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Lexington Direct Vent
Gas Fireplace
Installation and Operating Instructions
Models: LX32DV, LX36DV
WARNINGS
IF the INFo RMAt Io N IN the Se INSt Ruct Io NS
ARe Not Fo LLo We D e XAct Ly, A FIRe
o R e XpLo SIo N MAy Re Su Lt c Au SING
pRope Rty DAMAGe, pe RSo NAL INju Ry o R
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 a
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coNteNtS LX Series Direct Vent Gas Fireplace congratulations ! 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. each element affecting combustion and flame appearance was carefully scrutinized and strategically balanced during the design process. Important Safety Information
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LX Series Direct Vent Gas Fireplace IMpoRt ANt SAFety INFoRMAtIoN INSt ALLeR 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. • Any change to this fireplace or its controls can be dangerous. • Improper installation or use of this fireplace can cause serious injury or death from fire, burns, explosions, electrical sho
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IMpoRt ANt SAFety INFoRMAtIoN LX Series Direct Vent Gas Fireplace 14. Do not use any solid fuels (wood, coal, paper, card- IMpoRt ANt : board, etc.) in this fireplace. Use only the gas type pLeASe ReAD the FoLLoWING indicated on rating plate. cAReFuLL y 15. This appliance, when installed, must be electrically It is normal for fireplaces fabricated of steel grounded in accordance with local codes or in the to give off some expansion and/or contraction absence of local codes, with the Natio
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OFF pRoDuct FeA tuReS LX Series Direct Vent Gas Fireplace pRoDuct SpecIFIcA tIoNS • 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. On/Off/ • The appliance must be installed in accordance with RS Switch local codes if any. If none exist use the current instal- lation code. ANSI Z223.1/NFPA 54 in the USA, CSA
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LX Series Direct Vent Gas Fireplace FIRepLAce and FRAMING DIMeNSIoNS 1" (25 mm) 20 ”( 516m m) Spacers Min. Rough 10 ” 6 ” (168 mm) Dia. (258 mm) Opening 4” (102 mm ) Dia. Depth 21 ” 44 "( 1124m m) (553 mm) 21 ” 16 ” (553 mm) (420 mm) 41 ” (1059 mm) Min. Rough Opening Width Min. Rough Opening Height C 47 ” L (1210 mm) 35 ” 40 ” 24” (911 mm) (1029 mm) (610 mm) Figure 2 - LX32 Fireplace & Framing Dimensions 2 " (71 mm) 5 ” 31 ” (807 mm) Minimum (133 mm) 10
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INSt ALLAtIoN INFoRMA tIoN LX Series Direct Vent Gas Fireplace FIRepLAce FRAMING BeFoRe you St ARt Read this homeowner manual thoroughly and follow all Firebox framing can be built before or after the appliance instructions carefully. Inspect all contents for shipping is set in place. Construct firebox framing following Figure damage and immediately inform your dealer if any damage 2 or 3. The framing headers may rest on the top of the is found. Do not install any unit with damaged, incomplet
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LX Series Direct Vent Gas Fireplace INSt ALLAtIoN INFoRMA tIoN FIRepLAce LocA tIoN Plan for the installation of your appliance. This includes determining where the unit is to be installed, the vent con- E A figuration to be used, framing and finishing details, and B Y whether any optional accessories (i.e. blower, wall switch, or remote control) are desired. Consult your local building X code agency to ensure compliance with local codes, includ- C ing permits and inspections. The following f
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LX32 - 30” (762 mm) LX36 - 34” (864 mm) LX32 - 39” (991 mm) LX36 - 43” (1092 mm) 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. If installed on carpet or vinyl flooring, the appliance shall be installed on a metal, wood or noncombu
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OFF 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. The side brackets are adjustable from 1/2" to 5/8" to accommodate different thickness of noncombustible material. Framing Adjustable Bracket Framing Screws Adjustable Bracket Screws Scr
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VeNtING INSt ALLAtIoN 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 6 B\," (175 mm) outer collar (within 1/4"). Screws optIoNAL top VeNt AppLIcA tIoN 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. When removing and refitting the plates and adapter be sure th
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VeNtING INSt ALLAtIoN 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. INSt ALLAtIoN pRecAutIoNS Consult local building codes before beginning the installat
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1" VeNtING INSt ALLAtIoN 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. horizontal sections of this vent system require a minimum of 3" clearances to combustibles at the top of the flue and 1" clearance at the sides and bottom until th
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LX Series Direct Vent Gas Fireplace VeNtING INSt ALLAtIoN INSt ALLAtIoN pLANNING There are two basic types of direct-vent installation: Never run the vent pipe level or downward. t his 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. It is also important to note the wall thickness. FoR hoRIZoNt AL teRMINA tIoN Select the amount of vertic
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V Operable VeNtING INSt ALLAtIoN LX Series Direct Vent Gas Fireplace GeNeRAL VeNtING INFoRMA tIoN - teRMINA tIoN LocA tIoN INSIDE CORNER DETAIL G V H A D E L C B Fixed B V B V Closed V Fixed Operable Closed F V B M V B J X B I V K X Figure 11 - A CFM145a Horizontal Vent Termina- tion Locations V VENT TERMINATION X AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED 1 2 canadian Installations uS Installations CFM145a A = Clearance above grade, veranda
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VeNtING INSt ALLAtIoN LX Series Direct Vent Gas Fireplace Termination Clearances Termination clearances for buildings with combustible and noncombustible exteriors. Inside Corner Outside Corner Alcove Applications* D C C F = Combustible G = 6" (152 mm) Combustible V G 6" (152 mm) Noncombustible V E 2" (51 mm) Noncombustible O V F 2" (51 mm) Balcony - Balcony - with no side wall with perpendicular side wall E = Min. 6” (152 mm) for non-vinyl sidewalls Min. 12” (305 mm) for Figure
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VeNtING INSt ALLAtIoN LX Series Direct Vent Gas Fireplace ReAR WALL VeNt INSt ALLAtIoN 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. termination behind the appliance Twist-lock Procedure: The female ends of the pipes • 45
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VeNtING INSt ALLAtIoN LX Series Direct Vent Gas Fireplace Deflecting Shield Interior Wall Surface Vent Cap (Horizontal Fire Stop Termination) Assembly Vent Cap FP1957 FP2715 Horizontal Screw Vent Pipe Figure 19 - Connect Vent Cap with Horizontal Vent Pipe Apply Mastic to Wood Screw All Four Sides Figure 17 - hoRIZoNt AL (thRouGh the WALL) teR - Installing Horizontal Vent Cap MINAtIoN coNFIGuRA tIoNS For vinyl siding, stucco, or wood exterior use vinyl siding Since it is very impor
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VeNtING INSt ALLAtIoN 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 FP1176 90° FP1959 36" (914 mm) Max. A B FP1176 max 90 bends 36" (914 mm) Max. FP1959 max run w/elbows 7’6” Figure 21 - (2.3 m) FP1177 Maximum Horizontal Run with No Rise Figure 23 - example: According to the vent graph (Page 16) the
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VeNtING INSt ALLAtIoN LX Series Direct Vent Gas Fireplace If the foundation is recessed, use recess brackets (not BeLoW GRADe INSt ALLAtIoNS 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" above grade level, a snorkel kit is recom- ing #8 x 1/2 sheet metal screws. It will be necessary to mended. It allows installation depth down to 7" (178 m
