NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.1VENTED GAS FIREPLACE HEATERS - DIRECT VENT MODELSP/N 850,043M REV. E 06/2008MODELSDIRECT VENTMERIT
10NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.Figure 13Step 3. INSTALL THE VENT SYSTEMGeneral InformationThese instructions should be used as a gu
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.11Maintain a minimum 1" (25 mm) clearanceto combustible materials for all verticalvent elements.C
12NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.10 1/2” Min.(267 mm)10 1/2” Min.(267 mm)Figure 14Align the dimple (four places) of theupper vent sec
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.13Maintain a minimum 1" (25 mm) clearanceto combustible materials for all verticalvent elements.C
14NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.Note: Install second restrictor in any runhaving more than 8 ft. of vertical rise.Figure 23 - Top V
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.15Figure 25 - Top Vent - THREE ELBOWSExample: If 20 feet of (H) horizontal vent run isneeded, then 4
16NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.VerticalRiseSV4.5E90ElbowHorizontal / Inclined RunSV4.5 HT-2TerminationFirestop/SpacerSV4.5L6/12/24/
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.17Horizontal terminations have been designed to perform in a wide range of weatherconditions. Our ter
18NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.HORIZONTAL VENT FIGURES/TABLESNote: Two 45 degree elbows may be used in place of one 90 degree elbo
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.19Figure 30 - Top Vent - ONE 90 DEGREE ELBOW - ELBOWCONNECTION NOT DIRECTLY AT APPLIANCESee Table 3
2NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.Figure 1TABLE OF CONTENTSPackaging... page 2Introduction...
20NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.Example: If 20 feet of (H) horizontal vent runis needed, then 4 feet minimum of (V) verticalvent wi
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.21GEARCLAMPSAdapter(SV4.5RF)Apply ONLY MIL-PAC BLACK HIGHTEMPERATURE SEALANT (Catalog No.10K81) to the
22NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.Step 4. FIELD WIRINGCaution: Label all wires prior to disconnec-tion when servicing controls. Wiri
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.23Figure 39Step 5. CONNECTING GAS LINEAll codes require a shut-off valve mounted inthe supply line. T
24NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.Figure 40DoorAssemblyGas Line Access PanelBottom PanelBurnerAssemblyFigure 42 -Figure 41INSTALLING T
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.25Figure 43Figure 44Burner AdjustmentStep 9. BURNER ADJUSTMENTSFlame Appearance and sootingProper fla
26NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.17"14"Min. Distance ToUnprotected Side Wall8-1/4"45°Combustible MaterialsAllowed In S
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.27INSTALLATION ACCESSORIES CONTINUEDdetsiL xelFeruceS stnenopmoC™.taC.oNledoM.oNnoitpircseD.retpadaxel
28NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.Figure 47Burner AssemblyGas ValveAssemblyOrificeAir AdjustmentArmIn Canada:THE CONVERSION SHALL BE C
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.29PressureRegulatorRemoveTheseComponentsPilotOrificeFigure 51Figure 50Figure 52Figure 49Figure 48Note:
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.3Note: Power venting of direct vent fireplacesmay result in the reduction of efficiencies byas much
30NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.NOTE: THIS PAGE INTENTIONALLY LEFT BLANK.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.31NOTE: THIS PAGE INTENTIONALLY LEFT BLANK.
32NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.Printed in U.S.A. © 2007 by Lennox Hearth ProductsP/N 850,043M REV. E 06/2008Lennox Hearth Produ
4NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.Figure 2Figure 3*Note: 3 in. (76mm) above any horizontal/inclined vent component for the MPLDV30in a
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.512XRoof Pitch is X/122 FTMIN.2 FT MIN.LowestDischargeOpeningH**H = MINIMUM HEIGHT FROM ROOF TOLOWEST
6NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.The fireplace should be secured to the side framingmembers using the unit's nailing flanges - on
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.7Figure 8EXTERIOR HORIZONTAL VENT TERMINATION CLEARANCE REQUIREMENTSVVVVVFCFixedClosedWindowOperableWi
8NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.Figure 10Figure 9 FramingFIREPLACE FRAMING SPECIFICATIONSCorner Framing with Squa
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.9RIGHT SIDE VIEWB17(432)1(25.4)LEFT SIDE VIEW4 3/4(121)2 9/32(58)TOP VIEW6 5/8(168)FGFRONT VIEW13 11/6
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