Vanguard Managed Solutions MBDV41, MBDV37 installation manual Venting with Two 90 Elbows

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OWNER’S MANUAL

VENTING

INSTALLATION

Continued

	Venting with Two 90° Elbows
Vertical (V)	Horizontal (H1)	Horizontal (H1) +
		Horizontal (H2)
5' min.	2' max.	6' max.
6' min.	4' max.	12' max.
7' min.	6' max.	18' max.
8' min.	8' min.	20' max.
20' max.	8' max.	20' max.

Figure 19 - Horizontal Termination Configuration for Rigid Venting Using Two 90° Elbows

Venting with Two 90° Elbows

Vertical (V)	Horizontal (H1) +
	Horizontal (H2)
5' min.	6' max.
6' min.	12' max.
7' min.	18' max.
8' min.	20' max.
20' max.	20' max.

Figure 20 - Horizontal Termination Configuration for Rigid Venting Using Two 90° Elbows with Termination at 90° with Fireplace

Continued

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Contents MBDV37 and MBDV41 OWNER’S Operation and Installation ManualFor Your Safety Check Local Codes Prior to InstallationSafety Information Product Identification Product FeaturesLocal Codes Glossary TermsFraming and Finishing PRE-INSTALLATION PreparationClearances Location and Space RequirementsLocation of Vent Termination PRE-INSTALLATION Preparation General VentingGeneral Venting Installation Planning Venting InstallationInstallation Precautions Installing Vent System in a Chase Installation for Horizontal TerminationVent Opening Requirements Horizontal Venting Horizontal Termination ConfigurationsVenting with Two 90 Elbows Connect a section of pipe and extend up through the hole Installation for Vertical TerminationFlat Ceiling Installation Cathedral Ceiling InstallationVenting with One 90 Elbow Vertical Termination ConfigurationsVertical Venting Vertical Rigid Venting Configuration Using Two 90 ElbowsVanguard Flexible Venting High Altitude InstallationParts Lists for Venting Kits and Components Vanguard Rigid VentingNumber Description Available from Desa International Fireplace InstallationElectrical Hookup for Blower Accessory Check GAS TypeOpen lower louver panel or remove for easier access Blower Assembly and OperationInstalling GA3700 Blower Some Models Have Blower Assembly PreinstalledInstalling Receiver Wall Switch InstallationWireless HAND-HELD Remote Control Ghrc Series Installation Installation Items Needed Installing GAS Piping to Fireplace LocationPressure Testing Gas Supply Piping System Connecting Fireplace to GAS SupplyGAS Supply Testing Installation Items NeededClose equipment shutoff valve see Fig- ure Pressure Testing Fireplace Gas ConnectionsRemoving/Replacing Glass Door REMOVING/REPLACING Glass DoorReplace glass door see Installing Optional Brick Liner D8037A/D8041Tighten all bracket screws Fireplace Models MBDV37 and MBDV41 Installing LOGS, Lava Rock and Glowing EmbersOperating Guidelines and Maintenance Instructions Lighting To Turn OFF GAS To Appliance For Your Safety Read Before LightingManual Lighting Procedure Operating FireplaceOperating Blower Pilot AssemblyInspecting Burners Remote OperationLogs Cleaning and MaintenanceGlass Door Pilot and BurnersMain Burner Orifice and Pilot Orifice Before YOU BeginFinal Preparation GAS Control Valve ConversionObserved Problem Possible Cause TroubleshootingOrifice Trying to light the fireplaceParts, Pilot’s millivoltageGlass soots Flame impingement on logs Delayed ignition burner Manifold pressure is too lowBurner is lit Pane/LP or natural gas companyAbove Gas leak. See Warning statementSpecifications Replacement Parts Wiring DiagramTechnical Service Service HintsMBDV37 MBDV41 Illustrated Parts BreakdownDIRECT-VENT Fireplace MBDV37 MBDV41 Parts ListBrass Louver KIT AccessoriesWall Mount ON/OFF Switch KIT GWMS2 Cleaning KIT GCK106497 Warranty Information