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www.rkiinstruments.com

35-3001-06-01

Combustible Gas/Oxygen

Sample-Draw Detector

Operator’s Manual

Part Number: 71-0292RK

Revision: A

Released: 8/7/17

Summary of Contents for 35-3001-06-01

Page 1: ...www rkiinstruments com 35 3001 06 01 Combustible Gas Oxygen Sample Draw Detector Operator s Manual Part Number 71 0292RK Revision A Released 8 7 17...

Page 2: ...eath Periodic 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...

Page 3: ...al or replacement 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 REPRES...

Page 4: ...g the Zero Reading 10 Maintenance 11 Preventive Maintenance 11 Troubleshooting 12 Replacing Components of the Sample Draw Detector 13 Adjusting the Low Flow Setting 15 Removing the Particle Filter s T...

Page 5: ...e risk of personal injury Be sure to maintain and periodically calibrate the 35 3001 06 01 as described in this manual Table 1 Specifications Target Gases and Detection Range Combustible gas 0 100 LEL...

Page 6: ...le for Pump _ O X Y G E N B W Oxygen Sensor Oxygen Sensor Terminal Strip IR Combustible Sensor inside block IR Combustible Sensor PCB B G IR Combustible Flow Block Mounting Foot 4X AMP AMP 2 S OXY R S...

Page 7: ...nt but it is not factory installed If the particle filter is installed directly to the inlet fitting the tubing stub must be used If the particle filter is installed somewhere else like at the end of...

Page 8: ...or Pump Connector The pump connector is the two point connector below the oxygen terminal strip in the upper right corner of the main circuit board Use the pump connector to connect the pump to the ma...

Page 9: ...damaging the flow and detection systems Replace the filter when it appears dirty discolored or clogged Pump The pump is mounted to the right side of the main circuit board The pump pulls the gas samp...

Page 10: ...ollowing when you select the mounting site Is there enough room to open the housing door and make wiring and tubing connections at the bottom of the housing Make sure there is sufficient room to perfo...

Page 11: ...fitting components 4 Connect a length of sample tubing to the other side of the particle filter and route it to the sampling area 1 4 O D rigid polypropylene Teflon or flexible polyurethane tubing ma...

Page 12: ...riate insert to seal the connection between the tubing and the inlet fitting 3 Hand tighten the nut on the exhaust fitting so the ferrules clamp on the tubing If the tube nut is removed see Figure 5 f...

Page 13: ...d cable is used connect the cable s drain wire to an available chassis earth ground at the controller RKI controllers typically have a ground stud that can be used to ground the cable s drain wire Whi...

Page 14: ...mple line press and hold the reset switch and plug the open end of the sample line with your thumb If the flowmeter ball drops to the bottom of the flowmeter the incoming sample line is not leaking 8...

Page 15: ...se the flow and counterclockwise to decrease the flow 3 Verify a display reading of 0 LEL for the combustible channel and 20 9 for the oxygen channel at the controller Investigate significant changes...

Page 16: ...18 9 Reconnect the sample tubing to the inlet fitting Quarterly Calibration Calibrate the sample draw detector as described in Calibration IR LEL Sensor on page 17 and Calibration Oxygen Sensor on pa...

Page 17: ...nd flow regulator calibration kit is used use a different demand flow regulator to determine if the original one is functioning properly 3 If necessary set the correct flow rate with the sensor flow c...

Page 18: ...ning plate on the two standoffs 7 Secure the retaining plate to the standoffs with the two screws you removed in step 4 8 Guide the wires and lugs of the replacement sensor to the oxygen terminal stri...

Page 19: ...test The factory set low flow setting is 0 6 SCFH 0 1 To adjust the low flow setting 1 Use the sensor flow control valve to set the flow to 0 6 SCFH Turn the valve s knob clockwise to increase the flo...

Page 20: ...should come out with the tube nut Be careful not to lose the O ring that may come out with the tubing stub If you do lose the O ring or if it is damaged see Parts List on page 20 for the spare part nu...

Page 21: ...prepare for calibration set the zero reading set the response reading and return to normal operation The standard calibration gas for the combustible gas sensor is methane The sample draw detector ma...

Page 22: ...alibration set the fresh air reading set the zero reading and return to normal operation NOTE Calibrating the sample draw detector may cause alarms Be sure to put the controller into its calibration p...

Page 23: ...ading 5 Disconnect the sample tubing from the sample draw detector s inlet fitting 6 Reconnect the incoming sample line to the inlet fitting 7 Unscrew the regulator from the calibration cylinder Retur...

Page 24: ...3001 06 01 Sample Draw Detector 81 0002RK 01 Calibration cylinder 50 LEL hydrogen in air 34 liter steel 81 0002RK 03 Calibration cylinder 50 LEL hydrogen in air 103 liter 81 0007RK 01 Calibration cyli...

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