Vanguard Heating VMH10TNA Connecting to GAS Supply, Attaching Wood Base to Solid Floor

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®VMH10TNA

VENT-FREE NATURAL GAS COMPACT FIREPLACE

INSTALLATION

Continued

Attaching Wood Base to Solid Floor

For attaching base to solid floors (concrete or masonry)

Note: Floor anchors and mounting screws are in hardware package. The hardware package is provided with fireplace.

1.Drill holes at marked locations using 5/16" drill bit. For solid floors (concrete or masonry), drill at least 1" deep.

2.Fold floor anchor as shown in Figure 21.

3.Insert floor anchor (wings first) into hole. Tap anchor flush to floor.

4.Insert mounting screws through base and into floor anchors.

5.Tighten screws until base is firmly fas- tened to floor.

CAUTION:Use only new, black iron or steel pipe. Inter- nally-tinned copper tubing may be used in certain areas. Check your local codes. Use pipe of 1/2" or greater diameter to al- low proper gas volume to fire- place. If pipe is too small, un- due loss of pressure will occur.

Installation must include a manual shutoff valve, union, and plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from fireplace (see Figure 22).

IMPORTANT: Install main gas valve (manual shutoff valve) in an accessible location. The main gas valve is for turning on or shutting off the gas to the appliance.

Apply pipe joint sealant lightly to male threads. This will prevent excess sealant from going into pipe. Excess sealant in pipe could result in clogged fireplace valves.

CAUTION: Use pipe joint seal- ant that is resistant to liquid pe- troleum (LP) gas.

We recommend that you install a sediment trap in supply line as shown in Figure 22. Locate sediment trap where it is within reach for cleaning. Install in piping system between fuel supply and heater. Locate sedi- ment trap where trapped matter is not likely to freeze. A sediment trap traps moisture and contaminants. This keeps them from going into fireplace controls. If sediment trap is not installed or is installed wrong, fireplace may not run properly.

Figure 21 - Folding Anchor

Approved Flexible

Gas LineA.G.A. Design-Certified Manual

Shutoff Valve With 1/8" NPT Tap*

CONNECTING TO GAS SUPPLY

WARNING: A qualified ser- vice person must connect fire- place to gas supply. Follow all local codes.

WARNING: Never connect fireplace to private (non-utility) gas wells. This gas is commonly known as wellhead gas.

IMPORTANT: Check gas line pressure be- fore connecting fireplace to gas line. Gas line pressure must be no greater than 14 inches of water. If gas line pressure is higher, fireplace regulator damage could occur.

From Gas Meter (5" W.C. to 10.5" W.C. Pressure)

3" Minimum

Pipe Nipple Cap Tee Joint

Sediment Trap

Figure 22 - Gas Connection

*Purchase the optional A.G.A. design-certified manual shutoff valve from your dealer. See Accessories, page 27.

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Contents VENT-FREE Natural GAS Compact Classic Hearth Fireplace What to do if YOU Smell GASSafety Information VMH10TNALocal Codes Product FeaturesProduct Identification UnpackingAssembling Fireplace AssemblyInstalling Log Assembling HoodUnusually Tight Construction AIR for Combustion and VentilationProviding Adequate Ventilation Confined and Unconfined SpaceDetermining if You Have a Confined or Unconfined Space AIR for Combustion VentilationDetermining FRESH-AIR Flow for Fireplace Location Ventilation Air From Outdoors Ventilation AIRVentilation Air From Inside Building Check GAS Type InstallationInstallation Items Locating FireplaceBUILT-IN Fireplace Installation Wall openingOptional Mantel Installation Mantel Clearances for Built-In InstallationInstalling Blower Assembly Installing Blower Accessory GA3400TRemoving Upper Louver Assembly Assembling Brass Trim Brass trim shipped with mantelInstall the switch plate on the valve For Built-In Installation Extension CordConnecting to GAS Supply Attaching Wood Base to Solid FloorConnecting Fireplace to GAS Supply Installation Items NeededChecking GAS Connections Pressure Testing Gas Supply Piping SystemPressure Testing Fireplace Gas Connections Lighting Instructions For Your Safety Read Before LightingOperating Fireplace Operating Blower Manual Lighting ProcedureTo Turn OFF GAS To Appliance Burner Flame Pattern Inspecting BurnerPilot Flame Pattern Troubleshooting Observed Problem Possible Cause RemedyClean burner see Cleaning and Mainte Gas leak. See Warning statement at Technical Service Cleaning and MaintenanceService Hints Cleaning Burner Injector Holder and Pilot AIR Inlet HoleIllustrated Parts Breakdown VMH10TNA17Parts List VMH10TNAParts Under Warranty SpecificationsReplacement Parts Parts not Under WarrantyAccessories Warranty Information