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PLANNING YOUR INSTALLATION 

 

Clearances to combustibles are determined from testing to applicable standards for allow-
able heat transfer. The clearances allowed as shown here, do not take into account opera-
tion or serviceability requirements.

 

PAGE 7 

 
CLEARANCES 

Optima

 

 2 FS and Optima 3 FS 

- Standard residential or 

manufactured (mobile) home installation. These appli-
ances require the following minimum clearances to com-
bustibles: 
 

MINIMUM CLEARANCES TO COMBUSTIBLES  

Manufactured (Mobile) Home  

or Residential Installation 
Horizontal Flue – Di-

rectly Through Wall 

Interior Vertical Flue 

Optima 2 FS 

 

 

Clearance to  

 Combustibles 

 

inch / millimeter

 

inch / millimeter

 

A - Sidewall to unit 

4”

 

/ 102 mm 

4”

 

/ 102 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 

24” / 610 mm 

24” / 610 mm 

E – Flue to Wall 

3” / 77 mm 

3” / 77 mm 

 Measured to fuel hopper lid in alcove. 

 Minimum Alcove Measurements - Height 48” / 1220 mm 

 

Width 31” / 788 mm 

 

Manufactured (Mobile) Home  

or Residential Installation 
Horizontal Flue – Di-

rectly Through Wall 

Interior Vertical Flue 

Optima

 

3 FS 

 

 

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 

16” / 407 mm 

16” / 407 mm 

E – Flue to Wall 

3” / 77 mm 

3” / 77 mm 

 Measured to fuel hopper in alcove. 

  Minimum alcove measurements - Height 48” / 1220 mm 

 

Width 38” / 966 mm 

 

 

Minimum clearances specified may not allow for 
ease of operation and maintenance (please take 
this in to account when planning the installation). 
If installed to the minimum clearances, removal of 
the appliance may be necessary for servicing. 

 

 

Recommended clearance zone from the front of 
the appliance to combustibles is 4 feet minimum. 

 
*  The certified back wall clearance as shown on the 

listing label is 1" (see Safety / Listing Label) but for 
proper hopper lid operation in corner and parallel 
installations a 2" clearance is required. 

 

Rear Wall or Alcove – Optima

 

 2 FS and Optima 3 FS 

 

 

 

Corner - Optima 2 FS 

 

 

 

Corner - Optima 3 FS 

 

 

 * 

 * 

*

 * 

Summary of Contents for Advantage Optima 2 FS

Page 1: ...talling 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 775097M Rev E 12 03 Insert Model Advantage Optima 3 INS not shown Shown with Decorative Log Option RETAIN T...

Page 2: ...inter The blower speed control should be turned to high when operating the stove on the high heat setting 11 CAUTION NEVER PUT FINGERS NEAR AUGER Pellet fuel is fed to the UltraGrate by a screw auger This auger is driven by a high torque motor The auger is capable of doing serious harm to fingers Keep pellets in the hopper at all times and keep fin gers away from auger The auger can start and stop...

Page 3: ...HOUT 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 concern for aesthetics efficiency and our environment We extend our continued support to help you achieve the maximum benefit and enjo...

Page 4: ...bustion air 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 de...

Page 5: ...zontally 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 illus trated on this page Note When installed at clearances less than 6 floor pro tection is only required to extend to the wall Top View o...

Page 6: ...he floor protec tion How thick must this material be The following formulas give the means of determining minimum thickness required TM minimum thickness required for alternate material kM k value per inch of alternate material TL minimum thickness of listed material rM r value per inch of alternate material Using the k formula Minimum k value per Inch Specified min thickness of of alternate mater...

Page 7: ... 48 1220 mm Width 31 788 mm Manufactured Mobile Home or Residential Installation Horizontal Flue Di rectly Through Wall Interior Vertical Flue Optima3 FS 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 16 407 mm 16 407 mm E Flue to Wall 3 77 mm 3 77 mm ...

Page 8: ...ips screen or door tracks and damper assemblies Any fireplace component which is removed must be retained so they can be reinstalled to restore the fireplace to its original operating condition The removal of any part must not alter the integrity of the outer shell of the pre engineered fire place cabinet in any way A Warning Label provided with appli ance must be installed in the fireplace firebo...

Page 9: ...ls ceiling and roof must be maintained NOTE The grounding of this product at installation must comply with NFPA 70 standards CSA C22 1 in Canada as well as any local codes MANUFACTURED MOBILE HOME EXHAUST VENT PIPE INSTALLATION GUIDELINES Use only listed type PL pellet vent pipe Pipe should extend at least 3 feet above the part of the roof through which it passes The top of the pipe should be at l...

Page 10: ...he Insert or Freestanding section which ever applies Determine the appropriate measurements and locations for your installation Follow the general installation directions under Stove Installation and the installation section ap propriate to your stove Be sure to pre fit all items before you install fas ten or set up the stove permanently Prior to lighting your stove Review the Important Warnings s...

Page 11: ...S into corresponding connector on control board Locate damper rod on left side of the Optima 3 INS Ro tate angled arm of rod so it is pointing down Remove damper knob and set aside 7 Install the left hand panel onto the left side of Optima 3 INS body by sliding the 2 flanges on side of panel into corresponding slots on the Optima 3 INS 8 Reach behind left surround panel and rotate damper arm so th...

Page 12: ...panel Optima 3 FS The damper control handle is located on the left hand side panel Optima 3 INS The damper control handle is located on the left surround panel Damper Adjustment It is very important to preset your damper prior to burn ing your pellet stove Damper Air Control Handle Freestanding Units Adjustment Procedure Loosen setscrew on set collar see above picture then adjust in increments unt...

Page 13: ...o the terminals one per terminal Ensure that the purple wires from the harness remain connected to the terminal block and tighten the terminal screws Make sure the wires are firmly con nected to the thermostat 5 Plug in the stove and you are ready to operate with your thermostat IMPORTANT IF THE WALL THERMOSTAT PROVIDED IS NOT USED THE JUMPER IS REQUIRED FOR THE STOVE TO OPERATE PAGE 13 Terminal B...

Page 14: ...tove 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 p...

Page 15: ... 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 to pipe manufacturer s instructions when installing and terminating the exhaust The vent pipe should be horizontal and never run the pipe in a downwa...

Page 16: ...t Total Equivalent Feet 90 o Elbows Tee A G x 5 Ft 1 5m 45 o Elbows C x 3 Ft 1m Horizontal B F x 1 Ft 3m Vertical E 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...

Page 17: ... closer than 2 51mm from the wall NOTE Greater back clearance will improve the ser viceability of the stove 4 Install listed type PL 45 degree elbow with optional rodent screen or cap recommended on outside end of pipe The rodent screen should be no less than 1 2 13 mm mesh and may clog with soot and ash if left unattended during the burn season NOTE The end of the exhaust pipe must extend a minim...

Page 18: ... the furthest wall the vent pipe must maintain a 3 clear ance parallel to the other wall Wall Wall Wall Wall Top View Illustration Top View Illustration 3 75 mm Minimum clearance between wall and pipe If you vent to the furthest wall the vent pipe must maintain a 3 clearance parallel to the other wall 2 2 6 152 mm Minimum 2 51 mm Minimum 12 305 mm Minimum From Outer Wall 45 Degree Elbow Hearth Pad...

Page 19: ...he stove Other options are illustrated below Note See page 15 for Vent Termination Requirements Exterior Vertical Vent Vertical Vent Into A Masonry Flue 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 gases stay warm thus rising at a cons...

Page 20: ...da this appliance requires a full reline when installing into a masonry fireplace In the USA as a minimum the vent connector from the insert flue out let must extend a minimum of 18 above the damper and the damper area must be sealed to prevent dilu tion air from entering the chimney which will affect proper drafting of appliance See the following instructions for acceptable methods for sealing ch...

Page 21: ...of pellet vent pipe is required at the top where exposed to the elements see illustration below Horizontal Vent Direct Vent U S A The insert may be installed as a Direct Vent horizontal vent through the chimney structure in masonry fireplaces if local codes will permit Canada Installing an insert a s a Direct Vent is not allowed The fire place chimney must be fully relined from the insert outlet t...

Page 22: ...a safety precau tion to protect against overheating Blower set tings 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 do...

Page 23: ... stove can be restarted at any time during the cool down mode by pressing 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 re spectively 3 Exhaust blower operation starts medium range volt age ...

Page 24: ... hopper capacity is 50 lb s Feed rates are approximations only Actual feed rate will vary depending on size quality and length of fuel used and variations in line voltage Estimated heat input based on fuel value of 8400 BTU per lb of fuel Your pellet stove can be operated in either manual or automatic mode The manual mode is used when operating without a thermostat The auto matic mode is used when...

Page 25: ...r stove All lights will remain 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 ther mostat the stove will again begin the start up cycle and resume automatic operation in the demand mode NOTE If the stove on off button is pressed while the thermostat is in ...

Page 26: ...y seated will starve the fire for air See Routine Maintenance on page 28 to 33 for information on clean ing 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 the g...

Page 27: ... use of unapproved dirty wet and or high salt content fuel will void the warranty Wood pellets manufactured to the pellet fuels institute P F I certification standard are available in two grades Standard and Premium The primary difference between the two is the ash content of the pellets The P F I specification for standard grade premium grade residential pellet fuel is as follows CHLORIDES Salt L...

Page 28: ...ave not become clogged with ash or clinkers The UltraGrate can easily be cleaned with the grate scraper ash pan tool or it can be removed for cleaning It is very important to monitor the ash build up under the UltraGrate as excessive amounts of ash will block combustion air from entering the grate causing pellets to pile up in the grate The grate cleaning proce dure is the same for all models Ultr...

Page 29: ...TUBES All Models Only Clean Heat Exchanger Tubes When Stove is Cool Tube Scraper After lifting the hopper lid use the hole in the handle of the Grate Scraper Tool to grab onto the rod Using the Grate Scraper Tool pull the rod up and out towards the opening of the firebox Continue pulling until the Tube Scraper reaches the top of the firebox The rod is located on the outside above the door Pull the...

Page 30: ...er as explained in ei ther a or b note it may help to use a mirror and a flashlight to view the filter as shown in the following picture a Using a long soft bristled brush i e artists brush extend it deep into the feed chute and sweep away any pellet fines on right side b Canned compressed air can also be used to re move pellet debris from the photoeye filter use only canned compressed air such as...

Page 31: ... per formed Clean Out Tee Minimum Frequency of 1 2 months ASH CLEAN OUT PORTS Make sure stove is cold Ash clean out ports must be cleaned as part of routine maintenance Accessing Clean out Ports Optima 3 Series Firebrick panels must be removed to access IMPORTANT Clean out cover plates must be in stalled when operating unit Minimum Frequency of 1 2 months Clean Out Tee Rain Cap Remove cover then r...

Page 32: ...o form creosote The creosote vapors condense in the relatively cool chimney flue of a slow burning fire As a result creosote residue accumulates on the flue lining When ignited this creosote makes an extremely hot fire The chimney connector and chimney should be in spected at least once every two months during the heat ing season to determine if a creosote buildup has oc curred If creosote has acc...

Page 33: ... blend REAR STOVE COMPARTMENT All Models 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 vacuumed or wiped out of the rear compartment of the stove room air blower and exhaust blower paying special attention to vacuuming out the intakes of both blowers The elec t...

Page 34: ... 5 Amp 250 volt 3AG Fuse Igniter 6 Amp 125 volt Heat Input BTU s per hour 13 000 32 000 BTU hr Overall Efficiency 75 81 Emissions 0 4 gr hr varies w size and type of fuel EPA ex empt Shipping Weight 215 lbs Room Air Blower 150 CFM 8 Amps 2175 rpm Auger Motor 1 RPM 4 Amps Exhaust Blower 95 CFM 1 0 Amps 2880 rpm Fastfire Igniter 4 35 Amps Options Nickel or Gold Trim Kits 4 Quick Disconnect Log Set B...

Page 35: ...125 volt Heat Input Max 14 000 38 000 BTU hr Overall Efficiency 81 Emissions 9 gr hr varies w size and type of fuel EPA ex empt Ship Weight 270 lbs Room Air Blower 150 CFM 8 Amps 2175 rpm Auger Motor 1 RPM 4 Amps Exhaust Blower 95 CFM 1 0 Amps 2880 rpm Fastfire Igniter 4 35 Amps Options Nickel or Gold Trim Kits 4 Quick Disconnect Log Set BACK VIEW SIDE VIEW Note Dimensions shown are approximations...

Page 36: ...1 32 Minimum Width Back 24 5 8 Minimum Depth 17 3 4 Facing Back of Unit Right Outside Edge of Unit to Center of Rear Flue Outlet 5 Floor to Rear Outside Air Inlet 1 1 2 Facing Back of Unit Right Outside Edge of Unit to Center of Air Inlet 12 7 16 Floor Protection Requirements Front 6 Standard Features Fastfire Self Igniter Wall Thermostat wire in cluded Hopper Capacity 50 lbs Burn time 11 30 hours...

Page 37: ...oom Air Blower jacket and is designed to detect 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 com bustion air inlet the heat from the ex...

Page 38: ...WIRING DIAGRAM PAGE 38 ...

Page 39: ...rized Lennox Hearth Products Technician to evaluate how the installation can be corrected to satisfy the exhaust flow requirements of the appliance 2 Fire goes out or stove shuts down automatically Stove has run out of fuel Pellets are not feeding The high limit disc thermal switch has tripped There is too much combustion air for the amount of fuel Refill hopper See Pellets will not feed this page...

Page 40: ...Excessive sun light may be shining directly into firebox from window Block excessive sunlight Call authorized Lennox Hearth Products dealer if problem persists 7 Stove will not light The igniter element may have failed There is not enough pellets in the grate Check igniter element fuse in rear stove compartment Call your authorized Lennox Hearth Products dealer See alternate manual lighting proced...

Page 41: ...umed The auger feed system will loosen up during this period and begin to feed at a slightly faster rate which may have an impact during the start up routine 3 The igniter works by forcing air from the convection room air blower through 2 holes in the igniter tube and pass ing over the hot igniter probe This hot air is what causes the pellets to ignite It is very important that the convec tion jac...

Page 42: ...Panel Rear Optima 2 FS 12 14750465 Panel Rear Optima 3 FS 13 14750612 Panel Left Side Optima 3 INS 14 14750613 Panel Right Side Optima 3 INS 15 14750617 Panel Top hopper lid Optima 3 INS 16 14650455 Panel Top hopper lid Optima 2 FS 16 14750455 Panel Top hopper lid Optima 3 FS 12051409 Knob Control Panel Door 6 per package w studs Optima 3 INS Includes gasket Electrical Parts Item Part Description ...

Page 43: ...Assembly Optima 2 FS 39 14750410 Scraper Rod Assembly Optima 3 FS INS 40 11756300 Shaft Auger All Misc Item Part Description Stove Model 14650408 Ash Pan Optima 2 FS 14750409 Ash Pan Optima 3 FS 14750603 Ash Pan Optima 3 INS 12151308 Plate Damper Optima 2 FS Optima 3 FS 41 15050058 Filter Photoeye All 14650060 Gasket Photoeye Optima 2 FS 14750060 Gasket Photoeye Optima 3 FS INS 42 61050003 Gasket ...

Page 44: ...REPLACEMENT PARTS DIAGRAMS PAGE 44 5 6 8 10 13 14 9 12 7 11 ...

Page 45: ...REPLACEMENT PARTS DIAGRAMS PAGE 45 15 16 17 19 20 22 24 25 26 27 18 23 ...

Page 46: ...REPLACEMENT PARTS DIAGRAMS PAGE 46 30 37 38 40 41 29 28 33 34 39 31 32 35 ...

Page 47: ...REPLACEMENT PARTS DIAGRAMS PAGE 47 43 44 45 46 47 42 ...

Page 48: ...ptima 3 INS 3 H0443 SKMAO3 Surround Kit Medium 34 x 44 Black Optima 3 INS 3 H0444 SKLAO3 Surround Kit Large 38 x 48 Black Optima 3 INS 4 H0445 STKSAO3 Surround Trim Kit Small 30 x 40 Gold Optima 3 INS 4 H0446 STKMAO3 Surround Trim Kit Medium 34 x 44 Gold Optima 3 INS 4 H0447 STKLAO3 Surround Trim Kit Large 38 x 48 Gold Optima 3 INS 5 H0244 DLS P Decorative Log Set Pellet Optima 2 FS 6 H0464 DLS AO...

Page 49: ...INSTALLATION TIPS PAGE 49 ...

Page 50: ...SIMPLE OPERATING INSTRUCTIONS LABEL PAGE 50 ...

Page 51: ...G LABEL Model Optima 2 FS PAGE 51 Note that your stove s serial number is printed on the safety label which is located near the inside of the hopper Your stove s serial number is preceded by a WH Example WH 0000000 ...

Page 52: ...Model Optima 3 FS and Optima 3 INS PAGE 52 Note that your stove s serial number is printed on the safety label which is located near the inside of the hopper Your stove s serial number is preceded by a WH Example WH 0000000 ...

Page 53: ...E 53 OWNERSHIP RECORDS 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 54: ...1110 West Taft Avenue Orange CA 92865 ...

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