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Summary of Contents for RKI Instruments 35-3010RKA-06
- Page 1 35-3010RKA-06 Sample-Draw Detector Part Number: 71-0207RK Revision: E Released: 6/5/17 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. 35-3010RKA-06 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 ..............21 35-3010RKA-06 Sample-Draw Detector... -
Page 5: Overview
WARNING: When using the 35-3010RKA-06, you must follow the instructions and warnings in this manual to assure proper and safe operation of the 35-3010RKA-06 and to minimize the risk of personal injury. Be sure to maintain and periodically calibrate the 35-3010RKA-06 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 bottom of the housing to make wiring connections. 2 • 35-3010RKA-06 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. 35-3010RKA-06 Sample-Draw Detector • 3... - Page 8 S channel. This causes a downscale reading at the monitor on this channel. The low flow level is factory-set at 0.6 SCFH (±0.2 SCFH). NOTE: There is no low flow indication for the LEL channel. 4 • 35-3010RKA-06 Sample-Draw Detector...
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Page 9: Detection System
Oxygen Sensor The oxygen sensor is installed in the lower right of the flow block. In the 35-3010RKA-06, the oxygen sensor position in the flow block is occupied by a dummy sensor. - Page 10 CO sensor signal and the one of the right is for the H S sensor signal. Since there is no CO channel, the cable on the left is not used. 6 • 35-3010RKA-06 Sample-Draw Detector...
- Page 11 NOTE: The sensors and transmitters are factory wired to the sensor/transmitter terminal strip. See “Wiring the Sample-Draw Detector” on page 10 for all wiring procedures related to the sample-draw detector. 35-3010RKA-06 Sample-Draw Detector • 7...
- Page 12 4-20 mA signal from the H channel which will cause a downscale reading at the controller or recording device. NOTE: There is no flow fail indication for the LEL channel on the 35-3010RKA-06 Sample Draw Detector.
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Page 13: 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. 35-3010RKA-06 Sample-Draw Detector • 9... -
Page 14: Connecting The Sample Lines To The Sample-Draw Detector
Route the cable or wires in conduit leading from the sample-draw detector to the controller. Connect the drain wire to an available chassis ground at the controller end. RKI controllers typically have a ground stud that can be used to ground the cable’s drain wire. 10 • 35-3010RKA-06 Sample-Draw Detector... - Page 15 Sample Draw Housing Main Circuit Board Reset Switch Interconnect Terminal Strip 4/20 (Feedback) (Controller Transmitter 24 VDC Terminals) 24 VDC + (Controller Transmitter 4/20 (Feedback) Terminals) Figure 6: External (Field) Wiring, Sample-Draw Detector 35-3010RKA-06 Sample-Draw Detector • 11...
- Page 16 D etect or H 2S S ensor P lugs Into (N ot H 2S Far S ide of P ream p U sed) C irc uit B oard Figure 7: Internal (Factory) Wiring, Sample-Draw Detector 12 • 35-3010RKA-06 Sample-Draw Detector...
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Page 17: Start Up
Verify a voltmeter reading of 100 mV (± 2 mV). If necessary, use a small flat-blade screwdriver to adjust the zero pot until the voltmeter reading is 100 mV (± 2 mV). Close the housing door. 35-3010RKA-06 Sample-Draw Detector • 13... -
Page 18: Operation
A flow reduction can be caused by a flow blockage, a leak in the flow system, a malfunctioning pressure switch, or a malfunctioning pump. NOTE: There is no flow fail indication for the LEL channel on the 35-3010RKA-06. Maintenance This section describes maintenance procedures. It includes preventive maintenance procedures. -
Page 19: Troubleshooting
• The controller is operating properly but indicates a reading well below zero on one or more channels. Probable Causes • The sample-draw detector’s flow rate is too low because of an obstructed sample line, 35-3010RKA-06 Sample-Draw Detector • 15... - Page 20 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 21: Replacing Components Of The Sample-Draw Detector
Remove the rubber seals from each end of the hydrophobic filter and remove the filter. Place the new hydrophobic filter in the same orientation as the one that was removed. Place the new hydrophobic filter back into the metal clamp. 35-3010RKA-06 Sample-Draw Detector • 17... -
Page 22: Adjusting The Low Flow Setting
Replacing the Charcoal Filter NOTE: The charcoal filter does not normally need to be replaced in the 35-3010RKA-06 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 23: Calibration
Verify a voltmeter reading of 100 mV ± 2 mV at the test points for each channel as described in the Preparing for Calibration section above. If necessary, use a small flat-blade screwdriver to adjust the zero pot for the appropriate channel until the voltmeter reading is 100 mV ± 2 mV. 35-3010RKA-06 Sample-Draw Detector • 19... -
Page 24: Setting The Response Reading
Wait 1 to 2 minutes to allow the calibration gas to be drawn out and the readings to stabilize. Close the housing door. Store the components of the calibration kit in a safe and convenient place. 20 • 35-3010RKA-06 Sample-Draw Detector... -
Page 25: Parts List
Zero air calibration cylinder (34 liter) 81-0154RK-04 4-gas calibration gas cylinder, 50% LEL methane/12% oxygen/50 ppm CO/25 ppm H2S, 34 liter 81-1055RK Regulator, demand flow, for 17 and 34 liter steel cylinders ES-1537-H2S S sensor NC-6245 Combustible sensor 35-3010RKA-06 Sample-Draw Detector • 21...
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