Emerson IP221 appendix Maintenance / Inspection

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Maintenance / Inspection

This is limited to periodic inspection by a qualified person to ensure that the installation including wiring and equipment housing is safe.

Clean only with a damp cloth, ensuring that no moisture enters control unit.

Check unit for damage and if damaged do not use.

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Contents Fault Finding Specification and description ContentsSafety Information Introduction InstallationExplanation of symbols Protection of permanently installed equipmentHi-Sens cylindrical sensors SensorsGap sensors Reflection Method Figure Interface detection Attenuation method FigureNormal acting head amplifiers Solids Density DetectionHead Amplifier Units Control Units Ii Inverse acting head amplifiersType Industrial Case Marine Sensor State OutputHead amplifier internals Installation 2.1 CalibrationIii Interface Sensors Attenuation Method Calibration procedure by sensor type Hi-Sens SensorsIi Gap Sensors Sludge Sensor Iv Interface Sensors Reflection MethodAdjacent head amplifier mounting details Sensor and head amplifier installationPage Wiring Cable Control unit installationRelay Ratings Ii Head Amplifier UnitIii Control unit Control Unit Connections II 1 G EExia IIC EN 50014 & EN Intrinsically safe installationCertificates of Conformity Relay contacts not changing Fault FindingFault indicated Unit not switchingHead Amplifiers Sensor specificationHousing Power consumptionIntrinsic safety Temperature RangeRack Mounted Unit Recommended Spare Parts 5.1 Sensor and head amplifierStandard Control Unit Sensor Connection Intrinsic Safety Mounting Sensor Type Test SwitchAppendix I Part Numbers OptionsRacks Intrinsic Safety Mounting Mains Voltage Output RelayAppendix III List of tables Section Title Appendix II List of illustrations Section TitleMaintenance / Inspection International Americas Abcdef