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RKI Instruments 61-0140RK, Operator'S Manual

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RKI Instruments 61-0140RK Operator'S Manual Download Page 9

 

61-1000RK/61-0140RK Combustible Gas Detector • 9

Figure 3: Wiring the Combustible Gas Detector to a Controller

White

Black

Green

White

Red

Controller

LEL 

Detector

Terminals

J-Box

Terminal Strip

Black

Detector W ires

Red

Green

Combustible 
Detector

Cable Shield

Summary of Contents for 61-0140RK

Page 1: ...www rkiinstruments com 61 1000RK 61 0140RK Combustible Gas Detector Operator s Manual Part Number 71 0067RK Revision E Released 10 26 18 ...

Page 2: ...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 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 ...

Page 3: ... 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 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 I...

Page 4: ...e Gas Detector 7 Wiring the Combustible Gas Detector 8 Startup 10 Introducing Incoming Power 10 Setting the Zero Reading 10 Maintenance 11 Preventive Maintenance 11 Troubleshooting 11 Replacing the Combustible Detector 12 Calibration Frequency 13 Calibration 13 Preparing for Calibration 13 Setting the Zero Reading 14 Setting the Response Reading 14 Returning to Normal Operation 14 Parts List 15 ...

Page 5: ...bs If you are using a 61 0140RK combustible gas detector disregard all references to the junction box and junction box terminal strip Specifications WARNING Do not use this product in a manner not specified in this instruction manual Table 1 lists specifications for the combustible gas detector WARNING When using the 61 1000RK you must follow the instructions and warnings in this manual to assure ...

Page 6: ...unction box The controller conduit hubs are normally 3 4 NPT so a 3 4 x 1 2 NPT reducer may be necessary to install the combustible gas detector A rainshield screws onto the bottom of the detector flame arrestor end The rainshield helps protect the detector from rain and debris in the monitoring environment Four color coded leads extend from the top of the detector The leads allow you to connect t...

Page 7: ...is not explosion proof if installed in a controller conduit hub Mounting the Combustible Gas Detector 1 Select a mounting site that is representative of the monitoring environment Consider the following when you select the mounting site Select a site where the detector is not likely to be bumped or disturbed Make sure there is sufficient room to perform start up maintenance and calibration procedu...

Page 8: ...mental rating and hazardous location classification of the junction box The junction box is rated NEMA 4X and classified explosion proof for Class I Groups B C and D 6 Connect the wires to the terminal block in the junction box CAUTION Leave the shield drain wire insulated and disconnected at the detector You will connect the opposite end of the cable s drain wire at the controller 7 Secure the ju...

Page 9: ...ible Gas Detector 9 Figure 3 Wiring the Combustible Gas Detector to a Controller White Black Green White Red Controller LEL Detector Terminals J Box Terminal Strip Black Detector Wires Red Green Combustible Detector Cable Shield ...

Page 10: ...ding Setting the Zero Reading WARNING Do not remove the junction box cover while the circuits are energized unless the area is determined to be non hazardous Keep the junction box cover tightly closed during operation CAUTION If you suspect the presence of combustible gas in the monitoring environment use the zero air calibration cylinder to introduce fresh air to the detector and verify an accura...

Page 11: ... Fail Condition Controller indicates a fail condition The detector wiring is disconnected or misconnected The detector zero signal is low enough to cause a fail condition The detector is malfunctioning 1 Verify that the detector wiring is correct and secure 2 Calibrate the detector 3 If the fail condition continues replace the detector 4 If the fail condition continues contact RKI for further inst...

Page 12: ... for environmental conditions apply thread sealant or Teflon tape to the hub and or detector threads to seal them 7 If the detector is installed directly on a controller connect the detector leads to the appropriate detector terminal strip terminals See Figure 3 for wiring to a generic controller See the controller operator s manual and the controller s detector head specification sheet for the 61...

Page 13: ...own or likely to be present more frequent calibration than every 3 months will be necessary Calibration This section describes how to calibrate the combustible gas detector It includes procedures to prepare for calibration set the zero reading set the response reading and return to normal operation WARNING The controller is not an active gas monitoring device during the calibration procedure NOTE ...

Page 14: ...tor to gas turn the regulator s on off knob counterclockwise to open it 3 Allow the gas to flow for one minute before continuing with the directions 4 After setting the response reading turn the regulator s on off knob clockwise to close it 5 Unscrew the regulator from the cylinder Returning to Normal Operation 1 Unscrew the calibration cup from the detector NOTE For convenience leave regulator an...

Page 15: ...34 liter steel 81 0004RK 03 Calibration cylinder 50 LEL propane in air 103 liter 81 0007RK 01 Calibration cylinder 15 LEL hexane in air 34 liter steel 81 0012RK 01 Calibration cylinder 50 LEL methane in air 34 liter steel 81 0012RK 03 Calibration cylinder 50 LEL methane in air 103 liter 81 0076RK 01 Zero air calibration cylinder 34 liter steel 81 0076RK 03 Zero air calibration cylinder 103 liter 8...

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