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naks SW--CK Manual

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Summary of Contents for naks SW-NAKS-CK

  • Page 2: Table Of Contents

    SECTION 3 – PIPE & OTHER FITTINGS Important Notice Fixed Pipe Lengths Maintenance Adjustable Length (AL) Cutting Pipe to Length SW-NAKS-CK Section 9 - SAMPLE SYSTEMS Cutting Pipe to Length DW-NAKS-CK (RC/ZC) Cut Length (18CL & 24CL) Terms & Conditions/WARRANTY...

  • Page 3: Section 1 - General Information

    SECTION 1 – GENERAL INFORMATION IMPORTANT: These instructions must be followed in all details. Failure to do so may result in a hazardous installation. Contact NAKS if there are any questions regarding these instructions. Compliance with local code, acceptance by the local code authority (AHJ) and warranty coverage is contingent upon the NAKS system being installed and maintained in strict accordance with these installation and maintenance instructions.

  • Page 5: Enclosures & Clearances

    0” (0 mm) Where, according to local code, no chase enclosure is required, NAKS Grease Duct may be installed adjacent to a wall of combustible construction at the minimum clearance specified on each pipe section and in the individual Listing as shown in the following tables.

  • Page 6: Horizontal Installation Requirements

    Model double-wall exhaust may also be used. Commercial Cooking Operations Strictly follow NFPA-96 for the termination requirements for Grease Duct and/or kitchen exhaust duct systems. Fig 1-2. Horizontal Termination Requirements Fig 1-4. VERTICAL INSTALLATION Fig 1-3. Horizontal / Through-The-Wall NAKS-INSTALL-CK-2022...

  • Page 7: Pipe Weight

    PIPE WEIGHT The approximate installed weight of the NAKS exhaust systems can be found using Table 1-3. This table does not include accessories such as supports and guides, nor shipping packaging or palletizing weight (See Table 1-3). Table 1-3. Installed Pipe Weight (Lb./ft)
  • Page 8 Each connection has a 2.2” overlap allowing greater stiffness, sealing, and durability. Model SW-NAKS-CK (Fig 1-5) Single wall Model SW-NAKS-CK may be field insulated. Follow NFPA 96 regarding methods of achieving reduced clearances, zero clearances, or fire resistance enclosures for Grease Ducts.
  • Page 9 Joint Assembly – Model SW-NAKS-CK Diameter # of Joints The Model NAKS-CK joint system is designed for a quick and easy installation. See Figs 1-8 to 1-11. 3" - 6" To Assemble: 8" - 10" Clean / prepare the surfaces where sealant is to be applied.
  • Page 10 Joint Assembly – Model DW-NAKS-CK-ZC & DW-NAKS-CK-RC The Model NAKS-CK joint system is designed for a quick and easy installation. See Figs 1-12 to 1-15. To Assemble: Clean / prepare the surfaces where sealant is to be applied. Select correct sealant based on flue gas and application: J-600 Sealant is for Flue Gas temperatures up to 600F for low temperature heating system or Grease Duct.

  • Page 11: Section 2 - Support & Guiding

    Vertical Support Spacing and Limits NAKS-CK Grease Duct must be supported properly. Several support options are available. Refer to Table 2-1 and Fig 2-1 (Dim A) for maximum support height capabilities. For all support options, ensure non-combustible hanger straps (or similar) are secured into joists or other solid structures.

  • Page 12: Horizontal Support Spacing

    Horizontal Support Spacing Horizontal installations of NAKS-CK Grease Duct require guides to maintain proper alignment of the system and lateral support for wind loads. Refer to Table 2-3 and Fig. 2-2 for Horizontal Spacing. Applicable horizontal supports are FAR Full Angle Ring, HAR Half Angle Ring, LSB Light Support Band, and GWB Guy Wires Band.

  • Page 13: Heavy Duty Base

    The installing contractor only provides the channel as Heavy-Duty Base acts as the framework. See Figs 2-6 & 2-7. Hardware for attaching the Plate Support to the HDB Heavy Duty Base is supplied with the base. Fig 2-6. HDB Support for Vertical Fig 2-7. HDB Support for Horizontal NAKS-INSTALL-CK-2022...

  • Page 14: Half Angle Ring

    Fig 2-11. LSB The actual guy wires are by others, the structural engineer should select wire size in accordance with good engineering practice to suit each specific application. See Fig 2-14. Fig 2-12. GWB Fig 2-14. GWB Fig 2-13. GWB NAKS-INSTALL-CK-2022...

  • Page 15: Fixed Pipe Lengths

    Fixed Pipe Lengths (__L) NAKS-CK Grease Duct is available in a variety of fixed pipe lengths (e.g., 12”, 18”, 24”, 30”, 36”, 42”, & 48”). Refer to the catalog for available sizes. Additionally, where required, custom lengths may be ordered. Refer to the corresponding Joint Assembly section for installation instructions.

  • Page 16: Cutting Pipe To Length Sw-Naks-Ck

    Arrow shows direction of flue gas flow, or up direction. SW-NAKS-CK Pipe Cut to Length NOTE: An SW-NAKS-CK Cut Length Band (CLB) is required to complete the joint assembly. Field measure required distance to fill between two pipe ends. Add 4.4” to determine the overall cut pipe length required.
  • Page 17 Inner liner (See Fig 3-13). Cut and remove the Male Inner (See Fig 3-14). Measure & Mark Cut Line Deburr all cut edges Refer to NAKS-CK Joint Assembly section for instructions for to complete the Joint Assembly. Fig 3-11. DW-NAKS-CK-ZC Fig 3-12.

  • Page 18: Cut Length (18Cl & 24Cl)

    Cut Length (18CL & 24CL) Any NAKS-CK Pipe can be cut to length, however, the CL provides the easiest installation method for cutting and accommodating odd lengths in the field. The CL includes an inner flue pipe (18” or 24” long), insulation wrap and a Cut Length Band (CLB).

  • Page 19: Test Port Length (Tpl)

    Standard is one 1” NPT nipple, but any size can be factory installed and in multiple configurations. All ports are continuously welded to the inner pipe. Gaskets or sealant used to connect other equipment and supporting of this equipment is by others. See Fig 3-22. Fig 3-22. TPL 2022 NAKS-INSTALL-CK-...
  • Page 20 Used for two-way entries where a tee cap or access cannot be used due to the application or as a 90° that can have an access cap at the middle. See Fig 4-4. Fig 4-3. 45DT Fig 4-4. 90WT 2022 NAKS-INSTALL-CK-...
  • Page 21 Anchor Plate Support (APS) on the entry and exit sides and then reinforcing with external 2” x 2” x ¼” angle. Use the Heavy-Duty Base (HDB) to minimize field supplied framework. Fig 4-12 Reinforced Fitting NAKS-INSTALL-CK-2022...

  • Page 22: Section 5 - Adapters & Terminations

    Raw Collar Adapter (Inside) (RCI) Connects NAKS-CK Grease Duct to a nominal collar via flashing inside the appliance collar. Has a support clamp around the outside that rigidly holds the adapter in place. Use approved sealant for gas tight connection. See Fig 5-2.

  • Page 23: Fan Plate Adapter

    No-Weld Hood Adapter (NWHA) Connects NAKS-CK Grease Duct to a kitchen exhaust hood without the need for field welding. To Install (See Fig 5-8A & 8B): Using the Lower ring as a template, scribe and cut center hole and pilot holes in Appliance Hood...

  • Page 24: Terminations

    No Screen (N) or With Screen (S). NAKS uses 1” x 1” x 0.059” thick stainless-steel wire mesh for termination screens. The purpose of a screen is to not allow debris or personnel into the exhaust and also used to restrict rodents or birds from entering the exhaust.

  • Page 26: Section 7 - Kitchen Ventilation Systems

    5) Access at the top of a vertical riser to accommodate personnel descent. 6) Where personnel entry is not possible, access at every floor. NAKS-CK Grease Duct has two standard options for access panels in Grease Duct systems. These are no-tool in design and specifically tested and Listed for Grease Duct use.

  • Page 27: Grease Duct Tee (Gt & Gbt)

    Unlatch the outer jacket clips and open the door (hinges are on the opposite side of the clips). Remove the precut insulation blanket. Loosen and remove the wing nuts. Remove the inner door. Access the Grease Duct. Reverse the steps to close the door. Fig 7-3 IAD NAKS-INSTALL-CK-2022...

  • Page 28: Through Penetration Firestop (Tpf)

    Through Penetration Firestop (TPF) The TPF is used to retain a fire rating where (only) model DW-NAKS-CK-ZC passes through a fire-rated floor or wall. See UL Fire Resistance Directory No. R39862. Classified in Accordance With UL-2221. For floor penetration, one TPF is installed on the top the floor. For wall penetration a TPF is to be installed on each side of the wall.

  • Page 29: Final Check

    Maintenance NAKS recommends that the entire system be checked by a qualified inspector at least once a year after the system is placed in service. The installation must conform to the requirements of the appliance manufacturer’s instructions, the National Fuel Gas Code and local codes and regulations.

  • Page 30: Section 9 - Sample Systems

    PART 9 – SAMPLE SYSTEMS Fig 9-1. SAMPLE SYSTEM Commercial Kitchen Exhaust NAKS-INSTALL-2022...
  • Page 31 Fig 9-2. SAMPLE SYSTEM Fast Food NAKS-INSTALL-CK-2022...
  • Page 32 Fig 9-4. SAMPLE SYSTEM Plan View NAKS-INSTALL-CK-2022...
  • Page 33 WARRANTY STATEMENT NAKS-INSTALL-CK-2022...
  • Page 34 2022 NAKS-INSTALL-CK-...
  • Page 35 NAKS-INSTALL-CK-2022...
  • Page 36 NOTES North American Kitchen Solutions, Inc. Elyria, OH 172 Reaser Ct. Elyria, OH 44035 Order toll free: (800) 854-3267 www.naksinc.com NAKS-INSTALL-CK-2022...

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