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Summary of Contents for RKI Instruments 35-3010A-09
- Page 1 35-3010A-09 Sample-Draw Detector Part Number: 71-0351 Revision: P1 Released: 1/9/15 www.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. 35-3010A-09 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 ..............23 35-3010A-09 Sample-Draw Detector... -
Page 5: Overview
WARNING: When using the 35-3010A-09, you must follow the instructions and warnings in this manual to assure proper and safe operation of the 35-3010A-09 and to minimize the risk of personal injury. Be sure to maintain and periodically calibrate the 35-3010A-09 as described in this manual. -
Page 6: Description
Four mounting feet are attached to the back of the housing (one at each corner). Use the mounting feet to install the housing to a vertical surface. Use the two conduit hubs on the 2 • 35-3010A-09 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. 35-3010A-09 Sample-Draw Detector • 3... - Page 8 This causes a downscale reading at the monitor on these channels. The low flow level is factory-set at 0.6 SCFH (±0.2 SCFH). NOTE: There is no low flow indication for the CH or oxygen channels. 4 • 35-3010A-09 Sample-Draw Detector...
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Page 9: Detection System
The CO sensor position in the flow block is occupied by a plastic dummy plug in the 35-3010A-09. Hydrogen Sulfide Gas Sensor The H S sensor position in the flow block is occupied by a plastic dummy plug in the 35-3010A-09. 35-3010A-09 Sample-Draw Detector • 5... - Page 10 The test points are located on the left side of the transmitter and are labeled TP+ and TP-. A 100 mV - 500 mV output is available at these test points for use during calibration. 6 • 35-3010A-09 Sample-Draw Detector...
- Page 11 The test points are located on the top of the transmitter on either side of the transmitter interconnect terminal strip. They are labeled TP+ and TP-. A 100 mV - 500 mV output is available at these test points for use during calibration. 35-3010A-09 Sample-Draw Detector • 7...
- Page 12 CO sensor signal and the one on the right is for the H S sensor signal. Since the CO and H S sensors are replaced with a dummy plug in the 35-3010A-09 the CO and H S sensor signal cables carry no signal in this version of the 35-3010RK.
- Page 13 H S channels which will cause a downscale reading at the controller or recording device. The 35-3010A-09 does not have a CO or H S sensor installed so the relay has no effect in this version of the 35-3010RK.
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Page 14: Installation
NOTE: The sample-draw detector is shipped with the mounting feet “tucked under” the housing to protect the mounting feet during shipment. Slightly loosen the screw that secures one of the mounting feet to the housing, then rotate the mounting foot 180 degrees (see Figure 6). 10 • 35-3010A-09 Sample-Draw Detector... -
Page 15: Connecting The Sample Lines To The Sample-Draw Detector
CAUTION: Leave the cable shield drain wire insulated and disconnected at the sample-draw detector. You will connect the opposite end of the drain wire at the controller. Route the cable or wires in conduit leading from the sample-draw detector to the controller. 35-3010A-09 Sample-Draw Detector • 11... - Page 16 LEL (C on tro lle r 24 VD C (Controller Transm itt er Tra nsmitter 24 VD C Te rm inals) 4-2 0 ( Fe ed ba ck) Te rm inals) Figure 7: External (Field) Wiring, Sample-Draw Detector 12 • 35-3010A-09 Sample-Draw Detector...
- Page 17 CO an d H2 S S en so rs Pl ug I nto (Not ( Not Far S ide of P r eamp Use d) Used) Circui t B oard Figure 8: Internal (Factory) Wiring, Sample-Draw Detector 35-3010A-09 Sample-Draw Detector • 13...
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Page 18: Start Up
If necessary, use a small flat-blade screwdriver to adjust the CH transmitter’s zero pot until the voltmeter reading is 100 mV (± 2 mV). Verify a voltmeter reading of 434 mV (± 2 mV) at the oxygen transmitter. 14 • 35-3010A-09 Sample-Draw Detector... -
Page 19: Operation
Verify a reading of 0% volume for the IR CH channel (100 mV at the CH transmitter test points) and 20.9% for the oxygen channel (434 mV at the oxygen transmitter test points). Investigate significant changes in the reading. 35-3010A-09 Sample-Draw Detector • 15... -
Page 20: 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 controller if it exhibits any problems. 16 • 35-3010A-09 Sample-Draw Detector... - Page 21 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 22: 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 sensors, the hydrophobic filter, and the charcoal filter. -
Page 23: Adjusting The Low Flow Setting
Replacing the Charcoal Filter NOTE: The charcoal filter does not normally need to be replaced in the 35-3010A-09 because it does not include a CO sensor. Turn off or unplug power to the controller. Locate the charcoal filter. It is located along the upper edge of the detector housing. -
Page 24: Calibration, Ir Ch 4 Detector
100 mV ± 2 mV. Disconnect the sample tubing from the inlet line. Unscrew the regulator from the zero air calibration cylinder. Leave the sample tubing connected to the regulator. 20 • 35-3010A-09 Sample-Draw Detector... -
Page 25: Setting The Response Reading
Set a voltmeter to measure in the millivolt (mV) range. Plug the voltmeter into the test points on the oxygen transmitter. Plug the positive lead into the test point labeled TP+; plug the negative lead into the test point labeled TP-. 35-3010A-09 Sample-Draw Detector • 21... -
Page 26: 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. 22 • 35-3010A-09 Sample-Draw Detector... -
Page 27: Parts List
Zero air calibration cylinder, 34 liter 81-0078RK-01 Calibration cylinder, 100% nitrogen, 34 liter 81-0078RK-03 Calibration cylinder, 100% nitrogen, 103 liter 81-1054RK Regulator, demand flow, for 58- and 103-liter steel cylinders 81-1055RK Regulator, demand flow, for 17- and 34-liter steel cylinders 35-3010A-09 Sample-Draw Detector • 23...
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