MHSC LEXINGTON LX32DV Installation And Operating Instructions Manual

Direct vent gas fireplace

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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.
– WhAt to Do IF you SMeLL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from
a neighbor's phone. Follow the gas
supplier's instructions.
• If you cannot reach your gas supplier, call
the fire department.
– Installation and service must be performed
by a qualified installer, service agency or
the gas supplier.
WARNING: Improper installation, adjustment,
alteration, services 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.
this appliance is only for use with the type
of gas indicated on the rating plate. this
appliance is not convertible for use with other
gases, unless a certified kit is used.
this appliance may be installed in an aftermarket*,
permanently located, manufactured home,
where not prohibited by local codes.
*Aftermarket: completion of sale, not for purpose of
resale, from the manufacturer.
Lexington Direct Vent
Gas Fireplace

Installation and Operating Instructions

Models: LX32DV, LX36DV
D u e t o h I G h t e M p e R At u R e S , t h e
AppLIANce ShouLD Be LocAteD out oF
tRAFFIc AND AWAy FRoM FuRNItuRe AND
DRApeRIeS.
chILDReN AND ADuLtS ShouLD Be ALeRteD
to the hAZARDS oF hIGh SuRFAce
teMpeRAtuRe AND ShouLD StAy AWAy to
AVoID BuRNS oR cLothING IGNItIoN.
youNG chILDReN ShouLD Be SupeRVISeD
WheN they ARe IN the SAMe RooM AS the
AppLIANce.
cLothING oR otheR FLAMMABLe MAteRIAL
ShouLD Not Be pLAceD oN oR NeAR the
AppLIANce.
Keep the RooM AReA cLeAR AND FRee
FRoM coMBuStIBLe MAteRIALS, GASoLINe,
AND otheR FLAMMABLe VApoRS AND
LIquIDS.
INStALLeR: Leave this manual with the appliance.
coNSuMeR: Retain this manual for future refer-
ence.
510528
LX cover
51D0528 2/10 Rev. 9

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Summary of Contents for MHSC LEXINGTON LX32DV

  • Page 1: Installation And Operating Instructions

    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.
  • Page 2: Table Of Contents

    LX Series Direct Vent Gas Fireplace you have purchased a state-of-the-art gas appliance featuring the 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.
  • Page 3: Important Safety Information

    IMpoRtANt SAFety INFoRMAtIoN INStALLeR Please leave these instructions with the appliance. • Read this owner’s manual carefully and completely before trying to assemble, operate, or service this fireplace. • Any change to this fireplace or its controls can be dangerous. •...
  • Page 4: Code Approval

    LX Series Direct Vent Gas Fireplace 14. Do not use any solid fuels (wood, coal, paper, card- board, etc.) in this fireplace. Use only the gas type indicated on rating plate. 15. This appliance, when installed, must be electrically grounded in accordance with local codes or in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70, or the Canadian Electrical Code, CSA C22.1.
  • Page 5: Product Features

    pRoDuct FeAtuReS 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 6: Fireplace & Framing Dimensions

    LX Series Direct Vent Gas Fireplace 44 " (1124 mm) Figure 2 - LX32 Fireplace & Framing Dimensions 47" (1194 mm) Figure 3 - LX36 Fireplace & Framing Dimensions FIRepLAce and FRAMING DIMeNSIoNS 1" (25 mm) 20 ” (516 mm) Spacers Min. Rough (258 mm) Opening  Depth 21 ” (553 mm) 21 ”...
  • Page 7: Installation Information

    INStALLAtIoN INFoRMAtIoN BeFoRe you StARt Read this homeowner manual thoroughly and follow all instructions carefully. Inspect all contents for shipping damage and immediately inform your dealer if any damage is found. Do not install any unit with damaged, incomplete, or substitute parts. Check your packing list to verify that all listed parts have been received.
  • Page 8: Fireplace Location

    LX Series Direct Vent Gas Fireplace 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 9: Clearances

    cLeARANceS 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. If installed on carpet or vinyl flooring, the appliance shall be installed on a metal, wood or noncombustible material panel extending full width and depth of the appliance.
  • Page 10: 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 11: Venting Installation

    VeNtING INStALLAtIoN After conversion to top vent configuration the 4" (102 mm) flue pipe should be concentric within the 6B\," (175 mm) outer collar (within 1/4"). 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 12: Installation Precautions

    LX Series Direct Vent Gas Fireplace Read all instructions completely and thoroughly before attempting installation. Failure to do so could result in serious injury, property damage or loss of life. operation of improperly installed and maintained venting system could result in serious injury, property damage or loss of life. Failure to follow these instructions will void the warranty.
  • Page 13: Installation Clearances For Vent Pipe

    VeNtING INStALLAtIoN 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 14: Installation Planning

    LX Series Direct Vent Gas Fireplace INStALLAtIoN pLANNING There are two basic types of direct-vent installation: • Horizontal Termination • Vertical Termination It is important to select the proper length of vent pipe for the type of termination you choose. It is also important to note the wall thickness.
  • Page 15: General Information - Termination Location

    VeNtING INStALLAtIoN GeNeRAL VeNtING INFoRMAtIoN - teRMINAtIoN LocAtIoN D  E  L  B  Figure 11 - Horizontal Vent Termina- tion Locations A = Clearance above grade, veranda, porch, deck, or balcony B = Clearance to window or door that may be opened C = Clearance to permanently closed window D = Vertical clearance to ventilated soffit located...
  • Page 16: How To Use The Vent Graph

    LX Series Direct Vent Gas Fireplace Termination Clearances Termination clearances for buildings with combustible and noncombustible exteriors. Inside Corner Combustible Noncombustible Balcony - with no side wall Figure 12 - Allowable Venting Combustible & Noncombustible 12" (305 mm) *Note: Termination in an alcove space (spaces open only on one side and with an overhang) is permitted with the dimensions specified for vinyl or non-vinyl siding and soffits.
  • Page 17: Rear Wall Vent Installation

    VeNtING INStALLAtIoN ReAR WALL VeNt INStALLAtIoN When installed as a rear vent unit this appliance may be vented directly to a termination located on the rear outside termination behind the appliance • 45° elbows may only be attached to rear when used to direct the flue skyward (to achieve additional rise).
  • Page 18: Horizontal (Through The Wall) Termination

    LX Series Direct Vent Gas Fireplace Deflecting Shield FP2715 Apply Mastic to All Four Sides Figure 17 - Installing Horizontal Vent Cap For vinyl siding, stucco, or wood exterior use vinyl siding FP2715 standoffs between vent cap and exterior wall. The vinyl horiz cap w shield siding standoff prevents excessive heat from melting the vinyl siding material.
  • Page 19 VeNtING INStALLAtIoN 3 x 90° Elbows 3 x 90° Elbows Figure 20 - Maximum Three (3) 90° Elbows Per Installation 36" (914 mm) Max. FP1176 max 90 bends Figure 21 - Maximum Horizontal Run with No Rise example: According to the vent graph (Page 16) the maximum horizontal vent length in a system with a 7.5' vertical rise is 20’...
  • Page 20: Below Grade Installation

    LX Series Direct Vent Gas Fireplace BeLoW GRADe INStALLAtIoNS When it is not possible to meet the required vent terminal clearances of 12" above grade level, a snorkel kit is recom- mended. It allows installation depth down to 7" (178 mm) below grade level.
  • Page 21: Installation For Vertical Termination

    VeNtING INStALLAtIoN Maximum Height 10' Maximum Minimum Height Support Straps Every 3' Maximum Height Minimum Height Support Straps Every 3' FP1183 Figure 27 - Support Straps for Horizontal Runs Example: Elbow 1 = 90° FP1183 max height Figure 28 - Maximum Elbow Usage 51D0528 FP1179...
  • Page 22 LX Series Direct Vent Gas Fireplace side. This prevents loose insulation from falling into the required clearance space. Figure 30. Otherwise, install firestop below the framed hole. The firestop should be installed with no less than three nails per side. Figure Firestop Figure 30 - If area above is a room, install firestop above framed...
  • Page 23: Fireplace Installation

    FIRepLAce INStALLAtIoN 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. INStALLING GAS pIpING to FIRepLAce LocAtIoN A qualified installer or service person must connect appliance to gas supply.
  • Page 24 LX Series Direct Vent Gas Fireplace only persons licensed to work with gas piping may make the necessary gas connections to this appliance. Note : The gas line connection may be made using 1/2" rigid tubing or an approved flex connector. Since some municipalities have additional local codes it is always best to consult your local authorities and the current edition of the National Fuel Gas Code ANSI.Z223.1, NFPA54.
  • Page 25: Checking Gas Pressure

    checKING GAS pReSSuRe and eLectRIcAL INStALLAtIoN 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. Contact your dealer immediately. 2.
  • Page 26: Electrical Installation

    LX Series Direct Vent Gas Fireplace 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 27: Final Installation

    FINAL INStALLAtIoN GLASS FRAMe ReMoVAL 1. Release two clamps on bottom of fireplace. Figure 37 2. Tilt glass frame out and lift glass frame up until it clears three tabs on top of fireplace. 3. Set glass frame aside. Glass Frame Figure 37 - Remove Glass Frame WARNING...
  • Page 28: 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. the positioning of the logs is critical to the safe and clean operation of this heater.
  • Page 29: Log Placement

    LoG pLAceMeNt 4. Place rear log (#1) on two pins against back side of firebox. Figure 39 Bottom Left Log #2 Figure 40 LG803 LX left rear log 6. Place left mid log (#6) on two left pins on burner assembly. Figure 51D0528 Rear Log #1 Figure 39...
  • Page 30 LX Series Direct Vent Gas Fireplace 7. Place right mid log (#7) on two right pins on burner assembly. Figure 42 Top Left Log #4 Figure 43 LG806 LX Top left log 9. Place right top log (#5) on two pins on middle left log.
  • Page 31 LoG pLAceMeNt 10. Place top center log (#8) across rear log (#1) pin and left mid log (#6) pin. Figure Air Space Under Rear Log Rockwool 11. Break up rock wool (ember material) into dime- sized pieces. Place evenly across both burner LG811 surfaces.
  • Page 32: Air Restrictor Adjustment

    LX Series Direct Vent Gas Fireplace Bend Tabs Up for All Vertical Applications Only Air Restrictor Slide Left and Right Figure 47 - Adjust Baffle on Air Restrictor Plate The fireplace is equipped with a restrictor plate that is located inside the top chamber of the fireplace. Depending upon the vent configuration, you may be required to adjust the restrictor position 1.
  • Page 33: Facing Installation

    FAcING INStALLAtIoN 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 34: Operating Instructions

    LX Series Direct Vent Gas Fireplace FoR youR SAFety ReAD BeFoRe LIGhtING A. This appliance is equipped with a pilot which must be lit with built-in ignitor while following these instructions exactly. B. BEFORE OPERATING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.
  • Page 35: Lighting Pilot

    opeRAtING INStRuctIoNS LIGhtING pILot FoR the FIRSt tIMe AppRoVeD LeAK teStING MethoD You may check for gas leaks with the following methods only: • Soap and water solution • An approved leak testing spray • Electronic sniffer Never check for gas leak with open flame! Check for gas leaks in each of the following locations: •...
  • Page 36: Lighting Burner

    LX Series Direct Vent Gas Fireplace 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. Make sure the button is in the “ON” position to light the main burner.
  • Page 37: Maintenance

    cLeANING MAINteNANce turn off gas before servicing fireplace. It is recommended that a qualified service technician perform these check-ups at the beginning of each heating season Make sure the gas valve knob is in the “OFF” position. Wait at least five (5) minutes before start-ing maintenance. Fireplace must be cold before starting maintenance.
  • Page 38: Glass Replacement

    LX Series Direct Vent Gas Fireplace Always use gloves when handling broken glass. • 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 — No substitute materials may be used.
  • Page 39: Troubleshooting

    tRouBLeShootING turn appliance oFF and allow to cool before servicing. only qualified service person should service and repair the heater. oBSeRVeD pRoBLeM Spark ignitor will not light the pilot after repeated pressing of spark ignitor. Pilot will not stay lit. Burner will not light when valve and burner switch are both on.
  • Page 40: Replacement Parts

    LX Series Direct Vent Gas Fireplace 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. RepLAceMeNt pARtS 51D0528...
  • Page 41 RepLAceMeNt pARtS Ref. Description 1. Rear Log 2. Bottom Left Log 3. Bottm Right Log 4. Left Top Log 5. Right Top Log 6. Left Mid Log 7. Right Mid Log 8. Center Log 9. Blower UPPCO 10. Speed Control 11.
  • Page 42: Optional Accessories

    LX Series Direct Vent Gas Fireplace Rolling "o" Decorative Arch Available in: Black, Textured Black, Vintage Iron, Gold Tone, Brushed Pewter and Gold Firescreen Doors Available in: Black, Textured Black, Vintage Iron, Gold Tone, Brushed Pewter and Gold Nantucket Decorative Arch Available in: Black, Textured Black, Vintage Iron, Gold Tone, Brushed Pewter and Gold...
  • Page 43 optIoNAL AcceSSoRIeS Decorative Fronts Description Black Rolling "O" Decorative Arched Facing Black Nantucket Decorative Arched Facing Rectangular Front Nantucket Black Textured Black Rolling "O" Decorative Arched Facing Textured Black Decorative Arched Facing Rectangular Front Nantucket Black Vintage Iron Rolling "O" Decorative Arched Facing Vintage Iron Nantucket Decorative Arched Facing Rectangular Front Nantucket Vintage Iron Gold Tone Rolling "O"...
  • Page 44 LX Series Direct Vent Gas Fireplace 51D0528...
  • Page 45 LX Series Direct Vent Gas Fireplace 51D0528...
  • Page 46: Massachusetts Residents Only

    LX Series Direct Vent Gas Fireplace Massachusetts Residents only — please read and follow these special requirements Note ReGARDING VeNteD pRoDuctS This product must be installed by a licensed plumber or gas fitter when installed within the Commonwealth of Massachusetts. Any residence with a direct vent product must have a CO detector installed in the residence.
  • Page 47: Warranty

    LIMIteD LIFetIMe WARRANty poLIcy LX Series Direct Vent Gas Fireplace LIFetIMe WARRANty The following components are warranted for life to the original owner, subject to proof of pur- chase: Firebox, Combustion Chamber, Heat Exchanger, Grate and Stainless Steel Burners. FIVe yeAR WARRANty The following components are warranted five (5) years to the original owner, subject of proof of purchase: Ceramic Fiber Logs.
  • Page 48: Efficiencies

    Based on CSA P.4.1-09 efficiency Ratings Model enerGuide 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 Based on CSA P.4.1-09 Selon CSA P.4.1-09 MhSc 149 Cleveland Drive • Paris, Kentucky 40361 www.mhsc.com...

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Lexington lx36dv

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