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35-3001-01

Combustible Gas Sample-Draw Detector

Operator’s Manual

Part Number: 71-0282RK

Revision: A

Released: 8/3/17

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Содержание 35-3001-01

Страница 1: ...35 3001 01 Combustible Gas Sample Draw Detector Operator s Manual Part Number 71 0282RK Revision A Released 8 3 17 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Страница 2: ...he detector is essential for proper operation and correct readings Please calibrate and maintain this detector regularly Frequency of calibration depends upon the type of use you have and the sensor types 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 www GlobalTestSupply com Find Quality Products On...

Страница 3: ...nsportation costs or contingent expenses incurred without our prior approval THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY AND ALL OTHER WARRANTIES AND REPRESENTATIONS EXPRESSED OR IMPLIED AND ALL OTHER OBLIGATIONS OR LIABILITIES ON THE PART OF RKI INSTRUMENTS INC INCLUDING BUT NOT LIMITED TO THE WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL RKI INSTRUMENTS INC BE L...

Страница 4: ...rt Up 10 Introducing Incoming Power 10 Setting the Zero Reading 10 Maintenance 11 Preventive Maintenance 11 Troubleshooting 12 Replacing Components of the Combustible Gas Sample Draw Detector 13 Adjusting the Low Flow Setting 14 Removing the Particle Filter s Tubing Stub if Necessary 15 Calibration Frequency 16 Calibration 16 Preparing for Calibration 16 Setting the Zero Reading 16 Setting the Res...

Страница 5: ...01 and to minimize the risk of personal injury Be sure to maintain and periodically calibrate the 35 3001 01 as described in this manual Table 1 Specifications Target Gas and Detection Range Combustible gas 0 100 LEL Input Power 24 VDC Nominal 18 5 VDC 30 VDC Construction housing Fiberglass polyester NEMA 4X Dimensions 8 5 in H x 6 5 in W x 4 25 in D Weight 4 5 lbs Sampling Method Sample draw Samp...

Страница 6: ...purpose equipment is in use W LEL Sensor Oxygen Sensor Terminal Strip Pump G Detector Amp Terminal Strip Factory Wired Mounting Foot 4X _ O X Y G E N B OXY R S LEL Flow Block B AMP AMP 2 S Sensor Flow Control Valve Fail LED Pilot LED B G Interconnect Terminal Strip Pump Reset Switch Flowmeter Pressure Switch Adjustment Screw behind PCB OXY G W R S S AMP 2 AMP 1 This End To Inlet Fitting Flowmeter ...

Страница 7: ...is installed directly to the inlet fitting the tubing stub must be used If the particle filter is installed somewhere else like at the end of the inlet line the tubing stub can be used or removed Conduit Hub One 3 4 conduit hub is located on the right side of the bottom of the housing It is used for routing wiring into the housing by using conduit or an appropriate cable bushing Internal Component...

Страница 8: ...Installation on page 6 for all wiring procedures related to the sample draw detector Flowmeter Circuit Board Connector The flowmeter circuit board connector is a six position connector in the upper left corner of the main circuit board Use the flowmeter circuit board connector to connect the flowmeter circuit board to the main circuit board NOTE The flowmeter circuit board is factory wired to the ...

Страница 9: ...f the main circuit board The filter prevents particulates and water in the incoming gas sample from damaging the flow and detection systems Replace the filter when it appears dirty discolored or clogged Pump The pump is mounted to the right side of the main circuit board The pump pulls the gas sample into the sample draw detector The pump operates on 24 VAC which is generated from the 24 VDC suppl...

Страница 10: ...e 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 perform start up maintenance and calibration procedures Are the flowmeter and status LEDs visible Figure 3 Outline and Mounting Dimensions Ø 30 x 50 4X MOUNTING 78 1 13 40 Pilot Fail 85 80 4 50 NOTE Housing is4 3 inchesdeep 8 88 4 0...

Страница 11: ...le 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 be used RKI Instruments Inc recommends using either 1 4 O D x 1 8 I D or 1 4 O D x 0 170 I D tubing based on your length requirements See Specifications on page 1 for maximum tubing lengths based on tubing size CAUTION If you use flexible sampl...

Страница 12: ...ng 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 5 for the arrangement of the fitting components 4 Route the opposite end of the tubing to an open area where the sample can safely disperse or to an exhaust duct See Specifications on page 1 for maximum tubing lengths based on tubing size Wiring the Sampl...

Страница 13: ...d cable is used connect the cable s drain wire to an available chassis earth ground at the controller RKI controllers typically have a ground stud that can be used to ground the cable s drain wire Green Black Red W hite Not U sed on This Version LEL IR P A T S 1 0 1 P A T S 1 0 1 P A T S 2 0 1 P A T S 2 0 1 AMP 2 LEL IR OXY OXY AMP 1 AMP 1 AMP 2 Red Green Black W hite 24 VDC Controller D etector T...

Страница 14: ...the reset switch and plug the open end of the sample line with your thumb If the flowmeter ball drops to the bottom of the flowmeter the incoming sample line is not leaking 8 Remove your thumb from the sample line release the reset switch and verify the flowmeter returns to a normal flow rate 9 Enable alarms or place the controller in normal operation CAUTION Allow the sample draw detector to warm...

Страница 15: ...a short incoming sample line If the sample draw detector s sample line is long connect a shorter line for this test Make sure you reconnect the sample line after you complete this procedure NOTE Performing a response test on the sample draw detector may cause alarms Be sure to put the controller into its calibration program or disable external alarms before performing this test Preparing for the r...

Страница 16: ... set the correct flow rate check the sample lines for obstructions or kinks 3 Verify that the sensor wiring is correct and secure Wiring the Sample Draw Combustible Gas Detector to a Controller on page 8 describes sensor wiring connections 4 Calibrate the sample draw detector as described in Calibration on page 16 5 If the fail condition continues replace the sensor as described in Replacing the C...

Страница 17: ...or retaining plate then lift the plate connector and sensor out of the housing 5 Unplug the connector from the sensor 6 Verify that you are using the correct replacement sensor NC 6245 is printed on the sensor then plug the sensor into the connector 7 Place the sensor in the combustible gas sensor cavity then position the retaining plate on the two standoffs 8 Secure the retaining plate to the sta...

Страница 18: ...The factory set low flow setting is 0 6 SCFH 0 1 To adjust the low flow setting 1 Use the sensor flow control valve to set the flow to 0 6 SCFH Turn the valve s knob counterclockwise to increase the flow and clockwise to decrease the flow If the sample draw detector goes into low flow alarm before you can adjust the flow down to 0 6 SCFH adjust the pressure switch adjustment screw 1 4 turn clockwi...

Страница 19: ...ot to lose the O ring that may come out with the tubing stub If you do lose the O ring or if it is damaged see Parts List on page 17 for the spare part number 3 Push the tubing stub up and out of the front ferrule being careful not to lose the ferrule set If you do lose the ferrule set or if it is damaged see Parts List on page 17 for the spare part numbers 4 Push the new tubing up through the inl...

Страница 20: ...to other combustible gases such as hexane or hydrogen Use the correct calibration gas for your installation NOTE This procedure describes calibration using a demand flow regulator Preparing for Calibration 1 Follow the instructions in the controller s operator s manual for entering calibration mode NOTE If you can verify a fresh air environment it is not necessary to use the zero air calibration c...

Страница 21: ...670 Inlet fitting O ring 17 2671 Inlet fitting front ferrule 17 2672 Inlet fitting back ferrule and tube nut 30 1016RK Pump 33 0165RK Hydrophobic filter 33 0167RK Particle filter 71 0282RK Operator s Manual 35 3001 01 Sample Draw Detector 81 0002RK 01 Calibration cylinder 50 LEL hydrogen in air 34 liter steel 81 0002RK 03 Calibration cylinder 50 LEL hydrogen in air 103 liter 81 0007RK 01 Calibrati...

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