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HOMEOWNER'S CARE AND
OPERATION INSTRUCTIONS
®
DIRECT VENT MERIT
LMDV-33/35/40 SERIES
DIRECT-VENT GAS FIREPLACE HEATERS
P/N 875,028M REV. C 06/2005
MODELS
Millivolt Models Electronic Models
LMDVT-3328CNM
LMDVT-3328CNE
LMDVT-3328CPM
LMDVR-3328CNE
LMDVR-3328CNM
LMDV-3530CNE
LMDVR-3328CPM LMDV-4035CNE
LMDV-3530CNM
LMDV-3530CPM
LMDV-4035CNM
LMDV-4035CPM
LMDV-3530 MODEL SHOWN
RETAIN THESE INSTRUCTIONS
WARNING: IF THE INFORMATION IN THIS MANUAL
FOR FUTURE REFERENCE
IS NOT FOLLOWED EXACTLY, A FIRE O
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These appliances are designed to operate on natural CONGRATULATIONS! gas or propane gas only. The use of other fuels or combination of fuels will degrade the performance In selecting this LENNOX Direct-Vent Gas Appliance you have chosen the fi nest and most of this system and may be dangerous. dependable fi replace to be found anywhere. Its a beautiful, prestigious alternative to a Millivolt Models - BTU Input wood burning fi replace. Welcome to a Family of tens of thousands of satisfi ed LEN
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Gas Pressure - At the time of installation, it must be determined Tables 4, 5 and 6 show the appliances' gas if the appliance needs to be derated. Contact WARNING pressure requirements. your local gas supplier for deration requirements for your area. Failure to comply with the instal- lation and operating instructions Inlet Gas Supply Pressure Deration - At higher elevations, the amount of BTU fuel value delivered must be reduced by (all models) provided in this document will eith
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Operation of millivolt and electronic gas con- trol systems are different. Before lighting and WARNING WARNING operating your appliance determine if you have a millivolt or electronic appliance. Familiarize These fireplaces are vented Any safety guard or screen yourself with the gas control valve that your heaters. Do not burn wood or removed for servicing the appli- appliance uses. Refer to Figure 1 for access other material in these appli- ance must be replaced prior to
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I O O L I P T O IGNITER it OFF ON CONTROL TPTH TP TH L I I P H F F L F F O Electronic Appliances - If your electronic appliance is equipped with an 3. Keep the lower control compartment clean by vacuuming or brushing at least twice a optional remote wall switch or remote control kit year. More frequent cleaning may be required To light electronic appliances refer to the the appliance main burner may be turned on and due to excessive lint from carpeting, bedding detailed lighting instructi
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Replacing Logs - Clean Lower Control Compartment If the logs become damaged by accident or im- Keep lower control compartment clean by WARNING proper handling and need replacement, use only vacuuming or brushing it out at least twice a the proper replacement logs from manufacturer year (also clean the air venturi with a brush or Do not attempt to substitute the (see Pages 22 & 23 for ordering information). wire). More frequent cleaning may be required materials used on this door, or
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Removing Glass Enclosure Panels Installing Glass Enclosure Panels Top Flange on (see Figure 6) (see Figure 6 ) Glass Door Glass Door 1. Remove the top louver assembly by pulling 1. Visually inspect the gasket on the backside it up and out. of the glass panel. The gasket surface must be clean, free of irregularities and seated 2. Remove the control compartment access fi rmly. door (see removal instructions on Page 4 - Removing Control Compartment Door). 2. Position the glass enclosure panel i
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1. Place the rear log (A) as shown. Position the INSTALL VERMICULITE, VOLCANIC 2 notches on the bottom of the log over the WARNING STONE, GLOWING EMBERS AND LOGS 2 corresponding locating brackets against the back wall of fi rebox. The size and position of the log 1. Remove the front glass enclosure panel 2. Place the left log (B) as shown. The notch (see Removing Glass Enclosure Panels on set was engineered to give the on the bottom of the log should fi t over the this page). appl
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MODEL LMDV-3328 & LMDV-3530 Log Placement Instructions A LOG SET Catalog Number H3366 * Item Description A Log, Rear B Log, Left C Log, Left Center D Log, Right Center E Log, Right D * Item "letters" above correspond to photos B C E Install the Embers, Vermiculite, Volcanic Stone and Logs in the order shown here (1 through 6) and per the instructions on Page 8. DO NOT PLACE EMBERS OVER GAS SLOTS 1 4 Embers Hole on bot- tom of log (E) A fi ts over pin Volcanic on log (A). Stone V-Shape are
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MODEL LMDV-4035 Log Placement Instructions LOG SET A Catalog Number H3365 * Item Description A Log, Rear B Log, Left C Log, Center C D Log, Center Front B E Log, Right E * Item "letters" above correspond to photos D Install the Embers, Vermiculite, Volcanic Stone and Logs in the order shown here (1 through 6) and per the instructions on Page 8. 1 DO NOT PLACE EMBERS OVER GAS SLOTS 4 Embers Volcanic Stone Vermiculite B Notch on log bottom Place log over pins 2 fi ts over bracket C 5 Pin Pin
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BURNER ADJUSTMENTS (QUALIFIED TECHNICIANS ONLY) Flame Appearance and sooting Proper fl ame appearance is a fl ame which is blue at the base and becomes yellowish-orange in the body of the fl ame. When the appliance is fi rst lit, the entire fl ame may be blue and will gradually turn yellowish-orange during the fi rst 15 minutes of operation. If after a short period the fl ame stays lowered blue, or if the fl ame is orange with evidence of sooting (black tip), the air shutter opening may need
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Burner Air Shutter Adjustment Procedure SIT MILLIVOLT PILOT ASSEMBLY CAUTION Proper Pilot Flame Appearance 1. Locate adjustment rod and adjust air shutter Igniter Rod Hood to the standard setting as shown in Figure Carbon will be produced if the air 12 (adjustment rod is located in the lower shutter is closed too much. Any control compartment). Note: Rotating the damage due to carboning result- Thermocouple adjustment rod clockwise decreases air and 3/8" Min. ing from improperly sett
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TH TH TP TP WIRING DIAGRAMS Electronic Wiring Diagram (Honeywell) Showing Blower Wiring for Optional FBK-100, FBK-200 & FBK-250 Kits Schematic Representation Only Wiring diagrams are provided here for refer- ence purposes only. This information is also Wall Mounted Blower Speed Control Switch or ON/OFF Switch for Blower Kit (optional) Auxiliary View A provided on schematics attached directly to the J-Box Wiring when Relay Module C/W FBK-250 only. Plug blower appliance on a pullout panel lo
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P A ACCESSORY COMPONENTS Remote Control Kit, Deluxe Remote Control Kit, Standard Product Reference Information Cat. No. Model No. Description Cat. No. Model No. Description Cat. Model Ship. Ship. H0251 RCL-STAT Remote Control System H0249 RCL Remote Control System (Deluxe) No. Weight Volumn (Standard) (ref. Form # 750,129M) H3313 LMDVT-3328CNM 95 lb. 13.08 cu. ft. (ref. Form # 750,127M) H3314 LMDVT-3328CPM 95 lb. 13.08 cu. ft. Standard Remote Control Deluxe Remote Control H3315 LMDVR-3328CNM
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ACCESSORY COMPONENTS (CONTINUED) Style View Doors - Arch Design Kits Cat. No. Model Description Model Series Arch Design H0858 AD35C 35” Arch Doors, Charcoal H0859 AD35TI 35” Arch Doors, Textured Iron LMDV-3530 H0860 AD35SP 35” Arch Doors, Satin Pewter Forced Air Blower Kits H0861 AD35AB 35” Arch Doors, Antique Brass Cat. Model No. Description H0862 AD40C 40” Arch Doors, Charcoal No. 80L84 FBK-100 Blower, Standard H0863 AD40TI 40” Arch Doors, Textured Iron LMDV-4035 (single speed) H0864 AD40SP
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ACCESSORY COMPONENTS (CONTINUED) * Assembled 8-Piece Louver Kits Polished Brass 3- Piece Trim Kit Polished Brass Brushed Stainless Models This kit contains brass Where Used trim pieces used to fi n- Cat. # Model Cat. # Model ish the gaps between the wall board and the LMDVT-3328 H1522 LK-400B H1523 LK-400BS fireplace, providing LMDVR-3328 the appliance a brass perimeter highlight. This kit contains the trim pieces and these instructions. LMDV-3530 H1524 LK-500B H1525 LK-500BS LMDV-4035 H15
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I O O L I P T O it TPTH TP TH L I P I F F L H F F O LIGHTING INSTRUCTIONS – HONEYWELL AND SIT MILLIVOLT GAS VALVE FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. A. This appliance has a pilot which must be lighted with a piezo • Do not use any phone in your building. igniter. When lighting the pilot, follow these instructions • Immediately call your gas suppl
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IGNITER OFF ON CONTROL LIGHTING INSTRUCTIONS — ELECTRONIC FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. A. When lighting the appliance, follow these instructions • Immediately call your gas supplier from a neighbor’s exactly. phone. • If your gas supplier cannot be reached, call the fi re B. BEFORE OPERATING smell all around the appliance area department. f
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MAINTENANCE SCHEDULE Annually (Before the onset of the Burning Season) MAINTENANCE TASK ACCOMPLISHING PERSON PROCEDURE Inspecting/Cleaning Burner, Logs Qualifi ed Service Technician Inspect valve and ensure it is properly operating. Check piping and Controls for leaks. Vacuum the control compartment, fi replace logs and burner area. Check Flame Patterns and Flame Qualifi ed Service Technician Refer to Figure10 (LMDV-3328 & LMDV-3530) or Figure 11 Height (LMDV-4035) on Page 11 and verify the fl
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TROUBLESHOOTING Note: Before troubleshooting the gas control system, Ensure external gas shut off valve, located at gas supply inlet, (and wall switch, iff applicable), is in the “ON” position. Important: Valve system troubleshooting should only be accomplished by a qualifi ed service technician. TROUBLESHOOTING GUIDE - MILLIVOLT GAS CONTROL SYSTEM SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION 1. Spark igniter will not light pilot after A. Defective igniter Check for spark at electrode and pilot; if
