Table of Contents
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This appliance may be installed in an aftermarket perma-
nently 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
Commonwealth of Massachusetts requirements.
WARNING: IF THE INFORMATION IN THIS MANUAL
IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLO-
SION MAY RESULT CAUSING PROPERTY DAM-
AGE, PERSONAL INJURY OR LOSS OF LIFE.
FOR YOUR SAFETY: Do not store or use gasoline
or other flammable vapors or liquids in the vicin-
ity 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
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 Form Number
850,014CF.
Ce manuel d'installation est disponible en francais, simplement
en faire la demande. Numéro de la pièce 850,014CF.
OTL Report No. 116-F-13-4
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
INSTALLATION
INSTRUCTIONS
DIRECT VENT
MPD-33/35/40/45 SERIES
VENTED GAS FIREPLACE HEATERS - DIRECT VENT MODELS
P/N 850,014M REV. R 06/2008
MODELS
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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 batiment 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 fournisseur de gaz.
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Table of Contents
Related Manuals for Lennox Hearth Products Direct Vent MPD-33 Series
Summary of Contents for Lennox Hearth Products Direct Vent MPD-33 Series
-
Page 1: Direct Vent
This appliance may be installed in an aftermarket perma- nently 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. -
Page 2: Table Of Contents
TABLE OF CONTENTS Packaging ... page Introduction ... page General Information ... page Location ... page Appliance and Vent Clearances ... page Vent Termination Clearances ... page Typical Installation Sequence ... page Detailed Installation Steps ... page Step 1. Framing ... page Step 2. - Page 3 Input of millivolt models is shown in the following table: i l l i l l Electronic Models - Electronic models have a fixed rate gas valve. Input of electronic models is shown in the following table: All Models - Maximum manifold pressure is 3.5 in.
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Page 4: Location
APPLICATION TOP VENT RECESSED INSTALLATION TOP VENT APPLICATION Figure 2 LOCATION In selecting the location, the aesthetic and functional use of the appliance are primary concerns. However, vent system routing to the exterior and access to the fuel supply are also important. -
Page 5: Vent Termination Clearances
VENT TERMINATION CLEARANCES 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 6: Detailed Installation Steps
DETAILED INSTALLATION STEPS The appliance is shipped with all gas controls and components installed and pre-wired. Re- move the shipping carton, exposing the front glass door. Remove the top panel. Remove the cardboard from underneath the pressure relief plates. Press in simultaneously the left and right side of the bottom hinged panel, to release it. - Page 7 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 Fixed Closed Window = Air Supply Inlet y l t i t r l i t i f f t s i...
- Page 8 FIREPLACE FRAMING SPECIFICATIONS FRAMING WITH SQUARE HORIZONTAL TERMINATION (SV4.5HT-2) VENT FRAMING - TOP VENT WITH ONE 90° ELBOW VENT FRAMING - REAR VENT WITH NO ELBOWS Inches (mm) E is the required framing depth dimension when the finish material (drywall) thickness is 1/2 in. (13mm). Figure 9 .
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Page 9: Fireplace Specifications
FIREPLACE SPECIFICATIONS FRAMING SPACERS (Top and Sides and Rear) Top View Front View . n i . n i . n i . n i Figure 11 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. - Page 10 Massachusetts Horizontal Vent Requirements In the Commonwealth of Massachusetts, hori- zontal terminations installed less than seven (7) feet above the finished grade must comply with the following additional requirements: • A hard wired carbon monoxide detector with an alarm and battery back-up must be installed on the floor level where the gas fireplace is installed.
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Page 11: Vertical Termination Systems
VERTICAL TERMINATION SYSTEMS (ROOF) Figure 16, and Figures 26 through 30 on pages 14 and 15 and their associated Vertical Vent Tables illustrate the various verti- cal venting configurations that are possible for use with these appliances. Secure Vent pipe applications are shown in these figures;... - Page 12 Vertical (Offset) Installation Analyze the vent routing and determine the quan- tities of vent sections and number of elbows required. Refer to Vertical Vent Figures and Tables on page 14 and 15 to select the type of vertical installation desired. Vent sections are available in net lengths of 4-1/2"...
- Page 13 One method of support is by utilizing field provided 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"...
- Page 14 VERTICAL VENT FIGURES/TABLES Note: Secure Vent (rigid vent pipe) is shown in the figures; Secure Flex (flexible vent pipe) may also be used. Note: It is very important that the horizontal/ inclined 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"...
- Page 15 VERTICAL VENT FIGURES/TABLES (continued) TABLE C Maximum H Maximum (meters) (meters) feet feet feet (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.
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Page 16: Horizontal Termination System
HORIZONTAL (OUTSIDE WALL) TERMINATION SYSTEM Figure 31, and Figures 34 to 41 on pages 18, 19 and 20 and their associated Horizontal Vent Table illustrate the various horizontal venting configurations that are possible for use with these appliances. Secure Vent pipe applica- tions are shown in these figures;... - Page 17 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 33 and Table 4 on page 18 .
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Page 18: Horizontal Vent Tables And Figures
HORIZONTAL VENT FIGURES/TABLES Note: 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. Note: 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 19 HORIZONTAL VENT FIGURES/TABLES (continued) Figure 37 - Rear Vent - TWO 90 DEGREE ELBOWS *Wall Firestop/Spacer (SV4.5HF) *Wall Firestop/Spacer Example: If 20 feet of (H) horizontal vent run is needed, then 4 feet minimum of (V) vertical vent will be required. This table shows a 1 (V) to 5 (H) ratio.
- Page 20 HORIZONTAL VENT FIGURES/TABLES (continued) **Wall Firestop/Spacer See Table 4 on page 18 as an aid in venting component selection for a particular range of exterior wall thicknesses. Figure 39 - Rear Vent - THREE 90 DEGREE ELBOWS (Square termination SV4.5HT-2 shown.) **Wall Firestop/Spacer (SV4.5HF) (Square termination...
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Page 21: 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 where rigid Secure Vent (SV4.5) direct vent components can be used. All restrictions, clearances and allowances that pertain to the rigid piping apply to the flexible venting. -
Page 22: Step 4. Field Wiring
Step 4. FIELD WIRING Refer to Section A for millivolt appliances and Section B for electronic appliances. The gas valve is set in place and pre-wired at the factory on both models. A. SIT and Honeywell Millivolt Wiring (See Figure 43) – 1. -
Page 23: Step 6. Connecting Gas Line
Electronic Wiring Diagram (Honeywell) Showing the Blower Wiring for the Optional FBK-100 and FBK-200 Kits 1. If any of the original wire as supplied must be replaced, it must be replaced with Type AWM 105 C – 18 GA. wire. 2. -
Page 24: Step 7. Installing Logs
Step 7. INSTALLING LOGS, VERMICULITE, DECORATIVE VOLCANIC STONE AND GLOWING EMBERS The packaged logs are located within the firebox. The vermiculite, decorative volcanic stone and glowing embers are packaged sepa- rately in plastic bags located in the control area of the fireplace. Refer to the Log Set Place- ment Guide for detailed placement instruc- tions for the logs, vermiculite, decorative vol- canic stone and glowing embers. -
Page 25: Step 10. Burner Adjustments
WARNING: HANDLE THIS GLASS WITH EXTREME CARE! THE GLASS PANEL IS SUSCEPTIBLE TO DAMAGE — DO NOT SCRATCH WHILE HANDLING OR WHILE RE-INSTALLING THE GLASS DOOR FRAME. WARNING: NEVER OPERATE THE APPLI- ANCE WITHOUT THE FRONT GLASS EN- CLOSURE PANEL IN PLACE AND SECURE. Step 10. -
Page 26: Cold Climate Insulation
Combustible Finished Wall This Area Must Remain Materials Clear of Combustible Materials 1" Min (25 mm) Combustible material Spacer may touch the appliance top. Combustible materials not allowed below this point on Top of Appliance the face of the Radiant panel appliance. -
Page 27: Installation Accessories
INSTALLATION ACCESSORIES t s i o l l a l f ™ z i r l a t i t a h t i e r i i t r i t a , . q . k l a t t i t a i t c i t c... - Page 28 INSTALLATION ACCESSORIES CONTINUED t s i i t a t i k r i f t s i ™ , r e . r e z i r l a t i t a h t i . n i h t i .
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Page 29: Gas Conversion Kits
GAS CONVERSION KITS WARNING: THIS CONVERSION KIT SHALL BE INSTALLED BY A QUALIFIED SERVICE AGENCY IN ACCORDANCE WITH THE MANUFACTURER'S IN- STRUCTIONS AND ALL APPLICABLE CODES AND REQUIREMENTS OF THE AUTHORIZED HAVING JURISDICTION. IF THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY, A FIRE, EXPLOSION OR PRODUCTION OF CARBON MONOXIDE MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. - Page 30 i l l s t i t i n l a t v i l t l o v i l t l o v i l t l o v i l t l o i l l s t i t i n l a t v i l...
- Page 31 b. Attach manometer to the manifold side pressure test fitting and verify manifold pres- sure reads 3.5 inches water column (0.87 kPa) for natural gas, and 10.0 inches water column (2.49 kPa) for propane gas. c. Convert the pilot orifice as follows (see Figures 62, 63 and 64 ): Note - Use extra care not to engage the orifice strip with the 7/16"...
- Page 32 If the ignitor is damaged, a replacement kit is available - order Catalog Number 87L54. Figure 66 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.