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35-3001A-01-XX1 Sample-Draw Detector Operator’s Manual • 7

Description

This section describes the components of the sample-draw detector.

Figure 1: Sample-Draw Detector Component Location

Oxygen
Sensor
Terminal
Strip

Mounting
Foot, 4X

O
X
Y
G
E
N

IR Sensor
(inside block)

Pump

PWR / SIG

IR Sensor PCB

Detector/Amp
Terminal Strip
(Factory
Wired)

AMP 2

AMP

OXY

Pilot LED

Fail LED

Sensor Flow

Control Valve

Pump Reset

Switch

Pressure

Switch

Adjustment

Screw

(behind PCB)

Flowmeter

Interconnect
Terminal
Strip

AMP 1

AMP 2

OXY

Particle
Filter

Flowmeter Circuit

Board Connector

FLOW

FAIL

Inlet

Fitting

Exhaust

Fitting

This End
To Inlet
Fitting

FLOW

FAIL

3/4 NPT Conduit Hub

IR Flow Block

Pump Connector

IR Amplifier

LEL

Sensor

Current

148mA

INLET

EXHAUST

Hydrophobic

Filter

Содержание 35-3001A-01 1 Series

Страница 1: ...www rkiinstruments com 35 3001A 01 XX1 Sample Draw Detector Operator s Manual Part Number 71 0585 Revision P1 Released 1 25 22...

Страница 2: ...or death 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 depe...

Страница 3: ...l 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 REPRESE...

Страница 4: ...or to a Controller 15 Start Up 18 Introducing Incoming Power 18 Setting the Zero Reading 19 Low Flow Contact Operation 19 Maintenance 20 Preventive Maintenance 20 Troubleshooting 20 Replacing Componen...

Страница 5: ...specifications for the sample draw detector See the controller Operator s Manual for information specific to the controller Table 1 Specifications Target Gas and Detection Range 35 3001A 01 011 Methan...

Страница 6: ...on of the 35 3001A 01 XX1 and to minimize the risk of personal injury Be sure to maintain and periodically calibrate the 35 3001A 01 XX1 as described in this manual Maximum Recommended Inlet Exhaust L...

Страница 7: ...nsor PCB Detector Amp Terminal Strip Factory Wired S AMP 2 AMP OXY S Pilot LED Fail LED Sensor Flow Control Valve Pump Reset Switch Pressure Switch Adjustment Screw behind PCB Flowmeter Interconnect T...

Страница 8: ...sample fittings are located on the left side of the bottom of the housing The inlet fitting is near the front of the housing and the exhaust fitting is near the back of the housing The sample fitting...

Страница 9: ...tector amp terminal strip to connect the amplifier to the main circuit board NOTE The amplifier is factory wired to the main circuit board See the Installation section on page 12 for all wiring proced...

Страница 10: ...ndoffs It includes the flowmeter sensor flow control valve status LEDs pressure switch and pump reset switch Flowmeter The flowmeter is mounted to the right side of the flowmeter circuit board You can...

Страница 11: ...pplied by the controller IR Sensor IR Sensor PCB The IR sensor is an infrared type plug in detector Infrared combustible detectors are generally used instead of the catalytic combustible detectors in...

Страница 12: ...espectively The controller terminal strip is located on the right side of the amplifier and the detector terminal strip is to the left of it Both terminal strips are factory wired to the sensor and ma...

Страница 13: ...otate the mounting foot 180 degrees see Figure 4 4 Tighten the screw that secures the mounting foot to the housing 5 Repeat steps 3 and 4 for the remaining three mounting feet 6 Position the sample dr...

Страница 14: ...s acceptable use an appropriate insert if necessary to provide support to the tubing and ensure a good seal when connecting to the flexible stub on the filter CAUTION Avoid loops or slumps in the inco...

Страница 15: ...n appropriate insert 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 Fi...

Страница 16: ...e controller 7 Route the cable or wires in conduit leading from the sample draw detector through one of the conduit hubs at the controller 8 Connect the wires to the applicable detector transmitter te...

Страница 17: ...tud that can be used to ground the cable s drain wire Not Used on This Version S PWR SIG ZERO SPAN OXY Green Black Red W hite P A T S 2 0 1 P A T S 2 0 1 OXY AMP 1 FLOW FAIL FLOW FAIL P A T S 1 0 1 P...

Страница 18: ...adjust the flow rate Turn the valve s knob counterclockwise to increase the flow and clockwise to decrease the flow NOTE The following step tests for leaks in the sample line This test will cause a l...

Страница 19: ...plifier Plug the positive lead into the red test point plug the negative lead into the black test point 5 Verify a voltmeter reading of 100 mV 2 mV 6 If necessary use a small flat blade screwdriver to...

Страница 20: ...flow and clockwise to decrease the flow 3 Verify a display reading of 0 LEL 0 vol at the controller or a reading of 100 mV at the amplifier test points Investigate significant changes in the display r...

Страница 21: ...g during the calibration procedure The sensor requires frequent calibration Probable causes The calibration cylinder is low out dated or defective If a demand flow regulator calibration kit is used th...

Страница 22: ...ck with the screws you removed in step 4 9 Turn on power to the controller and place it into normal operation 10 Turn on the controller CAUTION Allow the replacement sensor to warm up for 5 minutes be...

Страница 23: ...ntroller and place it into normal operation 12 Allow the sample draw detector to warmup for 5 minutes 13 Calibrate the sample draw detector as described in Calibration on page 26 of this manual Replac...

Страница 24: ...ter from the tubing stub b Install the new particle filter onto the tubing stub Be sure the arrow on the particle filter is pointing toward the inlet line 5 Turn on power to the controller 6 Turn on t...

Страница 25: ...justment screw slightly 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...

Страница 26: ...n frequency that is correct for all applications a calibration frequency of every 6 months is adequate for most infrared combustible gas sample draw applications Unless experience in a particular appl...

Страница 27: ...one minute 3 Verify a voltmeter reading of 100 mV 2 mV 4 If necessary use a small flat blade screwdriver to adjust the zero potentiometer until the voltmeter reading is 100 mV 2 mV If you used a zero...

Страница 28: ...tely one minute to allow the reading to stabilize 2 Remove the voltmeter leads from the amplifier test points 3 Close the housing door 4 Follow the instructions in the controller s operator s manual t...

Страница 29: ...4 sensor 0 100 volume 71 0585 Operator s Manual 35 3001A 01 XX1 Sample Draw Detector 81 0004RK 01 Calibration cylinder 50 LEL propane in air 34 liter steel 81 0004RK 03 Calibration cylinder 50 LEL pro...

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