RKI Instruments 35-3010RKA-08 Manual Download Page 1

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35-3010RKA-08 Sample-Draw

Detector

Part Number: 71-0321RK

Revision: 0

Released: 6/5/17

Summary of Contents for 35-3010RKA-08

Page 1: ...www rkiinstruments com 35 3010RKA 08 Sample Draw Detector Part Number 71 0321RK Revision 0 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: ...ro Reading 14 Operation 15 Normal Operation 15 Low Flow Alarm 15 Maintenance 15 Preventive Maintenance 15 Troubleshooting 16 Replacing Components of the Sample Draw Detector 18 Adjusting the Low Flow...

Page 5: ...is manual to assure proper and safe operation of the 35 3010RKA 08 and to minimize the risk of personal injury Be sure to maintain and periodically calibrate the 35 3010RKA 08 as described in this man...

Page 6: ...here general purpose equipment is in use The housing door is hinged on the left side and is secured by two latches on the right side Four mounting feet are attached to the back of the housing one at e...

Page 7: ...em Figure 2 Sample Draw Detector Flow Diagram INLET Fitting The INLET fitting on the bottom of the housing allows the gas sample to enter the sample draw detector The INLET fitting accepts 1 4 in rigi...

Page 8: ...ough 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 flow...

Page 9: ...tters preamp circuit board and the main circuit board IR CH4 Sensor The infrared CH4 sensor is installed in the smaller flow block in the lower right corner A small circuit board with a cable mates to...

Page 10: ...nse readings and the zero pot to make adjustments to the zero reading Transmitter Interconnect Terminal Strip The transmitter interconnect terminal strip is the seven point terminal strip near the rig...

Page 11: ...Strip The detector terminal strip is the four point terminal strip near the bottom edge of the transmitter It is factory wired to the transmitter Interconnect Terminal Strip The interconnect terminal...

Page 12: ...l strip sensor transmitter terminal strip amp 1 circuit amp 2 circuit pump terminal strip relay and reset switch see Figure 5 NOTE The flowmeter and status lights are mounted to the main circuit board...

Page 13: ...channel No output is available at any of the 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...

Page 14: ...m of the housing and tubing connections at the right of the housing Make sure there is sufficient room to perform start up maintenance and calibration procedures Figure 6 Outline and Mounting Dimensio...

Page 15: ...en area where the sample can safely disperse 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...

Page 16: ...7 External Field Wiring Sample Draw Detector 4 20 Feedback Interconnect Terminal Strip LEL Controller Transmitter Terminals 24 VDC 24 VDC 4 20 Feedback Reset Switch Ox ygen Controller Transmitter Term...

Page 17: ...2 0 FB T P B ATT T P Pressure Switch Factory W ired H2S Not Used CO Not Used Pump Factory W ired Green W hite Red IR LEL Sensor Connector IR LEL Detector Green Black CO and H2S Sensors Plug I nto Far...

Page 18: ...ne 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 or an abnormal oxygen condition no...

Page 19: ...ow 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 and oxygen channels...

Page 20: ...will begin to flow 3 After approximately one minute verify that the reading for the IR CH4 channel at the controller stabilizes within 20 of the concentration of the test sample If the reading is not...

Page 21: ...problem channel or channels as described later in this section 6 If the fail condition continues contact RKI Instruments Inc for further instruction Slow or No Response Difficult or Unable to Calibrat...

Page 22: ...coming power 2 Open the housing door of the sample draw detector 3 Unscrew and remove the two screws that secure the retaining plate then lift the plate connector and sensor out of the housing 4 Unplu...

Page 23: ...low flow alarm NOTE The low flow potentiometer is accessible through a circular cutout in the main circuit board The cutout is labeled PS1 3 Verify that the low flow alarm is 0 6 SCFH 0 2 Repeat step...

Page 24: ...utput mV calibrating sample fullscale X 400 100 For example with a calibrating sample of 50 LEL methane and a fullscale setting of 100 LEL the correct output for the LEL test points is 300 mV 300 mV 5...

Page 25: ...calibration kit in a safe and convenient place Calibration Oxygen Detector This section describes how to calibrate the oxygen detector in the sample draw detector It includes procedures to prepare fo...

Page 26: ...ssary to use the zero air calibration cylinder to set the zero reading 1 Screw the regulator into the zero air calibration cylinder 2 Connect the calibration kit sample tubing to the regulator 3 Conne...

Page 27: ...filter CF 188 61 5039RK CH4 Infrared CH4 sensor 0 100 LEL 65 0601RK Oxygen sensor 81 0012RK 01 Calibration cylinder 50 LEL methane in air 34 liter 81 0012RK 03 Calibration cylinder 50 LEL methane in a...