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Summary of Contents for RKI Instruments 35-3010RK-05
- Page 1 35-3010RK-05 Sample Draw Detector Part Number: 71-0210RK Revision: C Released: 6/5/17 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. 35-3010RK-05 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 ..............20 35-3010RK-05 Sample-Draw Detector... -
Page 5: Overview
WARNING: When using the 35-3010RK-05, you must follow the instructions and warnings in this manual to assure proper and safe operation of the 35-3010RK-05 and to minimize the risk of personal injury. Be sure to maintain and periodically calibrate the 35-3010RK-05 as described in this manual. -
Page 6: Description
Description This section describes the components of the . The 35-3010RK-05 sample draw detector head sample draw detector consists of the housing, flow system, and detection system. Hydrophobic Charcoal Filter Main Circuit Board Filter (AcroPak) Reset Switch Amp 1 Amp 2... -
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-05 Sample-Draw Detector • 3... - Page 8 4-20 mA signal for CO channel. 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). 4 • 35-3010RK-05 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 the H S sensor is replaced with a dummy plug in the 35-3010RK-05 the H sensor signal cable carries no signal in this version of the 35-3010RK. 35-3010RK-05 Sample-Draw Detector • 5... - Page 10 NOTE: The sensors are factory wired to the sensor/transmitter terminal strip. See “Wiring the Sample Draw Detector” on page 9 for all wiring procedures related to the sample draw detector. 6 • 35-3010RK-05 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-05 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 (see Figure 4). 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-05 Sample-Draw Detector... -
Page 13: 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. RKI controllers typically have a ground stud that can be used to ground the cable’s drain wire. 35-3010RK-05 Sample-Draw Detector • 9... - Page 14 Sample Draw Housing Main Circuit Board Interconnect T erm inal Strip Controller Oxygen + (W ) Terminals 24 VDC + Controller Transmitter S (4/20 mA) Terminals 24 VDC - Figure 5: External (Field) Wiring, Sample Draw Detector 10 • 35-3010RK-05 Sample-Draw Detector...
- Page 15 Pump Pressure Switch Factory Factory Wired Wired Green White Oxygen Sensor CO Sensor Plugs Into (Not Far Side of Preamp Used) Circuit Board Figure 6: Internal (Factory) Wiring, Sample Draw Detector 35-3010RK-05 Sample-Draw Detector • 11...
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Page 16: Start Up
Verify a reading of 20.9% oxygen at the controller. If the display reading is 20.9% oxygen, the oxygen detector is in normal operation. If the display reading is not 20.9% oxygen, perform a fresh air adjustment operation at 12 • 35-3010RK-05 Sample-Draw Detector... -
Page 17: Operation
Preparing for the response test CAUTION: This procedure may cause alarms at the controller. Take appropriate action to avoid this, such as entering the calibration mode at the controller or disabling alarms. 35-3010RK-05 Sample-Draw Detector • 13... -
Page 18: Troubleshooting
Recommended Action At the sample draw detector, set the correct flow rate with the bypass valve or flow adjust potentiometer. If you cannot set the correct flow rate, check the sample lines for obstructions or kinks. 14 • 35-3010RK-05 Sample-Draw Detector... -
Page 19: Replacing Components Of The Sample-Draw Detector
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 •... -
Page 20: Adjusting The Low Flow Setting
Place the new charcoal filter back into the metal clamp. Adjusting the Low Flow Setting The factory-set low flow setting is 0.6 SCFH (±0.2). To adjust the low flow setting: Use the flow adjust potentiometer (VR1) to set the flow to 0.6 SCFH. 16 • 35-3010RK-05 Sample-Draw Detector... -
Page 21: Calibration Frequency
NOTE: The 3-gas calibration cylinder included in the calibration kit may be used to zero the oxygen channel. 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. 35-3010RK-05 Sample-Draw Detector • 17... -
Page 22: Setting The Zero Reading
NOTE: This procedure describes calibration using a demand flow regulator, a zero air calibration cylinder, and a 3-gas calibration cylinder. 18 • 35-3010RK-05 Sample-Draw Detector... -
Page 23: Preparing For Calibration
If necessary, use the AMP 1 span pot to adjust the reading to match the correct response reading. Disconnect the sample tubing from the sample draw detector’s inlet line. Unscrew the regulator from the calibration cylinder. 35-3010RK-05 Sample-Draw Detector • 19... -
Page 24: Returning To Normal Operation
Oxygen sensor 81-0076RK-01 Zero air calibration cylinder (34 liter) 81-0090RK-01 3-gas calibration gas cylinder, 50% LEL methane/12% oxygen/50 ppm CO, 34 liter 81-0155RK Regulator, demand flow, for 17 and 34 liter steel cylinders ES-1531-CO CO sensor 20 • 35-3010RK-05 Sample-Draw Detector...
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