MHSC Lexington LX36DV Installation And Operating Instructions Manual
Direct vent gas fireplace
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Summary of Contents for MHSC Lexington LX36DV
- Page 1 This Owner's Manual is provided and hosted by Appliance Factory Parts. MAJESTIC LEXINGTON LX36NV Owner's Manual Shop genuine replacement parts for MAJESTIC LEXINGTON LX36NV Find Your MAJESTIC Fireplace Parts - Select From 585 Models -------- Manual continues below --------...
- Page 2 Lexington Direct Vent Gas Fireplace Installation and Operating Instructions Models: LX32DV, LX36DV WARNINGS IF the INFoRMAtIoN IN theSe INStRuctIoNS ARe Not FoLLoWeD eXActLy, A FIRe oR eXpLoSIoN MAy ReSuLt cAuSING pRopeRty DAMAGe, peRSoNAL INjuRy oR LoSS oF LIFe. – Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
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Page 3: Table Of Contents
Lex-Fire Burn System available exclusively on MhSc gas appliances. the Lex-Fire Burn System sets a new standard for flame appearance through innovative log design, burner technology and ember placement. each element affecting combustion and flame appearance was carefully scrutinized and strategically balanced during the design process. -
Page 4: Important Safety Information
IMpoRtANt SAFety INFoRMAtIoN LX Series Direct Vent Gas Fireplace INStALLeR oWNeR Please leave these instructions with the appliance. Please retain these instructions for future reference. • Read this owner’s manual carefully and completely before trying to assemble, operate, or service this fireplace. •... -
Page 5: Code Approval
IMpoRtANt SAFety INFoRMAtIoN LX Series Direct Vent Gas Fireplace 11. Keep the area around your fireplace clear of combus- IMpoRtANt: tible materials, gasoline, and other flammable vapor pLeASe ReAD the FoLLoWING and liquids. Do not run fireplace where these are used cAReFuLLy or stored. -
Page 6: Product Features
pRoDuct FeAtuReS LX Series Direct Vent Gas Fireplace pRoDuct SpecIFIcAtIoNS • This appliance has been certified for use with either natural or propane gas. See appropriate data plates. • This appliance is not for use with solid fuels. • The appliance is approved for bedroom or bedsitting room installations. -
Page 7: Fireplace & Framing Dimensions
FIRepLAce and FRAMING DIMeNSIoNS LX Series Direct Vent Gas Fireplace 1" (25 mm) 20 ” (516 mm) Spacers Min. Rough ” 6 ” (168 mm) Dia. (258 mm) Opening 4” (102 mm ) Dia. Depth 21 ” 44 " (1124 mm) (553 mm) 16 ” 21 ” (420 mm) (553 mm) ” (1059 mm) Min. Rough Opening Width Min. Rough Opening Height 47 ” (1210 mm) 35 ”... -
Page 8: Installation Information
INStALLAtIoN INFoRMAtIoN LX Series Direct Vent Gas Fireplace FIRepLAce FRAMING BeFoRe you StARt Firebox framing can be built before or after the appliance Read this homeowner manual thoroughly and follow all is set in place. Construct firebox framing following Figure instructions carefully. -
Page 9: Fireplace Location
LX Series Direct Vent Gas Fireplace INStALLAtIoN INFoRMAtIoN FIRepLAce LocAtIoN Plan for the installation of your appliance. This includes determining where the unit is to be installed, the vent con- figuration to be used, framing and finishing details, and whether any optional accessories (i.e. blower, wall switch, or remote control) are desired. -
Page 10: Mantel Clearances
cLeARANceS LX Series Direct Vent Gas Fireplace cLeARANceS to coMBuStIBLeS Follow these instructions carefully to ensure safe installation. Failure to follow instructions exactly can create a fire hazard. the appliance cannot be installed on a carpet, tile or other combustible material other than wood flooring. -
Page 11: Secure Fireplace To Floor Or Framing
SecuRe FIRepLAce to FLooR oR FRAMING LX Series Direct Vent Gas Fireplace The fireplace must be secured to the floor and/or to framing studs as shown in Figure 6. Use two (2) wood screws or masonry/ concrete screws to secure fireplace to the floor. Use four (4) screws to attach fireplace to framing. -
Page 12: Venting Installation
VeNtING INStALLAtIoN LX Series Direct Vent Gas Fireplace After conversion to top vent configuration the 4" (102 mm) flue pipe should be Flue Cover concentric within the 6B\," (175 mm) outer collar (within 1/4"). Screws optIoNAL top VeNt AppLIcAtIoN The appliance is shipped as a rear vent unit. If the installa- tion layout requires the unit to be a top vent configuration the appliance can be converted by the following steps. -
Page 13: Installation Precautions
The following actions will void the warranty on your venting system: • Installation of any damaged venting component. • Unauthorized modification of the venting system. • Installation of any component part not manufactured or approved by MHSC. • Installation other than permitted by these instructions. 51D0528... -
Page 14: Installation Clearances For Vent Pipe
VeNtING INStALLAtIoN LX Series Direct Vent Gas Fireplace coMBuStIBLe cLeARANceS FoR VeNt pIpe this fireplace must be vented to the outside. the venting system must NeVeR be attached to a chimney serving a separate solid fuel burning appliance. each gas appliance must use a separate vent system. Do not use common vent systems. -
Page 15: Installation Planning
LX Series Direct Vent Gas Fireplace VeNtING INStALLAtIoN INStALLAtIoN pLANNING There are two basic types of direct-vent installation: Never run the vent pipe level or downward. this may cause excessive temperatures • Horizontal Termination which could cause a fire. • Vertical Termination It is important to select the proper length of vent pipe for the type of termination you choose. -
Page 16: General Information - Termination Location
3. MHSC assumes no responsibility for the improper only permitted if veranda, porch, deck or balcony is fully open on a performance of the appliance when the venting system minimum 2 sides beneath the floor: does not meet these requirements. -
Page 17: How To Use The Vent Graph
VeNtING INStALLAtIoN LX Series Direct Vent Gas Fireplace Termination Clearances Termination clearances for buildings with combustible and noncombustible exteriors. Inside Corner Alcove Applications* Outside Corner Combustible 6" (152 mm) Combustible 6" (152 mm) Noncombustible 2" (51 mm) Noncombustible 2" (51 mm) Balcony - Balcony - with no side wall... -
Page 18: Rear Wall Vent Installation
VeNtING INStALLAtIoN LX Series Direct Vent Gas Fireplace ReAR WALL VeNt INStALLAtIoN 2. Rigid vent pipes and fittings have special twist-lock connections. Assemble the desired combination of pipe When installed as a rear vent unit this appliance may be and elbows to the appliance adaptor with pipe seams vented directly to a termination located on the rear outside oriented towards the wall or floor. -
Page 19: Horizontal (Through The Wall) Termination
VeNtING INStALLAtIoN LX Series Direct Vent Gas Fireplace Deflecting Shield Interior Wall Surface Vent Cap (Horizontal Fire Stop Termination) Assembly Vent Cap FP1957 FP2715 Horizontal Screw Figure 19 - Vent Pipe Connect Vent Cap with Horizontal Vent Pipe Apply Mastic to Wood Screw All Four Sides hoRIZoNtAL (thRouGh the WALL) teR-... - Page 20 VeNtING INStALLAtIoN LX Series Direct Vent Gas Fireplace 3 x 90° Elbows B: 7’ A: 10’ 3 x 90° Horizontal 90° Elbow = 3' Reduction Elbows A + B = 17' Maximum 7’6” Figure 20 - Maximum Three (3) 90° Elbows Figure 22 - Per Installation Maximum Vent Run with Elbows 90°...
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Page 21: Below Grade Installation
VeNtING INStALLAtIoN LX Series Direct Vent Gas Fireplace If the foundation is recessed, use recess brackets (not BeLoW GRADe INStALLAtIoNS supplied) for securing lower portion of the snorkel. Fasten When it is not possible to meet the required vent terminal brackets to wall first, then secure to snorkel with self drill- clearances of 12"... -
Page 22: Installation For Vertical Termination
VeNtING INStALLAtIoN LX Series Direct Vent Gas Fireplace INStALLAtIoN FoR VeRtIcAL teRMINA- tIoN 1. Determine the route your vertical venting will take. If ceiling joist, roof rafters or other framing will obstruct the Maximum venting system, consider an offset. Figure 29 to avoid Height cutting load bearing members. - Page 23 VeNtING INStALLAtIoN LX Series Direct Vent Gas Fireplace side. This prevents loose insulation from falling into the 4. Connect a section of pipe and extend up through the required clearance space. Figure 30. Otherwise, install hole. firestop below the framed hole. The firestop should be Note: If an offset is needed to avoid obstructions, you installed with no less than three nails per side.
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Page 24: Fireplace Installation
FIRepLAce INStALLAtIoN LX Series Direct Vent Gas Fireplace checK GAS type Use proper gas type for the fireplace you are installing. If you have conflicting gas type, do not install fireplace. See dealer where you purchased the fireplace for proper fireplace according to your gas type. - Page 25 FIRepLAce INStALLAtIoN LX Series Direct Vent Gas Fireplace A manual shutoff valve must be installed only persons licensed to work with gas upstream of the appliance. union tee piping may make the necessary gas and plugged 1/8" Npt pressure tapping connections to this appliance.
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Page 26: Checking Gas Pressure
checKING GAS pReSSuRe and eLectRIcAL INStALLAtIoN LX Series Direct Vent Gas Fireplace 1. Check gas type. The gas supply must be the same as stated on the appliance’s rating decal. If the gas supply is different from the fireplace, Stop! Do not install the appliance. -
Page 27: Electrical Installation
LX Series Direct Vent Gas Fireplace eLectRIcAL INStALLAtIoN ReMote WALL MouNteD SWItch A remote wall switch and up to fifteen (15) feet of 18 Ga. wire may be used with this appliance. Attach the wall switch in a junction box at the desired location on the wall. Figure 36. Do not extend beyond the wall switch wire length provided. -
Page 28: Glass Removal
FINAL INStALLAtIoN LX Series Direct Vent Gas Fireplace GLASS FRAMe ReMoVAL 1. Release two clamps on bottom of fireplace. Figure 37 each clamp has a quick spring force. When 2. Tilt glass frame out and lift glass frame up until it clears reinstalling clamps, keep fingers clear. -
Page 29: Log Placement
LoG pLAceMeNt LX Series Direct Vent Gas Fireplace Before you begin — This unit is supplied with eight ceramic fiber logs. Do not handle these logs with your bare hands. Always wear gloves to prevent skin irritation from ceramic fibers. After handling the logs, wash your hands gently with soap and water to remove any traces of fibers. - Page 30 LoG pLAceMeNt LX Series Direct Vent Gas Fireplace Rear Log #1 4. Place rear log (#1) on two pins against back side of firebox. Figure 39 Figure 39 Bottom Left LG804 Log #2 5. Place bottom left log (#2) LG804 on two pins against left LX rear log side of firebox.
- Page 31 LoG pLAceMeNt LX Series Direct Vent Gas Fireplace 7. Place right mid log (#7) on two right pins on burner assembly. Figure 42 Right Mid Log Top Left Log #4 Figure 42 LG809 8. Place top left log (#4) on two pins on left mid log.
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Page 32: Rock Wool
LoG pLAceMeNt LX Series Direct Vent Gas Fireplace 10. Place top center log (#8) across rear log (#1) pin and left mid log (#6) pin. Figure Center Log #8 LG806 Figure 45 LG807 LX top log Air Space Under Rear Log Figure 46 Rockwool Rockwool... -
Page 33: Air Restrictor Adjustment
AIR ReStRIctoR ADjuStMeNt LX Series Direct Vent Gas Fireplace Bend Tabs Up for All Vertical Applications Only Air Restrictor Slide Left and Right FP2719 Figure 47 - Adjust Baffle on Air Restrictor Screw Plate FP2719 The fireplace is equipped with a restrictor plate that is located inside the top chamber of the fireplace. -
Page 34: Facing Installation
FAcING INStALLAtIoN LX Series Direct Vent Gas Fireplace your firescreen’s finish has been covered at the factory with a protective enamel coating and should never be polished, nor should it ever need to be polished. Instead of polishing, clean with a mild soap solution using a clean cotton terry cloth, then dry. -
Page 35: For Your Safety Read Before Lighting
opeRAtING INStRuctIoNS LX Series Direct Vent Gas Fireplace FoR youR SAFety ReAD BeFoRe LIGhtING If you do not follow these instruction exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance is equipped with a pilot which must be lit with built-in ignitor while following these instructions exactly. -
Page 36: Lighting Pilot
opeRAtING INStRuctIoNS LX Series Direct Vent Gas Fireplace LIGhtING pILot FoR the FIRSt tIMe AppRoVeD LeAK teStING MethoD If using a soap and water solution You may check for gas leaks with the following to test for leaks, Do Not spray methods only: solution onto control body. -
Page 37: Lighting The Burner
LX Series Direct Vent Gas Fireplace opeRAtING INStRuctIoNS LIGhtING BuRNeR MAIN BuRNeR SWItch The “ON/OFF/RS” switch for the main burner can be found behind door of the fireplace. This switch allows you to turn on and to turn off the main burner without using the gas valve knob. -
Page 38: Maintenance
cLeANING MAINteNANce LX Series Direct Vent Gas Fireplace turn off gas before servicing fireplace. It Allow glass to cool before cleaning. Do is recommended that a qualified service not clean glass when it is hot. Damage technician perform these check-ups at the could occur. -
Page 39: Glass Replacement
cLeANING MAINteNANce LX Series Direct Vent Gas Fireplace Make sure the glass panel edges do not Always use gloves when handling broken touch any metal parts during thermal glass. expansion. • Never operate fireplace if glass is broken. • Replace any glass that is chipped, cracked, or broken. Replacement glass assemblies MUST be supplied by fireplace manufacturer —... -
Page 40: Troubleshooting
tRouBLeShootING LX Series Direct Vent Gas Fireplace turn appliance oFF and allow to cool before Note: All troubleshooting items are listed in servicing. order of operation. only qualified service person should service and repair the heater. ReMeDy oBSeRVeD pRoBLeM poSSIBLe cAuSe 1. -
Page 41: Replacement Parts
RepLAceMeNt pARtS LX Series Direct Vent Gas Fireplace LX36 LX32 Failure to position the parts in accordance with these diagrams or failure to use only 510528 parts specifically approved with this appli- LX parts ance may result in property damage or personal injury. - Page 42 RepLAceMeNt pARtS LX Series Direct Vent Gas Fireplace LX32DV LX36DV Ref. Description qty. Natural propane Natural propane 1. Rear Log 51D0402 51D0402 51D0002 51D0002 2. Bottom Left Log 51D0403 51D0403 51D0003 51D0003 3. Bottm Right Log 51D0404 51D0404 51D0004 51D0004 4.
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Page 43: Optional Accessories
optIoNAL AcceSSoRIeS LX Series Direct Vent Gas Fireplace Rolling "o" Decorative Arch Available in: Black, Textured Black, Vintage Iron, Nantucket Decorative Arch Gold Tone, Brushed Pewter and Gold Available in: Black, Textured Black, Vintage Iron, Gold Tone, Brushed Pewter and Gold Firescreen Doors Available in: Black, Textured Black, Vintage Iron,... - Page 44 optIoNAL AcceSSoRIeS LX Series Direct Vent Gas Fireplace Decorative Fronts Door option Description LX32 LX36 Available Black Rolling "O" Decorative Arched Facing LX32RBL LX36RBL Black Nantucket Decorative Arched Facing LX32NBL LX36NBL Rectangular Front Nantucket Black LX32RNBL LX36RNBL Textured Black Rolling "O" Decorative Arched Facing LX32RTB LX36RTB Textured Black Decorative Arched Facing...
- Page 45 LX Series Direct Vent Gas Fireplace 51D0528...
- Page 46 LX Series Direct Vent Gas Fireplace 51D0528...
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Page 47: Massachusetts Residents Only
LX Series Direct Vent Gas Fireplace Massachusetts Residents only — please read and follow these special requirements Note ReGARDING VeNteD pRoDuctS 2. Approved carbon Monoxide Detectors. Each carbon This product must be installed by a licensed plumber or gas fitter monoxide detector as required in accordance with the above when installed within the Commonwealth of Massachusetts. -
Page 48: Limited Lifetime Warranty Policy
After installation, if any of the components manufactured by MHSC in the appliance are found to be defective in materials or workmanship, MHSC will, at its option, replace or repair the defective components at no charge to the original owner. -
Page 49: Efficiency Ratings
Ratings Fireplace efficiency (%) LX32DVN 65.1 LX32DVP 66.2 LX36DVN 66.8 Recherchez dans la brochure LX36DVP 69.1 les caractéristique de rendement énergétique de foyer au gaz Énerguide Selon CSA P.4.1-09 Based on CSA P.4.1-09 MhSc 149 Cleveland Drive • Paris, Kentucky 40361 www.mhsc.com...
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