RKI Instruments 65-2391RK Operator's Manual

RKI Instruments 65-2391RK Operator's Manual

Co2 transmitter

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Part Number: 71-0121RK
Revision: B
Released: 7/18/14
1.888.610.7664
www.calcert.com
15
10
20
5
25
0
30
65-2391RK
CO
Transmitter
2
Operator's Manual
sales@calcert.com

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Summary of Contents for RKI Instruments 65-2391RK

  • Page 1 65-2391RK Transmitter Operator’s Manual Part Number: 71-0121RK Revision: B Released: 7/18/14 1.888.610.7664 www.calcert.com sales@calcert.com...
  • Page 2 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. 65-2391RK CO Transmitter 1.888.610.7664 www.calcert.com...
  • Page 3 Product Warranty RKI Instruments, Inc., warrants gas alarm equipment sold by us to be free from defects in materials, workmanship, and performance for a period of one year from date of shipment from RKI Instruments, Inc. Any parts found defective within that period will be repaired or replaced, at our option, free of charge.
  • Page 4: Table Of Contents

    Parts List ..............15 65-2391RK CO Transmitter 1.888.610.7664...
  • Page 5: Overview

    ± 5% of reading or ± 2% of full scale (whichever is greater) WARNING: When using the 65-2391RK, you must follow the instructions and warnings in this manual to assure proper and safe operation of the 65-2391RK and to minimize the risk of personal injury. Be sure to maintain and periodically calibrate the 65-2391RK as described in this manual.
  • Page 6: Description

    The following table indicates the color of the shrink tubing and the color of the wire to which it is applied. 2 • 65-2391RK CO Transmitter 1.888.610.7664 www.calcert.com...
  • Page 7: Amplifier

    (see Figure 1). The test points produce a 100 to 500 mV output that corresponds to the transmitter’s 4 to 20 mA output. Use the test points and a voltmeter to measure the transmitter’s output during the start-up and calibration procedures. 65-2391RK CO Transmitter • 3 1.888.610.7664 www.calcert.com...
  • Page 8: Junction Box

    .25 Dia. Mounting 5.20 Hole, 2X 3.94 3/4 NPT Conduit 2.75 5.46 6.10 7.3 Max 3/4 NPT For Calibration Cup NOTE: All Dimensions in Inches 1.10 Figure 2: Mounting the CO Transmitter 4 • 65-2391RK CO Transmitter 1.888.610.7664 www.calcert.com sales@calcert.com...
  • Page 9: Wiring The Co 2 Transmitter

    CAUTION: Do not route power and transmitter wiring through the same conduit hub. The power cable may disrupt the transmission of the transmitter signal to the controller. 65-2391RK CO Transmitter • 5 1.888.610.7664 www.calcert.com sales@calcert.com...
  • Page 10: Startup

    Turn on or plug in power to the controller, then place the controller’s power switch in the ON position. Verify that the controller is on and operating properly. Refer to the controller operator’s manual. 6 • 65-2391RK CO Transmitter 1.888.610.7664 www.calcert.com...
  • Page 11: Setting The Zero Signal

    10. Unscrew the regulator from the 100% nitrogen calibration cylinder. 11. Unscrew the calibration cup from the detector. 12. Reinstall the junction box cover. 13. Return the controller to normal operation or enable external alarms. 65-2391RK CO Transmitter • 7 1.888.610.7664 www.calcert.com...
  • Page 12: Maintenance

    Remove the junction box cover, then plug the voltmeter leads into the test points on the amplifier. Plug the positive lead into the test point labeled TP+; plug the negative lead into the 8 • 65-2391RK CO Transmitter 1.888.610.7664 www.calcert.com...
  • Page 13 10. When the controller display reading falls below the alarm setpoints, return the controller to normal operation. 11. Store the components of the calibration kit in a safe place. Biannually Calibrate the CO transmitter as described in “Calibration” on page 13 of this manual. 65-2391RK CO Transmitter • 9 1.888.610.7664 www.calcert.com sales@calcert.com...
  • Page 14: Troubleshooting

    • Transmitter requires continue, contact RKI for further frequent calibration. instruction. Note: Under “normal” circumstances, the transmitter requires calibration once every six months. Some applications may require a more frequent calibration schedule. 10 • 65-2391RK CO Transmitter 1.888.610.7664 www.calcert.com sales@calcert.com...
  • Page 15: Replacing Components Of The Co 2 Transmitter

    10. Calibrate the replacement detector as described in “Calibration” on page 13 of this manual. Replacing the Amplifier Turn off power to the controller Place the controller’s power switch in the OFF position. 65-2391RK CO Transmitter • 11 1.888.610.7664 www.calcert.com sales@calcert.com...
  • Page 16 Reconnecting the CO Detector to the Amplifier Amplifier Interconnect Detector Lead Terminal Strip White Green Black 12. Turn on power to the controller. 13. Turn on the controller and place it into normal operation. 12 • 65-2391RK CO Transmitter 1.888.610.7664 www.calcert.com sales@calcert.com...
  • Page 17: Calibration Frequency

    Use the sample tubing that comes with the calibration kit to connect the regulator to the calibration cup. Set a voltmeter to measure in the millivolt (mV) range. Remove the junction box cover, then plug the voltmeter leads into the test points on 65-2391RK CO Transmitter • 13 1.888.610.7664 www.calcert.com...
  • Page 18: Setting The Zero Reading

    (±2 mV) you determined earlier. If necessary, use the span potentiometer on the amplifier to adjust the reading to match the correct response reading. Turn the regulator knob clockwise to close the regulator. Unscrew the regulator from the calibration cylinder. 14 • 65-2391RK CO Transmitter 1.888.610.7664 www.calcert.com sales@calcert.com...
  • Page 19: Returning To Normal Operation

    0 - 50% Volume (includes detector, junction box, and amplifier) 65-2391RK-10 transmitter, 0 - 100% Volume (includes detector, junction box, and amplifier) 71-0121RK 65-2391RK CO2 Transmitter Operator’s Manual (this document) 81-0070RK-01 Steel calibration cylinder, 2,000 ppm CO , 34-liter 81-0072RK-01 Steel calibration cylinder, 2.5% CO...
  • Page 20 Steel calibration cylinder, 15% CO , 34-liter 81-0076RK-01 Zero air calibration cylinder (34-liter) 81-1050RK Regulator, 0.5 liter/minute, with gauge and knob, for 17- and 34-liter calibration cylinders 81-1103RK Calibration cup 82-0006RK Pot adjust screwdriver, for calibration 16 • 65-2391RK CO Transmitter 1.888.610.7664 www.calcert.com sales@calcert.com...

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