RKI Instruments 35-3001A-01-02 Operator'S Manual Download Page 1

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35-3001A-01-02

Combustible Gas Sample-Draw Detector

Operator’s Manual

Part Number: 71-0328

Revision: A

Released: 8/7/17

Summary of Contents for 35-3001A-01-02

Page 1: ...www rkiinstruments com 35 3001A 01 02 Combustible Gas Sample Draw Detector Operator s Manual Part Number 71 0328 Revision A Released 8 7 17...

Page 2: ...h Periodic 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 upo...

Page 3: ...or replacement 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 REPRESENT...

Page 4: ...Sample Draw Detector to a Controller 9 Start Up 11 Introducing Incoming Power 11 Setting the Zero Reading 11 Maintenance 12 Preventive Maintenance 12 Troubleshooting 13 Replacing Components of the Co...

Page 5: ...operation of the 35 3001A 01 02 and to minimize the risk of personal injury Be sure to maintain and periodically calibrate the 35 3001A 01 02 as described in this manual Table 1 Specifications Target...

Page 6: ...A IR HC Sensor PCB IR HC Flow Block Pump Connector IR Amplifier W L EL G B R Pilot LED Fail LED Sensor Flow Control Valve W Interconnect Terminal Strip Pump Reset Switch Flowmeter B G AMP 2 S S AMP 1...

Page 7: ...ample fittings accept 1 4 in rigid tubing See the Installation section on page 7 to connect tubing to the sample fittings Particle Filter A particle filter with a tubing stub on one end is shipped wit...

Page 8: ...right corner of the main circuit board Use the pump connector to connect the pump to the main circuit board NOTE The pump is factory wired to the main circuit board See Installation on page 7 for all...

Page 9: ...d start the pump again press and hold the pump reset switch for about 2 seconds then release Hydrophobic Filter The hydrophobic filter is located toward the bottom left of the main circuit board The f...

Page 10: ...d adjust the amplifier s gas response output during the calibration procedure Turn the adjustment screw clockwise to increase the span output and counterclockwise to decrease the span output CAUTION T...

Page 11: ...the following when you select the mounting site Is there enough room to open the housing door and make wiring and tubing connections at the bottom of the housing Make sure there is sufficient room to...

Page 12: ...tting components 4 Connect a length of sample tubing to the other side of the particle filter and route it to the sampling area 1 4 O D rigid polypropylene Teflon or flexible polyurethane tubing may b...

Page 13: ...t to seal the connection between the tubing and the inlet fitting 3 Hand tighten the nut on the exhaust fitting so the ferrules clamp on the tubing If the tube nut is removed see Figure 6 for the arra...

Page 14: ...Wiring the Sample Draw Detector to a Controller 9 If shielded cable is used connect the cable s drain wire to an available chassis earth ground at the controller RKI controllers typically have a grou...

Page 15: ...ing this test 7 Verify that the incoming sample line is not leaking To test the sample line press and hold the reset switch and plug the open end of the sample line with your thumb If the flowmeter ba...

Page 16: ...a display reading of 0 LEL at the controller or a reading of 100 mV at the amplifier test points Investigate significant changes in the display reading Monthly Response Test This procedure describes...

Page 17: ...safe place Biannual Calibration Calibrate the sample draw detector as described in Calibration on page 18 Troubleshooting The troubleshooting guide describes symptoms probable causes and recommended...

Page 18: ...e a different demand flow regulator to determine if the original one is functioning properly 3 If necessary set the correct flow rate with the sensor flow control valve 4 If you cannot set the correct...

Page 19: ...ier from the main circuit board 7 Install the new amplifier in the same orientation as the old amplifier See Figure 1 8 Reinstall the screw lock washer and flat washer you removed in step 5 9 Install...

Page 20: ...from the particle filter 2 Disconnect the particle filter from the tubing stub 3 Install the new particle filter onto the tubing stub Be sure the arrow on the particle filter is pointing toward the in...

Page 21: ...clockwise Repeat steps 3 and 4 if necessary 5 Use the sensor flow control valve to set the flow to 1 0 SCFH 6 Make sure the sample draw detector s Fail LED is off Removing the Particle Filter s Tubing...

Page 22: ...libration frequency of every 6 months If an application is not very demanding for example detection in a clean temperature controlled environment where calibration adjustments are minimal at calibrati...

Page 23: ...o the next section Setting the Response Reading 5 Disconnect the sample tubing from the inlet line 6 Unscrew the regulator from the zero air calibration cylinder Setting the Response Reading 1 Screw t...

Page 24: ...K Pump 33 0165RK Hydrophobic filter 33 0167RK Particle filter 57 1053RK 10 Amplifier 61 5039RK HC Infrared HC sensor plug in type LEL range 71 0328 Operator s Manual 35 3001A 01 02 Sample Draw Detecto...