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Summary of Contents for RKI Instruments 65-2511RK
- Page 1 65-2511RK/65-2512RK Oxygen Detector Operator’s Manual Part Number: 71-0109RK Revision: B Released: 3/1/11 www.rkiinstruments.com...
- Page 2 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. 65-2511RK/65-2512RK Oxygen Detector...
- Page 3 Product Warranty RKI Instruments, Inc. warrants gas alarm equipment sold by us to be free from defects in materials, workmanship, and performance for a period of one year from date of shipment from RKI Instruments, Inc. Any parts found defective within that period will be repaired or replaced, at our option, free of charge.
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Page 4: Table Of Contents
Parts List ..............10 65-2511RK/65-2512RK Oxygen Detector... -
Page 5: Overview
65-2511RK oxygen detector which does not include a junction box and is normally mounted in one of a controller’s conduit hubs. If you are using a 65-2511RK oxygen detector, disregard all references to the junction box and junction box terminal strip. -
Page 6: Description
Mounting the Oxygen Detector NOTE: If you are mounting a 65-2511RK, it does not include a junction box and is usually factory installed in one of a controller’s conduit hubs or may be field installed using the 3/4”... -
Page 7: Wiring The Oxygen Detector
“Start Up” on page 5. See Figure 2, the controller operator’s manual, and the controller’s detector head specification sheet for the 65-2511RK detector for the wiring connections. Remove the junction box cover. Guide a two-conductor, shielded cable or two wires in conduit through the top conduit hub of the junction box. - Page 8 Figure 2: Wiring the Oxygen Detector to a Controller 10. If using shielded cable, connect the cable’s drain wire to an available chassis ground at the controller. RKI controllers typically have a ground stud that is a convenient grounding location. 4 • 65-2511RK/65-2512RK Oxygen Detector...
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Page 9: Startup
The procedure below describes applying zero emission air, usually called zero air, using a calibration kit that includes a calibration cup, calibration gas, sample tubing, and a fixed flow regulator with an on/off knob. RKI Instruments, Inc. recommends using a 0.5 LPM (liters per minute) fixed flow regulator. -
Page 10: Maintenance
NOTE: If the reading does not decrease, calibrate the detector as described in the Calibration section of this manual. When the display reading rises above the decreasing alarm setpoint, return the controller to normal operation. Quarterly Calibrate the detector as described in the Calibration section of this manual. 6 • 65-2511RK/65-2512RK Oxygen Detector... -
Page 11: Troubleshooting
Unscrew the detector from the controller conduit hub or junction box conduit hub. Guide the detector leads of the replacement detector through the controller conduit hub or junction box conduit hub, then screw the mounting threads of the detector into 65-2511RK/65-2512RK Oxygen Detector • 7... -
Page 12: Calibration Frequency
It describes the test using a calibration kit that includes a calibration cup, calibration gas, sample tubing, and a fixed flow regulator with an on/off knob. RKI Instruments, Inc. recommends using a 0.5 LPM (liters per minute) fixed flow regulator. -
Page 13: Setting The Fresh Air Reading
NOTE: If you do not allow the oxygen reading to increase above the decreasing alarm point, then unwanted alarms may occur. Verify that the controller display reading increases and stabilizes at 20.9% oxygen. 65-2511RK/65-2512RK Oxygen Detector • 9... -
Page 14: Parts List
Junction box with spacers 65-2511RK Oxygen detector, conduit-mounting, capillary type, not including junction box 65-2512RK Oxygen detector including junction box. 71-0109RK 65-2511RK/65-2512RK Oxygen Detector Operator’s Manual (this document) 81-F301RK-LV Calibration kit (34 liter) 81-0076RK-01 Zero air calibration cylinder (34 liter) 81-0078RK...
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