1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAUGUST 4, 20161UL 67377Outline of Investigation for Oxygen Reduction Fire Protection System UnitsIssue Number: 2August 4, 2016Summary of TopicsThis second issue of the Outline of Investigation fo
2、r Oxygen ReductionFire Protection System Units, UL 67377, corrects editorial errors andcovers fire protection system units that produce a flux of reduced-oxygenatmosphere within an enclosed space. The oxygen reduction fireprotection system units typically include equipment for compression, highpress
3、ure storage, distribution, and discharging of gases, control of theenclosed space environment, electronic control, communication, etc. Thesystem unit may contain other ancillary equipment related to thefunctioning of the oxygen reduction fire protection system units.ULs Outlines of Investigation are
4、 copyrighted by UL LLC. Neither a printed norelectronic copy of an Outline of Investigation should be altered in any way. All ofULs Outlines of Investigation and all copyrights, ownerships, and rights regardingthose Outlines of Investigation shall remain the sole and exclusive property of ULLLC.COPY
5、RIGHT 2016 UL LLCUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULAUGUST 4, 2016UL 673772No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .5
6、2 Components 53 Units of Measurement .64 Undated References 65 Glossary .8CONSTRUCTION6 Compressor Unit .107 Piping 118 Buffer Tanks 119 Pressure Relief Devices 1210 Electrical Heating Appliances .1211 Air Separation Device .1212 Monitoring .1213 Electrically Operated Valves .1314 Control Logic Equi
7、pment .1315 Alarm Devices 1316 Cabling 1417 Power .14PERFORMANCE18 Functional Safety .1419 Abnormal Conditions and Control Logic Response 1519.1 General .1519.2 Compressor units 1619.3 Piping .1619.4 Buffer tank 1619.5 Electrical heating appliances .1619.6 Air separation device .1719.7 System monito
8、ring sensors 1719.8 Cabling .1719.9 Programmable logic controller .1719.10 Power .1820 Functionality Test .18MANUFACTURING AND PRODUCTION TESTS21 Leakage Test 2022 Reduced Oxygen Concentration and Flow Rate 2023 Abnormal Conditions and System Response .21MARKING24 General 21PLACARDSAUGUST 4, 2016 UL
9、 67377 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL25 General 21DESIGN, INSTALLATION, AND MAINTENANCE INSTRUCTIONS26 General 21AUGUST 4, 2016UL 673774UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT P
10、ERMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover oxygen reduction fire protection system units, intended to separate oxygenand nitrogen from ordinary air to produce a flux of reduced-oxygen (elevated nitrogen) air for limiting thepotential for ignition of Class A and Class B fires an
11、d fire spread of Class A combustibles in a protectedvolume.1.2 These requirements apply to oxygen reduction fire protection system units intended for design,installation, operation and maintenance in accordance with Fixed firefighting systems Oxygen reductionsystems Design, installation, planning an
12、d maintenance, prEN 16750. The oxygen reduction fireprotection system units typically include equipment for compression, high pressure storage, distributionand discharging of gases, control of the enclosed space environment, electronic control, andcommunication. The system units may contain other an
13、cillary equipment related to the functioning of theoxygen reduction fire protection system units. These requirements only apply to nitrogen based oxygenreduction fire protection system units. In addition, these requirements do not apply to oxygen reductionfire protection system units intended for us
14、e in applications such as explosion suppression, explosionprevention, fire suppression using gaseous extinguishing agents, and non-fire protection reduced oxygenatmospheres (e.g., aviator training, food preservation).1.3 The design, installation, operation and maintenance of these oxygen reduction f
15、ire protection systemunits shall comply with regulations in the local jurisdiction where the system will be installed.1.4 Oxygen reduction fire protection system units shall meet the requirements specified herein.2 Components2.1 Except as indicated in 2.2, a component of a product covered by this Ou
16、tline shall comply with therequirements for that component.2.2 A component is not required to comply with a specific requirement that:a) Involves a feature or characteristic not required in the application of the component in theproduct covered by this Outline, orb) Is superseded by a requirement in
17、 this Outline.2.3 A component shall be used in accordance with its rating established for the intended conditions ofuse.2.4 Specific components are incomplete in construction features or restricted in performance capabilities.Such components are intended for use only under limited conditions, such a
18、s temperatures not exceedingspecified limits, and shall be used only under those specific conditions.AUGUST 4, 2016 UL 67377 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL3 Units of Measurement3.1 Values stated without parentheses are the r
19、equirement, in SI units. Values in parentheses areexplanatory or approximate information, in US customary units.4 Undated References4.1 Any undated reference to a code or standard appearing in the requirements of this outline ofinvestigation shall be interpreted as referring to the latest edition of
20、 that code or standard.UL StandardsUL 50Enclosures for Electrical Equipment, Non-Environmental ConsiderationsUL 50EEnclosures for Electrical Equipment, Environmental ConsiderationsUL 429Electrically Operated ValvesUL 499Electric Heating AppliancesUL 508Industrial Control EquipmentUL 508AIndustrial C
21、ontrol PanelsUL 1004-1Rotating Electrical Machines General RequirementsUL 1450Motor Operated-Air Compressors, Vacuum Pumps and Painting EquipmentUL 2196Tests for Fire Resistive CablesUL 60947-4-1Low-Voltage Switchgear and Controlgear Part 4-1: Contactors and Motor-Starters ElectromechanicalContactor
22、s and Motor-StartersUL 60947-5-2Low-voltage Switchgear and Controlgear Part 5-2: Control Circuit Devices and Switching Elements Proximity SwitchesUL 61010-2-201Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use Part2-201: Particular Requirements for Control Equ
23、ipmentUL 61131-2Programmable Controllers Part 2: Equipment Requirements and TestsAUGUST 4, 2016UL 673776UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULIEC StandardsIEC 60950Information technology equipment Safety Part 1: General requirementsI
24、EC 61508-1Functional safety of electrical/electronic/programmable electronic safety-related systems Part 1: GeneralrequirementsIEC 61508-2Functional safety of electrical/electronic/programmable electronic safety-related systems Part 2:Requirements for electrical/electronic/programmable electronic sa
25、fety-related systemsIEC 61508-3Functional safety of electrical/electronic/programmable electronic safety-related systems Part 3:Software requirementsIEC 61508-4Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 4:Definitions and abbreviationsIEC 61508-5F
26、unctional safety of electrical/electronic/programmable electronic safety-related systems Part 5:Examples of methods for the determination of safety integrity levelsIEC 61508-6Functional safety of electrical/electronic/programmable electronic safety-related systems Part 6:Guidelines on the applicatio
27、n of IEC 61508-2 and IEC 61508-3IEC 61508-7Functional safety of electrical/electronic/programmable electronic safety-related systems Part 7:Overview of techniques and measuresIEC 62368-1Audio/Video, Information and Communication Technology Equipment Part 1: Safety RequirementsEU Directive(PED) Press
28、ure Equipment Directive(MD) Machinery DirectiveEN StandardsEN 54-3Fire detection and fire alarm systems Part 3: Fire alarm devices SoundersEN 54-4Fire detection and fire alarm systems Part 4: Power supply equipmentEN 54-23Fire detection and fire alarm systems Part 23: Fire alarm devices Visual alarm
29、 devicesAUGUST 4, 2016 UL 67377 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULEN 50104Electrical apparatus for the detection and measurement of oxygen Performance requirements and testmethodsprEN 16750: 2014 editionFixed firefighting system
30、s - Oxygen reduction systems Design, installation, planning and maintenance5 Glossary5.1 For the purpose of this outline of investigation, the following definitions apply.5.2 AIR SEPARATION DEVICE Equipment used to generate reduced oxygen air for use in theprotected volume.5.3 BUFFER TANK A pressure
31、 vessel used to store compressed air.5.4 COMBUSTIBLE MATERIAL Class A or Class B combustible material present in the protectedvolume in a significant quantity. The significant quantity is determined by means of a risk analysis as partof the fire protection design.a) Class A Materials including ordin
32、ary combustible materials such as wood, cloth, paper,rubber, and many plastics.b) Class B Materials including flammable liquids, oils, petroleum greases, tars, oil-basepaints, solvents, lacquers, alcohols, and flammable gases.5.5 CONDITION A situation, environmental state, or equipment state of an o
33、xygen reduction fireprotection system unit.a) Abnormal Condition A situation, environmental state, or equipment state that warrantssome type of signal, notification, communication, response, action, or service.b) Alarm Condition An abnormal condition that poses an immediate threat to life, property,
34、 ormission.c) Normal Condition Circuits, systems, and components are functioning as designed and noabnormal condition exists.d) Pre-Alarm Condition An abnormal condition that poses a potential threat to life, property,or mission, and time is available for investigation.e) Supervisory Condition An ab
35、normal condition in connection with the supervision of othersystems, processes, or equipment.f) Trouble Condition An abnormal condition in a system due to a fault.AUGUST 4, 2016UL 673778UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL5.6 CONTR
36、OL PANEL Electrical device for monitoring, controlling and alarm of the oxygen reductionfire protection system unit.5.7 EQUIPMENT ROOM An enclosed secure environment that contains the oxygen reduction fireprotection system unit including the compressor, air separation device, programmable logic cont
37、roller, andancillary equipment.5.8 NORMAL OPERATION Situation in which the associated equipment and the oxygen reduction fireprotection system unit are able to carry out their designed functions.5.9 OXYGEN REDUCTION Reduced partial pressure of oxygen by increased partial pressure ofnitrogen to preve
38、nt the ignition or spread of fire.5.10 PROTECTED VOLUME Effective volume of the space to be protected.5.11 PRESSURE The continuous physical force applied perpendicular to the surface of an object perunit area over which that force is distributed.a) Design Pressure The maximum pressure specified by a
39、 manufacturer for the safe use of acomponent.b) Operating Pressure The maximum pressure of an oxygen reduction fire protection systemunit under normal operating conditions.5.12 REDUCED OXYGEN AIR Air with an oxygen concentration lower and nitrogen higher than forambient air at sea level.5.13 RESPONS
40、E Actions performed upon the receipt of a signal.a) Alarm Response The response to the receipt of an alarm signal.b) Pre-Alarm Response The response to the receipt of a pre-alarm signal.c) Supervisory Response The response to the receipt of a supervisory signal.d) System Response An action taken by
41、the control system in response to the detection ofan abnormal condition. May occur in parallel with a signal transmitted to notify system operatorsof further necessary response.e) Trouble Response The response to the receipt of a trouble signal.5.14 SAFETY FUNCTION Critical control function or risk
42、reduction function, which is provided by theproduct to maintain the intended application of the product, as well as the product itself, in a safe state.Note 1: In the context of this outline, the product is the oxygen reduction fire protection system unit.Note 2: In the context of this outline, the
43、intended application is the oxygen reduction of the space to be protected.AUGUST 4, 2016 UL 67377 9UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL5.15 SAFETY INTEGRITY LEVEL (SIL) Measurement in four different levels (SIL1 SIL4) of the riskre
44、duction required by a safety function.5.16 SIGNAL A message indicating a condition, communicated by electrical, visible, audible, wireless,or other means.a) Alarm Signal A signal that results from the manual or automatic detection of an alarmcondition.b) Evacuation Signal A distinctive alarm signal
45、intended to be recognized by the occupantsas requiring evacuation of the building.c) Pre-Alarm Signal A signal that results from the detection of a pre-alarm condition.d) Supervisory Signal A signal that results from the detection of a supervisory condition.e) Trouble Signal A signal that results fr
46、om the detection of a trouble condition.CONSTRUCTION6 Compressor Unit6.1 Compressor units used to provide high pressure air to the oxygen-reduction hardware shall complywith the requirements specified in the Pressure Equipment Directive and the Standard for Motor-OperatedAir Compressors, Vacuum Pump
47、s, and Painting Equipment, UL 1450.6.2 Compressor units designed and constructed for a specific oxygen reduction fire protection system unitinstallation shall comply with the requirements of 6.3 and 6.4.6.3 Electric motors used to provide drive to the compressor units shall comply with the requireme
48、ntsspecified in the Standard for Rotating Electrical Machines General Requirements, UL 1004-1.6.4 Control panel assemblies used to provide feedback and control of the compressor units shall complywith the requirements specified in the Standard for Industrial Control Panels, UL 508A.6.5 The compresso
49、r shall draw its air supply from within the operating criteria allowed by themanufacturer of the compressor. Air piping shall not be attached to the intake of the compressor unlessacceptable to the compressor manufacturer.6.6 Compressed air shall be treated to remove condensed liquids, entrained mists, and solid particulatesprior to supplying any other hardware.AUGUST 4, 2016UL 6737710UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIB
