Emerson UVC120, MAN -0016-00 manual Unit II UV Fire Detection, Detector, System Application

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(Automatic Diagnostics and Fault Identification Cont)

any one of several status changes such as a fault or a "fire" signal from one of the detection areas to take appropriate action.

If a system or vi fault is detected the Fault LED flashes, digital displays and current outputs identify the nature of the fault and the fault relay is de-energized.

VOTING LOGIC (not applicable to U1F)

The controller can be DIP switch configured for either one or two monitoring areas. For a one area configuration, all channels are considered as being in Area 1 and both Area alarm relays will be activated together.

The dip switches can be set so that only one channel need be in alarm to activate the area alarm or any two channels must ‘vote’ (see a fire at the same time) to activate the area alarm. The instant alarm will be activated when any channel sees UV radiation exceeding the preset sensitivity setting, no matter what voting option is being used.

For a two area configuration, channel one (one and two for U4F) make up Area 1 and channel three (three and four for U4F) make up Area 2. W ith the U4F each Area alarm may be programmed with different voting criteria (ie. Area 1 may be set so that either channel one OR channel two may activate the area alarm, and Area 2 may be set so that both channels three AND four must see the fire at the same time to activate the Area alarm).

DETECTOR

The detector responds to UV radiation over the range of 185 to 260 nanometers. It is not sensitive to direct or reflected sunlight nor to normal artificial lighting.

The detector is housed in an explosion-proof enclosure that is designed to meet most national and international standards. It is available in anodized aluminum or optional stainless steel.

The detector is typically mounted with a swivel mounting assembly which is recommended. Other mounting arrangements are possible.

Unit II UV FIRE DETECTION

SYSTEM APPLICATION

The detector responds instantly to ultraviolet radiation emitted by a flame. It is designed for use in hazardous locations and is suitable for use in outdoor applications.

Typical applications for UV detection systems are:

<around highly combustible materials

<if instantaneous response to flame is needed

<where automated fire protection is required

<to protect large capital investments

Petroleum Products Handling

<petroleum loading terminals

<offshore platforms

<pipeline stations

<tank farms

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Contents Ultraviolet Fire Detection System Page Page Page Table of Contents Unit V Maintenance Unit I General Information Detector Specifications Dimensions Basic Operation Controller Controller Faceplate Description Relay Outputs OutputsCurrent Outputs Automatic Diagnostics and Fault Identification External ResetProgramming Options Detector Unit II UV Fire DetectionSystem Application Petroleum Products HandlingGaseous Fuel Handling Detector Sensitivity Spectral Sensitivity RangeOther Processes System Sensitivity Cone of VisionInstallation General Wiring Requirements Unit III System InstallationController Wiring Page W iring for U1F-UV with Non-Isolated Current Output W iring for U1F-UV with Isolated Current Output W iring for U2F-UV with Non-Isolated Output W iring Diagram for U2F-UV with Isolated Current Output W iring for U4F-UV with Non-Isolated Current Output W iring for U4F-UV with Isolated Current Output Position and Density of Detectors DIP Switch SettingsMounting the Detector Channel Selection Controller Sensitivity AdjustmentU1F, U2F and U4F U2F and U4FRelay Outputs ENERGIZED/DE-ENERGIZED Relay Outputs LATCHING/NON-LATCHINGExample Page Relay Settings Time Delay for Area AlarmsCheckout Procedure Startup ProcedureUnit IV System Operation Manual Check Procedure Normal Operation Fire Response Alternate Test ProcedureCurrent Output Situation Main Menu Special Function Menu Error Check Mode Err ChcCurrent Calibration Mode CuC Routine Maintenance Unit V MaintenanceTroubleshooting Device Repair and ReturnPage Appendices B lis h ed in Accordance with E1A Standard Appendix B Procedure For Activating Reed Switches Appendix C Record Of Dip Switch Settings Appendix D Common Ultra-Violet Absorbing Gases AWG #20 AWG #18 AWG #16 AWG #14 AWG #12 AWG #10 AWG #8 Appendix E Wire Resistance In Ohms

0016-00, UVC120, MAN -0016-00 specifications

The Emerson MAN-0016-00, UVC120, 0016-00 is a state-of-the-art device designed to meet the demands of modern industrial and commercial applications. This advanced model showcases Emerson’s commitment to innovation, providing users with reliable performance and cutting-edge technology.

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