Hearth and Home Technologies CFX-Crescent owner manual Diagram of the CFX-CRESCENT

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When planning a fireplace installation, it’s necessary to determine:

Where the unit is to be installed.

The vent system configuration to be used.

Gas supply piping.

Electrical wiring.

Framing and finishing details. Refer to Finishing Variations addendum included in manual bag.

Whether optional accessories, such as a remote control, arch surround or door front are desired.

If the fireplace is to be installed on carpeting or tile, or on any combustible material other than wood flooring, the fireplace should be installed on a metal or wood panel that extends the full width and depth of the fireplace.

 

12 3/4 (323mm)

25 3/8 (645mm)

 

 

 

 

 

 

 

 

 

9 1/2 (241mm)

 

 

19 1/8 (487mm)

 

 

 

 

 

 

 

12 5/8 (319mm)

 

3 (76mm)

 

 

Ø6 5/8 (168mm)Ø

 

 

 

 

 

 

 

GAS LINE

 

 

 

12 7/8 (326mm)

 

 

 

8 1/2 (216mm)

 

 

ACCESS

 

 

 

 

46 3/4

 

 

 

ELECTRICAL

43 1/8 (2)

38 1/4

 

ACCESS

(1187mm)

 

 

(1096mm)

(972mm)

 

 

38 1/2

 

 

 

 

 

 

 

 

(978mm)

2 3/8

 

 

 

2 3/4

 

(61mm)

 

 

2 3/8 (62mm)

 

 

 

(68mm)

6 (153mm)

 

1 1/8

 

5 1/2

 

 

 

 

 

 

 

34 1/2 (876mm)

(138mm)

 

 

9 (231mm)

(29mm)

9 3/4 (248mm)

 

 

 

TOP VENT

 

 

 

 

COLLARS

 

 

 

 

 

 

CONTROL

 

 

 

 

 

VALVE

 

 

 

 

 

ELECTRICAL

 

 

 

 

 

ACCESS

 

 

 

 

 

 

AK-CFX

 

 

 

 

 

STARTING

 

 

 

 

 

COLLAR

 

Figure 1. Diagram of the CFX-CRESCENT

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Heat & Glo • CFX-CRESCENT705-900 Rev. P • 12/07

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Contents Installation and Operation Model CFX-CrescentSafety and Warning Information Approvals and Codes Table of ContentsSection Installing the Fireplace Getting StartedLog Set Assembly CFX-CrescentService Parts List CFX-Crescent At DepotPre 002182991 Valve Assembly Post 002182991 Valve AssemblyApprovals and Codes Installation CodesHigh Altitude Installations CodesInstallation of Carbon Monoxide Detectors Requirements for the Commonwealth of MassachusettsGetting Started Diagram of the CFX-CRESCENT Clearance Requirements Installing the FireplaceLocating the fireplace 66 5/8 33 1/4 47 1/8 19 5/8 35 1/2Framing Dimensions Step Framing FireplaceVent System Approvals Identifying Vent ComponentsSL-45D SL-90D 17-24 11 3/4 Straight UP Venting with eight 8 90 Elbows Attach the First Vent Component to the Starting Collars Attaching the First Vent Component to the Starting CollarsAdding Venting Components Install Support Brackets Continue Adding Vent ComponentsInstalling 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 Gas Control System Step Positioning Leveling, Securing FireplaceIntermittent Pilot Ignition IPI System Step Gas Supply Line Gas Supply LinePressure Natural Gas Propane Step Gas Pressure Requirements Wiring FireplaceIntermittent Pilot Ignition IPI Wiring Appliance RequirementsOptional Accessories Wall SwitchWSK-MLT Hearth Extensions Sealant MaterialInstalling the Trim Removing Glass DoorSave the log instructions with this manual Positioning the LogsPlacing the Ember Material and Lava Rock Double-check for gas leaks Step Before Lighting Fireplace After InstallationDouble-check for faulty components Double-check vent terminationsFireplace Maintenance Maintaining and Servicing Your FireplaceBurner Flame Patterns Contact Information