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RKI Instruments 35-3001A-07 Operator's manual

Manual is about: Combustible Gas/Hydrogen Sulfide Sample-Draw Detector

Summary of 35-3001A-07

  • Page 1

    Www.Rkiinstruments.Com 35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector operator’s manual part number: 71-0431 revision: 0 released: 8/7/17.

  • Page 2: Warning

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector warning read and understand this instruction manual before operating detector. Improper use of the detector could result in bodily harm or death. Periodic calibration and maintenance of the detector is essential for proper operation a...

  • Page 3

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector 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 foun...

  • Page 4

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector table of contents overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 5

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector • 1 overview this operator’s manual describes the 35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector. This manual also describes how to install, start up, maintain, and calibrate the sample- draw detector when using it ...

  • Page 6

    2 • 35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector description this section describes the components of the combustible gas/hydrogen sulfide sample-draw detector. Figure 1: combustible gas/hydrogen sulfide sample-draw detector component location mo un ti ng fo ot, 4 x b _ le l a m...

  • Page 7

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector • 3 external components this section describes the sample-draw detector’s external components. Housing the sample-draw detector’s fiberglass housing is weather- and corrosion-resistant. It is suitable for installation where general pu...

  • Page 8

    4 • 35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector main circuit board the main circuit board includes the detector/amp terminal strip, interconnect terminal strip, oxygen sensor terminal strip, pump connector, and flowmeter circuit board connector (see figure 1). Detector/amp term...

  • Page 9

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector • 5 sensor flow control valve the sensor flow control valve is mounted to the flowmeter circuit board above the flowmeter. The sensor flow control valve adjusts the flow rate to the detector. Turn the valve’s knob clockwise to increas...

  • Page 10

    6 • 35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector lel amplifier the lel amplifier converts the electrical output from the combustible gas sensor to a 4 to 20 ma signal that corresponds to the detection range and transmits the signal to a gas monitoring controller. A label on the ...

  • Page 11

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector • 7 hydrogen sulfide sensor/h 2 s amplifier the hydrogen sulfide sensor is a plug-in sensor that plugs into the back of the h 2 s amplifier. The sensor and amplifier are retained in the flow block by two screws. The flow block is moun...

  • Page 12

    8 • 35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector installation this section describes procedures to mount the sample-draw detector in the monitoring environment and wire the sample-draw detector to a controller. Mounting the sample-draw detector 1. Select the mounting site. Consi...

  • Page 13

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector • 9 2. Close and latch the housing door. Note: the sample-draw detector is shipped with the mounting feet “tucked under” the housing to protect the mounting feet during shipment. 3. Slightly loosen the screw that secures the mounting ...

  • Page 14

    10 • 35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector 3. Hand tighten the nut on the inlet fitting so the ferrules clamp on the tubing. If the tube nut is removed, see figure 7 for the arrangement of the fitting components. 4. Route tubing from the inlet fitting to the sample area. ...

  • Page 15

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector • 11 8. Connect the wires to the applicable detector/transmitter terminal strip at the controller as shown in figure 6. Refer to the controller operator’s manual and the controller detector head specification sheet for the 35-3001a-07...

  • Page 16

    12 • 35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector start up this section describes procedures to start up the sample-draw detector and place the sample-draw detector into normal operation. Introducing incoming power 1. Complete the installation procedures described earlier in thi...

  • Page 17

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector • 13 reading is not 0 %lel for the combustible gas channel or 0 ppm for the h 2 s channel, continue with step 3. 3. Perform a zero (fresh air) operation at the controller. See “calibration, lel sensor” on page 21 and “calibration, h 2...

  • Page 18

    14 • 35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector 3. Open the housing door, then plug the voltmeter leads into the test points on the lel amplifier. Plug the positive lead into the red (+) test point; plug the negative lead into the black (-) test point. 4. Use the following for...

  • Page 19

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector • 15 quarterly calibration calibrate the sample-draw detector as described in “calibration, lel sensor” on page 21 and “calibration, h 2 s sensor” on page 23. Troubleshooting the troubleshooting guide describes symptoms, probable caus...

  • Page 20

    16 • 35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector recommended action 1. Verify that the calibration cylinder contains an adequate supply of a fresh test sample. 2. If a demand flow regulator calibration kit is used, use a different demand flow regulator to determine if the origi...

  • Page 21

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector • 17 7. Install the new amplifier in the same orientation as the old amplifier. See figure 1. 8. Reinstall the screw, lock washer, and flat washer you removed in step 5. 9. Install the detector and controller plug-in terminals strips ...

  • Page 22

    18 • 35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector 7. Place the sensor and amplifier in the h 2 s sensor cavity. 8. Secure the h 2 s amplifier on the flow block with the two screws you removed in step 4. 9. Close and latch the housing door. 10. Turn on power to the controller. 11...

  • Page 23

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector • 19 6. Turn on power to the controller. 7. Turn on the controller. 8. Verify that the flow rate is approximately 1.0 scfh, then close the housing door. Replacing the particle filter 1. Turn off the controller. 2. Turn off power to th...

  • Page 24

    20 • 35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector removing the particle filter’s tubing stub, if necessary a short tubing stub comes factory installed in the particle filter. It is used for connecting the particle filter to the inlet fitting. If you have installed the particle f...

  • Page 25

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector • 21 calibration frequency although there is no particular calibration frequency that is correct for all applications, a calibration frequency of every 3 months is adequate for most sample draw detector applications. Unless experience...

  • Page 26

    22 • 35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector setting the zero reading 1. Connect the sample tubing from the demand flow regulator to the sample-draw detector’s inlet line. This step is not necessary if you verified a fresh air environment earlier in this procedure. 2. Allow...

  • Page 27

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector • 23 calibration, h 2 s sensor this section describes how to calibrate the h 2 s sensor in the sample-draw detector. It includes procedures to prepare for calibration, set the zero reading, set the response reading, and return to norm...

  • Page 28

    24 • 35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector setting the response reading 1. Screw the demand flow regulator onto the hydrogen sulfide calibration cylinder. 2. Connect the sample tubing from the regulator to the inlet line. 3. Allow the sample-draw detector to draw the cali...

  • Page 29

    35-3001a-07 combustible gas/hydrogen sulfide sample-draw detector • 25 parts list table 4 lists replacement parts and accessories for the sample-draw detector. Table 4: parts list part number description 06-1248rk sample tubing, 3/16” id x 5/16” od, specify length 06-1248rk-03 sample tubing, 3/16” i...