Desa (V)V36N-B SERIES, VV36NC1 SERIES Owner's Operation And Installation Manual

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111252-01EFor more information, visit www.desatech.comFor more information, visit www.desatech.com77VENTING INSTALLATIONINSTRUCTIONSNOTICE: Read these instructions completely be-fore attempting installation.These models are tested and approved for use with DESA (direct-vent) pipe components and terminations.The venting system must terminate on the outside of the structure andcan not be attached to a chimney or flue system serving a separatesolid fuel or gas burning appliance. A direct-vent appliance must haveits own venting system. DO NOT common vent this appliance.These models are approved to be vented either horizontally throughan outside wall or vertically through a roof or chase enclosure usingthe following guidelines:• When venting system terminates horizontally on an outside wall,you may install a standoff if the termination cap is to be in-stalled directly on a combustible finish such as vinyl, wood,stucco, etc.• Never run the vent downward as this may cause excessive tem-peratures which could cause a fire.• Vent pipe air space clearances to combustibles are 1" on all sidesexcept on the horizontal sections, which requires 2" clearancefrom the top of the pipe. Where the termination cap penetrates acombustible wall, 1" air space clearance is required.• Snorkel terminations are required when minimum clearance tograde cannot be met (see Figure 16 on page 11).• Have fireplace and selected vent components on hand to helpdetermine the exact measurements when elbowing or offsetting.Always use wall firestops when penetrating walls and firestopswhen penetrating ceilings or attic spaces.• Install horizontal venting with a 1/4" rise for every 12" of runtoward the termination.WARNING: Read all instructions completely andthoroughly before attempting installation. Failure todo so could result in serious injury, property damageor loss of life.NOTICE: Failure to follow these instructions will voidthe warranty.NOTICE: Do not seal termination cap to vent pipe.Cap must be removable for vent inspection andmaintenance.WARNING: This gas fireplace and vent assemblymust be vented directly to the outside. The ventingsystem must NEVER be attached to a chimney serv-ing a separate solid fuel burning appliance. Eachdirect-vent gas appliance must use a separate ventsystem. Do not use common vent systems.WARNING: Vent pipe air space clearances to com-bustibles are 1" on all sides except on the horizontalsections, which require 2" clearances from the top ofthe pipe. Where the termination cap penetrates a com-bustible wall, 1" air space clearance is required.VENTING INSTALLATION INSTRUCTIONSInstallation PrecautionsINSTALLATION PRECAUTIONS• 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 ceilingsThe following actions will void the warranty on your ventingsystem:• Installation of any damaged venting component• Unauthorized modification of the venting system (Do not cutor alter vent components)• Installation of any component part not manufactured or ap-proved by DESA• Installation other than as instructed by these instructions