Lennox MPD35ST-NM-B Care And Operation Instructions Manual
Lennox MPD35ST-NM-B Care And Operation Instructions Manual

Lennox MPD35ST-NM-B Care And Operation Instructions Manual

Direct vent multi-open merit plus series
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• Hot! do not touch! the glass and
surfaces of this appliance will be hot
during operation and will retain heat
for a while after shutting off the appli-
ance. severe burns may result.
• carefully supervise children in the
same room as appliance.
• if small children are present in the home, it is
recommended that this appliance be fitted with
a screen door or screen panel kit. see Page 13
for ordering information.
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
.
instaLLer: Leave this manual with the appliance.
consuMer: retain this manual for future reference.
instaLLateur: Laissez cette notice avec l'appareil.
consoMMateur: conservez cette notice pour con-
sultation ultérieure.
Portland
US
WarninGs
otL report no. 6-F-28-5
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

care and operation

instructions
DIRECT VENT MULTI-OPEN
®
MERIT
direct-Vent Gas FirepLace Heaters
p/n 875,025M reV. c 06/2009
MODELS
Millivolt Models
Mpd35st-nM-B
Mpd35st-pM-B
Mpd35pF-nM-B
Mpd35pF-pM-B
aVertisseMent: assureZ-Vous de Bien
suiVre Les instructions donnÉes dans
cette notice pour rÉduire au MiniMuM Le
risQue d'incendie d'eXpLosion ou pour
ÉViter tout doMMaGe MatÉrieL, toute
BLessure ou La Mort.
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.
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 báti-
ment où vous vous trouvez.
• 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 des incendies.
L'installation et l'entretien doivent être assurés
par un installeur ou un service d'entretien qualifié
ou par le fournisseur de gaz.
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
PLUS SERIES
Electronic Models
Mpd35st-ne-B
Mpd35pF-ne-B


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Table of Contents
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Summary of Contents for Lennox MPD35ST-NM-B

  • Page 1: Care And Operation

    • carefully supervise children in the same room as appliance. Millivolt Models Electronic Models • if small children are present in the home, it is Mpd35st-nM-B Mpd35st-ne-B recommended that this appliance be fitted with Mpd35st-pM-B Mpd35pF-ne-B a screen door or screen panel kit. see Page 13 Mpd35pF-nM-B for ordering information.
  • Page 2: Table Of Contents

    S'assurer que le brùleur et le compartiment des commandes sont propres. Voir les instructions d'installation et d'utilisation qui accompagnent In selecting this LENNOX Direct-Vent Gas Appliance you have chosen the finest and most l'appareil. dependable fireplace to be found anywhere. its a beautiful, prestigious alternative to a wood burning fireplace.
  • Page 3: Gas Controls Access

    Gas control compartment access deration - At higher elevations, the amount of inlet Gas supply pressure BTU fuel value delivered must be reduced by (all models) either using gas that has been derated by the gas The gas controls can be found behind the company or by changing the burner orifice to a Fuel # Minimum...
  • Page 4: Variable Flame Adjustment

    Millivolt appliances - Appliances with 2. During the first initial burns of these appli- Honeywell Electronic Gas Valve Millivolt systems will be fitted with the gas ances, there will be some odor emitted (see Manifold pressure on / oFF switch control valve shown in Figure 2.
  • Page 5 Paint is (lint, carbon, etc.) on the burner. Ensure the (see Front Glass Enclosure Panel, Removal and available at your local authorized Lennox Hearth burner ports are “open.” Remove any carbon Installation on Page 6 ). Note: Clean glass Products dealer , cat.
  • Page 6: Front Glass Enclosure Panel, Removal And Installation

    Front Glass enclosure panel, removal These are direct-vent appliances. They are removing Glass enclosure panels designed to operate only when the front glass (see Figure 4) and installation enclosure panel is installed. Generally the front glass enclosure panel should not be removed .
  • Page 7: Install Grate, Vermiculite

    instaLL Grate, VerMicuLite, GLoWinG eMBers and LoGs Bottom View of Logs (in packaging) LoG set - identiFication LoG set catalog number H320 * item description Log, center Log, Left rear Log, Left Front Log, right rear Log, top center Log, Front center * Item "letters"...
  • Page 8 read LoG WarninGs on paGe 9 BeFore proceedinG 8. Place Log (B) as shown in Figure 8. 1. Remove front glass enclosure panel from appliance. position Log (B) against the Back of the Grate Here a. Open Control Compartment Access Panel (see Control Compart- ment Access Instructions on Page 3 ).
  • Page 9: Burner Flame Adjustments

    0. Place Log (E) as shown in Figure 11. WarninG: Logs get very hot and will remain hot up to one hour after gas supply is turned off. Handle only when logs are cool. turn off all position round end of log (e) against the notch of electricity to the appliance before you install grate and logs.
  • Page 10: Millivolt Appliance Checkout

    Flame should be blue in color with to the troubleshooting guide in this manual. traces of orange at the outer edge. control compartment). If problem persists, contact your Lennox The top 3/8" (10 mm) at the pilot generator distributor. Note: Rotating the adjustment rod coun- (thermopile) and the top 1/8"...
  • Page 11: Wiring Diagrams

    Please read the warranty to be familiar with Normally, all parts should be ordered through Field Wired its coverage. your Lennox distributor or dealer. Parts will be Factory shipped at prevailing prices at time of order. Retain this manual. File it with your other...
  • Page 12: Accessory Components

    Cat. Model Ship. Ship. Weight Volumn H3201 MPD35ST-NM-B 220 lbs 46W x 26D x 43H (30 cu.ft.) H6945 MPD35PF-NM-B 225 lbs 46W x 26D x 43H (30 cu.ft.) H3202 MPD35ST-PM-B 220 lbs 46W x 26D x 43H (30 cu.ft.)
  • Page 13 accessorY coMponents Note: Door & Trim Kits are for 1 side only. If set is desired, order 2 kits. arch design arch pane design decorative arch screen panel Kit tall style View doors This easy to install optional screen installs over the standard glass enclosure panel to provide protection These decorative screen doors are offered in four from direct contact with the hot glass surface.
  • Page 14 accessorY coMponents Note: Door & Trim Kits are for 1 side only. If set is desired, order 2 kits. Sunrise Style (upper grille shown) Crescent Style (lower grille shown) 4 piece trim Kit cat. no. Model no. description Cat. No.# Model Description Model Series...
  • Page 15 accessorY coMponents * 35" arch door Kits cat. no. Model no. description 26M43 adK35cMpB arch door, polished Brass H7026 adK22cMpB arch door, polished Brass 26M44 adK35cMBs arch door, Brushed stainless H7027 adK22cMBs arch door, Brushed stainless * order 2 for set if desired. (ref.
  • Page 16: Lighting Instructions - Millivolt

    LiGHtinG instructions – MiLLiVoLt Gas VaLVe For Your saFetY read BeFore LiGHtinG WarninG: iF You do not FoLLoW tHese instructions eXactLY, a Fire or eXpLo- sion MaY resuLt causinG propertY daMaGe, personaL inJurY or Loss oF LiFe. a. This appliance has a pilot which must be lit with a piezo •...
  • Page 17 instructions d’aLLuMaGe – Vanne GaZ MiLLiVoLt pour Votre sÉcuritÉ, LiseZ ces instructions aVant L’aLLuMaGe aVertisseMent : si Vous ne suiVeZ pas ces instructions À La Lettre, iL pourrait s’en suiVre un incendie ou une eXpLosion causant des doMMaGes MatÉrieLs, des BLessures corporeLLes ou MÊMe des pertes de Vie. •...
  • Page 18: Lighting Instructions - Electronic

    LiGHtinG instructions — eLectronic For Your saFetY read BeFore LiGHtinG WarninG: iF You do not FoLLoW tHese instructions eXactLY, a Fire or eXpLo- sion MaY resuLt causinG propertY daMaGe, personaL inJurY or Loss oF LiFe. a. When lighting the appliance, follow these instructions •...
  • Page 19 instructions d’aLLuMaGe — eLectronic pour Votre sÉcuritÉ, LiseZ ces instructions aVant L’aLLuMaGe aVertisseMent : si Vous ne suiVeZ pas ces instructions À La Lettre, iL pourrait s’en suiVre un incendie ou une eXpLosion causant des doMMaGes MatÉrieLs, des BLessures corporeLLes ou MÊMe des pertes de Vie. a.
  • Page 20: Maintenance Schedule

    Maintenance scHeduLe annually (Before the onset of the Burning Season) Maintenance tasK accoMpLisHinG person procedure Inspecting/Cleaning Burner, Logs Qualified Service Technician Inspect valve and ensure it is properly operating. Check piping and Controls for leaks. Vacuum the control compartment, fireplace logs and burner area.
  • Page 21: 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 qualified service technician. TROUBLESHOOTING GUIDE - MILLIVOLT GAS CONTROL SYSTEM sYMptoM possiBLe causes...
  • Page 22: Troubleshooting Guide - Electronic

    trouBLesHootinG procedure - eLectronic iGnition sYsteM start cHecK • turn off Gas supply. • check for proper volt- • Line voltage power age at control harness • ensure Valve switch is in on position. • Low voltage transformer (see insert a). Voltage •...
  • Page 23: Replacement Parts List

    H3353 * Electrical kit 94326 Magnet 97K51 Eyebrow Hood MPD35ST-NE & H3740 Nailing Flange MPD35ST-PE 12L15 Nameplate, Lennox H7032 Eyebrow Hood MPD35PF-NE & 24M10 Orifice, Burner, NG, #37 (.104") MPD35ST-NM & MPD35PF-PE MPD35ST-NE 93L32 Flex Line Gas Connector, FFGC 42M79 Orifice, Burner, LP, 1.55mm...
  • Page 24 Model shown NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. Lennox Hearth Products reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue colors, styles and products. Consult your local distributor for fireplace code information.

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