Heatiator NNXT4236IL NNXT3933I, NNXT3933IL Secure the Vent Sections, Disassemble Vent Sections

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D. Secure the Vent Sections

Vertical runs of DVP pipe must be supported every 8 ft. (2.44 m) after the 25 ft. (7.62 m) maximum unsupported rise.

Vertical runs of SLP pipe must be supported every 8 ft. (2.44 m).

Horizontal sections of vent must be supported every 5 ft. (1.52 m) with a vent support or plumber’s strap.

Wall shield firestops may be used to provide horizontal support.

Vent support or plumber’s strap (spaced 120° apart) may be used for support. See Figures 10.9 and 10.10.

SLP ceiling firestops have tabs that may be used to provide vertical support.

WARNING! Risk of Fire, Explosion or Asphyxi- ation! Improper support may allow vent to sag and separate. Use vent run supports and connect vent sections per installation instructions. DO NOT allow vent to sag below connection point to appliance.

Figure 10.8 Securing Vertical Pipe Sections

Figure 10.9 Securing Horizontal Pipe Sections

E. Disassemble Vent Sections

Rotate either section (see Figure 10.10) so the seams on both pipe sections are aligned as shown in Figure 10.11.

Pull carefully to separate the pieces of pipe.

Figure 10.10 Rotate Seams for Disassembly

Figure 10.11 Align and Disassemble Vent Sections

Heatilator • Novus NNXT • 4055-879 • Rev. o • 2/12

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Contents Models Installation and OperationHomeowner Reference Information CongratulationsTable of Contents Finishing Limited Lifetime Warranty Limited Lifetime WarrantyWarranty Conditions Listing and Code Approvals Requirements for the Commonwealth of Massachusetts Operating Instructions Gas Fireplace SafetyYour Fireplace Clear Space Fixed Glass AssemblyRemote Controls, Wall Controls and Wall Switches Fan Kit optionalControl Module Operation IPI Battery Tray/Battery InstallationBefore Lighting Fireplace Final inspection by Lighting Instructions IPIInitial Break-in Procedure Frequently Asked QuestionsAfter Fireplace is Lit Maintenance Tasks-Homeowner Maintenance and ServiceMaintenance Tasks-Qualified Service Technician Typical Appliance System Getting StartedTools and Supplies Needed Design and Installation ConsiderationsInspect Appliance and Components Select Appliance Location Framing and ClearancesConstruct the Appliance Chase In. to Level of Standoffs ClearancesMantels Mantel and Wall ProjectionsMantel Legs or Wall Projections Vent Termination Minimum Clearances Termination LocationsMinimum Clearances for Termination Use of Elbows Vent Information and DiagramsApproved Pipe Vent Table KeyTop Vent Horizontal Termination Vent DiagramsOne Elbow Two Elbows Two 45 Elbows replacing One 90 ElbowTions Top Vent Vertical TerminationThree Elbows No ElbowLower & twist pull out 12 ft 3.66 m min 60 ft 18.29 m max 12 ft 3.66 m min ft 18.29 m max One 45 Elbow Rear Vent Horizontal TerminationInstalled Horizontally Rear Vent Vertical Termination Min Ft 1.83 m max 12 ft 3.66 m min Combustible Wall Penetration Vent Clearances and FramingPipe Clearances to Combustibles Wall Penetration FramingCeiling firestop Must be used between floors and attics Install the Ceiling FirestopFlat Ceiling Installation Install Attic Insulation ShieldVaulted Ceiling Installation Top Vent Appliance PreparationIt Cannot be changed at a later time Basket Rear Vent11 Proper Positioning and Securing of an Appliance Secure and Level the ApplianceAssemble Pipe Sections Install Vent PipeAttach Pipe to the Firebox Assembly Assemble Vent Sections DVP OnlyAssemble Slip Sections Assemble Vent Sections SLP OnlyDisassemble Vent Sections Secure the Vent SectionsInstall Decorative Ceiling Components SLP only Assemble and Install Storm Collar Install Metal Roof FlashingInstall Decorative Wall Components SLP only Install Vertical Termination CapHeat Shield Requirements for Horizontal Termination Failure to maintain overlap may cause overheating and fire Install Horizontal Termination CapOpen Top Shroud may be used with DVP-TV, DVP-TVHW, SLP-TVHW ShroudsHHT Shrouds Field Constructed ShroudsMailbox Style Shroud Dimensions Min. Base Dims Gas Connection Gas InformationFuel Conversion Gas PressureElectrical Information Wiring RequirementsIntellifire Plus Ignition System Wiring Optional Accessories RequirementsRC200 Wiring Diagram Electrical Service and RepairWall Switch Installation for Fan Optional Junction Box InstallationRC200 Remote Control Installation & OperationsInstallation of Remote Control Housing Programming the RC200 to the Control Module Power Outage Finishing Do not Remove Facing MaterialAppliance Setup Place the Lava Rock Clean the Appliance Assemble LogsAccessories Place the RockwoolAir Shutter Setting Replacing Fixed Glass AssemblyRemove Screen Protector Install HoodInstall Control Heat Shield Install the Control Heat ShieldInstall the floor cover as shown in Figure Install Floor CoverHang Screen on Shoulder Screws Close the Screen AssemblyIntellifire Plus Intermittent Ignition System TroubleshootingIntellifire Plus Intermittent Pilot Ignition System Reference Materials Appliance Dimension DiagramDVP45 Vent Components DiagramsDVP-TRAPFL 229 mm DVP-TRAP DVP-HRC-SS SLP Series Vent Components  B. Vent Components DiagramsSL-2DVP SLK-SNKD DVP-FBHT Service Parts Log Set AssemblyPart number list on following At Depot StockedNNXT4236I, NNXT4236IL #15 Valve Assembly #16 Ignition Control AssemblyOptional Components Do not Discard this Manual Contact Information