Lennox Hearth Products Electronic LMDV-3530-CNM Installation Instructions Manual
Direct vent merit lmdv-33/35/40 series vented gas fireplace heaters
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This appliance may be installed in an aftermarket
permanently located, manufactured home (USA
only) or mobile home, where not prohibited by
local codes. 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.
In the Commonwealth of Massachusetts:
Installation must be performed by a licensed plumber or
•
gas fitter;
• See Table of Contents for location of additional Com-
monwealth of Massachusetts requirements.
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.
Do not store or use gasoline or other flammable
vapors or liquids in the vicinity of this or any
other appliance.
WHAT TO DO IF YOU SMELL GAS:
• Do not 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 your gas supplier's
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
.
US
A French manual is available upon request. Order P/N 850,029CF
Ce manuel d'installation est disponible en francais, simplement en
faire la demande. Numéro de la pièce 850,029CF.
OTL Report No. 116-F-31-5
INSTALLATION
INSTRUCTIONS
DIRECT VENT MERIT
LMDV-33/35/40 SERIES
VENTED GAS FIREPLACE HEATERS - DIRECT VENT MODELS
P/N 850,029M REV. G 05/2008
MODELS
Millivolt Models
LMDVT-3328-CNM
LMDV-3530-CNM
LMDV-3530-CPM
LMDVT-3328-CPM
LMDVR-3328-CNM
LMDV-4035-CNM
LMDV-4035-CPM
LMDVR-3328-CPM
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
AVERTISSEMENT: ASSUREZ-VOUS DE BIEN
SUIVRE LES INSTRUCTIONS DONNÉ DANS CETTE
NOTICE POUR RÉDUIRE AU MINIMUM LE RISQUE
D'INCENDIE OU POUR ÉVITER TOUT DOMMAGE
MATÉRIEL, TOUTE BLESSURE OU LA MORT.
POUR VOTRE SÉCURITÉ: Ne pas entreposer ni
utiliser d'essence ni d'autre vapeurs ou liquides
inflammables dans le voisinage de cet appareil ou
de tout autre appareil.
POUR VOTRE SÉCURITÉ: Que faire si vous sentez
une odeur de gaz:
• Ne pas tenter d'allumer d'appareil.
• Ne touchez à aucun interrupteur. Ne pas vous
servir des téléphones se trouvant dans le bati-
ment où vous vous trouvez.
• Evacuez la piéce, le bâtiment ou la zone.
• Appelez immédiatement votre fournisseur de
gaz depuis un voisin. Suivez les instructions du
fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de
gaz, appelez le service dos incendies.
L'installation et service doit être exécuté par un
qualifié installeur, agence de service ou le fournis-
seur de gaz.
™
Electronic Models
LMDVT-3328-CNE
LMDVR-3328-CNE
LMDV-3530-CNE
LMDV-4035-CNE
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Table of Contents
Related Manuals for Lennox Hearth Products Electronic LMDV-3530-CNM
Summary of Contents for Lennox Hearth Products Electronic LMDV-3530-CNM
- Page 1 This appliance may be installed in an aftermarket permanently located, manufactured home (USA only) or mobile home, where not prohibited by local codes. 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.
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Page 2: Table Of Contents
TABLE OF CONTENTS Packaging ...Page 2 Introduction ...Page 2 General Information ...Page 2 New York City Approval ..Page 3 Requirements for the Commonwealth of Massachusetts .Page 4 Cold Climate Insulation ...Page 4 Location ...Page 4 Manufactured Home Requirements ..Page 5 Vent Termination Clearances ..Page 5 Appliance and Vent Clearances ...Page 7 Detailed Installation Steps ..Page 8 Typical Installation Sequence ...Page 8 Step 1. Framing ..Page 8 Step 2. Routing Gas Line ...Page 8 Fireplace Specifications . - Page 3 Input (BTU) Manually-Modulated Gas Valves (millivolt models) NATURAL GAS Models Input Rate (BTU / HR) LMDVT-3328CNM 17,500 high LMDVR-3328CNM 11,700 low 20,000 high LMDV-3530CNM 12,800 low 27,000 high LMDV-4035CNM 18,500 low Table 1 Input (BTU) Manually-Modulated Gas Valves (millivolt models) PROPANE GAS Models Input Rate (BTU / HR)
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Page 4: New York City Approval
Massachusetts And New York City, NY Re- quirements These appliances are approved for installation in the following USA locations listed in the following: Massachusetts: These fireplaces are approved for installation in the US state of Massachusetts if the following additional requirements are met- • Installation and repair must be done by a plumber or gas fitter licensed in the Common- wealth of Massachusetts. • The flexible gas line connector used shall not exceed 36 inches (92 centimeters) in length. • The individual manual shut-off must be a T-handle type valve. -
Page 5: Manufactured Home Requirements
MANUFACTURED HOME REQUIREMENTS This appliance may be installed in an after- market permanently located, manufactured home (USA only) or mobile home, where not prohibited by local codes. Cet appareil peut être installé dans un maison préfabriquée (É.-U. seulement) ou mobile déjà installée à demeure si les réglements locaux le permettent. - Page 6 EXTERIOR HORIZONTAL VENT TERMINATION CLEARANCE REQUIREMENTS See Item D in the Text Below. Center Line Exterior Wall of Termination *18” Horizontal Termination 18” Ventilated Soffit Inside Corner Detail D = Air Supply Inlet y l t i t r l i t t s i l i t i f f...
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Page 7: Appliance And Vent Clearances
MINIMUM CLEARANCES TO COMBUSTIBLES Hearth Extension A hearth extension is not required with this appliance. If a hearth extension is used, do not block the lower control compartment door. Any hearth extension used is for appearance only and does not have to conform to standard hearth extension installation requirements. Wall Finishes / Surrounds / Mantels Note: Combustible wall finish materials and/or surround materials must not be allowed to encroach the area defined by the appliance front face (black sheet metal). Never allow combustible materials to be positioned in front of or overlapping the appliance front face. -
Page 8: Detailed Installation Steps
DETAILED INSTALLATION STEPS The appliance is shipped with all gas controls and components installed and pre-wired. Remove the shipping carton, exposing the front glass door. Remove the top and bottom louvered control panel per instructions on Page 25 (see Control Compartment Access / Louver Panel Instructions). Remove the cardboard from underneath the pressure relief plates (in area behind top louver panel, See Figure 11). Open the two latches (located under the firebox floor) securing the glass door. Remove the door by tilting it outward at the bottom and lifting it up. -
Page 9: Fireplace Specifications
FIREPLACE SPECIFICATIONS Framing Framing Dimensions Model No. 33-1/4 LMDVT-3328 33-1/4 LMDVR-3328 35-1/4 LMDV-3530 40-1/4 LMDV-4035 1022 Efficiencies % Natural Gas Models Steady State LMDVT-3328 LMDVR-3328 LMDV-3530 LMDV-4035 Notes * The Steady State Efficiency numbers based on maximum vent configuration. Due to Lennox' ongoing commitment to quality, all specifications, ratings and dimensions are subject LMDVT-3328CPM to change without notice. - Page 10 FIREPLACE FRAMING SPECIFICATIONS Note- Venting requirments for rear vent applications in corner installations - • The horizontal vent length "a" to "b" must not exceed 28 inches (711 mm). LMDVT-3328 and LMDVR-3328 Models - Dimension A to F occur when one 45 degree elbow is connected directly to the appliance collar.
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Page 11: Step 3. Install The Venting System
Step 3. INSTALL THE VENT SYSTEM General Information These instructions should be used as a guide- line and do not supersede local codes in any way. Install vent according to local codes, these instructions, the current National Fuel Gas Code (ANSI-Z223.1) in the USA or the current standards of CAN/CGA-B149.1 and -B149.2 in Canada. -
Page 12: Vertical Termination Systems
VERTICAL TERMINATION SYSTEMS (ROOF) See Figure 20 on Page 12 and Figures 28- 32 on Pages 15 and 16 and their associated Vertical Vent Tables which illustrate the various vertical venting configurations that are possible for use with these appliances. Secure Vent pipe applications are shown in these Figures; Secure Flex pipe may also be used. A Vertical Vent Table summarizes each system’s minimum and maximum vertical and horizontal length values that can be used to design and install the vent components in a variety of applications. Both these vertical vent systems terminate through the roof. The minimum vent height above the roof and/or adjacent walls is speci- fied in ANSI Z223.1-(latest edition) (In Canada,... - Page 13 Vertical (Offset) Installation Analyze the vent routing and determine the quantities of vent sections and number of elbows required. Refer to Vertical Vent Figures and Tables on Pages 15 and 16 to select the type of vertical installation desired. Vent sections are available in net lengths of 4-1/2" (114 mm), 10-1/2" (267 mm), 22-1/2" (572 mm), 34-1/2" (876 mm) and 46-1/2" (1181 mm). Refer to the Vent Section Length Chart on Page 12 for an aid in selecting length combinations. Elbows are available in 90° and 45° configurations. Refer to Figure 24 on Page 14 for the SV4.5E45 and...
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Page 14: Vertical Vent Tables And Figures
One method of support is by utilizing field pro- vided support straps (conventional plumber's tape). Secure the plumber's tape to the framing members with nails or screws. Loop the tape around the vent, securing the ends of the tape to the framing. If desired, sheet metal screws #6 x 1/2" length may be used to secure the support straps to the vent pipe. Refer to Figure 23. F. Change vent direction to horizontal/inclined run - At transition from or to a horizontal/in- clined run, install the SV4.5E45 and SV4.5E90 elbows in the same manner as the straight vent sections. The elbows feature a twist section to allow them to be routed about the center axis of their initial collar section to align with the required direction of the next vent run element. Twist elbow sections in a clockwise direction only so as to avoid the possiblity of unlocking any of the previously connected vent sections. - Page 15 Notes: • It is very important that the horizontal/in- clined run be maintained in a straight (no dips) and recommended to be in a slightly elevated plane, in a direction away from the fireplace of 1/4" rise per foot (20 mm per meter) which is ideal, though rise per foot run ratios that are smaller are acceptable all the way down to at or near level.
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Page 16: Horizontal Termination System
VERTICAL VENT FIGURES/TABLES Table C Maximum H Maximum feet (meter) feet (meter) (1.524) (0.610) (3.048) (1.219) (4.572) (1.829) (6.096) (2.438) V + V 1 + H + H 1 = 40 feet (12.2 m) Max H = 8 feet (2.438 meters) Max. H + H 1 = 20 feet (6.096 meters) Max. - Page 17 Building Support Brackets Support Framing SV4.5E90 Elbow Ceiling Vertical Rise Figure 33 B. Frame exterior wall opening - Locate the center of the vent outlet on the exterior wall according to the dimen- sions shown in Figure 14 on Page 9. Cut and/or frame an opening, 10-1/2" x 12 1/8"...
- Page 18 J. Assemble vent run to exterior wall - If not previously measured, locate the center of the vent at the exterior wall. Prepare an opening as described in Step B. Assemble the vent system to point where the terminus of the last section is located relative to the exterior surface to which the termination is to be attached as shown in Figure 35 and Table 12 on Pages 18 & 19. If the terminus of the last section is not within this distance, use the telescopic vent section SV4.5LA, as the last vent section. For wall thicknesses greater than that shown in Figure 35, refer to Table 12 on Page 19. This Table lists the additional venting components needed (in addition to the termination and adapter) for a particular range of wall thicknesses.
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Page 19: Horizontal Vent Tables And Figures
HORIZONTAL VENT FIGURES/TABLES Notes: • Secure Vent components (rigid vent pipe and terminal) are shown in the Figures; Secure Flex components (flexible vent pipe and terminal) may also be used. • Two 45 degree elbows may be used in place of one 90 degree elbow. The same rise to run ratios, as shown in the venting Figures for 90 elbows,must be followed if 45 degree elbows are used. - Page 20 HORIZONTAL VENT FIGURES / TABLES (CONTINUED) Square termination (SV4.5HT-2) shown. Figure 39 - Rear Vent - TWO 90 DEGREE ELBOWS � Wall Firestop/Spacer (SV4.5HF) � Square termination (SV4.5HT-2) shown. See Table 12 on Page 19 as an aid in venting component selection for a particular range of exterior wall thicknesses.
- Page 21 HORIZONTAL VENT FIGURES / TABLES (CONTINUED) � Wall Firestop/Spacer (SV4.5HF) Square termination (SV4.5HT-2) shown. Figure 41 - Rear Vent - THREE 90 DEGREE ELBOWS Square termination (SV4.5HT-2) shown. � Wall Firestop/Spacer (SV4.5HF) See Table 12 on Page 19 as an aid in venting component selection for a particular range of exterior wall thick- nesses.
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Page 22: Venting Using Flexible Vent Pipe
VERTICAL OR HORIZONTAL VENTING USING SECuRE FLEX KITS AND COMPONENTS Secure Flex venting kits and components may be used in any venting application in place of rigid Secure Vent (SV4.5) direct vent components. All restrictions, clearances and allowances that pertain to the rigid piping apply to the flexible venting. Secure Flex kits may not be modified; also, under no circumstances may separate sections of flex pipe be joined together. -
Page 23: Step 4. Field Wiring
Step 4. FIELD WIRING CAUTION Label all wires prior to discon- nection when servicing controls. Wiring errors can cause improper and dangerous appliance opera- tion. CAUTION Ensure that wires are positioned away from hot surfaces and sharp edges. CAUTION Do not connect the optional wall switch for burner operation to a 120 Volt AC power supply. -
Page 24: Step 6. Connecting Gas Line
Plug blower Green into this receptacle Blower Ground Tab Intact Green Neutral Ground Side of Screw Receptacle View A J-Box Wiring when Relay Module C/W FBK-250 only. Plug blower using unit mounted into J-Box receptacle for FBK-100 or FBK-200 relay module. application. -
Page 25: Step 7. Checking Unit Operation
TEST ALL CONNECTIONS FOR GAS LEAKS (FACTORY AND FIELD): WARNING Never use an open flame to check for leaks. Turn on gas supply and test for gas leaks using a gas leak test solution (also referred to as bubble leak solution). Note: Using a soapy water solution (50% dish soap, 50% water) is an effective leak test solution but it is not recommended, because the soap residue that is left on the pipes/fittings can result in corrosion over time. A. Light the appliance (refer to the lighting instructions label in control compartment or homeowner's manual). B. Brush all joints and connections with the gas leak test solution to check for leaks. If bubbles are formed, or gas odor is detected, turn the gas control knob (off/pilot/on) to the “OFF” position. Either tighten or refasten the leaking connection, then retest as described above. -
Page 26: Step 8. Installing Logs
Electronic Appliance Checkout To light the burner, turn ‘ON’ the optional remote wall switch and turn the gas control switch to the “ON” position. Ensure the Igniter lights the pilot. The pilot flame should engulf the flame rod as shown in Figure 53. ELECTRONIC PILOT ASSEMBLY Proper Pilot Flame Appearance 3/8" to 1/2" Proper Flame (9 -13 mm) Adjustment Pilot Nozzels Ground Electrode Flame Rod Hot Surface Igniter Figure 53 Step 8. INSTALL VERMICULITE, VOL- CANIC STONE, GLOWING EMBERS AND LOGS 1. - Page 27 MODEL LMDV-3328 & LMDV-3530 Log Placement Instructions LOG SET Catalog Number H3366 * Item Description Log, Rear Log, Left Log, Left Center Log, Right Center Log, Right * Item "letters" above correspond to photos Install the Embers, Vermiculite, Volcanic Stone and Logs in the order shown here (1 through 6) and per the instructions on Page 26.
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Page 28: Log Placement Instructions
MODEL LMDV-4035 Log Placement Instructions LOG SET Catalog Number * Item Description Log, Rear Log, Left Log, Center Log, Center Front Log, Right * Item "letters" above correspond to photos Install the Embers, Vermiculite, Volcanic Stone and Logs in the order shown here (1 through 6) and per the instructions on Page 26. -
Page 29: Step 9. Installing Glass Door
Step 9. INSTALLING THE GLASS DOOR WARNING Do not operate appliance with the glass front removed, cracked or broken. Replacement of the glass should be done by a licensed or qualified service technician. WARNING Do not attempt to substitute the materials used on this door, or replace cracked or broken glass with any materials other than... -
Page 30: Step 11. Hood Installation
Burner Air Shutter Adjustment Procedure CAUTION The air shutter door and nearby appliance surfaces are hot. Exercise caution to avoid injury while adjusting flame appearance. Burner Air Shutter Adjustment Procedure 1. Locate adjustment rod and adjust air shutter to the standard setting as shown in Figure 60 (adjustment rod is located in the lower control compartment). Note: Move the adjustment rod down to decreases air and up to increases. -
Page 31: Installation Accessories
INSTALLATION ACCESSORIES Item Cat. No. Model H1968 SV4.5HT-2 H2152 SV4.5CGV-1 H4687 SV4.5CTS H4716 SV4.5CTS-B H4717 SV4.5CTS-TC 77L70 SV4.5L6 77L71 SV4.5L12 77L72 SV4.5L24 77L73 SV4.5L36 77L74 SV4.5L48 77L75 SV4.5LA 77L76 SV4.5E45 77L77 SV4.5E90 The following flashings come packaged with a storm collar: 77L78 SV4.5F 77L79 SV4.5FA 77L80 SV4.5FB 77L81 SV4.5SC6 H2246 SV4.5HF... - Page 32 INSTALLATION ACCESSORIES Item Cat. No. Model H1969 SF4.5HT-2 Horizontal Square Termination (without flex) 77L87 SFKIT12S Flex Square Term. (with 12 inch [305 mm] * compressed flex) 77L88 SFKIT18S Flex Square Term. (with 18 inch [457 mm] * compressed flex) 77L89 SFKIT24S Flex Square Term. (with 24 inch [610 mm] * compressed flex) 77L90 SFKIT36S Flex Square Term. (with 36 inch [914 mm] * compressed flex) 77L91 SFKIT48S Flex Square Term. (with 48 inch [1219 mm] * compressed flex) 56L74 SFVT30 Vertical Termination for flex (flat to 6/12) with flex adapter, section of rigid vent, roof support collar assembly, roof flashing and storm collar. 56L75 SFVT45 Vertical Termination for flex (6/12 to 12/12) with flex adapter, section of rigid vent, roof support collar assembly, roof flashing and storm collar. 60L10 SF-18 18 ft. (5.49 m) * compressed flex 98K03 SF-12 12 ft. (3.66 m) * compressed flex 10K81 SFMP Mill-Pac, Black, High Temperature Sealant 89L40 SFMP-12...
- Page 33 INSTALLATION ACCESSORIES Cat. No. Model 94L04 SFKIT12SS 94L05 SFKIT18SS 94L06 SFKIT24SS 94L07 SFKIT36SS 94L08 SFKIT48SS 94L09 SF-HTSS 94L10 SV4.5HTSS 98L27 SV4.5HTSSL 98L28 SV4.5HTSSL8 * All compressed flex vents can be expanded up to two times. Listed Secure Flex™ Components LMDV-3328 & LMDV-3530 Models Only Flex - Small Square Termination with 12 in. (305 mm) of *compressed flex vent Flex - Small Square Termination with 18 in. (457 mm) of *compressed flex vent Flex - Small Square Termination with 24 in. (610 mm) of *compressed flex vent...
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Page 34: Gas Conversion Kits
GAS CONVERSION KITS Millivolt SIT Systems Natural Gas To Propane Gas Conversion Kits Models Cat. No. LMDVT-3328 H2009 LMDVR-3328 LMDVT-3530 H2011 LMDVT-4035 H2013 Millivolt SIT Systems Propane to Natural Gas Conversion Kits Models Cat. No. LMDVT-3328 H2010 LMDVR-3328 LMDVT-3530 H2012 LMDVT-4035 H2014 Millivolt HONEYWELL Systems... - Page 35 IMPORTANT LE CANADA SEULEMENT La conversion devra être effectuée conformément aux recommanda- tions des autorités provinciales ayant juridiction et conformément aux exigences du code d'installation CAN1-B149.1 ET.2. Gas conversion kits are available to adapt the appliance from the use of one type of gas to the use of another. These kits contain all the necessary components needed to complete the task including labeling that must be affixed to ensure safe operation. Kit part numbers are listed here and the following steps detail the conversion procedure. Step 1. Turn off the gas supply to the appliance. Remove the front glass door/frame from the appliance. Access the control compartment.
- Page 36 Step 6. Electronic Appliances - Honeywell Systems See Figure 67 and the instructions provided with the kit. Remove the slotted cap screw, o-ring, pressure-regulating adjusting screw and spring. Retain all parts for possible later use. Install new components from the kit.