Lennox Hearth MPD35ST-NE User's Manual
Contents
1. smell gas STOP Follow B in the safety information 3 Open lower control compartment door above on this page If you do not smell gas go to the next step 4 Verify main line shut off valve is open 1 Turn the OFF ON switch to ON Do not force Honeywell Electronic Gas Control Valve ON OFF Switch 8 Turn ON all electrical power to appliance remote wall or appliance switch 9 Close lower control compartment door TO SHUT OFF 1 Turn off all electrical power to the appliance remote wall switch TO TURN OFF GAS TO APPLIANCE 1 For complete shut down turn remote wall switch to 3 Turn the OFF ON switch to OFF Do not force OFF 4 Close the main line shut off valve 2 Open lower control compartment door 5 Close lower control compartment door MAINTENANCE SCHEDULE Annually Before the onset of the Burning Season MAINTENANCE TASK ACCOMPLISHING PERSON PROCEDURE Inspecting Cleaning Burner Logs Qualified Service Technician Inspect valve and ensure it is properly operating Check piping and Controls for leaks Vacuum the control compartment fireplace logs and burner area Check Flame Patterns and Flame Qualified Service Technician Refer to Figure 13 on Page 9 and verify the flame pattern and Height height displayed by the appliance conforms tothe picture Flames must not impinge on the logs Ensure flames are steady not lifting or f2. Optional Kits Installed OFF ON wall switch wall thermostat or remote control receiver Note Turn the appliance mounted OFF ON burner control switch to the OFF position if any of these kits are installed Figure 17 Electronic Wiring Diagram Honeywell Showing Blower Wiring for Optional FBK 100 FBK 200 amp FBK 250 Kits Schematic Representation Only Auxiliary View A J Box Wiring when using unit mounted relay module Optional Blower K OFF ON Switch Integral with Gas Valve Pilot Burner Assembly BK BLACK BL BLUE W WHITE Optional Control Switch R RED W G GREEN Field Wired Factory Wired Figure 18 WARRANTY Your gas appliance is covered by a limited twenty year warranty You will find a copy of the warranty accompanying this manual Please read the warranty to be familiar with its coverage Retain this manual File it with your other documents for future reference PRODUCT REFERENCE INFORMATION We recommend that you record the following important information about your fireplace Please contact your Lennox dealer for any questions or concerns For the number of your nearest Lennox dealer please call 800 731 8101 Your Fireplace s Model Number Your Fireplace s Serial Number The Date On Which Your Fireplace Was Installed The Type of Gas Your Fireplace Uses Your Dealer s Name NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Wall Mounted Blower Sp
3. LENNOX HEARTH PRODUCTS WARNING IF THE INFORMATION IN THIS MANUAL IS NOT FOLLOWED EXACTLY A FIRE OR EXPLO SION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE FOR YOUR SAFETY Do not store or use gasoline or other flammables or liquids in the vicinity of this or any other appliance FOR YOUR SAFETY What to do if you smell gas DO NOT light any appliance DO NOT touch any electrical switches Do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow your gas suppliers instructions If your gas supplier cannot be reached call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier HOMEOWNER S CARE AND OPERATION INSTRUCTIONS DIRECT VENT SEE THROUGH MERITO PLUS SERIES DIRECT VENT GAS FIREPLACE HEATERS P N 875 025M REV NC 04 2005 MODELS Millivolt Models Electronic Models MPD35ST NM MPD35ST NE MPD35ST PM RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE A French manual is available upon request Order P N 875 025CF Ce manuel d installation est disponible en francais simplement en faire la demande Num ro de la pi ce 875 025CF NATIONAL FIREPLACE INSTITUTE NFI CERTIFIED www nficertified org We recommend that our gas hearth products be installed and serviced by profes sionals who are certified in the U S by the National Fireplace In
4. LENNOX HEARTH PRODUCTS 1110 West Taft Avenue Orange CA 92865 11 12 ACCESSORY COMPONENTS Product Reference Information Cat No Model Ship Ship Weight Volumn H3201 MPD35ST NM 220 lbs 46W x 26D x 43H 30 cu ft H3202 MPD35ST PM 220 lbs 46W x 26D x 43H 30 cu ft H3203 MPD35ST NE 220lbs 46W x 26D x 43H 30 cu ft LENNOX 50 60 70 80 90 alie Wall Thermostat Millivolt 89L36 WTK Wall Thermostat Kit White Wall Thermostat The wall thermostat kit provides temperature control for optimum comfort 85L87 FWSK OFF ON Wall Switch Kit OFF ON Wall Switch Kit The OFF ON wall switch kit may be used to control the operation of the fireplace burner Install the OFF ON wall switch in a convenient location near the fireplace Remote Control Kit Standard RCL Remote Control System Standard ref Form 750 127M Standard Remote Control System The Model RCL Standard Remote Control System features a simplistic OFF ON control function for the fireplace This model includes a hand held transmitter a remote receiver with wall mount cover plate and all hardware required to install the unit The remote receiver can be wall or hearth mounted The transmitter has ON and OFF functions that are activated by pressing either button on the face of the transmitter When a button on the transmitter is pressed a signal light illuminates briefly to verify that a signal has been sent Th
5. 10 0 WC dit Table 5 Test gauge connections are provided on the front ofthe millivolt gas control valve identified IN for the inlet and OUT for the manifold side see Figure 2 on Page 4 A 1 8 NPT Test gauge connection is provided at the inlet and outlet manifold ports on the electronic gas control valve see Figure 3 on Page 5 These appliances must be isolated from the gas supply piping system by closing their individual manual shut off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 3 5 kPa These appliances and their individual shut off valves must be disconnected from the gas Supply piping system during any pressure testing of that system at pressures greater than 1 2 psig 3 5 kPa Orifice Sizes Sea Level to High Altitude All Models These appliances are tested and approved for installations at elevations of 0 4500 feet 0 1372 meters above sea level using the standard burner orifice sizes marked with an in Table 6 At the time of installation it must be determined if the appliance needs to be derated Contact yourlocal gas supplier for deration requirements for your area Deration At higher elevations the amount of BTU fuel value delivered must be reduced by either using gas that has been derated by the gas company or by changing the burner orifice to a smallersize as regulated by the local authorities having jurisdiction
6. glass separately These are direct vent appliances They are designed to operate only when the front glass enclosure panel is installed Generally the front glass enclosure panel should not be removed except to gain access to the components within the firebox and the appliance may only be oper ated without the front glass enclosure panel in place for very brief periods of time during appliance checkout and adjustment Note The flame appearance will be diminished while the front glass enclosure panel is removed During this appliance checkout and adjust ment period a potential safety hazard exists EXERCISE EXTREME CAUTION to prevent the occurrence of any burn injuries from the exposed flames or hot surfaces Also note that while the front glass enclosure panel or any of the panels is removed the flame appearance will appear to be smaller than normal Bottom Vee flange Glass Door Firebox Floor Glass Door Latch Figure 4 INSTALLING GLASS DOOR NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Removing Glass Enclosure Panels see Figure 4 1 Remove the top louver assembly or radiant panel by pulling it out and off 2 Open the control compartment access panel by actuating the spring loaded magnetic catches securing the panel gently depress the outer top corners of the louvered or radiant panel until the catches pop the door free allowing itto swing out and down to the open position 3 Locate the
7. 11 Product Reference Information Page 11 Accessory Components Page 12 Lighting Instructions Millivolt Page 15 Lighting Instructions Electronic Page 16 Maintenance Schedule Page 17 Troubleshooting Guide Millivolt Page 18 Troubleshooting Guide Electronic Page 18 Replacement Parts List Page 20 INTRODUCTION The Fireplace models covered in this manual are Direct Ventsealed combustion gas fireplace heaters designed for residential application Direct Vent appliances operate with the com bustion chamber completely isolated from the indoor environment All air for combustion is brought in from the outside and exhaust gases are vented through the same direct vent co axial intake exhaust vent system The Millivolt appliances have a millivolt gas control valve with piezo ignition system provides safe efficient operation If any optional acces sories which require electrical power are being installed the electrical power must be provided at the time of appliance installation The Electronic appliances have an electronic intermittent pilot system provides safe efficient operation External electrical power is required to operate these appliances These appliances comply with National Safety standards and are tested and listed by OMNI Test Laboratories Inc Report No 116 F 28 5 to ANSI Z21 88a 2003 in Canada CSA 2 33a 2
8. and by the USA National Fuel Gas Code NFPA 54 ANSI 7223 1 latest edition or in Canada the CAN1 B149 1 and 2 codes latest edition Burner Orifice Sizes all models Natural Propane Gas Gas drill size inches drill size inches 1 55 mm 061 42M7901 o Elevation Feet meters 0 4500 37 104 0 1372 24M1001 e Standard size installed at factory e Part Cal Number Table 6 Burn in Period During the first few fires of this appliance there will be some odor due to the curing of the paint and burning off of lubricants used in the manufacturing process Depending on your use the burn in period may take a few hours or a few days KEEP YOUR HOUSE WELL VENTILATED DURING THE CURING PROCESS THE ODOR AND HAZE EMITTED DURING THE CURING PROCESS CAN BE QUITE NOTICEABLE AND MAY SET OFF A SMOKE DETECTOR If an optional blower is installed Do not turn it on during the Burn In period A white film may develop on the glass front during the first few fires as part of the curing process The glass should be kept clean during thefirsttwo weeks of use to preventthe film from baking on making it very difficult to remove see Cleaning Glass on Page 5 i A WARNING y If the information in this manual is not followed exactly a fire orexplosion may result causing prop erty damage personal injury or loss of life A WARNING Failureto comply with the instal lation and o
9. appliance In addition to providing an aesthetically pleasing appearance to your appliance installation the hood reduces heat effects to decorative mantles and finish materials located above the fireplace opening The hood kit replaces the standard hood that comes with these appliances and snaps into place These kits can be retrofitted to previously installed appliances 4 Piece Door Trim Kits 26M82 4DFK35PB Door Trim Polished Brass 26M85 4DFK35BS Door Trim Brushed Stainless ref Form 750 098M Door Frame Kits A decorative door frame kit is available for use with these appliances It is designed to attach directly to the front face of the appliance at the four edges of the glass enclosure panel resulting in the appearance of a picture frame ref Form 750 101M Screen Heat Guard Kit This easy to install optional screen heat guard installs over the standard glass enclosure panel to provide protection from the hot glass surface These screen heat guard panels cannot be used in conjunction with the arch door kits or door frame kits Order 2 if a set is desired for front face and rear face glass surfaces Forced Air Kit The FBK 100 blower provides constant velocity forced air circulation The FBK 200 assembly with variable speed wall mountable switch provides variable speed forced air circulation The FBK 250 assembly with variable speed unit mountable switch also provides variable speed forced a
10. as detailed in this manual Check Flame Patterns and Flame Homeowner Refer to Figure 13 on Page 9 and verify the flame pattern and Height height displayed by the appliance conformsto the picture Flames must not impinge on the logs Checking Vent System Homeowner Inspect the vent system at the top and at the base within the firebox for signs of blockage or obstruction Look for any signs of dislocation of the vent components Cleaning Front Glass Enclosure Panel Homeowner Clean as necessary following the directions provided in this manual DO NOT TOUCH OR ATTEMPT TO CLEAN GLASS WHILE HOT TROUBLESHOOTING Note Before troubleshooting the gas control system Ensure external gas shut off valve located at gas supply inlet and wall switch iff applicable is in the ON position Important Valve system troubleshooting should only be accomplished by a qualified service technician TROUBLESHOOTING GUIDE MILLIVOLT GAS CONTROL SYSTEM SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 1 Spark igniter will not light pilot after A Defective igniter Check for spark at electrode and pilot if no spark and repeated triggering of igniter button no spark at electrode electrode wire is properly connected replace igniter B Defective or misaligned electrode at pilot Using a match light pilot If pilot lights turn off pilot spark at electrode and trigger the igniter button again If pilot lights an improper gas mixture caused the
11. bad lighting and a longer purge period is recommended If pilot will not light check gap at electrode and pilot should be 1 8 to have a strong spark If gap measures 1 8 replace pilot see Figure 15 on Page 10 C Gas supply pressure errant Check inlet gas pressure It should be within the limits as marked on the rating plate D Pilot orifice plugged Clean or replace pilot orifice 2 Pilot will not stay lit after A Defective pilot generator Check pilot flame it must impinge on thermocouple carefully following the lighting thermocouple see Figure 15 on Page 10 Clean and or adjust pilot instructions for maximum flame impingement on thermocouple Ensure that the connection between the valve and thermocouple are tight and secure 3 Pilot burning no gas to burner Valve A Wall switch or wires defective Check wall switch and wires for proper connections knob ON and the standard burner Jumper wire across terminals at wall switch if burner OFF ON switch is ON Read impor comes on replace defective wall switch If okay jumper tant note below wires across wall switch wires at valve if burner comes on wires are faulty or connections are bad IMPORTANT NOTE If an optional B Thermopile may not be generating suf Check thermopile with millivolt meter Take reading ramote switch is used for burner ficient millivolts at thermopile terminals of gas valve Should read operation if the standard burner 325 mil
12. log D here Two charred spots face the front Logs get very hot and will remain hot up to one hour after gas supply is turned off Handle only when logs are cool Turn off all electricity to the appliance before you install grate and logs BURNER ADJUSTMENTS QUALIFIED TECHNICIANS ONLY If the air shutter openings closed too far sooting may develop Sooting is indicated by black puffs developing at the tips of very long orange flames Sooting results in black deposits forming on the logs appliance inside surfaces and on exterior surfaces adjacent to the vent termination Sooting is caused by incomplete combustion in the flames and lack of combustion air entering the air shutter opening To achieve a warm yellowish orange flame with an orange body that does not soot the Position Small End ch shutter opening must be adjusted between these two extremes Log E on The Notch o Log C Here Valve Access Side E Shutter Adjustment Guidelines If there is smoke or soot present first check the log set positioning to ensure that the flames are not impinging on any of the logs If the log set is properly positioned and a sooting condition still exists then the air shutter opening should be increased The more offsets in the vent system the larger the air shutter opening will need to be An appliance operated with the air shutter opened too far may have flames that appear blue and transparent These weak blue and transparent flames are termed a
13. over and then only when necessary and when the fireplace is cool Wipe surface with clean dampened soft cloth Follow with dry soft towel as desired Take care not to scratch the glass surface The viewing glass should be cleaned periodi cally to remove any build up caused from the following NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE e During start up it is normal for condensa tion to form on the inside of the glass this condensation and fog will usually disappear in a few minutes The moisture can cause lint dust and other airborne particles to cling to the glass surface e Initial curing of the high temperature paint and burning off of lubricants used in the manufacturing process may result in a film on the glass A white coating may form on the glass as a result of impurities and minerals in the fuel It is recommended that the glass be cleaned two or three times during each heating season depending on the circumstances present The following cleaning solutions are approved for use to clean glass e Non ammonia based household cleaner e 50 50 mix of white vinegar amp water e gas fireplace stove glass cleaner Inspect Glass Gasket Visually inspect the gasket on the backside of the glass enclosure panels The gasket surface must be clean free of irregularities and seated firmly Clean Logs And Burner Carefully remove the logs use care when han dling the fiber logs as they become quite fragile afte
14. see Figure 13 f the following conditions are present adjust accordingly e f flame appears weak or sooty adjust the air shutter incrementally to a more open position until the proper flame appearance is achieved If flame stays lowered blue adjust the air shutter incrementally to a more closed position until the proper flame appearance is achieved 4 Leave the control knob off pilot on in the ON position and the burner OFF ON switch OFF amp remote switches if applicable 5 When satisfied that the burner flame appear ance is normal close the lower control compartment door Decrease Shutter Opening In This Direction Note Burners are omitted in this view for clarity Air Shutter Adjusting Increase Shutter Opening Rod In This Direction Main Burner Factory Air Shutter Opening Setting All Models Propane Gas 1 8 1 4 Adjustment Rod Positions when viewed from above Figure 14 Millivolt Appliance Checkout The pilot flame should be steady not lifting or floating Flame should be blue in color with traces of orange at the outer edge The top 3 8 10 mm at the pilot generator thermopile and the top 1 8 minimum tip of the quick drop out thermocouple should be engulfed in the pilot flame The flame should project 1 25 mm beyond the hood at all three ports See Figure 15 To light the burner refer to the lighting instruc tions on Page 15 MILLIVOLT PILOT ASSEMBLY P
15. to give the appliance a safe reliable and attractive flame pattern Any attempt to use a different log set in the fireplace will void the warranty and will result in incomplete combustion soot ing and poor flame quality Glowing Embers Separate into Quarter Size separate Pieces Bag of Glowing Embers rockwool Valve Access Side Figure 5 READ LOG WARNINGS ON PAGE 9 BEFORE PROCEEDING 1 Remove front glass enclosure panel from appliance a Open Control Compartment Access Panel see Control Compart 8 Place Log B as shown in Figure 8 Position Log B Against The Back Of The Grate Here ment Access Instructions on Page 4 b Removethe glass panel enclosure see Removing Glass Enclosure Panel instructions on Page 6 2 Remove the following from firebox log set embers rockwool and vermiculite Handle logs carefully to prevent breakage 3 Ensure the Grate is properly installed in the firebox with the 4 legs of the grate fitting into the 4 dimples on the firebox floor 4 Install Vermiculite Place some vermiculite on the firebox floor around the grate the entire bag of vermiculite will NOT be used See Figure 13 on Page 9 DO NOT PLACE ANY VERMICULITE ON THE BURNER 6 Placement of Glowing Embers separate the Embers rockwool into pieces about the size of a quarter see Figure 5 on Page 7 Keep the pieces fluffed up not matted Distribute these pieces over the surface of the burner
16. two 2 latches at the top of the control compartment To disengage the two latches from the bottom vee flange of the glass enclosure panel reach for the handles located towards the back of the latches and pull the handles down toward the front of the appliance 4 Swing the bottom of the door out and raise it slightly to lift the top flange of the door frame away from the appliance Installing Glass Enclosure Panels see Figure 4 1 Visually inspectthe gasket on the backside of the panels The gasket surface must be clean free of irregularities and seated firmly 2 Positionthe glass enclosure panel in front of the firebox opening ata 45 degree angle and engage the top flange over the lip at the top of the firebox opening See Figure 4 3 owing the glass enclosure panel down and back Ensure the gasket seats evenly as the panel draws shut Engage the Vee flange at the bottom of the panel with the latches and close the latches to secure the panel ES Close the bottom control compartment access panel INSTALL GRATE VERMICULITE GLOWING EMBERS AND LOGS LOG SET IDENTIFICATION Bottom View of Logs in packaging XE ios E H m Na OE is Sg LOG SET Ce LA L TEN Ar a des tem letters above correspond to photos on right REFERENCE Firebox Accessories Parts Bag of Glowing Embers 1 oz rockwool Ld Vermiculite Bag 2 liters A WARNING The size and position of the log set was engineered
17. 003 and CAN CGA 2 17 M91 in both USA and Canada as vented gas fireplace heaters The Installation must conform to local codes or in the absence of local codes with the National Fuel Gas Code ANSI Z223 1 NFPA 54 latest edition or the Natural Gas and Propane Installation Code CSA B149 1 latest edition The appliance when installed must be electrically grounded in accordance with local codes or in the absence of local codes the latest edition of the National Electrical Code ANSI NFPA 70 or the Canadian Electrical Code CSA C22 1 latest editions GENERAL INFORMATION Note Installation and repair should be per formed by a qualified service person The appliance should be inspected annually by a qualified professional service technician More frequent inspections and cleanings may be required due to excessive lint from carpeting bedding material etc A IMPORTANT It is imperative that the control compartment burners and circu lating air passage ways of appli ance be kept clean See Mainte nance instructions on Page 5 Provide adequate clearances around air open ings and adequate accessibility clearance for service and proper operation Never obstruct the front openings of the appliance Due to high temperatures the appliance should be located out of traffic and away from furniture and draperies Locate furniture and window coverings accordingly These fireplaces are designed as supplemen tal heaters Th
18. A Burner orifice plugged Check main burner orifice s for blockage Clean or replace B Obstructed vent system Check vent system for obstructions TROUBLESHOOTING PROCEDURE ELECTRONIC IGNITION SYSTEM START CHECK e Turn Off Gas Supply e Check for proper volt e Ensure Valve Switch Is In ON Position age at control harness e Line voltage power e Disconnect Control Harness see insert A Voltage Low voltage transformer J shouldbe 24V between e Limit controller thermostat or pressure e Thermostat e Wiring e Set Thermostat To Call For Heat switch and 24V common and 24V hot Insert A e Plug control harness into valve Wait for internal check End View of Control Harness Connector delay 24 Volt Hot n Volt e With pilot burner cable con ommon AN nected measure voltage at valve HSI element output 24V e Replace valve nominal See insert B e Igniter warms up and glows NO YES 24 Volt e Replace igniter flame rod Switched assembly Check For Damaged or Missing YES Terminals in Connector e Check that pilot gas is flowing Wait e Turn on gas supply to ensure pilot gas tubing is purged e Replace valve e Pilot burner lights Recycle call for heat if necessary Insert B e Measure voltage between 24V hot and 24V common leads to valve control Must measure at least 19 5 VAC with e Check transformer and igniter powered see insert A To line volt supply identify proper lead this check must be done
19. AFETY READ BEFORE LIGHTING WARNING IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE A When lighting the appliance follow these instructions e mmediately call your gas supplier from a neighbor s exactly phone e f your gas supplier cannot be reached call the fire B BEFORE OPERATING smell all around the appliance area department for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor C Use only your hand to turn the gas control lever Never use tools If the lever will not turn by hand do not try to repair it call a qualified service technician Force or attempted repair may result in a fire or an explosion WHAT TO DO IF YOU SMELL GAS e Extinguish any open flame e Open windows D Do not use this appliance if any part has been under e o not light any appliance water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water e Donot touch any electrical switches e Do not use any phone in your building LIGHTING INSTRUCTIONS 1 STOP Read the safety information above on this page 5 Turn the OFF ON switch to OFF Do not force 2 Turn remote wall switch to OFF 6 Wait five 5 minutes to clear out any gas If you then
20. Assembly Lower Char EN EN 1 I Oo N C1 co All All All All All 2 ce LB 95668 Nailing Flange 12L15 2 Nameplate Lennox MPD35ST NM amp 24M1001 1 Orifice Burner NG 37 104 MPD35ST NE 42M79 1 Orifice Burner LP 1 55mm MPD35ST PM amp 061 MPD35ST PE MPD35ST NM amp 27K30 OFF ON Switch Rocker ms vetms 10 42363 Vermiculite 1 Bag A Electrical Outlet Kit consists ofa junction box 2 screws an receptacle outlet an OFE ON rocker switch and a snap bushing Note All the components in the electrical kit will Not be used by every model 21 22 22 23 24 25 A A LENNOX reserves the right to make changes at any time without notice in design materials specifications prices and also to discontinue colors styles and products Consult your local distributor for fireplace code information Printed in U S A 2005 by LENNOX HEARTH PRODUCTS 20 P N875 025M REV NC 04 2005 LENNOX HEARTH PRODUCTS 1110 West Taft Avenue Orange CA 92865
21. a pilot which must be lit with a piezo Do not use any phone in your building igniter When lighting the pilot follow these instructions Immediately call your gas supplier from a neighbor s exactly phone BEFORE OPERATING smell all around the appliance area for If your gas supplier cannot be reached call the fire depart gas Ensure to smell next to the floor because some gas is ment heavier than air and will settle on the floor C Use only your hand to push in or turn the gas control knob WHAT TO DO IF YOU SMELL GAS Never use tools If the knob will not push in or turn by hand do not try to repair it call a qualified service technician Force Extinguish any open flame or attempted repair may result in a fire or an explosion SEC NUDO l Do not use this appliance if any part has been under water Do not light any appliance Immediately call a qualified service technician to inspect the Do not touch any electrical switches appliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS STOP Read the safety information above on this page 6 Wait five 5 minutes to clear out any gas If you then smell gas STOP Follow B in the safety information above on this page If you Access the lower control compartment do not smell gas go to the next step Turn OFF ON switch to OFF and remote wall switch if appli 7 Push in gas control knob slightly and turn cou
22. a quali fied service technician at once if any abnormal condition is observed Small Area Paint Touch up The finish of the appliance is a high qual ity powdercoat Only use factory supplied powdercoat paint kit for touch ups Paint is available at your local authorized Lennox Hearth Products dealer cat no 90L 74 Never attempt to paint a hot fireplace Do notattemptto repaintthe appliance until the finish is completely cured see Burn In Period on Page 3 Ifthe surface later becomes stained or marred it may be lightly sanded and touched up with spray paint Front Glass Enclosure Panel Removal and Installation A WARNING Do not operate appliance with the glass front removed cracked or broken Replacementofthe glass should be done by a licensed or qualified service technician A WARNING Do not attempt to substitute the materials used on this door or replace cracked or broken glass with any materials other than those provided by the appliance manufacturer A WARNING Handle this glass with extreme care Tempered glass is suscep tible to damage do not scratch or handle roughly while rein stalling the glass door frame A WARNING Do not attempt to touch the front enclosure glass with your hands while the fireplace is in use A WARNING The glass door of this appli ance must only be replaced as a complete unit as provided by the manufacturer Do not attempt to replace broken cracked or chipped
23. all Thermostat Operation of millivolt and electronic gas con trol systems are different Before lighting and operating your appliance determine if you have a millivolt or electronic appliance Familiarize yourself with the gas control valve that your appliance uses Refer to Figure 1 for access to the gas control valve SIT Millivolt Gas Valve HI LO Variable Flame Height Adjustment Inlet Pressure Tap Manifold Pressure Tap Note An Optional Screen Heat Guard for the glass is available see Page 14 for ordering infor mation Main Gas Control Knob OFF PILOT ON A WARNING Any safety guard or screen removed for servicing the appli ance must be replaced prior to operating the appliance Gas Control Compartment Access The gas controls can be found behind the control compartment access panel To openthe control compartment access panel actuate the spring loaded magnetic catches securing the panel First depress the outer top right corner of the panel until the catch pops the door free Then gently pull the door forward until the left top corner pops free allowing the panel to swing out and down to open On millivolt systems the piezo igniter HI LO flame adjustment knob and pilot and main gas OFF ON control knob are located below the glass panel enclosure The gas valve for electronic systems is also located below the glass enclosure panel See Figure 1 To ease door closure depress the catches
24. ane Doors Text Iron M0964 SPD35SP_ 35 Sq Pane Doors Satin Pew hoses senssns s sa Fane Doors Ant ass ref Form 775 169M 96L05 2 Pc Louver Kit 2LVR35PB Polished Brass 2 Pc Louver Kit PLVR35BS Brushed Stainless ref Form 504 224M 96L09 2 Piece Polished Brass and Brushed Stainless Louvers Kits Theselouvers are designed to replace eitherthe middle charcoal louver of each set or the charcoal louver in each set closest to the glass door These kits include two narrow louvers They provide atouch of elegance to these appliances These kits can be retrofitted to previously installed appliances Clean Face Charcoal Radiant Panel Kits 88L36 RAD35C 2 Clean Face Panel Kit ref Form 504 223M Clean Face Panel Kits Clean faced panel kits are available to convertthe stan dard louvered fireplaces to radiant models which are more suited for finishing around the firebox opening with non combustible materials such as tile 4 Piece Trim Kit 96K17 TK35PB4 35 4 Piece Finish Trim Kit Polished Brass ref Form ii 9299 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Note Door amp Trim Kits are for 1 side only If set is desired order 2 kits i 2 Piece Louver Kits 3 Piece Trim Kit TK35PB3 35 3 Piece Finish Trim Kit Polished Brass ref Form 750 147M Polished Brass 3 Piece Trim Kit This kit contains brass trim pieces used to finish the
25. appliance is not convertible for use with other gases unless a certified kit is used A WARNING Do not place clothing or other flammable materials on or near this appliance A WARNING Carbon monoxide poisoning early signs of carbon monoxide poisoning are similar to the flu with headaches dizziness and or nausea If you have these signs obtain fresh air immediately Turn e offthe gassupplytothe appliance UE EA oo and have it serviced by a quali 9 BOQ Gas Flex Line plumber or gas fied professional as it may not aS eae TS be operating correctly A WARNING Children and adults should be alerted to the hazards of high surface temperatures Use cau tion around the appliance to avoid burns or clothing ignition Young children should be carefully supervised when they are in the same room as the appliance Note The gas supply line must be installed in accordance with building codes by a qualified installer approved and or licensed as requed by the locality In the Commonwealth of Massachusetts installation must awa Piezo Igniter Control Compartment Access panel Figure 1 Gas Control Compartment Access OPERATION AND CARE OF YOUR APPLIANCE The standard controls for appliance operation are located behind the hinged drop down panel below the appliance front glass enclosure panel see Figure 1 Optional control switches are also available see Page 12 Remote Wall Switch Remote Control or W
26. as shown in Figure 6 Do not use more than is necessary Ensure that the main burner ports remain uncovered by the ember material Note This appliance is provided with enough Glowing Embers for several applications do not use all that is in a new bag at one time For best glowing effect replace the ember material annually Replacement Glowing Embers are available order Catalog Number 88L53 Position Groove at The Bottom Of Log B Over The Grate Here And Slide It Against The Back Of The Grate Valve Access Side Figure 8 9 Place Log C as shown in Figure 9 Log C Lays Over Logs A and B Place Embers on burner as shown rima si ai s m F Jj Bn EM i LT mr ANE y T 1 1 ame F T ES NAM Valve Access Side DO NOT PLACE EMBERS OVER GAS PORTS AREAS CIRCLED Position The Groove in The Back of Log C Against The Grate Figure 6 Figure 9 T Place Log A on the grate as shown in Figure 7 10 Place Log D as shown in Figure 10 Position And Slide Log D Against The Back Of The Grate Position The Groove At The Bottom Of Log A Over The Grate And Slide It Log A Cvar Thie Log Senne Forward Against The Grate Here Position Groove At The Bottom Of Valve Access Side Figure 7 Valve Access Side Place Log D Over The Flat Spot On Log A Here Figure 10 10 Place Log E as shown in Figure 11 A WARNING Position round end of log E against the notch of
27. e Model RCL T Deluxe remote control system is installed in the same manner as the standard system may be operated with electronic and mil livolt systems with either natural gas or propane gas The RCL T comes complete with detailed operating instructions Brickaded Wall Liner Kits H3207 MBLK 35ST Interior Brick Liner Kit ref Form 750 160M Brickaded Panel Liner Kit The brickaded liner kits include ceramic panels as shown here The panels have brick like features in relief ACCESSORY COMPONENTS Arch Pane Design Square Pane Design Style View Doors Style View Doors come in 4 beautiful styles They are easy to install and will not require hardware to attach them to the standard glass door frame The door includes heavy duty magnet door latches and functional twin pane doors Arch Pane Design Kits Hosan senasc 35 Ach Pane Doors cnar Ho931 APD35TI 35 Arch Pane Doors Text Iron H0932 APD35SP 35 Arch Pane Doors Satin Pew H0933 APD35AB 35 Arch Pane Doors Ant Brass mae moder Description hosse anase a5 Aron Doors Charcoal H0859 AD35TI 35 Arch Doors Textured Iron eso nnosp 35 arc Doors Satin Pewter Feat mo Model Deum mosas snose 35 Sa Doors hard H0947 SD35T1 35 Sq Doors Textured iron mosas smasse 357 Su Doors Satin Pemer hogoz ses 5Sa Pane Doors crar H0963 SPD35TI 35 Sq P
28. e Model RCL is designed to operate with all mil livolt ignition systems as well as electronic ignition systems It may be installed with use for either natural gas or propane gas appliances The RCL offers ease of installation and allows you to execute on off commands to the fireplace effortlessly with one simple motion TheModel RCL comes complete with detailed operat ing instructions Decorative Firebox Accessories 88L53 Bag of Glowing Embers 1 oz rockwool Bag of Decorative Bude Volcanic Stone FDVS ref Form 750 010M Bag of Glowing Embers Bag of Volcanic Stone Replacement ember materials or volcanic stone are available for use with these appliances Order kits as part of the periodic maintenance of the appliance NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Remote Control Kit Deluxe RCL STAT Remote Control System Deluxe ref Form 750 129M Deluxe Remote Control System The Model RCL T Deluxe Remote Control System has all of the features of the standard system along with an added easy to read LCD screen which presents access to many enhancements including battery power level indicator timer mode of operation thermostatic display including room temperature in either metric of English units flame indicator and clock Fully programmable the Model RCL T allows for virtual command over nearly all operational and temperature variables using the hand held remote control transmitter Th
29. eed Control Switch or ON OFF Switch for Blower Kit optional Relay Module C W FBK 250 only Plug blower into J Box receptacle for FBK 100 or FBK 200 application View A for J Box wiring Outlet Box Green Ground Screw White Wire to Opposite Side neutral Hot side of Outlet Box Leave the OFF ON switch which is integral with the gas valve in the ON position Optional Control Switches Wall Switch Wall Thermostat or Remote Control Receiver Notes 1 If any of the original wire as supplied must be replaced use Type AWM 105 C 18 gage wire ONLY 2 120 VAC 60 Hz Less than 3 Amps Caution label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation REPLACEMENT PARTS A complete parts list is found at the end of this manual Use only parts supplied from the manufacturer Normally all parts should be ordered through your Lennox distributor or dealer Parts will be shipped at prevailing prices at time of order When ordering repair parts always give the following information 1 The model number of the appliance 2 The serial number of the appliance 3 The part number 4 The description of the part 9 The quantity required 6 The installation date of the appliance If you encounterany problems or have any ques tions concerning the installation or application of this system please contact your distributor or Lennox directly
30. erefore it is advisable to have an alternate heat source when installed in a dwelling Theseappliancesare designedto operate onnatural gas or propane gas only The use of other fuels or combination of fuels will degrade the performance of this system and may be dangerous Millivolt Models BTU Input Millivolt models come standard with the manu ally modulated gas valve flame appearance and heat output can be controlled at the gas valve The BTU Input for millivolt models is shown in Table f Input BTU Manually Modulated Gas Valves millivolt models Fuel Type Input Rate BTU HR MPD35ST NM 30 000 high 23 000 low 28 000 high MPD35ST PM 2 UN ic Table 1 Electronic Models Electronic models have a fixed rate gas valve The BTU Input for electronic models is shown in Table 2 Input BTU Fixed Rate electronic models Fuel Type MPD35ST NE Nat Gos MPD35ST PE if field converted Table 2 Gas Pressure Tables 3 4 and 5 show the appliances gas pressure requirements Inlet Gas Supply Pressure all models 5 0 WC 10 5 WC 1 24 kPa 2 61 kPa 11 0 WC Propane 13 0 WC Table 3 3 23 kPa Manifold Gas Supply Pressure millivolt models Low Hih Lo 2 2 WC Hi 3 5 WC 87 kPa Lo 6 3 WC Hi 10 0 WC 1 57 kPa 2 49 kPa Table 4 Input Rate BTU HR 55 kPa Propane Manifold Gas Supply Pressure electronic models 3 5 WC 87 kPa
31. gaps between the wall board and the fireplace provid ing the appliance a brass perimeter highlight This kit contains the trim pieces and these instructions 35 Assembled Louver Kits LVR35PB 2 Louver Kit Polished Brass LVR35Bs 2 Louver Kit Brushed Stainless ref Form 750 119M 88L28 88L32 Polished Brass amp Brushed Stainless Louvers Kits Decorative louvers are available for use with all Multi Open Series appliances These kits include a top 3 piece assembly anda bottom 3 piece assembly They provide a touch of elegance to any Multi Open Series appliance These kits can be retrofitted to previously installed appliances appliance at the glass enclosure panel s top and bottom edges 2 Piece Door Frame Kits These kits are designed to attach directly to CO the front face of the 2 Piece Trim Kit 26M88 2DFK35PB 35 Door Trim Kit Polished Brass 2 Piece Top and Bottom 35 Door Trim Kit Brushed Stainless 2 Piece Top and Bottom ref Form 750 098M 13 14 ACCESSORY COMPONENTS SS 35 Eyebrow Hood Kits 96K67 EB35PB Hood Kit Polished Brass Hood Kit Brushed These hood kits replace the standard hood that comes with these fireplaces ref Form 504 142M Polished Brass amp Brushed Stainless Hood Kits Attractive hoods are available in two styles to be used on the Multi Open Series appliances These hoods are designed to be fitted to the glass viewing sides of the
32. h are located below glass panel see Figure 1 Figure 2 Note To prevent excessive resistance in burner circuit which can cause burner operation prob lems only one burner control switch should be wired to valve Therefore if an optional control switch is installed the standard Off On switch and wires should be removed Electronic Appliances Tolightelectronic appliances refer to the detailed lighting instructions found on Page 16 Elec tronicappliance lighting instructions may also be found on the pull out lighting instruction labels attached to the gas control valve Once the pilotis lit if your electronic appliance is equipped with an optional burner control switch kit the appliance main burner may be turned on and off using the optional switch See optional accessories on Page 12 Wall Switch Wall Thermostat Or Remote Control Receiver Honeywell Electronic Gas Valve Manifold Pressure ON OFF Switch Electronic Gas Control Valve Figure 3 Variable Flame Height Adjustment Millivolt Appliances only 1 All Millivolt appliances are equipped with a variable gas control valve Flame height for these models may be adjusted through a range between fixed low and high settings while the appliance is in operation Adjust the flame height as desired after lighting the appliance by rotating the variable adjustment control knob HI LO located on the front of the valve refer to Figure 2 2 During the first in
33. ir circulation C NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE 35 Arch Door Kits ref Form 750 021M Arch Door Kits Two types of arch door kits are available for the Multi Open Series Both types of kits are easy to install and do not require hardware to attach them to the standard door frame These kits can be retrofitted to previously installed Multi Open Series appliances The decorative arch kits can not be used in conjunction with the screen panel kit Forced Air Blower Kits 80L84 FBK 100 Blower Standard single speed 80L85 FBK 200 Blower Variable Speed w wall mounted switch 80L86 Blower Variable Speed w unit mounted switch 94L89 FBK 100 36 Blower Standard 36 Pack 94L90 FBK 200 36 Blower Kit Variable Speed with Wall Switch 36 Pack FBK 250 36 Blower Kit Variable Speed with Thermo Snap Switch 36 Pack ref Form 750 028M amp 750 029M Touch Up Paint Kits 90L74 TPK C Touch Up Paint Charcoal 98K67 TPK T Touch Up Paint Tan TPK C ref Form 504 216M Touch Up Paint Kit Repair of minor scratches and discoloration of the appliance charcoal painted surfaces may be accom plished with the touch up paint kit LIGHTING INSTRUCTIONS MILLIVOLT GAS VALVE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE PERSONAL INJURY OR LOSS OF LIFE A This appliance has
34. itial burns of these appli ances there will be some odor emitted see Burn In Period on Page 3 3 Keep the lower control compartment clean by vacuuming or brushing at least twice a year More frequent cleaning may be required due to excessive lint from carpeting bedding materials pet hair etc It is very important that the control compartments burners and circulating air passageways of the appliance are kept clean 4 Always turn off gas to the pilot millivolt appliances and let the appliance cool down before cleaning Before re lighting refer to the lighting instructions in this manual Lighting instructions may also be found on the pull out lighting instruction labels attached to the gas control valve Always keep the appliance area clear and free from combustible materials gasoline and other flammable liquids 6 Remember Millivoltappliances have acontinu ous burning pilotflame Exercise caution when using products with combustible vapors ei MAINTENANCE See Maintenance Schedule Page 17 Refertothe maintenance schedule for maintenance tasks procedures periodicity and by whom they should be performed Always verify proper opera tion of the appliance after servicing WARNING Turn off gas and electrical power before servicing the appliance IMPORTANT Do not use abrasive cleaners on glass Never clean the glass when it is hot CAUTION Wear gloves and safety Glasses for protection
35. ive produc tion of carbon monoxide CO a colorless odorless toxic gas A WARNING DO NOT attemptto install the logs until the appliance installation has been completed the gas line con nected and tested for leaks andthe initial burner operation has been checked out If air shutter is Flame will Air shutter closed too far be orange gap should be gt gt increased If air shutter is Flame will Air shutter open too far he blue gap should be gt gt decreased A WARNING Air shutter adjustment should only be performed by a qualified professional service technician A CAUTION Carbon will be produced ifthe air shutter is closed too much Any damage due to carboning result ing from improperly setting the air shutter is not covered under the warranty Burner Air Shutter Adjustment Procedure 1 Locate adjustment rod and adjust air shutter A WARNING Ensure front glass panels are in place and sealed during adjust ment to the standard setting as shown in Figure 14 adjustment rod is located in the lower control compartment Note Rotating the adjustment rod counterclockwise decreases air and clockwise increases air 10 2 Light appliance follow lighting procedure on lighting label in control compartment or see homeowners manual 3 Allowthe burner to operate for at least 15 min utes while observing the flame continuously to ensure that the proper flame appearance has been achieved
36. livolts minimum with optional wall switch OFF ON switch is still installed on OFF Replace faulty thermopile if reading is below appliance it must be in the OFF specified minimum position C Plugged burner orifice Check burner orifice for blockage and remove Optional remote switch kits wall D OFF ON Switch amp Remote Switch are in When turning on the burner using a remote switch switch wall thermostat or remote the ON position resulting in excessive ensure thatthe standard OFF ON switch is in the OFF control resistance position If both switches are in the ON position it may result in excessive resistance amp millivolt drain age and the burner may not come on 4 Frequent pilot burner outage prob A Pilot flame may be too low or blowing high Clean and or adjust pilot flame for maximum flame lem causing the pilot valve safety to drop out Page 40 on thermocouple see Figure 15 on Page 10 TROUBLESHOOTING GUIDE ELECTRONIC IGNITION SYSTEM SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 1 Burner will not light B OFF ON or wall switch defective Disconnect the two black wires from the wire nuts Test switch s for continuity with a multimeter If continuity is not indicated switch s is defective and must be replaced Note Before replacing OFF ON switch Ensure to check wiring for loose connections or broken wires and repair as needed 2 Burners come ON then turns OFF
37. loating Inspecting Cleaning Pilot and Burner Qualified Service Technician Refer to Figure 15 and Figure 16 on Page 10 Remove any surface build up on pilot and burner assembly Wipe the pilot nozzles igniter flame rod and hood Ensure the pilot flame engulfs the flame sensor as shown Checking Vent System Qualified Service Technician Inspect the vent system at the top and at the base within the firebox for signs of blockage or obstruction Look for any signs of dislocation or deterioration of the vent components Note Excessive condensation can cause corrosion of caps pipe amp fittings excessive condensation can be caused by long lateral runs too many elbows and or exterior portions of the system being exposed to cold weather Also inspect wall straps or plumbers s tape to ensure it is secure and in place Appliance Checkout Qualified Service Technician Perform the appropriate appliance checkout procedure detailed in this manual Replacing Rockwool Ember Materials Homeowner Qualified Service Remove old ember materials rockwool and vacuum the ember Technician placement area Place new embers as described in Step 6 on Page 8 Periodically After the Burning Season MAINTENANCE TASK ACCOMPLISHING PERSON PROCEDURE Cleaning Firebox Interior Homeowner Carefully remove logs rockwool volcanic stone and vermiculite Vacuum out interior of the firebox Clean firebox walls and log grate Replace logs Rockwool and volcanic stone
38. nemic Propane models may exhibit flames which candle or appear stringy If this is present and per sists adjust the air shutter to a more closed position then operate the appliance for a few more minutes to ensure that the flame normalizes and the flames do not appear sooty Y Figure 11 Flame Appearance amp Sooting Proper flame appearance is a flame which is blue at the base andbecomes yellowish orange in the body of the flame When the applianceisfirstlit theentireflame may beblueand will graduallyturn yellowish orange during the first 15 minutes of operation If after period the flame stays lowered blue or ifthe flame is orange with evidenceofsooting blacktip the air shutter opening may need to be adjusted Figure 13 Burner Flame Appearance A WARNING This appliance is not designed to burn wood Any attempt to do so could cause irreparable damage to appliance and prove hazardous to your safety The following chart is provided to aid you in achieving the correct air shutter adjustment for your installation Air Shutter Adjustment Guidelines Amount of Flame Air Shutter Primary Air Color Adjustment The air shutter door and nearby appliance surfaces are hot Exer cise caution to avoid injury while adjusting flame appearance A WARNING If logs are not installed according tothe log installation instructions flame impingementand improper combustion could occur and result in soot and or excess
39. nterclockwise cable EK N to PILOT Verity main line shut off valve is open 8 Push in control knob all the way and hold in Immediately light the pilot by triggering the spark igniter pushing the button until pilot Push in d d knob slightly and turn clockwise lights Continue to hold the control knob in for about 1 1 2 minutes w to after the pilot is lit Release knob and it will pop back up Pilot should SIT Millivolt Gas Valve remain lit If it goes out repeat steps 5 through 8 e f knob does not pop up when released stop and immediately call your service technician or gas supplier If pilot will not stay lit after several tries turn the control knob to OFF and call your service technician or gas supplier Millivolt Pilot LO HI GAS CONTROL i KNOB 9 Turn gas control knob counterclockwise BURNER PIEZO to ON OFF ON SWITCH IGNITER Note Knob cannot be turned from PILOT to OFF unless the knob is pushed in slightly Do not force 10 Close lower control compartment TO TURN OFF GAS TO APPLIANCE 1 Turn remote wall switch OFF The pilot will remain lit for 4 Depress gas control knob slightly and turn clockwise normal service w to OFF Do not force 2 For complete shutdown turn remote wall switch to OFF 5 Close lower control compartment 3 Access the lower control compartment 15 16 LIGHTING INSTRUCTIONS ELECTRONIC FOR YOUR S
40. perating instructions provided in this document will result in an improperly installed and operating appliance voiding its warranty Any change to this appliance and or its operating controls is dangerous Improper installation or use of this appli ance can cause serious injury or death fromfire burns explosion or carbon monoxide poisoning A IMPORTANT These appliances must not be connected to a chimney or flue serving a separate solid fuel burning appliance NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE A WARNING Do not use these appliances if any part has been under water Immediately call a qualified professional service technician to inspect the appliances and to replace any parts of the control system and any gas controls which have been under water A WARNING Do not attemptto alter or modify the construction of the appli ance or its components Any modification or alteration may void the warranty certification and listings of this unit A WARNING Improper installation adjust ment alteration service or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a qualified installer service agency or the gas supplier A WARNING These fireplaces are vented heaters Do not burn wood or other material in these appli ances A WARNING This appliance is only for use with the type of gas indicated on the rating plate This
41. r curing Vacuum out any foreign matter lint carbon etc on the burner Ensure the burner ports are open Remove any carbon deposits from the under side of the logs using a vacuum Cleaner ora soft bristled brush i e paint brush Note Improper positioning of logs can create carbon build up and will alter the performance of the appliance Replacing Logs If the logs become damaged by accident or improper handling and need replacement use only the proper replacement logs from manufac turer see Page 20 for ordering information Re Install Embers Logs and Vermiculite Carefully follow placement instructions on Pages 7 to 9 All logs should fit onto cor responding pins and or log stoppers This will ensure a proper flame and safe combustion Inspect Wiring Refer to wiring diagrams on Page 11 A WARNING Label all wires prior to discon nection when servicing con trols Wiring errors can cause improper and dangerous opera tion Verify proper operation after servicing Inspect and clean all wire connections Ensure that there is no melting or damage Inspection should include e Terminals at the Valve e OFF ON Switch e Optional Control Switch Wall Thermostat Remote Control or Remote Wall Switch Kit inspect Burner Flame Appearance Ensure that the burner flame appearance resembles the flame shown in Figure 13and as described in Flame Appearance and Sooting on Page 9 The Homeowner must contact
42. roper Pilot Flame Appearance Igniter Rod leer Min uM Bu Nozzels Thermopile Figure 15 NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Electronic Appliance Checkout To light the burner refer to the lighting instruc tions on Page 16 Ensure the igniter lights the pilot The pilot flame should engulf the flame sensor as shown in Figure 16 ELECTRONIC PILOT ASSEMBLY Proper Pilot Flame Appearance 3 to 1 Proper Flame 8 13 mm Adjustment Pilot Nozzels Ground Electrode Flame Rod Hot Surface Igniter Figure 16 With proper care and maintenance your appli ance will provide many years of enjoyment If you should experience any problem first refer to the troubleshooting guide in this manual If problem persists contact your Lennox distributor WIRING DIAGRAMS Wiring diagrams are provided here for refer ence purposes only This information is also provided on schematics attached directly to the appliance on a pullout panel located within the control compartment A CAUTION Label all wires prior to discon nection when servicing con trols Wiring errors can cause improper and dangerous appli ance operation Millivolt Wiring Diagram Schematic Representation Only If any of the original wire as supplied must be replaced it must be replaced with Type AWM105 C 18 gage wire Thermopile Opt Field Wired Standard OFF ON Switch radion 00 Wired
43. stitute NFI as NFI Gas Specialists Listing Agency aiu OTL Report No 116 F 28 5 OMNI Test Laboratories Inc Tested amp Listed By CONGRATULATIONS In selecting this LENNOX Direct Vent Gas Appliance you have chosen the finest and most dependable fireplace to be found anywhere Its a beautiful prestigious alternative to a wood burning fireplace Welcome to a Family of tens of thousands of satisfied LENNOX Fireplace Owners Please carefully read and follow all ofthe instructions found inthis manual Please pay special attention to the safety instructions provided in this manual The Homeowner s Care and Operation Instructions included here will assure that you have many years of dependable and enjoyable service from your LENNOX product TABLE OF CONTENTS Introduction sssr Page 2 General Information Page 2 Gas Controls Access Page 4 Operation Care of Your Appliance Page 4 Variable Flame Adjustment Page 5 Maintenance Page 5 Front Glass Enclosure Panel Removal and Installation Page 6 Install Grate Vermiculite EIlibers amp LOS aesereviieveivevkuesittenissdss Page 7 Burner Flame Appearance amp Sooting Page 9 Burner Flame Adjustments Page 9 Millivolt Appliance Checkout Page 10 Electronic Appliance Checkout Page 10 Wiring Diagrams Page 11 Warran oisnean Page
44. to place them in their retracted position then close the door Millivolt Appliances Appliances with Millivolt systems will be fitted with the gas control valve shown in Figure 2 Electronic Appliances Appliances with electronic systems will be fitted with the electronic valve shown in Figure 3 Millivolt Appliances To light millivolt appliances refer to the detailed lighting instructions found on Page 75 Millivolt appliance lighting instructions may also be found onthe pull outlighting instruction labels attached to the gas control valve Millivolt appliances are fitted with an OFF ON Rocker Switch located behind the control compartment access panel below the appli ance front glass enclosure panel see Figure 7 for location Once the pilot is lit the OFF ON rocker switch will control the appliance OFF ON burner operation To operate Toggle the switch between its ON and OFF positions If your millivolt appliance is equipped with an optional remote switch kit wall switch remote control or wall thermostat and the pilot is lit the appliance main burner may be turned on and off using the optional switch When using an optional remote switch turn offthe standard OFF ON switch NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE Outlet H Main Gas Terminals TPTH TP amp TH Control Knob Flame Height OFF PILOT ON Adjustment OFF ON IGNITER burner Of Note The piezo igniter and burner OFF ON switc
45. while doing required maintenance Before re lighting the fireplace refer to the lighting instructions in this manual Instruc tions are also found on pull out panels located below the glass door in the control compartment Inspect Venting System The appliance and venting system should be thoroughly inspected before initial use and at least annually by a qualified service technician inspection should include ensuring that exhaust or intake passages are unobstructed and vent components are properly assembled and not damaged Ifthe venting system is disassembled for any reason a qualified service technician Should follow vent installation instructions for proper reassembly and proper sealing of the venting system components However more frequent periodic inspections and cleanings Should be performed by the homeowner Clean Lower Control Compartment Keep lower control compartment clean by vacuuming or brushing it out at least twice a year also clean the air venturi with a brush or wire More frequent cleaning may be required due to accumulation of lint from carpeting bedding materials pet hair spider webs etc It is very important that control compartments burners circulating air passageways and air venturi on the appliance are NOT obstructed In any Way Cleaning Glass see Front Glass Enclosure Panel Removal and Installation on Page 6 Note Clean glass after first two weeks of operation after Burn In period is
46. with the valve control con nected and igniter powered YES e Replace Pilot Assembly e Check that pilot flame makes good contact with pilot burner flame rod e Main valve opens and main NO e Checkfor good electrical connection burner lights through the pilot tubing e fboth ofthe above are good replace igniter flame rod assembly Igniter Terminals YES e System Is okay e Cycle thermostat off and back on AN Igniter will cycle off and When measuring voltage back on once during the 90 atconnections use care second ignition trial All to ensure terminals are e Main burner lights e Replace valve voltage measurements must not damaged be taken while the igniter is powered NOTE DIAGRAMS amp ILLUSTRATIONS NOT TO SCALE 19 REPLACEMENT PARTS MPD35ST empta y Desorpian whee trea SIT Millivolt Only Gas Train Assembly LP MV MPD35ST PM 2 H3356 1 Gas Train Assembly NG Elecrtr MPD35ST NE 3 42532 Transformer Vidas cic MPD35ST PE Misc Replacement Parts H3351 Brickaded Side Panels All I LB 91941BY All LB 92398B All All All I H3358 Grate Assembly 2 69L2101 Latch Glass Enclosure Panel 3 H3354 Firebox Sub Floor A Page 12 lI tem Parycat Qu Description Where Used Misc Replacement Parts Log Set All B 02449B 9 Louver Assembly Upper All Charcoal amp LB 92652B 1 Louver Assembly Lower All Charcoal valve access side H3359 Louver
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