Chimney through a Wall - 

Be 

sure to verify the construction of a masonry chimney, as it 
may have combustible framing. 
 
The use of single wall flex or rigid 24 gage stainless steel 
pipe as a liner is approved. 
 

Connection to an Existing Class A Chimney -

 A chim-

ney adapter can be used to make the connection from 3” 
/ 75mm or 4” / 100mm pellet vent pipe to existing UL 
chimney system. Verify with the pipe manufacturer that 
your pipe brands will interconnect. The use of single wall 
flex or rigid pipe (24 gage stainless steel) as a liner is 
approved. 

 
Direct-Vent Installations (Horizontal):

 On all direct-vent 

installations (short, horizontal runs with no vertical pipe); 
care should be taken when choosing a location for termi-
nating the vent. It is not recommended to directly vent the 
exhaust on the prevailing wind side of the house. It is 
recommended that when an appliance is vented directly 
through a wall, a minimum of 8’ (2.5M) of vertical pipe 
should be installed to create some natural draft. This will 
reduce the possibility of smoke or odor entering the 
dwelling during appliance shutdown or loss of power. 

Summary of Contents for Traditions T300P Series

Page 1: ...rder to prevent the possibility of a house fire Please read this entire owner s manual before installing and using your pellet stove Failure to follow these instructions could result in property damage bodily injury or even death Contact your local building or fire officials to obtain a permit and information on any installation requirements and inspection require ments in your area P N 775025M Re...

Page 2: ...asional running on the maximum setting during the coldest periods of the winter The blower speed control should be turned to high when operating the stove on the high heat setting 12 CAUTION NEVER PUT FINGERS NEAR AUGER Pellet fuel is fed to the UltraGrate by a screw au ger This auger is driven by a high torque motor The auger is capable of doing serious harm to fin gers Keep pellets in the hopper...

Page 3: ...eeding the 35 to 1 by weight ratio are exempt from EPA regulations and are non affected facilities PRODUCT IS SUBJECT TO CHANGE WITHOUT NO TICE CONGRATULATIONS ON THE PURCHASE OF YOUR NEW PELLET STOVE MANUFACTURED BY LENNOX HEARTH PRODUCTS When you purchased your new pellet stove you joined the ranks of thousands of concerned indi viduals whose answer to their home heating needs reflects their con...

Page 4: ...ir required 5 Rooms where the installation is not allowed INSTALLATION MAINTENANCE STANDARDS National Fire Protection Association The primary NFPA standard that refers to installation and mainte nance of pellet appliances and venting is NFPA 211 Chimneys Fireplaces Vents and Solid Fuel appli ances Jan 2000 SELECTING A LOCATION The design of your home and where you place your stove will determine i...

Page 5: ...ector extends horizontally over the floor the protection must cover the floor under the connector and at least 2 to either side A noncombustible floor protector must fully cover the area beneath the appliance and extend 6 to the front 6 to the sides and up to 6 from the back as illustrated below Note When installed at clearances less than 6 floor protection is only required to extend to the wall T...

Page 6: ... Flue Directly Through Wall Interior Vertical Flue Model T300P Series Clearance to Combustibles inch millimeter inch millimeter A Sidewall to unit 6 153 mm 6 153 mm B Backwall to unit 2 51 mm 9 229 mm C Sidewall to unit Corner 2 51 mm 2 51 mm D Max Depth of Alcove 18 458 mm 18 458 mm E Flue to Wall 3 77 mm 3 77 mm Measured to outside projection of cast stove top Minimum Alcove Measurements Height ...

Page 7: ...s through A 1 2 rod could pass through but should not be able to touch the pipe when inserted through the opening a distance of 4 inches REMOVING APPLIANCE FROM PALLET 1 After removing the packaging from the stove lift the hopper lid and remove all pre packaged items that were shipped in the hopper Next open the stove door and remove all pre packaged items 2 Remove screws which secure legs to pall...

Page 8: ...sh pan It is very important to preset your damper prior to burning your pellet stove The damper plate contains nine notches spaced in 1 4 increments that aid in positioning see Fig A For initial setup push the damper all the way in when facing the front of the stove in is to the left and out is to the right and slowly pull back three notches see Fig B This setting should provide an adequate air to...

Page 9: ...on 3 Loosen the two terminal screws on the terminal block and remove the jumper 4 Connect the two wires from your thermostat to the terminals one per terminal Ensure that the purple wires from the harness remain connected to the ter minal block and tighten the terminal screws Make sure the wires are firmly connected to the thermo stat 5 Plug in the stove and you are ready to operate with your ther...

Page 10: ... the stove Total Offsets in venting system should not exceed 270 total in direction change Horizontal Runs The maximum total horizontal run must not exceed 10 feet 3 1 meters Horizontal run of pipe requires 1 4 7 mm rise per foot Pipe Clearances Requirements See pipe manufac turers instructions for installation of venting components and clearances Follow pipe manufacturers installation precautions...

Page 11: ...oes not expose people or shrubs to high heat from the exhaust gases The exhaust gases are not hot enough to ignite grass plants and shrubs located in the vicinity of the termination although they should be a minimum of 3 92M away The grade surface un der the termination must not be a lawn F Since sparks may escape from the exhaust pipe of any stove use caution when positioning the vent pipe Refer ...

Page 12: ...Total Equivalent Feet 90 o Elbows x 5 Ft 1 5M 45 o Elbows x 3 Ft 1M Horizontal Pipe x 1 Ft 3M Vertical Pipe x 5 Ft 15M A 90 Degree Elbow E 8 Vertical Pipe B 1 Horizontal Pipe F 2 Horizontal Pipe C 45 Degree Elbow G 90 Degree Tee D Standoff Braces H Wall Thimble NOTE All equivalent pipe styles shown to the right are standard for all freestanding models SAMPLE INSTALLATION CHART Type of Pipe of El b...

Page 13: ...r pushes into the bead of RTV sealer 3 Push the stove with pipe attached towards wall Pipe will go through the wall thimble Do not position the back of the stove closer than 1 25mm from the wall NOTE Greater back clearance will improve the ser viceability of the stove 4 Install listed type PL 45 degree elbow with rodent screen or cap optional on outside end of pipe The rodent screen should be no l...

Page 14: ...ION CONFIGURATIONS Standard Horizontal Installations Note Horizontal run of pipe requires 1 4 7 mm rise per foot Page 14 If you vent to the fur thest wall the vent pipe must maintain a 3 clearance parallel to the other wall ...

Page 15: ...g flue should be sealed with a steel plate Start a vertical run with a Tee at the back of the stove Other options are illustrated below Note See page 11 for Vent Termi nation Requirements Preferred Installation Vertical Vent Through the Roof This venting configuration allows for the best stove performance The vertical pipe promotes natural draft and with the chimney inside the dwelling the flue ga...

Page 16: ...s is a safety precaution to protect against overheating Blower settings can be changed at any time but will only take affect after the start up cycle is complete Fault Mode The control system automatically moni tors the flame using a photoeye If the stove runs out of pellets the control board automatically goes into a fault status The control board will initiate the shut down cycle and safely shut...

Page 17: ...he stove can be restarted at any time during the cool down mode by press ing the ON OFF button once Start up Sequence of Events 1 Fault time delay is initiated 14 minutes 15 seconds 2 Fuel feed rate of 100 for 1 minute 50 seconds when trim left at factory setting of 0 auger trim setting ranges from 1 26 to 2 14 depending on 4 to 4 respectively 3 Exhaust blower operation starts medium range volt ag...

Page 18: ...n op erating without a thermostat The automatic mode is used when utilizing a wall thermostat When utilizing the thermostat capability the burn time can be extended dramatically depending on thermostat setting Note It is normal for some ash to build up on the inner glass sur face at the lower burn settings Initial Start Up Empty Hopper or Feed Tube During an initial start up or in the case where t...

Page 19: ...f your stove All lights will re main on when the thermostat is open The heat and blower settings can be changed at any time but only take affect during the run mode When the temperature in the room drops to the level set at the thermostat the stove will again begin the start up cycle and resume automatic op eration in the demand mode NOTE If the stove on off switch is pressed while the thermostat ...

Page 20: ...ot properly seated will starve the fire for air See Routine Maintenance pages 22 25 for information on cleaning the stove Excessive Combustion Air By closing the damper this will reduce combustion air delivery Symptoms of excessive air include fuel burns too quickly results in smoking or smoldering pellets white to yellow flame etc If the damper is open too much the burning pellets will lift off t...

Page 21: ...owers motors and electronic controls and is not rec ommended Typical approved operation would include running at the low to mid range setting with occasional running on the maximum setting during the coldest peri ods of the winter The blower speed control should be turned to high when operating the stove on the high heat setting A lower heat setting is recommended for over night operation or when ...

Page 22: ...UltraGrate as excessive amounts of ash will block combustion air from entering the grate causing pellets to pile up in the grate The ash build up under the grate is easily dumped into the ash pan by pulling out the ash slide weekly as shown below The grate cleaning procedure is the same for all models UltraGrate Recommended Frequency of 1 day 2 weeks ASH PAN The ash pan will have to be emptied per...

Page 23: ...ass filter secured in place by a bracket and 2 nuts it is on the left when viewed while facing the front of the stove Using a 11 32 nut driver remove the 2 nuts and lift off the bracket Using your finger slide fil ter up and out 2 Wipe away any dust or debris from filter then rein stall filter filter bracket and cover plate with photo eye IMPORTANT When reinstalling photoeye and cover be careful n...

Page 24: ...e opening of the firebox Continue pulling until the tube scraper reaches the top of the firebox It may be easier to clean the tubes by first removing the heat exchanger baffle Loosen the two screws holding the baffle in place do not fully remove The baffle con tains keyhole slots allowing the screws to remain in place while removing the baffle The scraper can now be pulled in a more horizontal man...

Page 25: ...her side of the glass Window Wash Recommended Frequency of 1 year REAR STOVE COMPARTMENT The rear stove compartment should be cleaned periodi cally a minimum of once a year DISCONNECT ELEC TRICAL CORD PRIOR TO CLEANING STOVE Any household dust pet hair or sawdust should be vac uumed or wiped out of the rear compartment of the stove room air blower and Exhaust Blower paying special attention to vac...

Page 26: ... 3AG Fuse Igniter 6 amp 125 volt Heat Input Max 13 000 32 000 BTU hr Overall Efficiency 85 Emissions 0 43 gram hr varies w size and type of fuel EPA exempt Ship Weight 363 lbs Room Air Blower 150 CFM 1 5 amps 2175 rpm Auger Motor 1 RPM 4 amps Exhaust Blower 95 CFM 1 0 amps 2880 rpm Note Dimensions shown are approximations only BACK VIEW SIDE VIEW Non combustible thermal rated floor protection must...

Page 27: ...om Air Blower jacket and is designed to de tect an overfire condition Disc for Combustion Air Inlet This disc is lo cated on the combustion air inlet and is designed to detect reversed flow If negative pressure in the dwelling i e An extremely tight house which may not supply adequate combustion and ventilation air causes the exhaust to pull back from the combus tion air inlet the heat from the ex...

Page 28: ...WIRING DIAGRAM Page 28 ...

Page 29: ...the amount of fuel Refill hopper See Pellets will not feed 3 below Allow stove to cool for 1 hour and re light If the stove has been operating at a medium to high burn rate and the room air blower has been turned down low then the fan should be turned up higher If this problem persists particularly at lower burn rates then the high limit disc should be replaced by your authorized Lennox Hearth Pro...

Page 30: ...ler RTV DO NOT use a standard household vacuum or shop vac as the filters will leak the fine particles of ash Clean the stove with an approved ash vacuum ONLY 6 Stove acts as if a fire is present when there is not a fire in the grate Excessive sun light may be shining directly into firebox from window Block excessive sunlight Call your authorized Lennox Hearth Products dealer if problem persists 7...

Page 31: ...r a complete set of 4 levelers order 2 kits 4 20950100 Rear Panel Assembly 20953006 Trivet Black Electrical Parts Item Part Description 5 12046300 Auger Motor 6 16055150 Control Board 7 12050011 Exhaust Blower combustion fan 8 12146109 Room Air Blower includes gasket and 4 nuts 9 12147705 High Limit Disc 250 DG L250 30F 60T21 Set of three 10 12150213 Igniter Probe 380 W 3 3 A 11 14750404 Photoeye ...

Page 32: ...te Gasket Auger 5pc 23 11756300 Shaft Auger Misc Parts Item Part Description 17150029 Damper Rod Assembly Kit 24 20950110 Gasket Quick Disconnect 25 20950014 Baffle Heat Exchange 27 12055500 Tool Grate Scraper 12121413 Knob Ash Pan 26022H Touch Up Paint Black for enamel 26021H Touch Up Paint Green for enamel 26023H Touch Up Paint Sand for enamel ...

Page 33: ...REPLACEMENT PARTS DIAGRAMS Page 33 1 2 3 4 6 7 8 10 11 12 5 9 ...

Page 34: ...REPLACEMENT PARTS DIAGRAMS Page 34 14 15 16 17 20 21 22 24 25 23 27 13 18 ...

Page 35: ...Optional Accessories Item Catalog Model Description Notes 1 14M16 TT G Trivet Gold Plated Replaces Standard Cast Black Trivet 2 H0252 DLS T30 Log Set 2 Piece 3 14M81 QDPC 4 Quick Disconnect Pipe Connector 4 Required if 4 Pipe is used 70K99 TSPK B Touch up Spray Paint Kit Black Metallic Black 12oz Spray Can 1 2 3 ...

Page 36: ...INSTALLATION TIPS Page 36 ...

Page 37: ...SIMPLE OPERATING INSTRUCTIONS LABEL Page 37 ...

Page 38: ...T300P PELLET STOVE SAFETY LABEL Page 38 Note that your serial number is printed on the safety label located on the back of the stove Your stove s serial number is preceded by a WH Example WH 0000000 ...

Page 39: ...Page 39 Dealer s Name Dealer s Address City State Zip Code Serial Number Date of Purchase Date Installed Notes SERVICE AND MAINTENANCE LOG Service Service Service Date Technician Description ...

Page 40: ...1110 West Taft Avenue Orange CA 92865 ...

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