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65-2321RK Oxygen Transmitter

Table of Contents

Overview  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Oxygen Detector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Junction Box. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Mounting the Oxygen Transmitter  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Wiring the Oxygen Transmitter to a Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Introducing Incoming Power  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Verifying/Setting the Fresh Air Reading  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Preventive Maintenance  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Troubleshooting  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Replacing Components of the Oxygen Transmitter  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Calibration Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Preparing for Calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Setting the Fresh Air Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Setting the Zero Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Returning to Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

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Summary of Contents for 65-2321RK

Page 1: ...65 2321RK Oxygen Transmitter Operator s Manual Part Number 71 0175RK Revision A Released 7 3 14 www calcert com sales calcert com 1 800 544 2843 0 5 10 15 20 25 30...

Page 2: ...transmitter is essen tial for proper operation and correct readings Please calibrate and maintain this transmitter regularly Frequency of calibration depends upon the type of use you have and the sens...

Page 3: ...ortation 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 OBLI...

Page 4: ...tartup 8 Introducing Incoming Power 8 Verifying Setting the Fresh Air Reading 8 Maintenance 9 Preventive Maintenance 9 Troubleshooting 10 Replacing Components of the Oxygen Transmitter 11 Calibration...

Page 5: ...formation specific to the controller Specifications Table 1 lists specifications for the oxygen transmitter WARNING When using the 65 2321RK you must follow the instructions and warnings in this manua...

Page 6: ...ists of the oxygen detector amplifier and junction box Figure 1 Oxygen Transmitter Component Location Detector Terminal Strip Oxygen Detector J Box Amplifier Controller Terminal Strip SIG PWR ZERO SPA...

Page 7: ...cuit board with the sockets conditions the sensor s signal before the signal reaches the amplifier Housing Cap Cap Gasket The housing cap screws onto the detector housing It retains the plug in sensor...

Page 8: ...bration procedure Turn the adjustment screw clockwise to increase the zero output and counterclockwise to decrease the zero output Span Pot The span pot is located to the right of the zero pot see Fig...

Page 9: ...ent Consider the following when you select the mounting site Select a site where the transmitter is not likely to be bumped or disturbed Make sure there is sufficient room to perform start up maintena...

Page 10: ...terminal strip and connect the two wires to the terminal strip as follows see Figure 4 Connect the positive wire to the SIG PWR terminal Connect the signal wire to the SIG PWR S terminal CAUTION If s...

Page 11: ...hassis earth ground at the controller RKI controllers typically have a ground stud that can be used to ground the cable s drain wire Z ERO SP AN S SIG PWR White Green J Box Oxygen Detector Controller...

Page 12: ...ibration cup calibration gas sample tubing and a fixed flow regulator with an on off knob RKI Instruments Inc recommends using a 0 5 LPM liters per minute fixed flow regulator 1 Unscrew and remove the...

Page 13: ...fore performing this test Preparing for the response test 1 Place the controller into its calibration mode or disable external alarms 2 Verify that the controller display reading for the channel you a...

Page 14: ...m a fresh air adjustment A full calibration is recommended 4 If the fail condition continues replace the plug in sensor as described later in this section 5 If the fail condition continues contact RKI...

Page 15: ...and screw the detector housing cap back onto the detector housing body 7 Turn on power to the controller 8 Turn on the controller and place into normal operation CAUTION Allow the replacement sensor t...

Page 16: ...t and lock washers that secures the amplifier to the junction box 6 Remove the old amplifier 7 Install the new amplifier into the junction box with the screw lock washer and flat washer you removed in...

Page 17: ...recommends using a 0 5 LPM liters per minute fixed flow regulator Preparing for Calibration 1 Place the controller into its calibration mode or disable external alarms 2 Unscrew and remove the juncti...

Page 18: ...libration gas to flow for two minutes and verify a reading of 100 mV 2 mV If necessary use the zero pot on the amplifier to adjust the reading to match the correct response reading 4 Turn the regulato...

Page 19: ...bration cylinder 17 liter steel 81 0076RK 01 Zero air calibration cylinder 34 liter steel 81 0076RK 03 Zero air calibration cylinder 103 liter steel 81 0078RK 100 nitrogen calibration cylinder 17 lite...

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