Desa VDVF36STN/STP Venting Installation, Installation Precautions, Installation Planning

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VENTING INSTALLATION

Installation Precautions Installation Planning

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VENTING INSTALLATION

WARNING: Read all instructions completely and thoroughly before attempting installation. Failure to do so could result in serious injury, property damage or loss of life. Operation of improperly installed and maintained venting system could result in serious injury, property damage or loss of life.

WARNING: Seal all pipe to pipe connections with high temperature silicone (600°F/316° C) every time a vent connection is made. Before joining elbows and pipes, apply a bead of high temperature silicone sealant (GE RTV 106/Loctite RTV 81585) to the end of the elbow or pipe. High temperature silicone must also be used to re-seal any connections after main- tenance to venting system.

NOTICE: Do not seal termination cap to pipe. Cap must be removable for servicing vent system.

NOTICE: Failure to follow these instructions will void the warranty.

INSTALLATION PRECAUTIONS

Consult local building codes before beginning the installation. The installer must make sure to select the proper vent system for installa- tion. Before installing vent kit, the installer must read this fireplace manual and vent kit instructions.

Only a qualified service person should install venting system. The installer must follow these safety rules:

Wear gloves and safety glasses for protection

Use extreme caution when using ladders or when on roof tops

Be aware of electrical wiring locations in walls and ceilings

The following actions will void the warranty on your venting system:

Installation of any damaged venting component

Unauthorized modification of the venting system

Installation of any component part not manufactured or approved by DESA International

Installation other than as instructed by these instructions

WARNING: This gas fireplace and vent assembly must be vented directly to the outside. The venting system must NEVER be attached to a chimney serv- ing a separate solid fuel burning appliance. Each gas appliance must use a separate vent system. Do not use common vent systems.

WARNING: Horizontal sections of this vent sys- tem require a minimum clearance of 2" from the top of the pipe and 1" minimum to the sides and bottom. Vertical sections of this system require a minimum of 1" clearance to combustible materials on all sides of the pipe.

INSTALLATION PLANNING

There are two basic types of direct-vent installation:

Horizontal Termination

Vertical Termination

It is important to select the proper length of vent pipe for the type of termination you choose. It is also important to note the wall thickness.

For Horizontal Termination: Select the amount of vertical rise desired. The horizontal run of venting must have 1/4" rise for every 12" of run towards the termination.

WARNING: Never run the vent downward as this may cause excessive temperatures which could cause a fire.

You may use one or two 90° elbows in this vent configuration. See Horizontal Termination Configurations on page 12.

For Vertical Termination: Measure the distance from the fireplace flue outlet to the ceiling. Add the ceiling thickness, the vertical rise in an attic or second story, and allow for sufficient vent height above the roofline. You may use one or two 90° elbows in this vent configura- tion. See Vertical Termination Configurations on pages 14 and 15.

Note: You may use two 45° elbows in place of a 90° elbow. You must follow rise to run ratios when using 45° elbows.

For two-story applications, firestops are required at each floor level. If an offset is needed in the attic, additional pipe and elbows will be required.

You may use a chase with a vent termination with exposed pipe on the exterior of the house. See Installing Vent System in a Chase, page 10.

Your Vanguard direct-vent fireplace has been tested for a minimum 3' rise with a maximum 10" wall thickness. The maximum horizon- tal run is 20' with 8' vertical rise (see Installation for Horizontal Termination, pages 10 and 11). The maximum vertical run is 30' (see Installation for Vertical Termination, pages 13 and 14).

It is very important that the venting system maintain its balance between the combustion air intake and the flue gas exhaust. Certain limitations apply to vent configurations and must be strictly followed.

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105706-01B

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Contents What to do if YOU Smell GAS Check Local Codes Prior to InstallationProduct Dimensions Table of ContentsBack View Glossary of TermsIntroduction Selecting LocationBefore YOU Begin Clearances PRE-INSTALLATION PreparationFraming Mantel ClearancesLocation of Vent Termination PRE-INSTALLATION Preparation General VentingGeneral Venting Venting Installation Installation PrecautionsInstallation Planning Installing Vent System in a Chase Installation for Horizontal TerminationVent Opening Requirements Horizontal Venting Horizontal Termination ConfigurationsFlat Ceiling Installation Installation for Vertical TerminationVertical Termination Configurations Cathedral Ceiling InstallationHigh Altitude Installation Parts Lists for Venting Kits and ComponentsVanguard Rigid Venting Wall Switch Installation InstallationVanguard Flexible Venting Simpson Dura-Vent GS 4 x 6 5/8Optional Wireless HAND-HELD Remote Control Installation Electrical Hookup for Blower AccessoryInstalling Receiver GAS Line HOOK-UP Installing Battery in Hand-Held Remote Control UnitInstalling LOG SET GAS Supply TestingDecorative Facing Pilot Assembly AdjustmentBurner Flame Adjustment Operating Guidelines and Maintenance InstructionsBurner Removal Operating Fireplace Cleaning MaintenanceLighting Instructions Optional Remote OperationTo Turn OFF GAS To Appliance Technical Service Replacement Parts Service HintsWiring Diagram Parts Under WarrantyObserved Problem Possible Cause Remedy TroubleshootingObserved Problem Possible Cause Company Gas leak. See Warning statement Wall Switch KIT Accessories Replacement Parts ListPilot Assembly Blower KIT DavdbkDoor Assembly AssemblyEND Glass Assembly Screen AssemblyOwners Registration Form Postage Required 105706-01B Warranty Information