RKI Instruments 65-2405RK-04 Operator'S Manual Download Page 23

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65-2405RK-04 Combustible Gas Transmitter • 19

Parts List

Table 5 lists replacement parts and accessories for the combustible gas transmitter.

Table 5:Parts List

Part Number

Description

06-1248RK

Sample tubing (3/16 in. x 5/16 in.; specify length when ordering)

18-0400RK-01

Junction box with spacers

57-1053RK

Amplifier with gasket (specify detector part number when ordering)

61-0140RK

Combustible gas sensor

65-2405RK-04

Methane transmitter (includes detector, two junction boxes, and amplifier)

71-0280RK

65-2405RK-04 Combustible Gas Transmitter Operator’s Manual

(this document)

81-0004RK-01

Steel calibration cylinder, 50% LEL propane in air, 34-liter

81-0012RK-01

Steel calibration cylinder, 50% LEL methane in air, 34-liter

81-0076RK-01

Steel calibration cylinder, zero emission air, 34-liter

81-1050RK

Regulator, 0.5 liter/minute; with pressure gauge and flow control knob, for 17
liter and 34 liter steel calibration cylinders

81-1116RK

Calibration cup/splash guard

81-F002RK-LV

Calibration kit, includes regulator, sample tubing, calibration cup, and 34 liter

50 %LEL methane in air steel calibration cylinder

81-F006RK-LV

Calibration kit, includes regulator, sample tubing, calibration cup, and 34 liter

50 %LEL propane in air steel calibration cylinder

82-0006RK

Pot adjust screwdriver, for calibration

www.

.com

[email protected]

1.800.561.8187

Summary of Contents for 65-2405RK-04

Page 1: ...65 2405RK 04 Combustible Gas Transmitter Operator s Manual Part Number 71 0280RK Revision P1 Released 5 30 13 www com information itm com 1 800 561 8187...

Page 2: ...maintenance of the transmitter is essential for proper operation and correct readings Please calibrate and maintain this transmitter regularly Frequency of calibration depends upon the type of use you...

Page 3: ...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 REPRESENTATIONS EXPRESSED OR IMPLIED...

Page 4: ...or to the Amplifier 6 Wiring the Amplifier to a Controller 8 Startup 10 Introducing Incoming Power 10 Setting the Zero Signal 10 Maintenance 11 Preventive Maintenance 11 Troubleshooting 13 Replacing C...

Page 5: ...using the 65 2405RK 04 you must follow the instructions and warnings in this manual to assure proper and safe operation of the 65 2405RK 04 and to minimize the risk of personal injury Be sure to maint...

Page 6: ...ccessible location The detector junction box can be installed at the inaccessible location and the amplifier junction box can be installed in a more readily accessible area Figure 1 Combustible Gas Tr...

Page 7: ...of the amplifier A label on the amplifier indicates the detector drive current This drive current is factory set and is dictated by the combustible gas to which the detector is calibrated Consult RKI...

Page 8: ...intended to be installed remotely from the amplifier junction box The combustible gas detector is factory installed in the bottom 3 4 conduit hub A terminal strip is provided for wiring connections an...

Page 9: ...Install 3 16 inch I D flexible polyurethane tubing to the fitting at the bottom of the calibration cup splash guard and route it to an accessible area that is close to the amplifier junction box See t...

Page 10: ...ver to the junction box 7 Guide the other end of the four conductor shielded cable or four wires in conduit through the bottom conduit hub of the amplifier junction box 8 To gain access to a plug in t...

Page 11: ...box The amplifier mounting screw is a convenient grounding location Install a lug on the shield drain wire or wrap the shield drain wire around the mounting screw Do not connect the shield drain wire...

Page 12: ...AUTION If shielded cable is used leave the cable shield s drain wire disconnected and insulated at the amplifier junction box You will connect the opposite end of the cable s drain wire to the control...

Page 13: ...vailable chassis earth ground at the controller RKI controllers typically have a ground stud that can be used to ground the cable s drain wire Amplifier Transmitter Cable Shield DC Ground 24 VDC 4 20...

Page 14: ...ontinue with the next section Setting the Zero Signal Setting the Zero Signal WARNING Do not remove the junction box cover while the circuits are energized unless the area is determined to be non haza...

Page 15: ...ance procedures It includes preventive maintenance troubleshooting and component replacement procedures Preventive Maintenance This section describes a preventive maintenance schedule to ensure the op...

Page 16: ...ting of 100 LEL the correct output is 300 mV 300 mV 50 100 X 400 100 Performing the response test 1 Turn the regulator s on off knob counterclockwise to open the regulator Gas will begin to flow 2 All...

Page 17: ...cure 2 Calibrate the transmitter 3 If the fail condition continues replace the detector 4 If the fail condition continues contact RKI for further instruction Slow or No Response Difficult or Unable to...

Page 18: ...ay any gas reading or give any alarm indication The combustible gas transmitter s 4 20 mA signal should be stable by the time the controller s warmup period is over CAUTION Allow the replacement detec...

Page 19: ...g or give any alarm indication The combustible gas transmitter s 4 20 mA signal should be stable by the time the controller s warmup period is over 12 Allow the transmitter to warm up for 5 minutes 13...

Page 20: ...e controller into its calibration mode or disable external alarms 2 Note the current gas reading displayed at the controller 3 Screw the regulator into the calibration cylinder Do not use a zero air c...

Page 21: ...alibrating sample Output mV calibrating sample fullscale X 400 100 For example with a calibrating sample of 50 LEL and a fullscale setting of 100 LEL the correct output is 300 mV 300 mV 50 100 X 400 1...

Page 22: ...e the span pot on the amplifier to adjust the reading to match the correct response reading 4 Turn the regulator s on off knob clockwise to close the regulator 5 Unscrew the regulator from the calibra...

Page 23: ...cument 81 0004RK 01 Steel calibration cylinder 50 LEL propane in air 34 liter 81 0012RK 01 Steel calibration cylinder 50 LEL methane in air 34 liter 81 0076RK 01 Steel calibration cylinder zero emissi...

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