Lennox ENVY Installation Instructions Manual
Lennox ENVY Installation Instructions Manual

Lennox ENVY Installation Instructions Manual

Direct-vent gas fireplaces

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P/N 506023-17 Rev. A 08/2013
This manual is one of a set of two supporting this product.
Refer to P/N 506025-09 for Care and Operation Instructions.
Ce manuel est disponible en francais, simplement
en faire la demande. Numéro de la pièce 506223-74.
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
consultation ultérieure.
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.
WARNING / AVERTISSEMENT / AVISO
f i r e - p a r t s . c o m
• HOT GLASS WILL CAUSE
BURNS.
• DO NOT TOUCH GLASS
UNTIL COOLED.
• NEVER ALLOW CHILDREN
TO TOUCH GLASS.
WARNING: If the information in these instructions
is not followed exactly, a fire or explosion may
result, causing property damage, personal injury,
or death.
- Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
- WHAT TO DO IF YOU SMELL GAS:
• Do not try to 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 the gas supplier's
instructions.
• If you cannot reach your gas supplier, call the fire
department.
- Installation and service must be performed by a
qualified installer, service agency or the gas supplier.
INSTALLATION INSTRUC TIONS
ENVY and ENVY CD
Direct-Vent Gas Fireplaces
MODELS
NV35IN
NVCD35IN
Report No. G100513653 PRT-001
Please read and understand these instructions
before starting installation.
• UNE SURFACE VITRÉE CHAUDE
PEUT CAUSER DES BRÛLURES.
• LAISSER REFROIDIR LA SURFACE
VITRÉE AVANT D'Y TOUCHER.
• NE PERMETTEZ JAMAIS À UN ENFANT
DE TOUCHER LA SURFACE VITRÉE.
AVERTISSEMENT : Assurez-vous de bien suivre les
instructions données dans cette notice pour réduire au
minimum le risque d'incindie ou d'explosion ou pour
éviter tout dommage matériel, toute blessure ou la mort.
- Ne pas entreposer ni utilizer d'essence ni d'autres 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 aucan interrupteur. Ne pas vous servir des
téléphones se trouvant dans le bâtiment où 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 incindies.
- L'installation et l'entretien doivent être assurés par un
installateur ou un service d'entretien qualifié ou par le
fournisseur de gaz.
NV40IN
NV45IN
NVCD40IN
NVCD45IN
• EL VIDRIO CALIENTE
CAUSARÁ QUEMADURAS.
• USTED DEBE NUNCA
TOCAR EL VIDRIO CALIENTE.
• LOS NIÑOS DEBEN NUNCA
TOCAR EL VIDRIO.

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Summary of Contents for Lennox ENVY

  • Page 1 INSTALLATION INSTRUC TIONS ENVY and ENVY CD Direct-Vent Gas Fireplaces MODELS P/N 506023-17 Rev. A 08/2013 This manual is one of a set of two supporting this product. NV35IN NV40IN NV45IN Refer to P/N 506025-09 for Care and Operation Instructions.
  • Page 2: Table Of Contents

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® TABLE OF CONTENTS PACKAGING GENERAL INFORMATION The assembled vented gas fireplace heater Packaging......2...
  • Page 3 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Codes and Standards WARNING WARNING These appliances comply with National Safety Standards and are tested and Improper installation, Failure to position the parts in listed by ETL/Intertek.
  • Page 4: Requirements For The Commonwealth

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Gas Pressure Orifice Sizes—Sea Level to In Canada—CAN/CGA-2.17-M91 High Altitude (high altitude): Table 2 and Table 3 show the appliance THE CONVERSION SHALL BE CARRIED...
  • Page 5: Cold Climate Insulation

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® COLD CLIMATE INSULATION Figure 2: Typical Locations CAUTION For cold climate installations, seal all cracks around your appliance with noncombustible Ensure that the cross members...
  • Page 6: Vent Termination Clearances

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® VENT TERMINATION CLEARANCES Figure 4: Vertical Vent Termination Clearances TERMINATION HEIGHTS FOR VENTS ABOVE FLAT OR SLOPED ROOFS These instructions should be used as a...
  • Page 7 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Table 6: Exterior Horizontal Vent Termination Clearances NOTE: Local Codes Or Regulations May Require Different Clearances. See Item D in the Text Below.
  • Page 8: Minimum Clearances To Combustibles

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® MINIMUM CLEARANCES TO Wall Finishes / Surrounds / Mantels Table 8: Combustible Shelf Height COMBUSTIBLES Combustible wall finish materials and/or Top Vent with one 90° Elbow...
  • Page 9: Typical Installation Sequence

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® TYPICAL INSTALLATION SEQUENCE Bend each of the two (2) L-shaped standoff WARNING components, at the designated places, into The typical sequence of installation is a U-shape (Figure 9).
  • Page 10 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Table 9: Fireplace Framing Specifications Model Framing should be constructed of 2x4 NV35IN / 39.75 in. 44.75 in. 24.0 in. 46.75 in. Vent Framing - Top Vent...
  • Page 11: Install The Vent System And Exterior Termination

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Route the Gas Supply Line to Proper Sizing of Gas Line CAUTION the Appliance Properly size and route the gas supply A 1/2 in. (13 mm) gas line must be...
  • Page 12 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Installation of Vent Restrictor Figure 12: Vent Restrictor Configuration A vent restrictor may be needed with this appliance. The restrictor is installed in the...
  • Page 13: Select Venting System-Horizontal Or Vertical

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Select Venting System— Analyze the vent routing and determine the 2. Attach vent components to appliance— Horizontal or Vertical quantities of vent sections and number of Secure Vent SV4.5 direct-vent system...
  • Page 14: Vent Section Length

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® 3. Attach vent components to each Table 13: Vent Section Length Table 13: Vent Section Length other—Additional vent sections may be added to the previously installed section...
  • Page 15 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® 5. Support the vertical vent run sections— 6. Change vent direction to horizontal/ Table 14: Effective Vent Length Support the vertical portion of the inclined run—At transition to/from...
  • Page 16 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® 8. Frame the roof opening—Identify the 10. Install the storm collar—Install the 11. Install the vertical termination location for vent at the roof. Cut and/or storm collar, supplied with the flashing, (SV4.5CGV-1)—Extend the vent...
  • Page 17 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Vertical Vent Tables and Figures Table 16: Top Vent—Two 90° Elbows Table 17: Top Vent—Three Elbows NOTE: Secure Vent rigid vent pipe ®...
  • Page 18 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Horizontal (Outside Wall) direction only, to avoid the possibility Termination System Slide the rope gasket over the vent of unlocking any of the previously component and position it snugly connected vent sections (Figure 16).
  • Page 19 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® 13. Install the Termination (SV4.5HT-2)— Figure 22: Typical Horizontal Vent Installation For the last step, from outside the exterior wall, slide the collars of the...
  • Page 20 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Horizontal Vent Tables and Figures Table 19: Top Vent—One 90° Elbow, Elbow Connection NOT at Appliance NOTE: Secure Vent components (rigid vent ®...
  • Page 21 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Table 20: Top Vent—Two 90° Elbows H + H Maximum V Minimum Wall Firestop/Spacer (SV4.5HF) feet meters feet meters 0.91 0.490 1.58 0.914 2.07...
  • Page 22: Vertical Or Horizontal Venting Using Secure Flex™ Venting Kits And Components

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Vertical or Horizontal Venting 2. Install the outer flex pipe—Install the 4. Install the firestop/spacers at the Using Secure Flex™ Venting Kits large gear clamp loosely around the ceilings and walls—When Secure Flex...
  • Page 23: Complete The Field Wiring

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Complete the Field Wiring Figure 27: Wiring Diagram—Electronic Gas Valves IPI Pilot CAUTION Flame Sensor Schematic Representation Only Spark Electrode The ground supply lead must be...
  • Page 24 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Installing and initializing the Remote After completing fireplace installation, Figure 28: Wall Switch Control System initialize the remote control system before operating the fireplace.
  • Page 25: Connect The Gas Supply

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Connect the Gas Supply Test all connections (factory and field) Figure 30: Gas Control Access for gas leaks All codes require a shutoff valve mounted in the supply line.
  • Page 26: Verify Correct Appliance Operation

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Verify Correct Appliance Operation Porcelain Firebox Liners Figure 33: Installing the Contemporary Floor With the gas line installed, perform an 1. Remove the four (4) firebox liner panels initial system inspection before closing the from the packing materials.
  • Page 27: Traditional Fireplaces Only: Install The Logs, Decorative Volcanic Stone, And Glowing Embers

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Traditional Fireplaces Only: 1. Align the two holes in the bottom of 6. Place Log 5 in position in the notches Install the Logs, Decorative Volcanic...
  • Page 28: Install The Glass Door

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Install the Glass Door 1. Retrieve the glass door. Visually inspect Adjust the Burner to Ensure Proper Flame Appearance the gasket on the backside.
  • Page 29: Finishing Requirements

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Air Shutter Adjustment Guidelines 5. When satisfied that the burner flame Finishing Requirements appearance is normal, reinstall the lower control compartment door then •...
  • Page 30 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® NOTE: The integrated finish trim is 4. Slide the finish trim in until it is flush designed to be “flush face” with a with the finished wall surface.
  • Page 31: Attach The Safety-In-Operation Warnings

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Attach the Safety-in-Operation Warnings NOTE: It is the installer’s responsibility to ensure these warnings are properly affixed during installation. These warning labels are a critical step in informing consumers of safe operation of this appliance.
  • Page 32: Installation Accessories

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® INSTALLATION ACCESSORIES Table 25: Listed Secure Vent™ Components Catalog Catalog Models Description Models Description Number Number Horizontal square termination Chase top shroud kit, arch top, H1968 SV4.5HT-2...
  • Page 33 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Contact a Lennox Hearth Products dealer Table 27: Replacement Parts to obtain any of these parts. Never use substitute materials. Use of non-approved...
  • Page 34 LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® Figure 48: Replacement Parts Remote f i r e - p a r t s . c o m DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
  • Page 35: Gas Conversion Kits

    LENNOX HEARTH PRODUCTS • SIGNATURE SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS ® GAS CONVERSION KITS In Canada: The conversion shall be carried out in accordance with the requirements of the WARNING AVERTISSEMENT provincial authorities having jurisdiction...
  • Page 36 - p a r t s . c o m 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.

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