RKI Instruments 35-3001-05-03 Operator'S Manual Download

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35-3001-05-03

Carbon Dioxide Sample-Draw Detector

Operator’s Manual

Part Number: 71-0413

Revision: 0

Released: 8/4/17

Summary of Contents for 35-3001-05-03

Page 1: ...www rkiinstruments com 35 3001 05 03 Carbon Dioxide Sample Draw Detector Operator s Manual Part Number 71 0413 Revision 0 Released 8 4 17 ...

Page 2: ...h 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 upon the type of use you have and the sensor types Typical calibration frequencies for most applications are between 6 and 12 months but can be required more often or less often based on your usage ...

Page 3: ...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 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...

Page 4: ... Sample Draw Detector to a Controller 8 Start Up 10 Introducing Incoming Power 10 Setting the Zero Reading 10 Maintenance 11 Preventive Maintenance 11 Troubleshooting 12 Replacing Components of the Carbon Dioxide Sample Draw Detector 13 Adjusting the Low Flow Setting 14 Removing the Particle Filter s Tubing Stub if Necessary 15 Calibration Frequency 16 Calibration 16 Preparing for Calibration 16 S...

Page 5: ... and safe operation of the 35 3001 05 03 and to minimize the risk of personal injury Be sure to maintain and periodically calibrate the 35 3001 05 03 as described in this manual Table 1 Specifications Target Gas and Detection Range Carbon Dioxide CO2 0 5 volume Input Power 24 VDC Nominal 18 5 VDC 30 VDC Construction housing Fiberglass polyester NEMA 4X Dimensions 8 5 in H x 6 5 in W x 4 25 in D We...

Page 6: ... IR CO2 Flow Block IR CO2 Sensor P CB B G Detector Amp Terminal Strip Factory W ired AMP AMP 2 S Sensor Flow Control Valve Fail LED Pilot LED Pump Reset Switch Flowmeter Pressure Switch Adjustment Screw behind PCB R B G Interconnect Terminal Strip OXY G W AMP 1 S S AMP 2 This End To Inlet Fitting Flowmeter Circuit Board Connector Pump Connector LEL IR W Particle Filter LEL IR W 3 4 Conduit Hub IR ...

Page 7: ...ample fittings accept 1 4 in rigid tubing See the Installation section on page 6 to connect tubing to the sample fittings Particle Filter A particle filter with a tubing stub on one end is shipped with the instrument 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 ...

Page 8: ... detector 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 main circuit board NOTE The pump is factory wired to the main circuit board See Installation on page 6 for all wiring procedures related to the sample draw detector Flowmeter Circuit Board Connec...

Page 9: ... Pump Reset Switch The pump reset switch is located to the left of the status LEDs When a low flow condition occurs the pump will be shut off To reset the low flow condition and start the pump again press and hold the pump reset switch for about 2 seconds then release Hydrophobic Filter The hydrophobic filter is located toward the bottom left of the main circuit board The filter prevents particula...

Page 10: ...he following 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 perform start up maintenance and calibration procedures Are the flowmeter and status LEDs visible Figure 3 Outline and Mounting Dimensions Ø 30 x 50 4X MOUNTING 78 1 13 40 Pilot Fail 85 80 4 50 NOTE Ho...

Page 11: ...tting 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 may be used RKI Instruments Inc recommends using either 1 4 O D x 1 8 I D or 1 4 O D x 0 170 I D tubing based on your length requirements See Specifications on page 1 for maximum tubing lengths based on tu...

Page 12: ...ert 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 for the arrangement of the fitting components 4 Route the opposite end of the tubing to an open area where the sample can safely disperse or to an exhaust duct See Specifications on page 1 for maximum tubing le...

Page 13: ...Draw Detector to a Controller 9 If shielded 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 Green Black Red White Not Used on This Version P A T S 2 0 1 A MP 2 LEL I R O XY LEL I R P A T S 1 0 1 P A T S 1 0 1 P A T S 2 0 1 O XY A MP 1 A MP 1 A MP 2 Blac...

Page 14: ...et 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 Remove your thumb from the sample line release the reset switch and verify the flowmeter returns to a normal flow rate 9 Enable alarms or place the controller in normal operation CAUTION Allow the sample draw detector to warm up for...

Page 15: ... changes in the display reading Monthly Response Test This procedure describes a test to verify that the sample draw detector responds properly to the target gas NOTE To reduce the response time of this test use a short incoming sample line If the sample draw detector s sample line is long connect a shorter line for this test Make sure you reconnect the sample line after you complete this procedur...

Page 16: ...tector s flow rate is too low because of an obstructed sample line failed pump etc The sample draw detector is malfunctioning The sensor wiring is disconnected or misconnected Recommended action 1 At the sample draw detector set the correct flow rate with the sensor flow control valve 2 If you cannot set the correct flow rate check the sample lines for obstructions or kinks 3 Verify that the senso...

Page 17: ...n Dioxide Sensor 1 Turn off the controller 2 Turn off power to the controller 3 Open the housing door of the sample draw detector 4 Unscrew and remove the four screws that secure the IR carbon dioxide sensor PCB then lift the IR carbon dioxide sensor PCB and sensor off of the flow block There is a gasket at the bottom of the flow block Be sure the gasket stays in place 5 Unplug the sensor from the...

Page 18: ...line 5 Turn on power to the controller 6 Turn on the controller Adjusting the Low Flow Setting NOTE Adjusting the low flow setting will cause a low flow alarm at the sample draw detector and a fail alarm at the controller Be sure to put the controller into its calibration program or disable external alarms before performing this test The factory set low flow setting is 0 6 SCFH 0 1 To adjust the l...

Page 19: ...b CAUTION Do not pull the tubing stub downward to remove it 1 Remove the particle filter from its tubing stub 2 Unscrew the outside inlet fitting tube nut from the fitting body The tubing stub 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 17 for the spare part number 3 ...

Page 20: ...ng for Calibration 1 Follow the instructions in the controller s operator s manual for entering calibration mode NOTE If you can verify a fresh air environment it is not necessary to use the zero air calibration cylinder to set the zero reading 2 Screw the regulator into a zero air calibration cylinder Setting the Zero Reading Since there is a background of CO2 in air of typically 0 04 vol it is n...

Page 21: ...D x 5 16 OD 3 feet for calibration kit 07 0110RK Gasket for IR flow block 17 2670 Inlet fitting O ring 17 2671 Inlet fitting front ferrule 17 2672 Inlet fitting back ferrule and tube nut 30 1016RK Pump 33 0165RK Hydrophobic filter 33 0167RK Particle filter 61 5040RK 03 Infrared carbon dioxide sensor 0 5 vol range 71 0413 Operator s Manual 35 3001 05 03 Sample Draw Detector 81 0072RK 01 Calibration...

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