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35-3001-13-02 Carbon Dioxide/Oxygen Sample-Draw Detector • 7

Description

This section describes the components of the carbon dioxide/oxygen sample-draw detector.

External Components

This section describes the sample-draw detector’s external components.

Housing

The sample-draw detector’s fiberglass housing is weather- and corrosion-resistant. It is suitable for installation
where general purpose equipment is in use.

Figure 1: Component Location

Pump

X
Y

Oxy gen
Sensor

Oxygen
Sensor
Terminal
Strip

IR CO 2 Sensor
PCB

Mounting

Foot, 4X

OXY

IR CO 2 Flow
Block

IR CO 2 Sensor
(inside b lock)

AMP

AMP 2

Sensor Flow

Control V alve

Fail LED

Pilot LED

Interc onnect
Terminal
Strip

Pump Reset

Switch

Flowmeter

Pressure Switch

Adjustment Screw

(behind P CB)

OXY

AMP 2

AMP 1

This End To

Inlet Fitting

LEL/ IR

Particle Filter

LEL/ IR

Flowmeter Circuit

Board Connector

Pump Connector

Oxygen Flow
Block

Exhaust

Fitting

Inlet

Fitting

3/4" Conduit Hub

EXHAUST

INLET

Hydrophobic

Filter

Detec tor/Amp
Terminal Strip
(Factory W ired)

Содержание 35-3001-13 Series

Страница 1: ...www rkiinstruments com 35 3001 13 XX Carbon Dioxide Oxygen Sample Draw Detector Operator s Manual Part Number 71 0506 Revision P1 Released 9 10 19...

Страница 2: ...eath 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...

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: ...ing the Zero Reading 15 Maintenance 16 Preventive Maintenance 16 Troubleshooting 17 Replacing Components of the Sample Draw Detector 18 Adjusting the Low Flow Setting 19 Removing the Particle Filter s...

Страница 5: ...02 0 5 000 ppm parts per million 35 3001 13 03 0 5 volume 35 3001 13 05 0 50 volume 35 3001 13 10 0 100 volume Oxygen 0 25 volume Input Power 24 VDC Nominal 18 5 VDC 30 VDC Construction housing Fiber...

Страница 6: ...ng the 35 3001 13 XX you must follow the instructions and warnings in this manual to assure proper and safe operation of the 35 3001 13 XX and to minimize the risk of personal injury Be sure to mainta...

Страница 7: ...e 1 Component Location Pump O X Y G E N B W Oxygen Sensor Oxygen Sensor Terminal Strip IR CO2 Sensor PCB B G Mounting Foot 4X _ S OXY R S IR CO2 Flow Block IR CO2 Sensor inside b lock AMP AMP 2 Sensor...

Страница 8: ...ttings 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 particle filter is installed directly to the inlet fitting...

Страница 9: ...the two point connector below the oxygen terminal strip in the upper right corner of the main circuit board Use the pump connector to connect the pump to the main circuit board NOTE The pump is facto...

Страница 10: ...ng 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...

Страница 11: ...ollowing 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 perfo...

Страница 12: ...rticle 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...

Страница 13: ...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...

Страница 14: ...in 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 Figure 4 Wiring to a Controller P A T S 2...

Страница 15: ...g 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...

Страница 16: ...flow setting and remove the particle filter s tubing stub Preventive Maintenance This section describes a preventive maintenance schedule to ensure the optimum performance of the sample draw detector...

Страница 17: ...s 4 Calibrate the sample draw detector as described in Calibration IR CO2 Sensor on page 21 and Calibration Oxygen Sensor on page 22 5 If the fail condition continues replace the sensor s as described...

Страница 18: ...four screws you removed in step 4 9 Close and latch the housing door 10 Turn on power to the controller 11 Turn on the controller CAUTION Allow the replacement sensor to warm up for 5 minutes before...

Страница 19: ...ub c Install the new particle filter onto the tubing stub Be sure the arrow on the particle filter is pointing toward the inlet fitting d Reinstall the tubing routed to the sampling area 4 If the part...

Страница 20: ...he flow to 1 0 SCFH 6 Make sure the sample draw detector s Fail LED is off Removing the Particle Filter s Tubing Stub if Necessary A short tubing stub comes factory installed in the particle filter It...

Страница 21: ...ery demanding for example if the environment is not well controlled then more frequent calibration than every 3 months for the oxygen detector and every 6 months for the infrared CO2 detector may be n...

Страница 22: ...essary to use a zero air calibrating sample to set the fresh air reading at the controller 1 Follow the instructions in the controller s operator s manual for entering calibration mode 2 Screw the reg...

Страница 23: ...n reading at the controller to return to normal then return the controller to normal operation NOTE If you do not allow the oxygen reading to return to normal then unwanted alarms may occur 2 Verify t...

Страница 24: ...bon dioxide sensor 0 50 vol range 61 5040RK 10 Infrared carbon dioxide sensor 0 100 vol range 71 0506 Operator s Manual 35 3001 13 XX Sample Draw Detector 81 0070RK 01 Calibration cylinder 2000 ppm CO...

Страница 25: ...Dioxide Oxygen Sample Draw Detector 25 81 1055RK Regulator demand flow for 17 liter and 34 liter steel calibration cylinders cylinders with external threads OS B11 Oxygen sensor Table 2 Parts List Par...

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