RKI Instruments 35-3010RK-04 Скачать руководство пользователя страница 14 | Manualshive

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10 • 35-3010RK-04 Sample-Draw Detector

Figure 5: External (Field) Wiring, Sample Draw Detector

Interconnect Terminal Strip

CO
(Controller Transmitter
Terminals)

24 VDC +

S (4/20 mA)

24 VDC -

R

W

G

B

Controller LEL

Terminals

Sample Draw Housing

Main Circuit Board

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Содержание 35-3010RK-04

Страница 1: ...www rkiinstruments com 35 3010RK 04 Sample Draw Detector Part Number 71 0209RK Revision D Released 6 5 17 ...

Страница 2: ...ic calibration and maintenance of the detector is essential for proper operation and correct readings Please calibrate and maintain this detector regularly Frequency of calibration depends upon the type of use you have and the sensor types Typical calibration frequencies for most applications are between 3 and 6 months but can be required more often or less often based on your usage ...

Страница 3: ...cement costs local repair costs transportation costs or contingent expenses incurred without our prior approval THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY AND ALL OTHER WARRANTIES AND REPRESENTATIONS EXPRESSED OR IMPLIED AND ALL OTHER OBLIGATIONS OR LIABILITIES ON THE PART OF RKI INSTRUMENTS INC INCLUDING BUT NOT LIMITED TO THE WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE IN NO E...

Страница 4: ...12 Setting the Zero Reading 12 Operation 13 Normal Operation 13 Low Flow Alarm 13 Maintenance 13 Preventive Maintenance 13 Troubleshooting 14 Replacing Components of the Sample Draw Detector 15 Adjusting the Low Flow Setting 16 Calibration Frequency 17 Calibration LEL Detector 17 Setting the Zero Reading 17 Setting the Response Reading 18 Returning to Normal Operation 18 Calibration CO Detector 18...

Страница 5: ...s in this manual to assure proper and safe operation of the 35 3010RK 04 and to minimize the risk of personal injury Be sure to maintain and periodically calibrate the 35 3010RK 04 as described in this manual Table 1 Specifications Target Gases Detection Ranges Combustible Gas 0 100 LEL Carbon Monoxide CO 0 300 ppm Input Power 24 VDC Current Draw 200 mA Construction housing Fiberglass polyester NE...

Страница 6: ... is in use The housing door is hinged on the left side and is secured by two latches on the right side Four mounting feet are attached to the back of the housing one at each corner Use the mounting feet to install the housing to a vertical surface Use the two conduit hubs on the bottom of the housing to make wiring connections Amp 2 H2S Dummy Plug Preamp Circuit Board Flow Block Amp 1 Hydrophobic ...

Страница 7: ...LET fitting on the bottom of the housing allows the gas sample to enter the sample draw detector The INLET fitting accepts 1 4 in rigid tubing See Installation on page 8 for instructions to connect tubing to the INLET fitting Hydrophobic Filter The hydrophobic filter is to the left of the main circuit board It is held in place by a metal clip It prevents water and other liquids from contaminating ...

Страница 8: ...etector will operate down to a flow of 0 6 SCFH the optimum flow rate is 1 2 SCFH Bypass Valve The bypass valve is to the left of the flowmeter The bypass valve adjusts the flow rate to the sensor Use a flat blade screwdriver to adjust the bypass valve NOTE The bypass valve allows fine adjustments of the flow rate For a wider range of adjustment use the flow adjust potentiometer see Figure 1 Statu...

Страница 9: ...oller The porous flame arrestor allows the gas sample to enter the sensor assembly and contact the sensing element The flame arrestor also contains sparks within the sensor Connector The top of the sensor includes five pins that plug into the socket connector This connector allows you to replace the sensor without disconnecting the wiring The sensor leads are soldered to the connector Sensor Leads...

Страница 10: ...ct terminal strip to connect the sample draw detector to a controller Sensor Transmitter Terminal Strip The sensor transmitter terminal strip is the sixteen point terminal strip near the right edge of the circuit board Use the sensor transmitter terminal strip to connect sensors or transmitters to the main circuit board NOTE The sensors are factory wired to the sensor transmitter terminal strip Se...

Страница 11: ... terminal in the top left corner of the circuit board Use the pump terminal strip to connect the pump and pressure switch to the main circuit board NOTE The pump and pressure switch are factory wired to the circuit board See Wiring the Sample Draw Detector on page 9 for all wiring procedures related to the sample draw detector Relay The relay is approximately in the middle of the circuit board The...

Страница 12: ...ure there is sufficient room to perform start up maintenance and calibration procedures Figure 4 Mounting the Sample Draw Detector 2 Close and latch the housing door NOTE The sample draw detector is shipped with the mounting feet tucked under the housing to protect the mounting feet during shipment 3 Slightly loosen the screw that secures one of the mounting feet to the housing then rotate the mou...

Страница 13: ...Draw Detector WARNING Always verify that the power source is OFF before you make wiring connections 1 Turn off the controller 2 Turn off or unplug incoming power to the controller 3 Unlatch and open the housing door of the sample draw detector 4 Guide a seven conductor 18 gauge shielded cable or seven 18 gauge wires in conduit through one of the conduit hubs at the bottom of the sample draw housin...

Страница 14: ...Draw Detector Figure 5 External Field Wiring Sample Draw Detector Interconnect Terminal Strip CO Controller Transmitter Terminals 24 VDC S 4 20 mA 24 VDC R W G B Controller LEL Terminals Sample Draw Housing Main Circuit Board ...

Страница 15: ...r 11 Figure 6 Internal Factory Wiring Sample Draw Detector Black Green White LEL Detector H2S Not Used CO Pump Factory Wired Red CO Sensor Plugs Into Far Side of Preamp Circuit Board Pressure Switch Factory Wired LEL Sensor Connector ...

Страница 16: ...ample line is not leaking 8 Remove your thumb from the sample line press the pump reset switch and verify the flowmeter returns to a normal flow rate Setting the Zero Reading CAUTION If you suspect the presence of combustible gas toxic gases or an abnormal oxygen condition not 20 9 in the monitoring environment use the calibration kit and the zero air calibration cylinder to introduce fresh air to...

Страница 17: ...low reduction can be caused by a flow blockage a leak in the flow system a malfunctioning pressure switch or a malfunctioning pump Maintenance This section describes maintenance procedures It includes preventive maintenance procedures This section also includes procedures to troubleshoot the sample draw detector replace components of the sample draw detector and adjust the low flow setting Prevent...

Страница 18: ...move the calibration tubing from the inlet line then reconnect the inlet line 5 Store the calibration kit in a safe place Quarterly Calibrate the sample draw detector as described in the Calibration section Troubleshooting The troubleshooting guide describes symptoms probable causes and recommended action for problems you may encounter with the sample draw detector NOTE This troubleshooting guide ...

Страница 19: ...ctor s flow rate is too low because of an obstructed sample line failed pump etc The sample draw detector is malfunctioning Recommended Action 1 Verify that the calibration cylinder contains an adequate supply of a fresh test sample 2 If necessary set the correct flow rate with the bypass valve or flow adjust potentiometer 3 If you cannot set the correct flow rate check the sample line for obstruc...

Страница 20: ...flow block 8 Turn on incoming power 9 Calibrate the replacement sensor as described in Calibration CO Detector on page 18 Replacing the Hydrophobic Filter 1 Turn off or unplug power to the controller 2 Locate the hydrophobic filter It is just to the left of the main circuit board 3 Grasp the hydrophobic filter and pull it out of its metal clamp 4 Remove the rubber seals from each end of the hydrop...

Страница 21: ...f every 3 months for the sample draw detector If an application is not very demanding for example detection in a clean temperature controlled environment and calibration adjustments are minimal at calibration then a calibration frequency of every 6 months is adequate for the sample draw detector If the application is very demanding for example if the environment is not well controlled then more fr...

Страница 22: ...ding according to the controller operator s manual to match the calibration gas concentration 7 Disconnect the sample tubing from the inlet line 8 Unscrew the regulator from the calibration cylinder NOTE For convenience leave the regulator connected to the sample tubing Returning to Normal Operation 1 Remove the voltmeter leads from the test points 2 Reconnect the incoming sample line 3 Wait 1 to ...

Страница 23: ...ing 4 Allow the gas to flow for 1 minute 5 Verify a voltmeter reading of 100 mV 2 mV at the AMP 1 test points for the CO channel as described in the Preparing for Calibration section above 6 If necessary use a small flat blade screwdriver to adjust the zero pot for the CO channel until the voltmeter reading is 100 mV 2 mV 7 Disconnect the sample tubing from the inlet line 8 Unscrew the regulator f...

Страница 24: ... the sample draw gas detector Table 2 Parts List Part Number Description 06 1248RK Sample tubing 3 16 x 5 16 specify length for calibration kit 07 0034RK Sealing gasket for CO flow block cavity 30 0610RK Pump 33 0171RK Hydrophobic filter AcroPak 33 6095RK Charcoal filter CF 188 81 0076RK 01 Zero air calibration cylinder 34 liter 81 0090RK 01 3 gas calibration gas cylinder 50 LEL methane 12 oxygen ...

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