Table of Contents
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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.
FOR YOUR SAFETY: Do not store or use gasoline
or other fl ammables or liquids in the vicinity of
this or any other appliance.
FOR YOUR SAFETY: What to do if you smell gas:
• DO NOT light any appliance.
• DO NOT touch any electrical switches.
• Do not use any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow your gas suppliers
instructions.
• If your gas supplier cannot be reached, call
the fi re department.
Installation and service must be performed by
a qualifi ed installer, service agency or the gas
supplier.
HOMEOWNER'S CARE AND
OPERATION INSTRUCTIONS
DIRECT VENT SEE-THROUGH
®
MERIT
DIRECT-VENT GAS FIREPLACE HEATERS
P/N 875,025M REV. NC 04/2005
MODELS
Millivolt Models
MPD35ST-NM
MPD35ST-PM
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
A French manual is available upon request. Order P/N 875,025CF
Ce manuel d'installation est disponible en francais, simplement en
faire la demande. Numéro de la pièce 875,025CF
Listing Agency
PLUS SERIES
Electronic Models
MPD35ST-NE
OTL Report No. 116-F-28-5
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Table of Contents
Related Manuals for Lennox Hearth Products MPD35ST-NE
Summary of Contents for Lennox Hearth Products MPD35ST-NE
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Page 1: Operation Instructions
DIRECT-VENT GAS FIREPLACE HEATERS P/N 875,025M REV. NC 04/2005 MODELS Millivolt Models Electronic Models MPD35ST-NM MPD35ST-NE MPD35ST-PM RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE A French manual is available upon request. Order P/N 875,025CF Ce manuel d’installation est disponible en francais, simplement en faire la demande. -
Page 2: Table Of Contents
The BTU Input for electronic models is shown in Table 2: Input (BTU) - Fixed Rate (electronic models) Models Fuel Input Rate Type (BTU / HR) MPD35ST-NE Nat. Gas 30,000 MPD35ST-PE Pro. Gas 28,000 (if fi eld converted) Table 2 Gas Pressure - Tables 3, 4 and 5 show the appliances' gas pressure requirements. - Page 3 Manifold Gas Supply Pressure (electronic models) Fuel # Fixed 3.5" WC Natural Gas (.87 kPa) 10.0" WC Propane (2.49 kPa) Table 5 Test gauge connections are provided on the front of the millivolt gas control valve, identifi ed IN for the inlet and OUT for the manifold side (see Figure 2 on Page 4 ).
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Page 4: Gas Controls Access
WARNING Carbon monoxide poisoning: early signs of carbon monoxide poisoning are similar to the fl u with headaches, dizziness and/or nausea. If you have these signs, obtain fresh air immediately. Turn off the gas supply to the appliance and have it serviced by a quali- fi... -
Page 5: Variable Flame Adjustment
• Non-ammonia based household cleaner • 50%-50% mix of white vinegar & water • gas fi replace/stove glass cleaner Inspect Glass Gasket - Visually inspect the gasket on the backside of the glass enclosure panels. The gasket surface must be clean, free of irregularities and seated fi... -
Page 6: Front Glass Enclosure Panel, Removal And Installation
The fi nish of the appliance is a high qual- ity powdercoat. Only use factory supplied powdercoat paint kit for touch-ups. Paint is available at your local authorized Lennox Hearth Products dealer (cat. no. 90L74). Never attempt to paint a hot fi replace. -
Page 7: Embers & Logs
INSTALL GRATE, VERMICULITE, GLOWING EMBERS AND LOGS LOG SET - IDENTIFICATION LOG SET Catalog Number H3210 * Item Description Log, Center Log, Left Rear Log, Left Front Log, Right Rear Log, Top Center Log, Front Center * Item "letters" above correspond to photos on right REFERENCE Firebox Accessories / Parts Cat. - Page 8 READ LOG WARNINGS ON PAGE 9 BEFORE PROCEEDING 1. Remove front glass enclosure panel from appliance. a. Open Control Compartment Access Panel (see Control Compart- ment Access Instructions on Page 4.). b. Remove the glass panel enclosure (see Removing Glass Enclosure Panel instructions on Page 6.
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Page 9: Burner Flame Adjustments
10. Place Log (E) as shown in Figure 11. Position round end of log (E) against the notch of log (D) here. Two charred spots face the front Position Small End of (Valve Access Side) Log (E) on The Notch of Log (C) Here Figure 11 11. -
Page 10: Millivolt Appliance Checkout
2. Light appliance (follow lighting procedure on lighting label in control compartment or see homeowners manual). 3. Allow the burner to operate for at least 15 min- utes while observing the fl ame continuously to ensure that the proper fl ame appearance has been achieved (see Figure 13 ). -
Page 11: Wiring Diagrams
6. The installation date of the appliance. If you encounter any problems or have any ques- tions concerning the installation or application of this system, please contact your distributor, or Lennox directly: LENNOX HEARTH PRODUCTS 1110 West Taft Avenue Orange, CA 92865... -
Page 12: Accessory Components
220 lbs 46W x 26D x 43H (30 cu.ft.) H3202 MPD35ST-PM 220 lbs 46W x 26D x 43H (30 cu.ft.) H3203 MPD35ST-NE 220 lbs 46W x 26D x 43H (30 cu.ft.) Wall Thermostat, Millivolt Cat. No. Model No. Description 89L36... - Page 13 ACCESSORY COMPONENTS Arch Design Arch Pane Design Square Design Square Pane Design Style View Doors - Style View Doors come in 4 beautiful styles. They are easy to install and will not require hardware to attach them to the standard glass door frame. The door includes heavy duty magnet door latches and functional twin-pane doors.
- Page 14 ACCESSORY COMPONENTS * 35" Eyebrow Hood Kits Cat. No. Model No. Description Hood Kit, Polished 96K67 EB35PB Brass Hood Kit, Brushed 88L49 EB35BS Stainless * These hood kits replace the standard hood that comes with these fi replaces. (ref. Form #504,142M) Polished Brass &...
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Page 15: Lighting Instructions - Millivolt
LIGHTING INSTRUCTIONS – MILLIVOLT GAS VALVE 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 lit with a piezo igniter. -
Page 16: Lighting Instructions - Electronic
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 exactly. B. BEFORE OPERATING smell all around the appliance area for gas. -
Page 17: Maintenance Schedule
MAINTENANCE SCHEDULE Annually (Before the onset of the Burning Season) MAINTENANCE TASK Inspecting/Cleaning Burner, Logs and Controls Check Flame Patterns and Flame Height Inspecting/Cleaning Pilot and Burner Checking Vent System Appliance Checkout Replacing Rockwool Ember Materials Periodically (After the Burning Season) MAINTENANCE TASK Cleaning Firebox Interior Check Flame Patterns and Flame... -
Page 18: Troubleshooting Guide - Millivolt
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. SYMPTOM 1. - Page 19 TROUBLESHOOTING PROCEDURE - ELECTRONIC IGNITION SYSTEM START • Turn Off Gas Supply. • Ensure Valve Switch Is In ON Position. • Disconnect Control Harness. • Set Thermostat To Call For Heat. Insert A End View of Control Harness Connector 24 Volt 24 Volt Hot Common 24 Volt...
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Page 20: Replacement Parts List
LENNOX reserves the right to make changes at any time, without notice, in design, materials, specifi cations, prices and also to discontinue colors, styles and products. Consult your local distributor for fi replace code information. Printed in U.S.A. © 2005 by LENNOX HEARTH PRODUCTS P/N 875,025M REV. NC 04/2005 Where Used Item Part/Cat.