Hearth and Home Technologies CFX-Crescent owner manual Straight UP

Page 15

COMBUSTION

DUCT COLLAR

FOR

AK-CFX AIR KIT

Figure 6. Unit with duct collar.

The combustion air duct on the right side of the unit can run horizontally or elbow upward 46 feet long. This duct can elbow down to a maximum of 18 feet.

CAP

STRAIGHT UP

VERTICAL VENTING

V (FT.)

46' MAX. (14M)

V

Figure 7. Straight Up Vertical Venting

Heat & Glo • CFX-CRESCENT • 705-900 Rev. P • 12/07

15

Image 15

Contents Model CFX-Crescent Installation and OperationSafety and Warning Information Getting Started Table of ContentsSection Installing the Fireplace Approvals and CodesCFX-Crescent Log Set AssemblyAt Depot Service Parts List CFX-CrescentPost 002182991 Valve Assembly Pre 002182991 Valve AssemblyCodes Installation CodesHigh Altitude Installations Approvals and CodesRequirements for the Commonwealth of Massachusetts Installation of Carbon Monoxide DetectorsGetting Started Diagram of the CFX-CRESCENT 66 5/8 33 1/4 47 1/8 19 5/8 35 1/2 Installing the FireplaceLocating the fireplace Clearance RequirementsStep Framing Fireplace Framing DimensionsIdentifying Vent Components Vent System ApprovalsSL-45D SL-90D 17-24 11 3/4 Straight UP Venting with eight 8 90 Elbows Attaching the First Vent Component to the Starting Collars Attach the First Vent Component to the Starting CollarsContinue Adding Vent Components Adding Venting Components Install Support BracketsInstalling Support Brackets 4. Install Firestops 10 Hole and Vent Pipe 9 Hole & New Framing Members Attic Firestop Vent Termination Trapezoid Termination Cap Vent Termination Minimum Clearances This also pertains to vertical vent systems installed Minimum Height from Roof to Lowest Discharge Opening Step Positioning Leveling, Securing Fireplace Step Gas Control SystemIntermittent Pilot Ignition IPI System Gas Supply Line Step Gas Supply LineAppliance Requirements Step Gas Pressure Requirements Wiring FireplaceIntermittent Pilot Ignition IPI Wiring Pressure Natural Gas PropaneWall Switch Optional AccessoriesWSK-MLT Sealant Material Hearth ExtensionsRemoving Glass Door Installing the TrimPositioning the Logs Save the log instructions with this manualPlacing the Ember Material and Lava Rock Double-check vent terminations Step Before Lighting Fireplace After InstallationDouble-check for faulty components Double-check for gas leaksMaintaining and Servicing Your Fireplace Fireplace MaintenanceBurner Flame Patterns Contact Information