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35-3010A-11 Sample-Draw

Detector

Part Number: 71-0496

Revision: P1

Released: 5/29/19

Summary of Contents for 35-3010A-11

Page 1: ...www rkiinstruments com 35 3010A 11 Sample Draw Detector Part Number 71 0496 Revision P1 Released 5 29 19...

Page 2: ...c 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 typ...

Page 3: ...ment 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 EXP...

Page 4: ...ing the Fresh Air Reading 17 Operation 18 Normal Operation 18 Low Flow Alarm 18 Maintenance 19 Preventive Maintenance 19 Troubleshooting 19 Replacing Components of the Sample Draw Detector 20 Adjustin...

Page 5: ...n of the 35 3010A 11 and to minimize the risk of personal injury Be sure to maintain and periodically calibrate the 35 3010A 11 as described in this manual Table 1 Specifications Target Gases Detectio...

Page 6: ...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 conn...

Page 7: ...ter the sample draw detector The INLET fitting accepts 1 4 in rigid tubing See Installation on page 13 for instructions to connect tubing to the INLET fitting Hydrophobic Filter The hydrophobic filter...

Page 8: ...ubic Feet per Hour Although the sample draw detector 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...

Page 9: ...an output that is proportional to the detection range of the sample draw detector The signal from the sensor is sent to a controller The porous flame arrestor allows the gas sample to enter the senso...

Page 10: ...right edge of the transmitter The transmitter is factory wired to the sensor and main circuit board Test Points The test points are located on the left side of the transmitter and are labeled TP and T...

Page 11: ...e draw detector to the 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 tr...

Page 12: ...terminal strip is the four point 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 p...

Page 13: ...ure there is sufficient room to perform start up maintenance and calibration procedures Figure 5 Mounting the Sample Draw Detector 2 Close and latch the housing door NOTE The sample draw detector is s...

Page 14: ...aw 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...

Page 15: ...g Sample Draw Detector Interconnect Terminal Strip 24 VDC 24 VDC S 4 20 mA 24 VDC S 4 20 mA CO2 Channel Controller Transmitter Terminals H2S Channel Controller Transmitter Terminals G B R Main Circuit...

Page 16: ...Internal Factory Wiring Sample Draw Detector H2S CO Not Used H2S Sensor Plugs Into Far Side of Preamp Circuit Board Black Green W hite LEL Sensor Connector Red Gre en W hite Black Red CO2 Sensor Conn...

Page 17: ...g 8 Remove your thumb from the sample line press the pump reset switch and verify the flowmeter returns to a normal flow rate Verifying the Fresh Air Reading CAUTION If you suspect the presence of com...

Page 18: ...Fail LED will turn on and the pump will shut off In addition the sensor signals to the controller will be interrupted by the sample draw detector resulting in a failure indication for each channel at...

Page 19: ...about 0 04 volume depending on location 4 Investigate significant changes in the display reading Quarterly Calibrate the sample draw detector as described in the Calibration section Troubleshooting T...

Page 20: ...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 rat...

Page 21: ...board with the sensors onto the flow block 8 Turn on incoming power 9 Calibrate the replacement sensor as described in Calibration H2S and IR CO2 Detectors on page 24 Replacing the IR CO2 Sensor 1 Tu...

Page 22: ...potentiometer is accessible through a circular cutout in the main circuit board The cutout is labeled PS1 3 Verify that the low flow alarm is 0 6 SCFH 0 2 Repeat steps 3 and 4 if necessary 4 Use the...

Page 23: ...the sample tubing from the regulator to the inlet line at or near the INLET fitting 6 Allow the gas to flow for 1 minute 7 Set the zero reading according to the controller operator s manual 8 Disconn...

Page 24: ...range 3 For H2S detector calibration Plug the voltmeter leads into the test points in the AMP 2 section of the main circuit board Plug the positive lead into the test point labeled CAL 2 plug the neg...

Page 25: ...aw detector s INLET fitting 3 Allow the calibration gas to flow for 1 minute 4 Check the mV output on the AMP 2 test points for H2S and verify that the reading matches the response reading 2 mV you de...

Page 26: ...Pump 33 0171RK Hydrophobic filter AcroPak 33 6010RK 01 33 6095RK Charcoal filter CF 188 61 5040RK 03 IR CO2 sensor 0 5 volume 81 0072RK 01 2 5 volume CO2 in N2 calibration cylinder 34 liter steel 81...

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