RKI Instruments 35-3010RKA-07 Manual Download Page 1

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35-3010RKA-07 Sample-Draw

Detector

Part Number: 71-0220RK

Revision: C

Released: 6/5/17

Summary of Contents for 35-3010RKA-07

Page 1: ...www rkiinstruments com 35 3010RKA 07 Sample Draw Detector Part Number 71 0220RK Revision C Released 6 5 17...

Page 2: ...ic calibration and maintenance of the detector is essential for proper operation and correct readings Please calibrate and maintain this detector regularly Frequency of calibration depends upon the ty...

Page 3: ...ement costs local repair costs transportation costs or contingent expenses incurred without our prior approval THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY AND ALL OTHER WARRANTIES AND REPRESENTATIONS EX...

Page 4: ...ading 13 Operation 14 Normal Operation 14 Low Flow Alarm 14 Maintenance 14 Preventive Maintenance 14 Troubleshooting 15 Replacing Components of the Sample Draw Detector 17 Adjusting the Low Flow Setti...

Page 5: ...the 35 3010RKA 07 and to minimize the risk of personal injury Be sure to maintain and periodically calibrate the 35 3010RKA 07 as described in this manual Table 1 Specifications Target Gases Detection...

Page 6: ...r 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 m...

Page 7: ...nter the sample draw detector The INLET fitting accepts 1 4 in rigid tubing See Installation on page 9 for instructions to connect tubing to the INLET fitting Hydrophobic Filter The hydrophobic filter...

Page 8: ...r Although the sample draw detector will operate down to a flow of 0 6 SCFH the optimum flow rate is 1 2 SCFH Bypass Valve The bypass valve is to the left of the flowmeter The bypass valve adjusts the...

Page 9: ...mates to it and retains it in the block The cable is wired to the main PCB Oxygen Sensor The oxygen sensor is installed in the lower right of the larger flow block It consists of a cylindrical body wh...

Page 10: ...is to the left of the detector terminal strip and below the span pot The transmitter included with the sample draw detector is designed for use with RKI s oxygen and toxic gas sensors The transmitter...

Page 11: ...interconnect terminal strip is the sixteen point terminal strip near the bottom edge of the main circuit board Use the interconnect terminal strip to connect the sample draw detector to power and an...

Page 12: ...is available at the CO test points Pump Terminal Strip The pump terminal strip is the four point terminal in the top left corner of the circuit board Use the pump terminal strip to connect the pump a...

Page 13: ...ions at the right of the housing Make sure there is sufficient room to perform start up maintenance and calibration procedures Figure 5 Mounting the Sample Draw Detector 2 Close and latch the housing...

Page 14: ...isperse Wiring the Sample Draw Detector WARNING Always verify that the power source is OFF before you make wiring connections 1 Turn off the controller 2 Turn off or unplug incoming power to the contr...

Page 15: ...le Draw Detector LEL Controller Transmitter Terminals Interconnect Terminal Strip 4 20 Feedback 24 VDC 24 VDC 4 20 Feedback H2S Controller Transmitter Terminals Oxygen Controller Transmitter Terminals...

Page 16: ...2 0 F B T P BATT T P CO Not Used H2S Pressure Switch Factory W ired Pum p Factory W ired Green W hite Red IR LEL Sensor Connector IR LEL Detector Green Black H2S Sensor Plugs Into Far Side of Preamp C...

Page 17: ...line press the pump reset switch and verify the flowmeter returns to a normal flow rate Setting the Zero Reading CAUTION If you suspect the presence of combustible gas hydrogen sulfide or an abnormal...

Page 18: ...reduced flow correct it and restart the pump with the pump reset switch A flow reduction can be caused by a flow blockage a leak in the flow system a malfunctioning pressure switch or a malfunctioning...

Page 19: ...ration tubing from the regulator to the inlet line at or near the INLET fitting Gas will begin to flow 3 After approximately one minute verify that the reading for each channel at the controller stabi...

Page 20: ...owly or does not respond during the monthly response test Unable to accurately set the zero or response reading on one or more of the channels during the calibration procedure One or more of the senso...

Page 21: ...ket that leads from the sensor 5 Plug the socket of the replacement sensor into the connector 6 Place the sensor in the oxygen sensor cavity then position the retaining plate on the two standoffs 7 Se...

Page 22: ...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 1 Use the flow adjust potentiometer VR1...

Page 23: ...libration cylinder Preparing for Calibration CAUTION This procedure may cause alarms at the controller Take appropriate action to avoid this such as entering the calibration mode at the controller 1 O...

Page 24: ...e 4 gas calibration cylinder 2 Connect the sample tubing from the regulator to the inlet line at or near the sample draw detector s INLET fitting 3 Allow the calibration gas to flow for one minute 4 C...

Page 25: ...ug the negative lead into the test point labeled TP 4 Use the following formula to determine the correct test points output for the calibrating sample Output mV calibrating sample fullscale X 400 100...

Page 26: ...om the regulator to the inlet line at or near the INLET fitting 4 Allow the gas to flow for one minute 5 Verify a voltmeter reading of 434 mV 2 mV at the test points as described in the Preparing for...

Page 27: ...7 0034RK Sealing gasket for H2S flow block cavity 30 0610RK Pump 33 0171RK Hydrophobic filter AcroPak 33 6095RK Charcoal filter CF 188 61 5039RK CH4 Infrared CH4 sensor 0 100 LEL 65 0601RK Oxygen sens...