Manuals / Hearth and Home Technologies / Household Appliance / Indoor Fireplace

Hearth and Home Technologies CNXT4236ILT, CNXT4842ILT, CNXT4842IH, CNXT4842ILH Log/Grate Assembly

Models: CNXT4236ILH CNXT4236IH CNXT4842IH CNXT4842ILT CNXT4236ILT CNXT4842IT CNXT4236IT CNXT4842ILH

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Heatilator • Caliber CNXT Series • 4047-132 Rev U • 11/08

Service Parts	CNXT4842 SERIES
Service Parts Diagram	Beginning Manufacturing Date: N/A
42 in. Caliber NXT Series	Ending Manufacturing Date: Active

6

34

5

1 2

Log/Grate Assembly

10

10

9					8	9					8
9					8	9					8


7							7
		Traditional Brick Refractory						Herringbone Brick Refractory

Part number list on following page.

06/08

			Service Parts			CNXT4842 SERIES
			Service Parts List				Beginning Manufacturing Date: N/A
		42 in. Caliber NXT Series					Ending Manufacturing Date: Active

#	Description of part		Comments	CNXT4842IT CNXT4842ILT CNXT4842IH CNXT4842ILH Qty

	Log/Grate Assembly			4047-008	4047-008		4047-008	4047-008	1
1	Front Left Log			4047-141	4047-141		4047-141	4047-141	1
2	Front Right Log			4047-140	4047-140		4047-140	4047-140	1
	Top Log Assembly			4040-038	4040-038		4040-038	4040-038	1
3	Top Y Log			4040-202	4040-202		4040-202	4040-202	1
4	Top Log			4040-203	4040-203		4040-203	4040-203	1
5	Middle Log	Pre GA1647700		4040-206	4040-206		4040-206	4040-206	1
5	Middle Log	Post GA1647700		4000-316	4000-316		4000-316	4000-316	1
		Post GA1647700		4000-316	4000-316		4000-316	4000-316	1
6	Back Log Assembly			4040-208	4040-208		4040-208	4040-208	1
	Back Log			4040-205	4040-205		4040-205	4040-205	1
	Refractory Pre April 2008
	Refractory Assembly			4047-226	4047-226		4047-236	4047-236	1
7	Back Refractory			4047-228	4047-228		4047-238	4047-238	1
8	Right Side Refractory			4047-229	4047-229		4047-241	4047-241	1
9	Left Side Refractory			4047-230	4047-230		4047-242	4047-242	1
10	Top Refractory			4047-232	4047-232		4047-232	4047-232	1
	Refractory Post April 2008
	Refractory Assembly			4047-326	4047-326		4047-336	4047-336	1
7	Back Refractory			4047-328	4047-328		4047-338	4047-338	1
8	Right Side Refractory			4047-329	4047-329		4047-341	4047-341	1
9	Left Side Refractory			4047-330	4047-330		4047-342	4047-342	1
10	Top Refractory			4047-332	4047-332		4047-332	4047-332	1

	Refractory Bracket			4047-118	4047-118		4047-118	4047-118	2
	Lava Rock Bag Assembly			4040-094	4040-094		4040-094	4040-094	1
	Mineral Wool			14333B	14333B		14333B	14333B	1
	Vermiculite			28746	28746		28746	28746	1
	Lava Rock (3lb. Bag)			4021-297	4021-297		4021-297	4021-297	1

06/08

C. Service Parts (continued)

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Hearth and Home Technologies CNXT4236ILT, CNXT4842ILT, CNXT4842IH, CNXT4842ILH, CNXT4842IT, CNXT4236ILH Log/Grate Assembly

Contents

Models Installation and OperationDirect Vent Gas Appliance What to do if you smell gasHomeowner Reference Information CongratulationsUser Guide Table of ContentsInstaller Guide Troubleshooting Appliance SetupFinishing Reference MaterialsCONDITIONS, Exclusions & Limitation of Liability Warranty Hearth & Home Technologies Limited WarrantyWarranty Listing and Code Approvals Requirements for the Commonwealth of Massachusetts Your Fireplace Gas Fireplace SafetyOperating Instructions Remote Controls, Wall Controls and Wall Switches Fixed Glass AssemblyFan Kit optional Clear SpaceLighting Instructions IPI After Fireplace is Lit Frequently Asked QuestionsMaintenance Tasks-Homeowner Maintenance and ServiceMaintenance Tasks-Qualiﬁed Service Technician Typical Appliance System Getting StartedTools and Supplies Needed Design and Installation ConsiderationsInspect Appliance and Components Any such action may cause a ﬁre hazardModel # Framing and ClearancesSelecting Appliance Location Rough Opening Model Width Height Depth Constructing the Appliance ChaseClearances Mantel Legs or Wall Projections Mantel and Wall ProjectionsMantels Vent Termination Minimum Clearances Termination LocationsMinimum Clearances for Termination Approved Pipe Vent Information and DiagramsVent Table Key Use of ElbowsOne Elbow Vent DiagramsTop Vent Horizontal Termination Min Max +H 2 max +H 2+H 3 max Two 45 Elbows replacing One 90 ElbowTwo Elbows Three Elbows Installed VerticallyNo Elbow Top Vent Vertical Termination12 ft 3.66 m min 60 ft 18.29 m max One 45 Elbow Rear Vent Horizontal TerminationTwo Elbows Rear Vent Vertical Termination Min Ft 1.83 m max 12 ft 3.66 m min 60 ft 18.29 m max 17 Flat Bafﬂe Installing Vertical Termination BafﬂeReplace the glass refer to .H Start the appliance Pipe Clearances to Combustibles Vent Clearances and FramingWall Penetration Framing Combustible Wall PenetrationInstalling Ceiling Firestop Install the Ceiling FirestopVaulted Ceiling Installation Install Attic Insulation ShieldFlat Ceiling Installation Convert from Top Vent to Rear Vent Appliance PreparationOuter Collar, Remove Four Screws 11 Place Outer Collar on Rear of Appliance 16 Cover Plate-Replace 20 Proper Positioning, Leveling And Securing Of An Securing and Leveling the ApplianceAttach Pipe to the Firebox Assembly Installing Vent PipeAssemble Pipe Sections DVP Only Assemble Pipe Sections DVP OnlyAdding Venting Components Assemble Vent Sections SLP OnlySecure the Vent Sections Assemble Slip SectionsDisassemble Vent Sections Install Decorative Ceiling Components SLP onlyCaulk Install Metal Roof Flashing17 Assembling the Storm Collar Assemble and Install Storm CollarSLP-FS Install RF4-8Heat Shield Requirements for Horizontal Termination Installing Vertical Termination CapInstalling Decorative Wall Components SLP only Interior Install Horizontal Termination CapFuel Conversion Gas InformationGas Pressure Gas ConnectionIntelliﬁre Ignition System Wiring Wiring RequirementsElectrical Service and Repair Junction Box Installation Electrical InformationDetermine Location WSK-MLT Multifunction Wall SwitchPrecautions Intelliﬁre IPI Wiring Diagram Wiring the Wall SwitchHook up the Temperature Sensor Switch for Fan Install the Flame SolenoidInstall the Cover Plate Install the Remote Cover PlateWSK-MLT Operating Instructions Setting Flame Height/Manifold PressureWall Switch Button Operation Service Parts List Facing Material FinishingAppliance Setup Place the Rockwool Log AssemblyInstall Hood Install Trim and/or SurroundsAir Shutter Setting Removing Fixed Glass AssemblyIntelliﬁre Ignition System TroubleshootingSymptom Possible Cause Corrective Action Will not ignite. If the pilot Reference Materials Appliance Dimension DiagramDVP Vent Components Vent Components DiagramsBEK DVP-BEK2 DVP-TVHW Horizontal Termination Cap DVP-TRAPDVP-HRC-SS Effective Adapter SL-2DVPParts ServiceStocked Service PartsIPI Valve Assembly CNXT4842 Series Log/Grate Assembly Valve Assembly Model Description Optional ComponentsContact Information