Hearth and Home Technologies CERONA-42 Termination Locations, Vent Termination Minimum Clearances

Page 12

4 Termination Locations

A. Vent Termination Minimum Clearances

HORIZONTAL OVERHANG

WARNING

Fire Risk. Explosion Risk.

Inspect external vent cap regularly.

•Ensure no debris blocks cap.

•Combustible materials blocking cap may ignite.

•Restricted air flow affects burner operation.

2FT.

MIN.

GAS DIRECT VENT

TERMINATION CAP

20 INCHES MIN.

VERTICAL

LOWEST

WALL

 

DISCHARGE

 

OPENING

 

X

12

ROOF PITCH

IS X/ 12

H (MIN.) - MINIMUM HEIGHT FROM ROOF TO LOWEST DISCHARGE OPENING

WARNING

Fire Risk. Explosion Risk.

Maintain vent clearance to combustibles as specified.

•Do not pack air space with insulation or other materials.

Failure to keep insulation or other materials away from vent pipe may cause fire.

Roof Pitch

H (Min.) Ft.

Flat to 6/12

1.0*

Over 6/12 to 7/12

1.25*

Over 7/12 to 8/12

1.5*

Over 8/12 to 9/12

2.0*

Over 9/12 to 10/12

2.5

Over 10/12 to 11/12

3.25

Over 11/12 to 12/12

4.0

Over 12/12 to 14/12

5.0

Over 14/12 to 16/12

6.0

Over 16/12 to 18/12

7.0

Over 18/12 to 20/12

7.5

Over 20/12 to 21/12

8.0

* 3 foot minimum in snow regions

Figure 4.2 Minimum height from roof to lowest discharge opening

Measure vertical clearances from this surface.

Measure horizontal clearances from this surface.

(See Figure 4.4 for specific clearances)

Figure 4.1

Figure 4.2 specifies minimum vent heights for various pitched roofs.

GAS, WOOD OR FUEL

 

OIL TERMINATION

B

 

GAS

CTERMINATION

A

 

Gas

Wood & Fuel Oil

Comments

 

Termination

Termination

 

 

A

6 in.

20 in. min.

Horizontal distance between terminations

B

20 in.

24 in. min.

Distance to perpendicular wall

C

18 in.

18 in.

Vertical distance between terminations

Figure 4.3 Multiple Vertical Termination

12

Heat & Glo • Cerona-36, Cerona-42 • 2106-900 Rev. H • 11/08

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Contents Models What to do if you smell gasHomeowner Reference Information Model Number Serial NumberTable of Contents Listing and Code Approvals Installation of Carbon Monoxide Detectors Requirements for the Commonwealth of MassachusettsInstallation to ensure maximum safety and benefit Getting StartedTools and Supplies Needed Read all of the instructions before starting the instaInspect Firebox Framing and Clearances Selecting Appliance LocationConstructing the Appliance Chase ClearancesMantel Projections 724 425 406 279Hearth Extension Dimensions Hearth ExtensionTermination Locations Vent Termination Minimum ClearancesAlcove Applications Minimum Clearances for TerminationInstall Support Brackets To Install the Heat ShieldContinue Adding Vent Components Vent Information and Diagrams Vent Table KeyMeasuring Standards Use of ElbowsVent Diagrams Top Vent Horizontal Termination One ElbowTwo Elbows Top Vent Horizontal Termination Three Elbows Top Vent Vertical Termination Straight up Vertical VentingV1 = 50 ft. Max .2 m 152 mm 914 mm 305 mm 610 mm 10 ftTop Vent Horizontal Termination Two Elbows 305 mm 610 mm 914 mm 10 ftVent Clearances and Framing Pipe Clearances to CombustiblesWall Penetration Framing Combustible Wall PenetrationInstalling the Ceiling Firestop Installing Attic ShieldVertical Penetration Framing Removing Non-combustible Facing Mate- rial Assembly Appliance PreparationInstalling Non-combustible Facing Material Securing and Leveling the ApplianceInstalling Flue Restrictors Complete Installation of Non-combustible Facing MaterialInstalling Vent Pipe Assembly of Vent SectionsAttaching Vent to the Firebox Assembly Assembling Pipe SectionsAssembling Minimum Installations MI Sections Assembling DVP-12A Slip SectionsDisassembly of Vent Sections Securing the Vent SectionsVertical Sections Horizontal SectionsInstalling Heat Shield and Horizontal Termination Cap Installing the Horizontal Termination CapHeat Shield Requirements for Horizontal Termination Heat shield DVP-HSM-B must be usedInstalling Roof Flashing and Vertical Ter- mination Cap flue of the pipe see FigureAssembling and Installing Storm Collar 18 Assembling the Storm Collar Around the PipeGas Information Fuel Conversions Gas ConnectionGas Pressures High Altitude Installations Recommendation for Wire Intellifire Ignition System WiringConnecting to the Appliance Electrical InformationJunction Box Installation For units Without factory installed Rocker SwitchStep Finishing Facing Material Non-combustible Facing MaterialFinishing Material Options Finishing Material Thickness from 3/4 in. to 1-1/4Finishing Material Thickness greater than 1-1/4 inch Mounting stone eye brow ATRIMSTONE-36, ATRIMSTONE-4210 Fireplace sitting on combustible surface Appliance Setup Clean the ApplianceAccessories Ember PlacementLog Assembly LOGS-Cerona36 Positioning the Logs Model Cerona-36Heat & Glo Cerona-36, Cerona-42 2106-900 Rev. H 11/08 Model Cerona-42 Step Glass Assembly Air Shutter SettingGrilles and Trim Operating Instructions Before Lighting ApplianceThis appliance has an Intellifire ignition system Lighting Appliance IPI Ignition Final inspection byFrequently Asked Questions Initial Break-in ProcedureAfter Appliance is Lit Troubleshooting Intellifire Ignition SystemSympton Possible Cause Corrective Action Symptom Possible Cause Corrective Action Maintenance Tasks Maintaining and Servicing ApplianceInspect Maintenance Tasks Doors, SurroundsAppliance Dimension Diagram Reference MaterialsModel Cerona-36 Model Cerona-42 Vent Components Diagrams DVP vent componentsDVP-TRAP COOL-ADD Not for use with these models Log Set Assembly Service PartsPart number list on following Service Parts List StockedAt Depot IPI Valve Assembly CERONA-42 LOGS-CERONA42 Touch UP Paint -Fiber boxIPI Valve Assembly CONDITIONS, Exclusions & Limitation of Liability Limited Lifetime Warranty Contact Information
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