Rki-instruments GD-K77D Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para Sensores Rki-instruments GD-K77D. RKI Instruments GD-K77D User Manual Manual do Utilizador

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Página 1 - Model GD-K77D

www.rkiinstruments.com Model GD-K77DOperator’s ManualPart Number: 71-0046RKRevision: BReleased: 3/1/11

Página 2

5 • Description Model GD-K77D Operator’s ManualFigure 2: Removing the Cover and Detector UnitCoverWall mounting bracketDetector unit

Página 3 - Warranty

Model GD-K77D Operator’s Manual Description • 6The Model GD-K77D provides a three-wire 4-20mA signal output for a controller. The Model GD-K77D-NT pr

Página 4 - Table of Contents

7 • Description Model GD-K77D Operator’s ManualInternal and Back Panel ComponentsRefer to the diagram below for the location of Model GD-K77D interna

Página 5 - Operator’s Manual

Model GD-K77D Operator’s Manual Description • 8CAUTION: When the Model GD-K77D is not used for long periods of time, the lithium battery may lose pow

Página 6 - Overview

9 • Important Safety Procedures Model GD-K77D Operator’s ManualFigure 5: Flow DiagramImportant Safety ProceduresWARNING: Before installing and operat

Página 7

Model GD-K77D Operator’s Manual Installation • 10Sensor. Use caution when handling the sensor. The electrolyte contains a dilute acid that can damage

Página 8 - Specifications

11 • Installation Model GD-K77D Operator’s Manual• Grounding. Make sure to ground the Model GD-K77D properly during installation.Wall Mounting the Mo

Página 9 - Description

Model GD-K77D Operator’s Manual Installation • 12Removing the Model GD-K77D Detector UnitWhen connecting tubing, making electrical connections, or se

Página 10 - Detector unit

13 • Installation Model GD-K77D Operator’s ManualPower RequirementsExternal AlarmThe Model GD-K77D can be used to control an external buzzer or alarm

Página 11 - Flowmeter

Model GD-K77D Operator’s Manual Installation • 14WARNING: The alarm contacts on the Model GD-K77D are designed to take a resistance load and not an i

Página 12

Model GD-K77D Operator’s ManualWARNINGRead and understand this instruction manual before operating detector. Improper use of the detector could resul

Página 13 - Block Diagrams

15 • Installation Model GD-K77D Operator’s ManualFigure 5: Grounding the GD-K77DChassis GroundGAS INGAS OUTChassis Ground

Página 14 - Important Safety Procedures

Model GD-K77D Operator’s Manual Installation • 16WiringWARNING: When hooking up wires to the Model GD-K77D at the installation site, be very careful

Página 15 - Installation

17 • Installation Model GD-K77D Operator’s ManualFigure 7: Wiring to a Generic Controller, Typical 3-wire5NO76 121110Power SourcePower SourceAlarm De

Página 16 - GAS DETECTOR

Model GD-K77D Operator’s Manual Installation • 18Tubing ConnectionsTube FittingsTwo tube fittings are provided for sampling, one for inlet and one fo

Página 17 - Electrical Connections

19 • Operation Model GD-K77D Operator’s ManualOperationStart-up PreparationsTo avoid the possibility of electrical shock or damage to the Model GD-K7

Página 18

Model GD-K77D Operator’s Manual Operation • 20The basic operation flow and the three operating modes are described in this section of the manual.Star

Página 19

21 • Operation Model GD-K77D Operator’s ManualOperation FlowThe diagram below shows the operation flow for Detection Mode. In Detection Mode, the PW/

Página 20 - Chassis

Model GD-K77D Operator’s Manual Operation • 22Zero SuppressionDuring Detection Mode, the display indicates “0” if the reading is below +6% of full sc

Página 21 - D-K77D Terminal Strip

23 • Operation Model GD-K77D Operator’s Manual4-20mA OutputThe following graph illustrates the relationship between the 4-20mA output and the gas con

Página 22 - 76 121110

Model GD-K77D Operator’s Manual Operation • 24Maintenance Mode Operation FlowCAUTION: When Maintenance Mode is entered during a gas alarm, the alarm

Página 23 - Tubing Material

Model GD-K77D Operator’s ManualWarrantyRKI Instruments, Inc. warrants gas alarm equipment sold by us to be free from defects in materials and workman

Página 24 - Operation

25 • Operation Model GD-K77D Operator’s ManualNOTE: If you suspect the target gas is in the area being monitored, supply zero air to the Model GD-K77

Página 25 - Detection Mode

Model GD-K77D Operator’s Manual Operation • 26CAUTION: The gas alarms will only work in Detection Mode. If the Model GD-K77D is left in Maintenance M

Página 26 - LED lamp function

27 • Operation Model GD-K77D Operator’s Manual4. To return to Maintenance Mode item 1-1, press and release the Mode switch. To return to Detection Mo

Página 27

Model GD-K77D Operator’s Manual Operation • 28Alarm Test ModeAlarm Test Mode is used to increase the display reading and 4-20 mA output. Any external

Página 28 - Maintenance Mode

29 • Alarms Model GD-K77D Operator’s ManualAlarmsAlarm TypesThere are two types of alarms: gas alarms and trouble alarms.Gas Alarm. When the target g

Página 29

Model GD-K77D Operator’s Manual Alarms • 30Alarm Point. When the target gas concentration reaches or exceeds the alarm point, the alarm contact is ac

Página 30

31 • Maintenance Model GD-K77D Operator’s ManualMaintenanceThis section covers maintenance, calibration, and storage.There are two levels of maintena

Página 31

Model GD-K77D Operator’s Manual Maintenance • 32CalibrationCalibration requires you to perform both a zero adjustment and a span adjustment while in

Página 32

33 • Maintenance Model GD-K77D Operator’s Manual7. Press the TEST/SET switch to put the unit in Zero Adjustment Mode. 8. Press the TEST/SET switch to

Página 33 - Turning Off the Model GD-K77D

Model GD-K77D Operator’s Manual Maintenance • 343. Use the FLOW ADJ switch to show 1-3 on the display.4. Press the TEST/SET switch. The display will

Página 34 - Alarm Types

Model GD-K77D Operator’s ManualTable of ContentsOverview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Página 35 - Responding to Alarms

35 • Maintenance Model GD-K77D Operator’s Manual5. Press and hold the TEST/SET switch until 2-1 appears on the display. The unit is now in Maintenanc

Página 36 - Maintenance

Model GD-K77D Operator’s Manual Maintenance • 36Replacing Components of the GD-K77DThis section describes how to change the sensor, pump, and fuse.Re

Página 37 - Calibration

37 • Troubleshooting Model GD-K77D Operator’s ManualTroubleshootingTrouble Alarm: Flickering PW/TR LampWhen the PW/TR lamp is flashing, this indicate

Página 38

Model GD-K77D Operator’s Manual Troubleshooting • 38PW/TR Lamp Off• Check the power switch. Is it turned on?• Check power connection and re-connect i

Página 39

39 • Parts List Model GD-K77D Operator’s Manual• Check that the Model GD-K77D is mounted firmly or that the fixing screw is fastened securely.• The t

Página 40

Model GD-K77D Operator’s ManualTroubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Página 41

1 • Overview Model GD-K77D Operator’s ManualOverviewThe Model GD-K77D has been specially developed for semiconductor gas-leak monitoring and is one o

Página 42 - Troubleshooting

Model GD-K77D Operator’s Manual Overview • 2DANGER: This label alerts you to the possibility of serious injury or death when using or servicing the M

Página 43 - Slow Response

3 • Specifications Model GD-K77D Operator’s ManualSpecificationsSpecifications subject to change without notice. Accessories: Dust filterWARNING: Whe

Página 44 - Parts List

Model GD-K77D Operator’s Manual Description • 4DescriptionThe Model GD-K77D is designed to measure gas leaks in an industrial setting. Gas leaks are

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