RKI Instruments 65-2396RK Operator'S Manual Download Page 1

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RKI Instruments, Inc.

www.rkiinstruments.com

65-2396RK

Transmitter

Operator’s Manual

Part Number: 71-0184RK

Revision: C

Released: 9/1/20

Summary of Contents for 65-2396RK

Page 1: ...RKI Instruments Inc www rkiinstruments com 65 2396RK CO2 Transmitter Operator s Manual Part Number 71 0184RK Revision C Released 9 1 20...

Page 2: ...alibration and maintenance of the transmitter is essential for proper operation and correct readings Please calibrate and maintain this transmitter regularly Frequency of calibration depends upon the...

Page 3: ...nt 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 EXPRE...

Page 4: ...ring the CO2 Transmitter 9 Startup 12 Introducing Incoming Power 12 Setting the Zero Signal 12 Maintenance 13 Preventive Maintenance 13 Troubleshooting 14 Replacing Components of the CO2 Transmitter 1...

Page 5: ...nings in this manual to assure proper and safe operation of the 65 2396RK and to minimize the risk of personal injury Be sure to maintain and periodically calibrate the 65 2396RK as described in this...

Page 6: ...that repels liquids is on one end of the detector and allows sample gas to enter the detector Four color coded leads red white green and black extend from the other end of the detector The leads allow...

Page 7: ...ip See Wiring the CO2 Transmitter to a Controller on page 9 for all wiring procedures related to the transmitter Zero Pot The zero pot is located in the upper left corner of the amplifier see Figure 1...

Page 8: ...ifier to the controller Use the cover on the front of the junction box to access the interior of the junction box The detector and amplifier are factory installed in the junction box Three spacers ins...

Page 9: ...r facing down see Figure 2 Wiring the CO2 Transmitter to a Controller WARNING Always verify that the power to the controller is off before you make wiring connections 1 Turn off the controller 2 Turn...

Page 10: ...e 3 Connect the positive wire to the PWR SIG terminal Connect the signal wire to the PWR SIG S terminal Connect the negative wire to the PWR SIG terminal CAUTION If shielded cable is used leave the ca...

Page 11: ...e 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 4 20 mA In S DC Ground 24 VDC Cable Shield Red W...

Page 12: ...nce there is a background of CO2 in air of typically 300 600 ppm 0 03 0 06 volume it is necessary to use a calibration kit with a 100 nitrogen cylinder to set the zero signal of a CO2 transmitter with...

Page 13: ...unction box Maintenance This section describes maintenance procedures It includes preventive maintenance troubleshooting and component replacement procedures Preventive Maintenance This section descri...

Page 14: ...KI for further instruction Slow or No Response Difficult or Unable to Calibrate Unable to accurately set the zero or response reading during calibration Transmitter requires frequent calibration Note...

Page 15: ...detector terminal strip as shown in Table 4 below and Figure 3 on page 11 of this manual 9 Reinstall the detector terminal strip into its socket 10 Reinstall the junction box cover 11 Turn on or plug...

Page 16: ...the screw lock washer and flat washer you removed in Step 5 above 9 Install the detector and controller terminals strips into their sockets on the new amplifier as shown in Figure 3 on page 11 of thi...

Page 17: ...manding for example detection in a clean temperature controlled environment where calibration adjustments are minimal at calibration then a calibration frequency of every 9 to 12 months is adequate If...

Page 18: ...e calibration cup 3 Turn the regulator s on off knob counterclockwise to open the regulator 4 Allow the gas to flow for one minute and verify a reading of 100 mV 2 mV If necessary use the zero pot on...

Page 19: ...ler display reading decreases and stabilizes at a typical background CO2 level The 0 5 000 ppm 0 9 000 ppm and 0 5 volume detectors will display a reading in a fresh air environment because they have...

Page 20: ...ion box and amplifier 65 2396RK 03 Infrared CO2 transmitter 0 5 Volume includes detector junction box and amplifier 65 2396RK 04 Infrared CO2 transmitter 0 20 Volume includes detector junction box and...

Page 21: ...ge and knob 0 5 liter minute continuous flow for 34 liter aluminum 58 liter 103 liter calibration cylinders cylinders with internal threads 81 1103RK Calibration cup 82 0006RK Pot adjust screwdriver f...