Related Manuals for RKI Instruments 35-3010RK-06-02
Summary of Contents for RKI Instruments 35-3010RK-06-02
- Page 1 35-3010RK-06-02 Sample-Draw Detector Part Number: 71-0203RK Revision: B Released: 9/10/12 rkiinstruments.com...
- Page 2 Typical calibration frequencies for most applications are between 3 and 6 months, but can be required more often or less often based on your usage. 35-3010RK-06-02 Sample-Draw Detector...
- 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.
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Page 4: Table Of Contents
Parts List ..............22 35-3010RK-06-02 Sample-Draw Detector... -
Page 5: Overview
WARNING: When using the 35-3010RK-06-02, you must follow the instructions and warnings in this manual to assure proper and safe operation of the 35-3010RK-06-02 and to minimize the risk of personal injury. Be sure to maintain and periodically calibrate the 35-3010RK-06-02 as described in this manual. -
Page 6: Description
Use the two conduit hubs on the bottom of the housing to make wiring connections. An aluminum subpanel is mounted to the interior of the housing. The sample-draw detector’s internal components are mounted to the subpanel. 2 • 35-3010RK-06-02 Sample-Draw Detector... -
Page 7: Flow System
It prevents water and other liquids from contaminating the flow system. Replace the filter when it appears dirty, discolored, or clogged. If a liquid other than water is drawn into the filter, replace the filter as soon as possible. 35-3010RK-06-02 Sample-Draw Detector • 3... - Page 8 CO and oxygen channels and the 4-20 mA signal for the CO channel. This causes a downscale reading at the monitor on these channel. The low flow level is factory-set at 0.6 SCFH (±0.2 SCFH). 4 • 35-3010RK-06-02 Sample-Draw Detector...
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Page 9: Detection System
CO sensor signal and the one of the right is for the H S sensor signal. Since there is no H S channel, the cable on the right is not used. 35-3010RK-06-02 Sample-Draw Detector • 5... - Page 10 NOTE: The sensors and transmitters are factory wired to the sensor/transmitter terminal strip. See “Wiring the Sample-Draw Detector to a Controller” on page 9 for all wiring procedures related to the sample-draw detector. 6 • 35-3010RK-06-02 Sample-Draw Detector...
- Page 11 A small reset button is located in the upper left corner of the main PCB. 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 reset switch for about 2 seconds, then release. 35-3010RK-06-02 Sample-Draw Detector • 7...
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Page 12: Installation
Slightly loosen the screw that secures one of the mounting feet to the housing, then rotate the mounting foot 180 degrees. Tighten the screw that secures the mounting foot to the housing. Repeat steps 3 and 4 for the remaining three mounting feet. 8 • 35-3010RK-06-02 Sample-Draw Detector... -
Page 13: Connecting The Sample Lines To The Sample-Draw Detector
Figure 5. Refer to the controller’s operator’s manual for the controller’s detector/transmitter’s terminal designations. The CO and oxygen detector channels are direct connect and the CO channel is a 4 - 20 mA transmitter. 35-3010RK-06-02 Sample-Draw Detector • 9... - Page 14 + (W ) Terminals Figure 5: External (Field) Wiring, Sample-Draw Detector NOTE: The terminals on RKI controllers used for the CO direct connect configuration are the same ones used for an LEL detector and are labeled “LEL”. 10 • 35-3010RK-06-02 Sample-Draw Detector...
- Page 15 W hite Oxygen Sensor IR CO2 Sensor Connector CO & H2S S ensors P lug Into Dumm y Far Side of Pream p Plug Circuit Board IR CO2 Sensor Figure 6: Internal (Factory) Wiring, Sample-Draw Detector 35-3010RK-06-02 Sample-Draw Detector • 11...
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Page 16: Start Up
100 mV (± 2 mV). Verify a display reading at the controller of the background concentration of CO Typical background concentrations of CO vary from about 200 to 400 ppm depending on location. 12 • 35-3010RK-06-02 Sample-Draw Detector... -
Page 17: Operation
If necessary use the bypass valve or flow adjust potentiometer to adjust the flow rate to 1.2 SCFH. Verify a reading of 20.9% for the oxygen channel, 0 ppm for the CO channel (100 mV 35-3010RK-06-02 Sample-Draw Detector • 13... -
Page 18: Troubleshooting
The troubleshooting guide describes symptoms, probable causes, and recommended action for problems you may encounter with the sample-draw gas detector. NOTE: This troubleshooting guide describes sample-draw detector problems only. See the instruction manual for the monitoring device if it exhibits any problems. 14 • 35-3010RK-06-02 Sample-Draw Detector... - Page 19 If the fail condition continues, replace the sensor from the problem channel or channels as described later in this section. If the fail condition continues, contact RKI Instruments, Inc. for further instruction. Slow or No Response/Difficult or Unable to Calibrate Symptoms •...
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Page 20: Replacing Components Of The Sample-Draw Detector
If the calibration/response difficulties continue, replace the sensor as described later in this section. If the calibration/response difficulties continue, contact RKI Instruments, Inc. for further instruction. Replacing Components of the Sample-Draw Detector This section includes procedures to replace the oxygen sensor, the carbon monoxide sensor, the carbon dioxide sensor, the hydrophobic filter, and the charcoal filter. -
Page 21: Adjusting The Low Flow Setting
Verify that the low flow alarm is 0.6 SCFH (±0.2). Repeat steps 3 and 4 if necessary. Use the flow adjust potentiometer (VR1) to set the flow to 1.2 SCFH. Make sure the sample-draw detector’s Fail light is off. 35-3010RK-06-02 Sample-Draw Detector • 17... -
Page 22: Calibration Frequency
6 months for most infrared CO applications. Unless experience in a particular application dictates otherwise, RKI Instruments, Inc. recommends a calibration frequency of every 3 months for the oxygen and CO detectors and every 6 months for the infrared CO detector. -
Page 23: Setting The Zero Reading
Wait 1 to 2 minutes to allow the calibration gas to be drawn out and the reading to stabilize. Close the housing door. Store the components of the calibration kit in a safe and convenient place. 35-3010RK-06-02 Sample-Draw Detector • 19... -
Page 24: Calibration, Co 2 Detector
Allow the gas to flow for one minute. Set the response (span) reading according to the controller operator’s manual to match the calibration gas concentration. Disconnect the sample tubing from the inlet line. Unscrew the regulator from the calibration cylinder. 20 • 35-3010RK-06-02 Sample-Draw Detector... -
Page 25: Returning To Normal Operation
Keep in mind that the oxygen concentration in that cylinder is 12%, not 0%. Be sure to set the controller appropriately. Screw the regulator into the 3-gas calibration cylinder. Connect the calibration kit sample tubing to the regulator. 35-3010RK-06-02 Sample-Draw Detector • 21... -
Page 26: Returning To Normal Operation
3-gas calibration cylinder, 50% LEL methane/12% oxygen/50 ppm CO, 34 liter 81-1055RK Regulator, demand flow, for 17 and 34 liter steel cylinders 81-5316RK01DLV Calibration kit with 3-gas mix and 2,000 ppm CO in nitrogen ES-1531-CO CO sensor 22 • 35-3010RK-06-02 Sample-Draw Detector...
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