Vermont Casting DVR28IN installation instructions Efﬁciency Ratings, 67.6 64.3

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Efﬁciency Ratings

Model	EnerGuide Ratings	Steady State (%)		D.O.E.
	Fireplace Efﬁciency (%)	Fan-OFF	Fan-ON	(AFUE%)
DVR28IN	67.6	85	n/a	64.3

CFM Corporation

410 Admiral Blvd. • Mississauga, Ontario, Canada L5T 2N6

800-668-5323 • www.cfmcorp.com

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Contents Direct Vent Model DVR28IN Table of Contents Certiﬁed To Installation & Operating InstructionsAnsi Z21.88-2005 / CSA Vented Gas Fireplace Heaters DVR28 Fireplace Dimensions Fireplace speciﬁcations and framing dimensionsInstallation Instructions Preparation Locating Your FireplaceMounting the Fireplace Clearance to CombustiblesGas Line Installation Gas SpeciﬁcationsGas Inlet and Manifold Pressures High ElevationsRestrictor Plate Installation InstallationGeneral Venting Location of Vent TerminationCanadian Installations1 US Installations2 General Venting Information Termination LocationCanadian Installations USA InstallationsGeneral Information Assembling Vent Pipes Twist Lock PipesHow to Use the Vent Graph Rear Wall Venting ApplicationsExample a Example BRear Wall Installation Twist Lock Pipe Zero clearance sleeve is only required for combustible wallsVertical Sidewall Applications Total angular variation =Below Grade Installations Vertical Through-the-Roof ApplicationVertical Through-the-Roof Installation Place ﬁrestop spacers and secureMinimum termination to roof clearance Venting Components Window Frame Assembly Removal Glass CleaningOperating Instructions Glass InformationFlame Characteristics Flame & Temperature AdjustmentInspecting the Venting System Lighting & Operating Instructions For Fireplaces equipped with AF4000 Gas ValveLighting Instructions Turning Off the Gas to the ApplianceTroubleshooting AF4000 ValveTroubleshooting AF4000 Valve Igniter operationTroubleshooting AF4000 Valve Maintenance Cleaning the Standing Pilot Control SystemFireplace May Be HOT Burner and Burner CompartmentDescription DVR28Optional Accessories Curve Face KitScreen Door Kit Model # ColorLimited Lifetime Warranty Efﬁciency Ratings 67.6 64.3