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FIRETRACE 941009 Installation, Operation And Maintenance Manual

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DESIGN, INSTALLATION, OPERATION, AND
PRE-ENGINEERED AUTOMATIC INDIRECT LOW
PRESSURE CLASS D DRY POWDER SUPPRESSION UNIT
CNC Processing of Reactive Metals
941009 CYLINDER ASSEMBLY, DOT, ILP, CLASS D DRY POWDER, 10LB
942009 CYLINDER ASSEMBLY, DOT, ILP, CLASS D DRY POWDER, 20LB
Document: 800103 (DIOM, ILP, CLASS D DRY POWDER, 195 PSI)
800103-B
MAINTENANCE MANUAL
FOR
Designed for use in:
DOT Systems:
Firetrace International, LLC
8435 N. 90
TH
Scottsdale, AZ 85258 USA
Telephone: 480-607-1218
Website: www.firetrace.com
St, Suite 2
i
04/01/2025

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Summary of Contents for FIRETRACE 941009

  • Page 1 Designed for use in: CNC Processing of Reactive Metals DOT Systems: 941009 CYLINDER ASSEMBLY, DOT, ILP, CLASS D DRY POWDER, 10LB 942009 CYLINDER ASSEMBLY, DOT, ILP, CLASS D DRY POWDER, 20LB Document: 800103 (DIOM, ILP, CLASS D DRY POWDER, 195 PSI) Firetrace International, LLC 8435 N.

  • Page 2: Table Of Contents

    Nozzles (501002, 501003)........................10 3.7.3 Nozzle Blow-off Caps (501011) ......................11 3.7.4 Pressure Switch ............................12 Valve Mounted Pressure Switch (941009-PS, 942009-PS) ................ 12 3.8.1 End of Line Pressure Switch ....................... 13 3.8.2 Pressure Switch Assembly (400441) ....................14 3.8.3 Dual Pressure Switch Module ......................
  • Page 3 Valve Rebuild ............................37 System Recharge ............................ 37 APPENDIX A ................................38 System Parts List ..............................39 Firetrace Class D Dry Powder ILP Automatic Suppression Unit Assemblies ..............40 Cylinder Brackets ..............................40 Accessory Brackets .............................. 40 Discharge Network..............................40 Detection Network ..............................
  • Page 4 Table 7 – Tube Fittings ...............................7 Table 8 – Flexible Hose Part Numbers for 941009/942009 Unit Assembly ...............9 Table 9 – Flexible Hose Fitting Part Numbers for 941009/942009 Unit Assembly ..........10 Table 10 – Nozzle Part Numbers ..........................11 Table 11 –...
  • Page 5 Table 31 – Class D ILP System Assembly ......................39 Table 32 – Firetrace Class D Dry Powder ILP Units ....................40 Table 33 – Firetrace Class D Dry Powder ILP Units w/ Valve Mounted Pressure Switch ........40 Table 34 – Cylinder Brackets ..........................40 Table 35 –...

  • Page 6: Foreword

    This Manual is written for the fire protection professional that designs, installs, and maintains Firetrace Pre-Engineered Automatic Indirect Class D Dry Powder Suppression Units. Firetrace Class D Dry Powder Automatic Indirect Fire Suppression Units are to be designed, installed, inspected, tested, maintained, and recharged by qualified trained personnel in accordance with the following: •...

  • Page 7: Safety Precautions

    5. Follow all of the safety procedures included on the cylinder nameplate and in this Manual. 6. Never assume that a cylinder is empty. Treat all cylinders as if they are fully charged. Any questions concerning the information contained in this Manual should be addressed to: Firetrace International, LLC 8435 N. 90 St, Suite 2...

  • Page 8: Introduction

    INTRODUCTION The Firetrace Indirect Class D Dry Powder Automatic Fire Suppression Unit is designed for CNC cutting areas and collection bins, using Class D Dry Powder. The Firetrace Class D Dry Powder Self-Contained Automatic Suppression Units have been tested to limits from inputs by NFPA 17 and UL/ULC 711 in compliance with the requirements.

  • Page 9: System Description

    942009 - CYLINDER ASSEMBLY, DOT, ILP, M10X1 GAUGE, CLASS D DRY POWDER, 20LB These systems are designed for use in CNC cutting areas and Collection Bins. The Firetrace Indirect Class D Units can be used, but are not limited to protect the following CNC processing workspaces: •...

  • Page 10: Component Descriptions

    2,482 4,964 120020 20 lb 11,077 DOT 4B240 1,655 3,310 Table 2 – Dry Powder Cylinder Specifications 941009 / 942009 Figure 1 – Unit Assembly Agent Dimension "A" Dimension "B" Dimension "C" Unit Assembly Cylinder Part No. Part Number 941009 101200 4.54...

  • Page 11: Cylinder Mounting Bracket (111206, 111020)

    Firetrace detector tubing. The ball valve must be kept closed at all times when the cylinder is not in service.

  • Page 12: Cylinder Valves (302119, 302119-Ps)

    The valve is equipped with a pressure gauge to monitor cylinder pressure and a quarter turn ball valve that interfaces with the Firetrace Detection Tubing. The ball valve must be kept closed at all times when the cylinder is not in service.

  • Page 13: Firetrace Detection/Actuation Tubing

    3.4.1 Firetrace Detection/Actuation Tubing The Firetrace Detection Tubing (FDT) is a UL recognized component per UL standard 521. The Firetrace Detection/Actuation Tubing is used as a combination linear heat detector and unit activation device to cause actuation of the dry powder unit. The tubing is installed throughout the hazard volume, with one end connected to the top of the cylinder valve.

  • Page 14: Firetrace Detection Tubing Fittings

    3.6 Pressure Gauge (400028) The Firetrace Class D pressure gauge is used as part of the cylinder valve pressure gauge, manual release pressure gauge or End of Line mounted pressure gauge. This pressure gauge is supplied with an O-ring installed and has a M10x1 thread to allow for installation where a Schrader core is present.

  • Page 15: Manual Release (600064)

    3.7.1.1 Pipe Requirements Recommended piping to be used for Firetrace ILP Units is copper. Piping shall be in accordance with the local authority having jurisdiction. The 10lb (941009, 941009-PS) and 20lb (942009, 942009-PS) can use either copper discharge piping or the Firetrace supplied flexible discharge ½...

  • Page 16: Pipe Supports

    4 in [10.2 cm]. The 941009 and 942009 unit assemblies use 1/2 in flexible hoses. Refer to Figure 6 – Flexible ½ inch Hoses, and Table 8 - Flexible Hose Part Numbers for 941009 / 942009 Unit Assembly for additional information.

  • Page 17: Flexible Hose Fittings

    Figure 8 – Nozzles. The 942009 unit assemblies use both the CNC Cutting Area nozzle, and Collection Drum nozzle, Figure 8 – Nozzles. The 941009 and 942009 unit assemblies can be designed using a single (only for collection drum), 2 or 4 nozzles. The coverage for each nozzle must not exceed its maximum length and area of coverage. Refer to Section 4 for nozzle coverage information.

  • Page 18: Nozzle Blow-Off Caps (501011)

    Nozzle Blow-off Caps are made of a synthetic rubber copolymer. The Nozzle Blow-off Cap is available for Nozzle PN 501002 and for use with Firetrace ILP Class D Dry Powder Units. The Blow-off Cap is designed to prevent the entrance of moisture, environmental contaminants, or other foreign materials into piping.

  • Page 19: Pressure Switch

    NOTE: All detection devices and auxiliary alarm and control devices must be electrically compatible with each other. They must be approved by the authority having jurisdiction. NOTE: Firetrace recommends that all units be equipped with a pressure switch and connected into a notification or shutdown device, in the event of a discharge.

  • Page 20: End Of Line Pressure Switch

    Pressure Switch Description Part Number 400005 Valve Mounted Pressure Switch Table 12 – Valve Mounted Pressure Switch Part Number Figure 11 –Pressure Switch Wiring Schematic Electrical Rating Temperature Range 28 VDC – 15 A -20 °F to 150 °F NO (1 and 3): NC (1 and 2): [-28.9 °C to 65.6 °C] 120 VAC –...

  • Page 21: Pressure Switch Assembly (400441)

    NOTE: Firetrace recommends that all units be equipped with a pressure switch and connected into a notification or shutdown device, in the event of a discharge. EOL Pressure Switch Assembly (400004) Figure 12 – End of Line Pressure Switch Pressure Switch...

  • Page 22: Dual Pressure Switch Module

    3.8.4 Dual Pressure Switch Module The Dual Pressure Switch Module gives the ability to monitor the health of the Firetrace fire suppression system and deliver a shutdown / notification signal in the event of a system discharge due to fire in a single package solution. The pressure switch module also contains an integrated end-of-line adapter to help simplify the installation process.

  • Page 23: Figure 15 - Harness Pinout Diagram

    For more details on service, maintenance, mounting, and switch configurations for the dual pressure switch module (With and Without Bypass), please refer to the Installation Manual (DIOM P/N: 800095) on our website: www.firetrace.com > Instruction Manuals > Instruction Manuals for System Accessories > Manual for Dual Pressure Switch Module 800103-B...

  • Page 24: Alarm Module - Battery Operated (600096)

    3.9 Alarm Module – Battery Operated (600096) The Firetrace supplied alarm module is powered by a 9V cell (supplied) and requires a closed circuit to activate the alarm function. Firetrace recommends using the pressure switch to supply an open circuit whilst the system is armed and ready for use.

  • Page 25: System Design And Limitations

    SYSTEM DESIGN AND LIMITATIONS 4.1 General The Firetrace series of Class D Dry Powder Self-Contained Automatic Indirect Units’ design limits were established and tested by Firetrace. The Units are designed for protecting CNC equipment processing combustible metals. These units were subjected to numerous performance tests in order to verify their suitability and to establish design limitations for: •...

  • Page 26: Specifications

    4.2 Specifications 4.2.1 Storage and Operating Temperature Range The Firetrace Class D Dry Powder Units and equipment are designed to be stored and operated at the ambient temperature range of 0°F to +130°F (-17.8°C to +54.4°C). 4.2.2 System Operating Pressure The normal operating pressure for the unit is 195 psig at 70°F (13.5 bar at 21°C).

  • Page 27: Hazard Enclosure Limitations

    Determine the routing and quantity of discharge pipe required. The discharge pipe and fitting limitations must not be exceeded. (See Section 4.6) Determine the arrangement and placement of the Firetrace detection tubing. (See Section 4.7) k. Determine any auxiliary equipment requirements, such as a pressure switch(s) to sound alarms, shut-down ventilation, shut-off electrical power, etc.

  • Page 28: Required Amounts Of Agent Per Square Foot

    ) surface area, up to 16 sq. ft. Please refer to Table 22 - Firetrace Class D System Coverage Capacity in Cutting Areas, and Table 21 – Enclosure Size and Nozzle Limitations for the maximum area able to be protected by each system. Nozzles shall be positioned inside CNC Workspace where metal chips may accumulate.

  • Page 29: Nozzle Area Coverage

    CAUTION When fastening the Nozzle to the bulkhead fitting, tighten it using the smaller hex on the nozzle fitting. Do not fasten to bulkhead from the hex on shroud piece, as this may damage the nozzle assembly threads. 4.6.2 Nozzle Area Coverage Nozzle configuration must adhere to placement limitations per Suppression Unit(s) outlined in Table 21 –...

  • Page 30: General Nozzle Area Coverage Limitations (Straight Fitting)

    Side View Top View Figure 21 – Typical Example of a 16���� Enclosure Configuration With Dual 20lb Units Side View Top View = 1 Nozzle Figure 22 – Typical Example of a 2.76���� 55-gal Drum Configuration With Single 20lb Unit 4.6.3 General Nozzle Area Coverage Limitations (Straight Fitting) The following parameters apply when using straight bulkhead fitting and serve as limitations for system design inside...

  • Page 31: General Nozzle Area Coverage Limitations (45° Elbow Fitting)

    Height Powder Per DP Area (DP) Per Unit 9 in 1.35 ���� 12 in 1.44 ���� 10 lb 941009 (4.54 Kg) 24 in 3.47 ���� 36 in 3.99 ���� 9 in 2.7 ���� 12 in 2.88 ���� 20 lb 942009 (9.07 Kg)

  • Page 32: Discharge Piping And Fitting Specifications

    Top View Figure 23 – Nozzle Coverage using a 45° elbow fitting 4.6.5 Discharge Piping and Fitting Specifications All Firetrace ILP Units shall use copper tubing for the Dry Powder distribution system. The following tubing and fittings shall be used Unit...

  • Page 33: Maximum Discharge Piping And Fitting Limitations

    Flareless Bite 1000 psig Use Parker Intru-Lok, Camozzi, or equivalent (1500 PSI in all sizes thru ½”.) Minimum pressure rating for use with Firetrace Class D ILP Units Table 27 – Discharge Fitting Specifications 4.6.6 Maximum Discharge Piping and Fitting Limitations The maximum piping and fitting limitations are shown in Table 23.

  • Page 34: Firetrace Detection/Actuation Tubing

    4.7 Firetrace Detection/Actuation Tubing The location of the Firetrace detection tubing is critical to the response time in the event of a fire. The Firetrace detection tubing should be installed throughout the enclosure and routed in close proximity to all potential fire sources. The Firetrace detection tubing should not be placed horizontally adjacent to a potential fire source.

  • Page 35: Installation Instructions

    INSTALLATION INSTRUCTIONS This section provides installation instructions covering components and limitations described in Section 3 and Section 4 of this Manual. All components should be installed to facilitate proper inspection, testing, recharging, and any other required service or maintenance as may be necessary. Equipment must not be subjected to severe weather conditions or mechanical, chemical, or other damage which could render the equipment inoperative.

  • Page 36: Discharge Piping And Nozzles

    3. Determine where metal chips may accumulate inside CNC Workspace. 4. Remove one or two safety plugs from the valve discharge ports as required. Attach male connection fittings (Firetrace P/N 310300 or P/N 310301 as applicable) into each discharge port.

  • Page 37: Discharge Line Tees

    Figure 26 – Illustrations of Acceptable Means of Piping Into a Tee in a Dry Powder System 5.5 Firetrace Detection/Actuation Tubing Location and spacing of the tubing is critical to the response time in the event of a fire. The tubing should be placed above the hazard areas being protected.

  • Page 38: Detection Tubing Fittings And Accessories

    Do not kink, bend, or crush Firetrace tubing in order to prevent leakage which could result in accidental unit discharge. Do not install tubing in a hazardous environment where the maximum ambient temperature exceeds 176°F (80°C) Maximum length of detection tubing shall not exceed 120 Feet (36.58 m).

  • Page 39: Figure 27 - Firetrace Nitrogen Charge Kit 600213

    Locate the pressure gauge on the FDT network and monitor the pressure for a minimum of 20 minutes, if no pressure drop is noted, proceed with the commissioning of the system. If a decrease in pressure is noted, repeat the FDT leakage check using a leak indicator solution. Figure 27 – Firetrace Nitrogen Charge Kit 600213 800103-B 04/01/2025...

  • Page 40: System Activation

    Fill Kit for on-site use. 5. Remove the filling adapter and thread the pressure gauge & 0-ring (Firetrace P/N 400013) into its place to verify that the tubing is pressurized to at least 195 psig at 70°F (13.5 bar at 21°C) (pressure may have to be adjusted for temperatures higher or lower than 70°F).

  • Page 41: Service And Maintenance Instructions

    For any deficiencies that are found, appropriate corrective actions shall be taken immediately. 6.2 Recharge Agents 6.2.1 Dry Powder Only Class D Dry Powder provided by Firetrace may be used in any Firetrace Dry Powder Self-Contained Automatic Indirect Fire Suppression Unit. 6.2.2 Argon Helium 90:10 Argon Helium 90:10 mixture is used to pressurize Class D Dry Powder Self-Contained Automatic Indirect Fire Suppression Unit.

  • Page 42: Periodic Service And Maintenance Procedures

    Remove the nozzle(s) and inspect for obstructions. Reinstall the nozzles. 6.3.3 Six Year Inspection Examination of the Dry Powder shall be conducted at an Authorized Firetrace Service Location at least once every 6 years. The powder will be examined for caking and may require replacement.

  • Page 43: Hydrostatic Testing

    • Carefully depressurize the system following the procedures in Section 7.1. Discard the Dry Powder. Firetrace Dry Powder Suppression units with DOT cylinders are built to DOT-4B specifications and therefore fell under DOT CFR Title 49. DOT-4B Firetrace Dry Powder containers requiring retest must be hydrostatically tested in accordance with DOT CFR Title 49, General requirements for requalification of specification cylinders section &...

  • Page 44: Depressurizing The Unit

    7.1 Depressurizing the Unit 1. Turn the ball valve lever to the “off” position (perpendicular to the valve). 2. Depressurize the detection/actuation tubing by depressing the Schrader valve inside of the End of Line Adapter. 3. Remove the detection/actuation tubing from the top of the ball valve. 4.
  • Page 45 APPENDIX A System Parts List Discharge Line Parts List Detection Line Parts List 800103-B 04/01/2025...

  • Page 46: System Parts List

    System Parts List 10, & 20 LB. AUTOMATIC INDIRECT CLASS D DRY POWDER SUPPRESSION UNIT MODELS 941009 - 10 LB. CLASS D DRY POWDER ILP 942009 - 20 LB. CLASS D DRY POWDER ILP PART ITEM DESCRIPTION SYSTEM Medium Dry Chemical ILP 300119 10, 20 LB.

  • Page 47: Firetrace Class D Dry Powder Ilp Automatic Suppression Unit Assemblies

    Large Class D Dry Powder ILP Suppression Unit with Pressure Switch (10 lb) 942009-PS Extra Large Class D Dry Powder ILP Suppression Unit with Pressure Switch (20 lb) Table 33 – Firetrace Class D Dry Powder ILP Units w/ Valve Mounted Pressure Switch Cylinder Brackets Part Number...

  • Page 48: Detection Network

    Table 38 – Nozzles Detection Network Part Number Description 204025 Firetrace Detection Tubing, 4/6 mm, 25 ft [7.6 m] 204050 Firetrace Detection Tubing, 4/6 mm, 50 ft [15.2 m] 204100 Firetrace Detection Tubing, 4/6 mm, 100 ft [30.4 m] 204328...

  • Page 49: Miscellaneous

    Part Number Description 200168 End of Line Adapter w/ Tube Union, 4/6 mm 400028 Pressure Gauge w/ O-Ring, 195 psig 310303 End of Line Adapter Plug 400004 End of Line Pressure Switch 600064 Manual Release w/ 195 psig Gauge and Tube Union, 4/6 mm Table 41 –...

  • Page 50: Table 44 - Installation Tools

    Part Number Description 600213 Tools, Detection Tube Nitrogen Charge Kit 600214 Tools, Replacement Cylinder for Nitrogen Charge Kit 910550 Nitrogen Regulator, 210psi 910600 Nitrogen Charge Adapter, EOL 900007 Tools, Charging Adapter, Use Your Own Nitrogen 300246 Tools, ILP Valve Rebuild Kit, Small DOT Valves 300248 Tools, ILP Valve Rebuild Kit, Medium DOT Valves Table 44 –...
  • Page 51 APPENDIX B • Technical Bulletin 030 • Technical Bulletin 009 o Dry Chemical Valve o Rebuild Procedures • Firetrace Detection Tubing Compatibility Additional Dry Chemical Maintenance Recommendations • Typical Tubing Placement • Tamp Proof Options 800103-B 04/01/2025...

  • Page 52: Technical Bulletin 030

    Technical Bulletin 030 800103-B 04/01/2025...

  • Page 53: Technical Bulletin 009

    Technical Bulletin 009 800103-B 04/01/2025...

  • Page 54: Firetrace Detection Tubing Compatibility

    Firetrace Detection Tubing Compatibility Results of chemical testing of Firetrace Detection Tubing undertake by Oxford University. Solvent Vapor Liquid Ether No Action Loss of black type/slightly harder No Action Loss of black type/slightly harder Toluene No Action Slightly harder Ethyl Acetate...

  • Page 55: Typical Tubing Placement

    Typical Tubing Placement Figure 28 – Tubing Placement Example Figure 29 – Tubing Placement in CNC Cutting Area Example 800103-B 04/01/2025...

  • Page 56: Tamper Proof (Disarmed) Instruction (P/N 201137)

    Tamper Proof Instruction • Tamper Proof Instructions • Firetrace Detection Tube Compatibility Tamper Proof (Disarmed) Instruction (P/N 201137) Figure 30 – Tamper Proof (Disarmed) Assembly 1. Verify that the ball lever is in the “OFF” position 2. Remove the lever 3.

  • Page 57: Safety Data Sheets

    APPENDIX C • SAFETY DATA SHEETS • Class D Dry Powder • Argon/Helium – 90:10 800103-B 04/01/2025...

  • Page 58: Class D Dry Powder Sds

    Class D Dry Powder SDS 800103-B 04/01/2025...
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  • Page 69: Propellant Sds

    Propellant SDS 800103-B 04/01/2025...
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This manual is also suitable for:

942009