Century Jefferson manual Efﬁciency Ratings, Model EnerGuide Ratings Fireplace Efﬁciency %

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Efﬁciency Ratings

Model	EnerGuide Ratings
	Fireplace Efﬁciency (%)
JDVBRN	60.7
JDVBRP	60.7

CFM Corporation

2695 Meadowvale Blvd. • Mississauga, Ontario, Canada L5N 8A3

800-668-5323 • www.cfmcorp.com

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Contents Jefferson Direct Vent/Natural Vent Gas Heater Table of Contents Installation & Operating Instructions Requirements for the Commonwealth of Massachusetts Gas Equipment Venting System not ProvidedJefferson Direct Vent/Natural Vent Stove Dimensions Jefferson dimensionsLocating The Stove Installation RequirementsClearance Requirements Wall and Ceiling Clearances Wall Centerline from FloorHearth Requirements Gas Speciﬁcations Gas Inlet and Manifold PressuresHigh Elevations Horizontal Termination Direct Vent onlyVertical Termination Direct Vent only Restictor Plate is used on Direct Vent installations onlyVent Termination Clearances Location of Vent Termination Canadian Installations1 US Installations2 General Venting Information Termination LocationVenting Requirements Natural Vent Only Termination ClearancesVenting Requirements and Options Direct Vent only Approved Vent System ComponentsAssembly Procedures Install the Optional FanTools Required Unpack the StoveInstall the Vent Adapter Pipe Venting System Assembly Direct Vent General InformationFor Canadian installations The venting system must Attach the Inner Vent Assembly to the stove Attach inner assembly to ﬂue collarSide Wall Termination Assembly Simpson Dura-Vent install outer adapter pipeVent Termination Below Grade Measure the horizontal lengthVertical Through the Roof Vent Assembly Venting System Assembly Natural Vent General InformationInstall the Vent Pipe Install the Log Set Air Shutter Adjustment Air Shutter Adjustment InstructionsAir Shutter Adjustment Connect the Gas Supply LineRemove stove front Complete the Assembly Install ON/OFF SwitchInstall the Stove Front Thermostat Connection optionalFlame & Temperature Adjustment Flame CharacteristicsOperation Your First FireLighting and Operating Instructions To Turn Off Gas To HeaterTroubleshooting / Honeywell #8420 Gas Control System Symptom Possible Causes Corrective ActionConversion Precautions Conversion ProcedureFuel Conversion Instructions Pilot TypeInjector Oriﬁce Size Matrix Conversion to LP Input BTU/hMaintenance Gasket Replacement Stove DisassemblyInspect the Vent System Annually Check the Gas Flame RegularlyWiring Diagrams BLKJefferson Direct Vent/Natural Vent Gas Heater DescriptionDescripción Fuel Conversion KitsOptional Accessories Remote ControlsFan Kits Decorative Rings3636 Jefferson Direct Vent /Natural Vent Gas Heater 3838 CFM Corporation Toll Free Efﬁciency Ratings Model EnerGuide Ratings Fireplace Efﬁciency %