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UNITED Nitrogen Pac SC-W Installation, Commissioning Maintenance

Sprinkler corrosion inhibiting system
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M O D E L S C – W
INSTALLATION, COMMISSIONING,
AND MAINTENANCE MANUAL
SERIAL NUMBER: ___________________________________________________________
DATE OF INSTALLATION: ____________
UNITED
Fire Systems
Division of UNITED Fire Protection Corporation
1 Mark Road
Kenilworth, NJ USA 07033
908-688-0300
Unitedfiresystems.com
DATE OF COMMISSIONING: ____________
Manual Part Number 30-NPWICM-000
Revision 1.01
Mar 2021

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Summary of Contents for UNITED Nitrogen Pac SC-W

  • Page 1 INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL SERIAL NUMBER: ___________________________________________________________ DATE OF INSTALLATION: ____________ DATE OF COMMISSIONING: ____________ UNITED Fire Systems Division of UNITED Fire Protection Corporation 1 Mark Road Kenilworth, NJ USA 07033 Manual Part Number 30-NPWICM-000 908-688-0300 Revision 1.01 Unitedfiresystems.com...
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  • Page 3: Table Of Contents

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 INDEX Section Description Page INDEX List Of Figures List Of Tables List Of Abbreviations Safety Information Foreword GENERAL INFORMATION Glossary System Purpose Functional Description Model SC-W Assembly –...
  • Page 4 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 EQUIPMENT SELECTION (continued) 2.6.12 Nitrogen Purging and Sensing 2.6.12 (a) Purge Vent Assembly (Model PVA) Hand-Held Nitrogen Purity Analyzer – Model NA-2 2.5.12 (b)
  • Page 5 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 MAINTENANCE Monthly Inspection 5.1.1 Objective 5.1.2 Personnel 5.1.3 Instructions Specific Procedures – Monthly Inspection 5.2.1 Use of Model NA-2 N Purity Analyzer to Measure Nitrogen Purity at Model SC-W Assembly Inspection of Enclosure Inlet Filter Element –...
  • Page 6 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 LIST OF FIGURES Figure Description Page SECTION 1 – GENERAL INFORMATION Functional Description and General Arrangement Model SC-W Assembly – Internal Arrangement Model SC-W Assembly –...
  • Page 7 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 LIST OF TABLES Table Description Page SECTION 2 – EQUIPMENT SELECTION Information To Be Obtained During Survey Maximum Limits - NITROGEN-PAC™ Model SC-W Assembly...

  • Page 8: List Of Abbreviations

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 LIST OF ABBREVIATIONS The following is an explanation of abbreviations used in this manual. MEASUREMENT UNITS ABBREVIATION UNIT PARAMETER BEING MEASURED...

  • Page 9: Safety Information

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 SAFETY INFORMATION This manual contains safety information that is important to know and understand. This information is provided for the safety of installers, operators, and users of the...
  • Page 10 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 IMPORTANT NOTICES TO INSTALLERS AND USERS This manual must be read thoroughly and completely understood before installation and operation of UNITED...
  • Page 11 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 FOREWORD This manual is written for those who install, operate and maintain UNITED Fire Systems NITROGEN-PAC™ Model SC- W sprinkler corrosion inhibiting systems. The manual contains installation, operation, and maintenance information for these assemblies.

  • Page 12: General Information

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 1. GENERAL INFORMATION 1.1. GLOSSARY. All glossary terms are defined in reference to their use in this manual. Refer to this glossary for definitions of unfamiliar terms encountered when reading and using this manual.

  • Page 13: System Purpose

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 1.2. SYSTEM PURPOSE. The FM Approved UNITED Fire Systems NITROGEN-PAC™ Model SC-W Sprinkler Corrosion Inhibiting System is a fully integrated nitrogen generating system designed to introduce high-purity nitrogen into preaction or dry sprinkler piping.
  • Page 14 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 1.3. FUNCTIONAL DESCRIPTION. Refer to Figure 1. Model SC-W Assembly. This assembly generates either 98% pure nitrogen for protection or air for initial-fill of the sprinkler piping Outlet Hose.

  • Page 15: Functional Description

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Figure 1 Functional Description and General Arrangement PURGE VENT ASSEMBLY (MODEL PVA-2) SPRINKLER PIPING FLEXIBLE TUBING TRUE ADVANCED PURGE™ (MODEL TAP-G3)
  • Page 16 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 1.4. Model SC-W Assembly – Internal Arrangement. Refer to Figure 2. Air Compressor. The air compressor supplies compressed air for either nitrogen separation or sprinkler system initial fill, depending on the position of the Bypass Valve.

  • Page 17: Model Sc-W Assembly - Internal Arrangement

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Cooling Fan. The cooling fan draws air through the cabinet, keeping the air compressor cool. Enclosure Vent. The enclosure vent permits exhaust of compressor cooling air and oxygen from the nitrogen separator membrane.

  • Page 18: Outlet Connection

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 1.5. Model SC-W Assembly – External Arrangement. Refer to Figure 3. 1.5.1. Connections. AC Power Raceway Connection Point. This is the location where raceway is attached to the Model SC-W enclosure for the three (3) conductors carrying 115 VAC 60 Hz single-phase device power.
  • Page 19 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Figure 3 Model SC-W Assembly – External Arrangement BYPASS POWER CONNECTION VISUAL INDICATOR POINT POWER ON MOUNTING TABS VISUAL INDICATOR ALTERNATE POWER...
  • Page 20 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 1.6. Nitrogen Receiver, 5 Gallon, Wall-Mount or Riser-Mount – Model NR-5. Refer to Figure 4. The Model NR-5 Wall-Mount or Riser-Mount 5 Gallon Nitrogen Receiver is a steel tank for receiving and storing nitrogen from the Model SC-W assembly, and minimizes the Model SC-W assembly compressor runtime by providing a reservoir of nitrogen for the sprinkler system.
  • Page 21 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 1.7. Nitrogen Receiver, 10 Gallon, Floor-Mount, Vertical – Model NR-10. Refer to Figure 5. The Model NR-10 Floor- Mount 10 Gallon Nitrogen Receiver is a steel tank for receiving and storing nitrogen from the Model SC-W assembly, and minimizes the Model SC-W assembly compressor runtime by providing a reservoir of nitrogen for the sprinkler system.

  • Page 22: Nitrogen / Air Maintenance Device - Model Namd-1

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 1.8. Nitrogen / Air Maintenance Device – Model NAMD-1. Refer to Figure 6. The FM Approved Model NAMD-1 Nitrogen / Air Maintenance Device is designed for controlling the nitrogen and / or air pressure from the Model SC-W assembly into the sprinkler piping.

  • Page 23: Purge Vent Assembly - Model Pva-4 (For Manual Purging)

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 1.9 Purge Vent Assemblies. Purge vent assemblies purge gas from the interior of the sprinkler pipe, allowing the Model SC-W assembly to replace air with 98% pure nitrogen. This assembly should be connected to the sprinkler piping at a high point in the vicinity of the inspector's test connection.
  • Page 24 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 1.9.2 Purge Vent Assembly – Model PVA-2 (for TRUE ADVANCED PURGE™ Device). Refer to Figure 8. The Model PVA-2 Purge Vent Assembly serves as the connection point for flexible tubing that directs gas from the inside of the...

  • Page 25: Purity Analyzer - Hand-Held - Model

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Purity Analyzer, Hand-Held – Model NA-2. Refer to Figure 9. The Model NA-2 hand-held N 1.10. N purity analyzer is designed to permit manual verification of the N...

  • Page 26: Optional) True Advanced Purge (Tap) Device Model Tap-G3

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 1.11. (Optional) TRUE ADVANCED PURGE (TAP) Device – Model TAP-G3. Refer to Figure 10. The Model TAP-G3 device is designed to automatically control the purging of air from the interior of the sprinkler piping. The device is...

  • Page 27: Optional) Corrosion Monitor Assembly - Model Cma-1

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 1.12. (Optional) Corrosion Monitor Assembly – Model CMA-1. Refer to Figure 11. The Model CMA-1 Corrosion Monitor Assembly is designed to monitor for possible corrosion inside the sprinkler piping. The assembly consists of a corrosion probe in a chamber, a pressure switch, an isolation valve, and a drain valve.

  • Page 28: Basis For Equipment Selection

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 2. EQUIPMENT SELECTION 2.1 Introduction. This section outlines the steps to determine when the UNITED Fire Systems NITROGEN-PAC™ Model SC-W sprinkler corrosion inhibiting system capacity is sufficient for the sprinkler system. If the required needs exceed the capacity of the Model SC-W assembly, an alternate NITROGEN-PAC™...
  • Page 29 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Table 1 Information To Be Obtained During Survey (Continued) Item No. Item Result Is the nitrogen system If YES, then the Model SC-W compressor must supply enough air for required to provide initial-fill BOTH initial-fill and nitrogen generation for all risers.

  • Page 30: System Arrangements

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 2.5 System Arrangements. Either of two system arrangements may be used. 2.5.1 Type I Arrangement. Refer to Figure 12. Type I arrangements use the compressor built-in to the Model SC-W assembly for nitrogen generation as well as for 30-minute initial-fill as required by NFPA 13, and have no additional external compressor.

  • Page 31: Type Ii Arrangement

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 2.5.2 Type II Arrangement. Refer to Figure 13. Type II arrangements use an additional external air compressor to provide 30-minute initial air fill and also can provide a backup pressure source to avoid inadvertent tripping of dry-pipe systems in the event of excessive leakage or nitrogen system failure.

  • Page 32: Maximum Number Of Risers

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 2.6 Ensuring NITROGEN-PAC™ Model SC-W is Appropriate for the Sprinkler System in Use. Refer to Table 2. The Model SC-W assembly must meet or exceed all applicable limits determined by the survey.

  • Page 33: Maximum Volume Of Single Largest Riser

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 (d) As is typical for existing systems, layout drawings and hydraulic calculations may not be available. The last remaining alternative is to do a field survey of all system piping, by size and length.

  • Page 34: Purge Vent Assemblies

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 2.6.9. Are Sprinkler Systems Equipped with Quick-Opening Devices (Dry Accelerators)? Dry accelerators are used on some sprinkler systems to ensure that water is delivered to the farthest sprinkler head in an acceptable period of time.

  • Page 35: Equipment Selection

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 (c) (Optional) TRUE ADVANCED PURGE (TAP) Device – Model TAP-G3. 1. TAP Device. The TRUE ADVANCED PURGE (TAP) Device automatically measures the nitrogen purity in the sprinkler piping, and also automatically controls the required purge cycle.
  • Page 36 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 EXAMPLE 2.7.2 RISER 1 Nominal Pipe Size Pipe Schedule Gallons Per Foot Length Gallons Rounded 4” 0.741 444.6 2-1/2” 0.284 42.6 3/4”...
  • Page 37 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 EXAMPLE 2.7.3 RISER 1 Nominal Pipe Size Pipe Schedule Gallons Per Foot Length Gallons Rounded 6” 1.649 412.3 2-1/2” 0.284 73.9 3/4”...

  • Page 38: Nitrogen Receiver

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Figure 14 Model SC-W with Model NR-5 Wall-Mount MODEL NAMD-1 (WALL MOUNTED) MODEL NR-5 PRESSURE MAINTENANCE DEVICE(S) NITROGEN RECEIVER CHECK VALVES...
  • Page 39 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Figure 15 Model SC-W with Model NR-5 Riser-Mount MODEL NAMD-1 (RISER MOUNTED) MODEL NR-5 PRESSURE MAINTENANCE DEVICE(S) NITROGEN RECEIVER CHECK VALVES...
  • Page 40 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Figure 16 Model SC-W with Model NR-10 Floor-Mount MODEL NAMD-1 PRESSURE MAINTENANCE DEVICE(S) MODEL SC-W CHECK VALVES NITROGEN GENERATOR OR (2)
  • Page 41 UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 INSTALLATION IMPORTANT The installation of the NITROGEN-PAC™ Model SC-W Sprinkler Corrosion Inhibiting System MUST be in accordance with this manual. Read this manual in its entirety BEFORE beginning installation of the NITROGEN-PAC™ Model SC- W system.

  • Page 42: General Installation Information

    UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.1 General Installation Information. 3.1.1 Unpacking. Check shipment of the UNITED Fire Systems Model SC-W equipment and packaging for damage. If there is any damage or missing parts, the transportation company's agent should make a notation to the effect on the Bill of Lading.
  • Page 43 UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.2.2. Mounting. The Model SC-W assembly may be wall-mounted with or without strut channel. Strut channel is highly recommended for mounting on sheetrock or similar surfaces, to permit secure attachment to wall studs. Refer to Figure 17 for mounting tab hole and other dimensions.
  • Page 44 UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Figure 18 Strut Channel Mounting - Model SC-W Assembly 44” STRUT CHANNEL 26” MIN (recommended) NOTES:  Mounting Tab hole diameter = 0.44”...

  • Page 45: N 2 Purity Analyzer Connection

    UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.2.3. N Purity Analyzer Connection. Refer to Figure 19. Figure 19 Purity Analyzer Connection SEE (a) BELOW SEE (c) BELOW SEE (b) BELOW (a) Remove and discard plastic plug from Model SC-W assembly N purity analyzer connection port.
  • Page 46 UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.2.4. Outlet Connection. Refer to Figure 20. Figure 20 Outlet Connection SEE (a) BELOW SEE (b) BELOW SEE (c) BELOW SEE (d) BELOW (a) Remove and discard plastic plug from Model SC-W assembly outlet port.

  • Page 47: Electrical Connections

    UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.2.5 Drain Connection. IMPORTANT Local regulations may require the installation of an oil / water separator in condensate drain piping. Verify local requirements before completing installation.
  • Page 48 UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 IMPORTANT It is IMPORTANT that wire of sufficient size be installed for the 120 VAC 60 Hz single-phase power supplying the Model SC-W assembly. Use Table 6 to determine the minimum wire gauge to use. Failure to install wire of adequate size as shown in Table 6 will result in compressor motor overheat and shutdown.

  • Page 49: Using Top Entry Raceway Attachment Point

    UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Figure 21 Using Top Entry Raceway Attachment Point 120 VAC 60 HZ SINGLE-PHASE (BY INSTALLER) ELECTRICAL ENCLOSURE GROUND INSIDE MODEL SC-W ASSEMBLY...

  • Page 50: Using Left-Side Raceway Attachment Point

    UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.2.6.3 Using Left-Side Raceway Attachment Point. Refer to Figure 22. DANGER Before removing the cover of the electrical enclosure inside of the Model SC-W assembly,...

  • Page 51: Piping Requirements

    UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.3. Piping Requirements. All piping should be Sch. 40 black steel. All fittings should be Class 150 black threaded. Galvanized pipe is not recommended. All pipe should be securely fastened in a workmanlike manner. Limit the pipe lengths between the Model SC-W assembly and the sprinkler valve(s) to those in Table 7.

  • Page 52: Model Nr-5 Nitrogen Receiver

    UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.4. Model NR-5 Nitrogen Receiver. The Model NR-5 nitrogen receiver may be mounted on a wall or on the sprinkler riser. The device must be mounted vertically, with the inlet at the top and the drain valve at the bottom, to facilitate drainage.

  • Page 53: Wall Mounting With Or Without Strut Channel

    UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.4.1. Wall-Mounting With or Without Strut Channel. The Model NR-5 Nitrogen Receiver may be wall-mounted with or without strut channel. It is recommended that strut channel be used on sheetrock surfaces, to spread the load and ensure that mounting hardware is inserted into wall studs.
  • Page 54 UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.4.2. Riser-Mounting. Refer to Figure 25. The Model NR-5 Nitrogen Receiver may be mounted directly on the sprinkler riser. Figure 25 Riser-Mounting...

  • Page 55: Inlet, Outlet, And Drain Connections

    UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.4.3. Inlet, Outlet, and Drain Connections. Refer to Figure 26. The Model NR-5 Nitrogen Receiver inlet is at the TOP of the device, and the outlet is on the SIDE of the device. The drain valve is on the BOTTOM of the device.

  • Page 56: Model Nr-10 Nitrogen Receiver

    UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.5. Model NR-10 Nitrogen Receiver. Refer to Figure 27. The Model NR-10 nitrogen receiver is to be mounted on the floor. The device must be mounted vertically, with the inlet at the top and the drain valve at the bottom, to facilitate drainage.

  • Page 57: Inlet, Outlet, And Drain Connections

    UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.5.2. Inlet, Outlet, and Drain Connections. Refer to Figure 29. (a) The inlet can receive the 1/2 NPT male end of the outlet hose, or 1/2” pipe may be used to connect the 1/2 NPT male end of the outlet hose to the inlet.

  • Page 58: Nitrogen / Air Maintenance Device - Model Namd-1

    UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.6. Nitrogen / Air Maintenance Device – Model NAMD-1. Refer to Appendix A for information on the use of this device. IMPORTANT A Pressure Maintenance Device MUST be used between the outlet of the nitrogen receiver and the sprinkler valve.

  • Page 59: Connection To Horizontal Piping

    UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Figure 30 Purge Vent Assembly Model PVA - Dimensions and Installation in Vertical Piping 3.7.4 Connection to Horizontal Piping. Refer to Figure 30. Confirm that sprinkler piping system is NOT pressurized.
  • Page 60 UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Figure 31 Purge Vent Assembly Model PVA - Installation in Horizontal Piping 3.8. Nitrogen Purity Analyzer – Hand-Held Model NA-2. (a) Unpack pre-assembled analyzer and connection hose assembly.

  • Page 61: (Optional) Corrosion Monitor Assembly - Model Cma-1

    UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.10. (Optional) Corrosion Monitor Assembly Model CMA-1. Refer to Figure 32. Proper Model CMA-1 installation is based on the orientation of the pipe at the intended installation location. The Model CMA-1 can be installed horizontally in a vertical riser or branch line;...
  • Page 62 UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Figure 32 Installation – Corrosion Monitor Assembly Model CMA-1...
  • Page 63 UNITED FIRE SYSTEMS NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 3.10.4. Electrical Connection. Refer to Figure 33. DANGER Failure to follow ELECTRICAL CONNECTION instructions correctly can result in ELECTROCUTION! Figure 33 Electrical Connection Corrosion Monitor Assembly Model CMA-1 (a) Remove cover by removing tamper resistant screw.
  • Page 64 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 COMMISSIONING . The process of system commissioning is important for achieving satisfactory results. DANGER The Model SC-W assembly must be installed in an adequately ventilated area. The device creates a 30% to 40% oxygen stream which may pose a flammability problem in an oxygen-sensitive environment.
  • Page 65 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000  UNITED Fire Systems recommends that the technician performing the commissioning become thoroughly familiar with this entire manual, as well as the actual installation, before beginning the process.
  • Page 66 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Figure 35 Bypass Valve and Indicator Operation BYPASS VISUAL INDICATOR – OFF VALVE BYPASS VALVE HANDLE FACING NORMAL CONDITION (SUPPLYING NITROGEN) BYPASS VISUAL INDICATOR –...
  • Page 67 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Figure 36 External Indicators and Controls BYPASS VISUAL INDICATOR SYSTEM POWER VISUAL INDICATOR POWER SWITCH...

  • Page 68: Preliminary

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Figure 37 Packaging Material – Air Compressor PACKAGING MATERIAL BEHIND AIR COMPRESSOR REMOVE BEFORE STARTUP! 4.1. PRELIMINARY. Step Procedure Prepare copy of Commissioning Worksheet / Checklist (Appendix C) for use during procedure.

  • Page 69: Indicators

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 4.2. STARTUP. Step Procedure Startup 1 Operate panelboard circuit breaker to ON. Operate POWER switch to ON. GREEN power indicator will illuminate, and air compressor Startup 2 should start.
  • Page 70 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 4.3.2. 30 MINUTE INITIAL FILL (TYPE II SYSTEM) (Continued). Step Procedure OPEN inlet valve on one (1) Model NAMD-1 at sprinkler valve. NAMD-1 pressure gauge should Initial Fill 6 indicate pressure.
  • Page 71 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 4.4. PURGING (Continued). Step Procedure With SC-W compressor running, attach Model NA-2 to N Purity Test Port on exterior of Model Purge 8 SC-W assembly.
  • Page 72 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 Table 11 Quick-Reference Valve Position Table FILTER PURITY AT PURITY VALVE NORMAL BYPASS PURGE DRAIN SERVICE TEST PORT AT PVAs MODEL SC-W VALVES...
  • Page 73 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 – P/N 30-NPWICM-000 5. MAINTENANCE CAUTION DO NOT attempt to perform service on filter elements while the Model SC-W assembly is pressurized! Gauge MUST read zero (0) PSIG BEFORE attempting to remove filter bowls. Failure to do so can result in serious personal...
  • Page 74 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 – P/N 30-NPWICM-000 Figure 38 Model SC-W Assembly – Components BYPASS BEACON ON / OFF SELECTOR SWITCH SEPARATOR MEMBRANE PRESSURE GAUGES A & B...

  • Page 75: Specific Procedures - Monthly Inspection

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 – P/N 30-NPWICM-000 5.1. Monthly Inspection. 5.1.1. Objective. Monthly inspection helps assure that the Model SC-W system continues to be in good working order.

  • Page 76: Specific Procedures - Annual Maintenance

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 – P/N 30-NPWICM-000 5.3 Annual Maintenance. 5.3.1 Objective. Annual maintenance helps keep the Model SC-W system in satisfactory condition. This maintenance involves testing various components of the system, as well as replacement of key elements.
  • Page 77 UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 – P/N 30-NPWICM-000 5.4.4 Replacement of Coalescing and Particulate Filter Elements in Model SC-W Assembly (Refer to Appendix F and Figure 38). (a) Close Valve 2.

  • Page 78: Drainage Of Accumulated Water At Model Pva Purge Vent Assembly

    UNITED FIRE SYSTEMS - NITROGEN-PAC™ MODEL SC-W INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 – P/N 30-NPWICM-000 IMPORTANT To prevent inadvertent operation of sprinkler valve or actuation of low air signal, ALWAYS close Model PVA ball valve BEFORE removing drain plug or strainer retainer.
  • Page 79 UNITED FIRE SYSTEMS - NITROGEN-PAC™ SC-W SERIES INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 6. TROUBLESHOOTING IMPORTANT All troubleshooting is to be performed by qualified personnel. Be aware of pressurized system components as some of the troubleshooting procedures require system components to be pressurized.
  • Page 80 UNITED FIRE SYSTEMS - NITROGEN-PAC™ SC-W SERIES INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000 MANUAL SYMPTOM INDICATION(S) PROBLEM SOLUTION REFERENCE Compressor intake Replace intake filter 5.4.1 filter is clogged Particulate and / or Replace filter coalescing filters are 5.4.4...
  • Page 81 Model NA-2 Nitrogen Analyzer Hand-Held OPERATING MANUAL & INSTRUCTIONS FOR USE R218M06 Industrial Page 1 of 6...
  • Page 82 WARNINGS: Indicate potentially hazardous situations, which if not avoided, could result in death, serious injury, or property damage.  Before use, all individuals who will be using the N analyzer must become thoroughly familiar with the information contained in this manual. ...
  • Page 83 ANALYZER FEATURES AND FUNCTIONS LCD Display: A 3-digit display provides a direct readout of nitrogen concentration in the range of 0 - 99.9%. The display is blank when the N Analyzer enters its sleep (power off) mode. The N Analyzer will automatically enter the sleep mode after 2 minutes from the last time the analyzer was energized.
  • Page 84 CAL Err lo/hi: Sensor voltage too low/high: Press and hold the Calibration button for three seconds to manually force a new calibration. If unit repeats this error more than three times, contact UNITED Fire Systems for possible sensor replacement.
  • Page 85 7. STORAGE: Store the N analyzer in a temperature similar to its ambient environment of daily use. The instructions given below describe the methods to clean the instrument, sensor and its accessories: 8. CLEANING Instrument: When cleaning or disinfecting the exterior of the N2 analyzer, take appropriate care to prevent any solution from entering the instrument.
  • Page 86 10. SPECIFICATIONS Sensor Type: Galvanic fuel cell Measurement Range: 0-99.9% Nitrogen Resolution/Display: 0.1%. The three digit LCD indicates values between 0.0 - 99.9% oxygen. Over range indicated by one decimal point on display located after the first digit. Accuracy and Linearity: ± 1% of full scale at constant temperature, R.H. and pressure when calibrated at full scale.
  • Page 87 The product must be properly applied to perform as Division of United Fire Protection Corporation intended. The information in this document is believed to be correct at the time of publication. UNITED Fire 1 MARK ROAD Systems reserves the right to add to, delete, or revise any information in this document without notice.
  • Page 88 The product must be properly applied to perform as Division of United Fire Protection Corporation intended. The information in this document is believed to be correct at the time of publication. UNITED Fire 1 MARK ROAD Systems reserves the right to add to, delete, or revise any information in this document without notice.
  • Page 89 The product must be properly applied to perform as Division of United Fire Protection Corporation intended. The information in this document is believed to be correct at the time of publication. UNITED Fire 1 MARK ROAD Systems reserves the right to add to, delete, or revise any information in this document without notice.
  • Page 90 The product must be properly applied to perform as Division of United Fire Protection Corporation intended. The information in this document is believed to be correct at the time of publication. UNITED Fire 1 MARK ROAD Systems reserves the right to add to, delete, or revise any information in this document without notice.
  • Page 91 APPENDIX C - SC-W MANUAL COMMISSIONING WORKSHEET AND CHECKLIST NITROGEN-PAC™ MODEL SC-W SYSTEM UFS-622 REVISION 2.00 – PAGE 1 OF 4 DATE LOCATION INFORMATION User Address 1 Address 2 City, State, Zip System SPRINKLER SYSTEM INFORMATION Riser #1 Riser #2 System Type (I or II) System Type (I or II) Volume in Gallons...

  • Page 92: Minute Initial Fill (Type I System)

    APPENDIX C - SC-W MANUAL COMMISSIONING WORKSHEET AND CHECKLIST NITROGEN-PAC™ MODEL SC-W SYSTEM UFS-622 REVISION 2.00 – PAGE 2 OF 4 30 MINUTE INITIAL FILL (TYPE I SYSTEM) NOT OK Has Valve been moved to the BYPASS position (handle facing LEFT), and is the bypass visual indicator flashing? Has an inlet valve on one (1) Model NAMD-1 been OPENED, and is the NAMD-1 pressure gauge indicating...

  • Page 93: Purging

    APPENDIX C - SC-W MANUAL COMMISSIONING WORKSHEET AND CHECKLIST NITROGEN-PAC™ MODEL SC-W SYSTEM UFS-622 REVISION 2.00 – PAGE 3 OF 4 PURGING NOT OK Has Valve 1 been returned to the NORMAL position (handle facing UP), and is the bypass visual indicator OFF? Has the bypass valve on a Model NAMD-1 been CLOSED, and the inlet and outlet valves OPENED? Has the valve on one (1) Model PVA been OPENED?
  • Page 94 APPENDIX C - SC-W MANUAL COMMISSIONING WORKSHEET AND CHECKLIST NITROGEN-PAC™ MODEL SC-W SYSTEM UFS-622 REVISION 2.00 – PAGE4 OF 4 FINAL ACCEPTANCE SIGNATURES PRINT NAME SIGNATURE DATE CUSTOMER INSTALLING CONTRACTOR QUICK REFERENCE VALVE POSITION TABLE FILTER PURITY AT TEST PURITY AT VALVE NORMAL INITIAL FILL...

  • Page 95: Model Sc-W Assembly

    APPENDIX D - SC-W MANUAL MONTHLY INSPECTION CHECKLIST NITROGEN-PAC™ MODEL SC-W SYSTEM UFS-623 REVISION 2.00 – PAGE 1 OF 3 DATE USER ADDRESS 1 ADDRESS 2 CITY, STATE, ZIP MODEL SC-W ASSEMBLY SERIAL NUMBER TRUE ADVANCED PURGE™ #1 SERIAL NUMBER TRUE ADVANCED PURGE™...
  • Page 96 APPENDIX D - SC-W MANUAL MONTHLY INSPECTION CHECKLIST NITROGEN-PAC™ MODEL SC-W SYSTEM UFS-623 REVISION 2.00 – PAGE 2 OF 3 INSPECTION – MODEL NAMD-1 ASSEMBLIES STEP PROCEDURE Are the valves at each Model NAMD-1 in the proper position? Have the values on the Model NAMD-1 gauges been recorded? Sprinkler Sprinkler External Air...
  • Page 97 APPENDIX D - SC-W MANUAL MONTHLY INSPECTION CHECKLIST NITROGEN-PAC™ MODEL SC-W SYSTEM UFS-623 REVISION 2.00 – PAGE 3 OF 3 GREEN VISUAL INDICATOR GAUGES PARTICULATE FILTER DRAIN VALVE PURITY TEST PORT ENCLOSURE INLET FILTER ELEMENT VALVE EXHAUST FAN FILTER AND RETAINER...

  • Page 98: Annual Maintenance

    APPENDIX E - SC-W MANUAL ANNUAL MAINTENANCE CHECKLIST NITROGEN-PAC™ MODEL SC-W SYSTEM UFS-624 REVISION 2.00 – PAGE 1 OF 4 DATE LOCATION INFORMATION User Address 1 Address 2 City, State, Zip System NITROGEN-PAC™ MODEL SC-W ASSEMBLY SERIAL NUMBER TRUE ADVANCED PURGE™ #1 SERIAL NUMBER TRUE ADVANCED PURGE™...
  • Page 99 APPENDIX E - SC-W MANUAL ANNUAL MAINTENANCE CHECKLIST NITROGEN-PAC™ MODEL SC-W SYSTEM UFS-624 REVISION 2.00 – PAGE 2 OF 4 MAINTENANCE – MODEL SC-W ASSEMBLY (CONTINUED) STEP PROCEDURE Have the values on the Model SC-W assembly gauges been recorded? Gauge Gauge PROPER GAUGE READINGS MODEL SC-W ASSEMBLY...
  • Page 100 APPENDIX E - SC-W MANUAL ANNUAL MAINTENANCE CHECKLIST NITROGEN-PAC™ MODEL SC-W SYSTEM UFS-624 REVISION 2.00 – PAGE 3 OF 4 COMPLETION SIGNATURES PRINT NAME SIGNATURE DATE INSPECTOR CUSTOMER QUICK REFERENCE VALVE POSITION TABLE FILTER PURITY AT PURITY AT VALVE NORMAL INITIAL FILL PURGING DRAIN...
  • Page 101 APPENDIX E - SC-W MANUAL ANNUAL MAINTENANCE CHECKLIST NITROGEN-PAC™ MODEL SC-W SYSTEM UFS-624 REVISION 2.00 – PAGE 4 OF 4 GREEN BYPASS VISUAL VISUAL INDICATOR INDICATOR ON / OFF SELECTOR SWITCH VALVE GAUGES PARTICULATE FILTER PARTICULATE FILTER DRAIN VALVE COALESCING FILTER PURITY TEST PORT...
  • Page 102 APPENDIX F - SC-W MANUAL...
  • Page 103 APPENDIX F - SC-W MANUAL...
  • Page 104 APPENDIX G - SC-W MANUAL...
  • Page 105 Warranty. How Is Warranty Service Obtained? If anything goes wrong with UNITED Fire Systems equipment, contact: UNITED Fire Systems Division of United Fire Protection Corporation Your 1 Mark Road = OR = Trained Kenilworth, NJ 07033 USA Distributor Phone: 908-688-0300 Fax: 908-481-1131 https://unitedfiresystems.net/...
  • Page 106 If the NITROGEN-PAC™ SC SERIES equipment is moved from one to another installation during the time period of Limited Warranty coverage, the NITROGEN-PAC™ SC SERIES equipment must be re- commissioned by UNITED Fire Systems or a trained distributor to be eligible for continuing coverage.
  • Page 107 Warranty. How Is Warranty Service Obtained? If anything goes wrong with UNITED Fire Systems equipment, contact: UNITED Fire Systems Division of United Fire Protection Corporation 1 Mark Road Your = OR = Kenilworth, NJ 07033 USA Trained Phone: 908-688-0300 Distributor Fax: 908-481-1131 https://unitedfiresystems.net/...
  • Page 108 If the TRUE ADVANCED PURGE equipment is moved from one to another installation during the time period of Limited Warranty coverage, the TRUE ADVANCED PURGE equipment must be re- commissioned by UNITED Fire Systems or a trained distributor to be eligible for continuing coverage.
  • Page 109 SPRINKLER ACCESSORIES. How Long Does The Coverage Last? This Limited Warranty lasts for one (1) year from the date of shipment to the original purchaser. What Will UNITED Fire Systems Do? UNITED Fire Systems will repair, replace, or refund the purchase price of, at its option, any defective SPRINKLER ACCESSORIES at no charge.
  • Page 110 Is This Limited Warranty Transferable? If SPRINKLER ACCESSORIES are moved from one to another installation during the time period of Limited Warranty coverage, the SPRINKLER ACCESSORIES must be re-commissioned by UNITED Fire Systems or a trained distributor to be eligible for continuing coverage. There will be a quoted charge for this re-commissioning.
  • Page 111 (THIS SURFACE DELIBERATELY LEFT BLANK)
  • Page 112 UNITED Fire Systems Division of UNITED Fire Protection Corporation 1 Mark Road Kenilworth, NJ USA 07033 Manual Part Number 30-NPWICM-000 908-688-0300 Revision 1.01 Unitedfiresystems.com Mar 2021...

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