Vanguard Managed Solutions MBDV41, MBDV37 Pressure Testing Fireplace Gas Connections

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OWNER’S MANUAL

FIREPLACE INSTALLATION

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Test Pressures Equal To or Less Than 1/2 PSIG (3.5 kPa)

1.Close equipment shutoff valve (see Fig- ure 43).

2.Pressurize supply piping system by ei- ther opening propane/LP supply tank valve for propane/LP gas fireplace or opening main gas valve located on or near gas meter for natural gas fireplace, or using compressed air.

3.Check all joints from propane/LP sup- ply tank or gas meter to equipment shutoff valve (see Figure 44 for pro- pane/LP or Figure 45 for natural). Ap- ply commercial leak test solution to all gas joints. Bubbles forming show a leak. Correct all leaks at once.

Pressure Testing Fireplace Gas Connections

1.Open equipment shutoff valve (see Figure 43).

2.Open propane/LP supply tank valve for propane/LP fireplace or main gas valve located on or near gas meter for natu- ral gas fireplace.

3.Make sure control knob of fireplace is in the OFF position.

4.Check all joints from equipment shutoff valve to thermostat gas valve (see Fig- ure 44 for propane/LP or Figure 45 for natural). Apply commercial leak test so- lution to all gas joints. Bubbles forming show a leak. Correct all leaks at once.

5.Light fireplace (see Operating Fire- place, pages 26 and 27). Check all other internal joints for leaks.

6.Turn off fireplace (see To Turn Off Gas to Appliance, page 26).

Open

Equipment

Shutoff

Valve

Closed

Figure 43 - Equipment Shutoff Valve

Propane/LP Supply

Tank

Equipment

Shutoff Valve

Gas Valve

Figure 44 - Checking Gas Joints for Propane/LP Gas Fireplace

Equipment

Shutoff Valve

Gas Meter

Gas Valve

Figure 45 - Checking Gas Joints for Natural Gas Fireplace

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Contents For Your Safety OWNER’S Operation and Installation ManualCheck Local Codes Prior to Installation MBDV37 and MBDV41Safety Information Local Codes Product FeaturesGlossary Terms Product IdentificationClearances PRE-INSTALLATION PreparationLocation and Space Requirements Framing and FinishingLocation 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 ConfigurationsVenting with Two 90 Elbows Flat Ceiling Installation Installation for Vertical TerminationCathedral Ceiling Installation Connect a section of pipe and extend up through the holeVenting with One 90 Elbow Vertical Termination ConfigurationsVertical Venting Vertical Rigid Venting Configuration Using Two 90 ElbowsParts Lists for Venting Kits and Components High Altitude InstallationVanguard Rigid Venting Vanguard Flexible VentingElectrical Hookup for Blower Accessory Fireplace InstallationCheck GAS Type Number Description Available from Desa InternationalInstalling GA3700 Blower Blower Assembly and OperationSome Models Have Blower Assembly Preinstalled Open lower louver panel or remove for easier accessWall Switch Installation Wireless HAND-HELD Remote Control Ghrc Series InstallationInstalling Receiver Installation Items Needed Installing GAS Piping to Fireplace LocationGAS Supply Testing Connecting Fireplace to GAS SupplyInstallation Items Needed Pressure Testing Gas Supply Piping SystemClose equipment shutoff valve see Fig- ure Pressure Testing Fireplace Gas ConnectionsRemoving/Replacing Glass Door REMOVING/REPLACING Glass DoorInstalling Optional Brick Liner D8037A/D8041 Tighten all bracket screwsReplace glass door see Fireplace Models MBDV37 and MBDV41 Installing LOGS, Lava Rock and Glowing EmbersOperating Guidelines and Maintenance Instructions Manual Lighting Procedure To Appliance For Your Safety Read Before LightingOperating Fireplace Lighting To Turn OFF GASInspecting Burners Pilot AssemblyRemote Operation Operating BlowerGlass Door Cleaning and MaintenancePilot and Burners LogsMain Burner Orifice and Pilot Orifice Before YOU BeginFinal Preparation GAS Control Valve ConversionObserved Problem Possible Cause TroubleshootingParts, Trying to light the fireplacePilot’s millivoltage OrificeBurner is lit Delayed ignition burner Manifold pressure is too lowPane/LP or natural gas company Glass soots Flame impingement on logsAbove Gas leak. See Warning statementTechnical Service Replacement Parts Wiring DiagramService Hints SpecificationsMBDV37 MBDV41 Illustrated Parts BreakdownDIRECT-VENT Fireplace MBDV37 MBDV41 Parts ListWall Mount ON/OFF Switch KIT GWMS2 AccessoriesCleaning KIT GCK Brass Louver KIT106497 Warranty Information