Vanguard Heating UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER Installation Items Needed

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OWNER’S MANUAL

INSTALLATION

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Installation Items Needed

•hardware package (provided with heater)

•approved flexible gas hose (not provided) (if allowed by local codes)

•sealant (resistant to LP gas, not provided)

•electric drill with 3/16" drill bit (metal or masonry as applicable)

•flathead screwdriver

1.Apply pipe joint sealant lightly to male threads of the fitting to be threaded into gas regulator. Connect approved flex- ible gas hose to gas regulator of heater (see Figure 11).

IMPORTANT: Hold gas regulator with wrench when connecting flexible gas hose.

2.Locate two masonry screws in hard- ware package.

3.Place heater base in fireplace.

4.Place logs in their proper position on heater base.

5.Center heater base and logs front-to- back and side-to-side in fireplace.

6.Carefully remove logs without moving heater base.

7.Mark screw locations through one hole on each side of the mounting bracket (see Figure 12). If installing in a brick- bottom fireplace, mark screw locations in mortar joint of bricks.

8.Remove heater base from fireplace.

9.Drill holes at marked locations using 3/16" drill bit.

10.Attach base assembly to fireplace floor using two masonry screws (in hardware package).

11.Connect to gas supply. See Connect- ing To Gas Supply, page 12.

12.Replace logs on heater base.

	Flexible Gas
	Hose (if allowed
Fitting	by local codes)

Figure 11 - Attaching Flexible Gas Hose to Heater

Masonry Screw

Mounting Flanges

Figure 12 - Attaching Base Assembly to Fireplace Floor

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Contents Patent Pending OWNER’S Operation and Installation ManualWhat to do if YOU Smell GAS 18, 24, 30, and 36 Remote Ready ModelVanguard Flame MAX Unvented Natural GAS LOG Heater Safety InformationLocal Codes Product FeaturesRemote Control Accessories Product IdentificationConfined and Unconfined Space AIR for Combustion and VentilationProviding Adequate Ventilation Unusually Tight ConstructionDetermining if You Have a Confined or Unconfined Space AIR for Combustion VentilationDetermining FRESH-AIR Flow for Heater Location Ventilation Air From Outdoors Ventilation AIRVentilation Air From Inside BuildingMinimum Wall and Ceiling Clearances see Figure InstallationInstallation Check GAS TypeMinimum Noncombustible Material Clearances If Using MantelIf Not Using Mantel Determining Minimum Mantel Clearance Determining Minimum Mantel Clearance When Using a HoodMantel Clearances Floor ClearancesChimney Minimum Permanent Height ft Flue Opening sq. ins Installing Damper Clamp Accessory for Vented OperationInstalling Heater Base Assembly Attaching Flexible Gas Hose to Heater Installation Items NeededWrench when connecting it to gas piping and/or fittings Connecting to GAS SupplyTest Pressures In Excess Of 1/2 Psig Pressure Testing Gas Supply Piping SystemPressure Testing Heater Gas Connections Checking GAS ConnectionsPlace lava rock around base of heater Installing LogsLighting Instructions For Your Safety Read Before LightingOperating Heater Optional Remote Operation Manual Lighting ProcedureTo Turn OFF GAS To Appliance Main Burner Inspecting BurnersPilot Flame Pattern Burner Primary AIR HolesLogs Cleaning and MaintenanceCleaning Burner Injector Holder and Pilot AIR Inlet Hole 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 ListTechnical Service Wiring Diagram Replacement PartsSpecifications Service HintsAccessories International Warranty Information