Vanguard Heating UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER installation manual Patent Pending

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®

UNVENTED (VENT-FREE)

NATURAL GAS LOG HEATER

VARIABLE MANUALLY-CONTROLLED MODELS ALSO DESIGN-CERTIFIED

AS A VENTED DECORATIVE APPLIANCE

OWNER’S OPERATION AND INSTALLATION MANUAL

FLAME-MAX®

Golden Oak Log

Design

18", 24", 30", and 36" Remote Ready Model

REMOTE OFF

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Patent Pending

WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damage, personal injury, or loss of life.

—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 per- formed by a qualified installer, service agency, or the gas supplier.

WARNING: Improper installation, ad- justment, alteration, service, or main- tenance can cause injury or property damage. Refer to this manual for cor- rect installation and operational pro- cedures. For assistance or additional information consult a qualified installer, service agency, or the gas supplier.

WARNING: This appliance is for in- stallation only in a solid-fuel burning masonry, UL127 factory-built fireplace, or in an approved ventless firebox. It is design certified for these installa- tions in accordance with ANS Z21.11.2. Exceptions: Do not install this appli- ance in a factory-built fireplace that includes instructions stating it has not been tested or should not be used with unvented gas logs.

WARNING: This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed. Provisions for adequate combustion and ventilation air must be provided. Refer to Air for Combustion and Ventilation section on page 4 of this manual.

This appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohibited by state or local codes.

* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation Manual18, 24, 30, and 36 Remote Ready Model Patent PendingVanguard Flame MAX Unvented Natural GAS LOG Heater Safety InformationRemote Control Accessories Product FeaturesProduct Identification Local CodesProviding Adequate Ventilation AIR for Combustion and VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location AIR for Combustion VentilationDetermining if You Have a Confined or Unconfined Space Ventilation Air From Inside Ventilation AIRBuilding Ventilation Air From OutdoorsInstallation InstallationCheck GAS Type Minimum Wall and Ceiling Clearances see FigureIf Not Using Mantel If Using MantelMinimum Noncombustible Material Clearances Mantel Clearances Determining Minimum Mantel Clearance When Using a HoodFloor Clearances Determining Minimum Mantel ClearanceInstalling Heater Base Assembly Installing Damper Clamp Accessory for Vented OperationChimney Minimum Permanent Height ft Flue Opening sq. ins Attaching Flexible Gas Hose to Heater Installation Items NeededWrench when connecting it to gas piping and/or fittings Connecting to GAS SupplyPressure Testing Heater Gas Connections Pressure Testing Gas Supply Piping SystemChecking GAS Connections Test Pressures In Excess Of 1/2 PsigPlace lava rock around base of heater Installing LogsOperating Heater For Your Safety Read Before LightingLighting Instructions To Turn OFF GAS To Appliance Manual Lighting ProcedureOptional Remote Operation Pilot Flame Pattern Inspecting BurnersBurner Primary AIR Holes Main BurnerCleaning Burner Injector Holder and Pilot AIR Inlet Hole Cleaning and MaintenanceLogs Observed Problem Possible Cause TroubleshootingObserved Problem Possible Cause Remedy Gas leak. See Warning statement at top TopIllustrated Parts Breakdown VYD18NRA, VYD24NRA VYD30NRA, and VYD36NR Parts ListSpecifications Wiring Diagram Replacement PartsService Hints Technical ServiceAccessories International Warranty Information
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