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2 • 35-3001-04 Carbon Monoxide Sample-Draw Detector

Description

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

Figure 1: Carbon Monoxide Sample-Draw Detector Component Location

Pump

Connector

Pump

Oxygen

Sensor

Terminal

Strip

Mounting

Foot, 4X

O
X
Y
G
E
N

OXY

AMP 2

CO Amplifier

CO Flow

Block

Charcoal

Filter

AMP

Sensor

Flow

Control

Valve

Fail LED

Pilot LED

Pressure

Switch

Adjustment

Screw

(behind PCB)

Flowmeter

AMP 2

Interconnect

Terminal

Strip

3/4" Conduit Hub

Detector/Amp

Terminal Strip

OXY

AMP 1

Flowmeter Circuit

Board Connector

LEL/ IR

Particle Filter

Inlet

Fitting

Exhaust

Fitting

This End To

Inlet Fitting

LEL/ IR

CO Sensor

(inside block)

Pump Reset

Switch

INLET

EXHAUST

Hydrophobic

Filter

www.

GlobalTestSupply

.com

Find Quality Products Online at:

[email protected]

Содержание 35-3001-04

Страница 1: ...35 3001 04 Carbon Monoxide Sample Draw Detector Operator s Manual Part Number 71 0313 Revision A Released 8 4 17 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Страница 2: ...e 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 ty...

Страница 3: ...sportation 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 OB...

Страница 4: ...Introducing Incoming Power 11 Setting the Zero Reading 11 Maintenance 12 Preventive Maintenance 12 Troubleshooting 13 Replacing Components of the Sample Draw Detector 14 Adjusting the Low Flow Setting...

Страница 5: ...and to minimize the risk of personal injury Be sure to maintain and periodically calibrate the 35 3001 04 as described in this manual Table 1 Specifications Target Gas and Detection Range Carbon Mono...

Страница 6: ...ow Block Charcoal Filter B B S AMP G S R Sensor Flow Control Valve Fail LED Pilot LED Pressure Switch Adjustment Screw behind PCB Flowmeter AMP 2 G Interconnect Terminal Strip 3 4 Conduit Hub Detector...

Страница 7: ...ation 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 with the instrument but it is not factory installed If the p...

Страница 8: ...rd 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 wiring procedures related to the sam...

Страница 9: ...filter is located toward the bottom left of the main circuit board The filter prevents particulates and water in the incoming gas sample from damaging the flow and detection systems Replace the filte...

Страница 10: ...t screw and adjust the amplifier s gas response during the calibration procedure Turn the adjustment screw clockwise to increase the span output and counterclockwise to decrease the span output Test P...

Страница 11: ...ng 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 calibra...

Страница 12: ...e 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...

Страница 13: ...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 arrangement of the fitting components 4...

Страница 14: ...igure 5 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...

Страница 15: ...ing 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 ball drops to the bottom of the flowmet...

Страница 16: ...of 0 ppm at the controller Investigate significant changes in the display reading Monthly Response Test This procedure describes a test to verify that the sample draw detector responds properly to the...

Страница 17: ...alibrate the sample draw detector as described in Calibration on page 19 Troubleshooting The troubleshooting guide describes symptoms probable causes and recommended action for problems you may encoun...

Страница 18: ...se 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 correc...

Страница 19: ...ift the CO amplifier and sensor off of the flow block There is a gasket at the bottom of the flow block Be sure the gasket stays in place 6 Disconnect the sensor from the CO amplifier 7 Plug the CO se...

Страница 20: ...nd of the filter then remove the filter from the sample draw detector 5 Install the new filter Be sure the side of the filter marked INLET is connected to the elbow that is connected to the inlet fitt...

Страница 21: ...ain Repeat this step until you are able to adjust the flow to 0 6 SCFH NOTE The pressure switch adjustment screw is accessible through a circular cutout in the flowmeter circuit board 2 Slowly turn th...

Страница 22: ...t 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 21 for the spare part number 3 Push the tubing stub up and out of the f...

Страница 23: ...aw detector may cause alarms Be sure to put the controller into its calibration program or disable external alarms before continuing NOTE This procedure describes calibration using a demand flow regul...

Страница 24: ...ow the sample draw detector to draw the calibrating sample for 1 minute 4 When the reading on the voltmeter stabilizes verify that the reading matches the response reading 2 mV you determined earlier...

Страница 25: ...33 0167RK Particle filter 33 6098 Charcoal filter 71 0313 Operator s Manual 35 3001 04 Carbon Monoxide Sample Draw Detector 81 0064RK 01 Calibration cylinder 50 ppm CO in air 34 liter steel 81 0064RK...

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