Related Manuals for RKI Instruments 65-2432RK-05
Summary of Contents for RKI Instruments 65-2432RK-05
- Page 1 65-2432RK-05 Carbon Monoxide Transmitter Operator’s Manual Part Number: 71-0113RK Revision: C Released: 7/6/20 www.rkiinstruments.com...
- Page 2 Typical calibration frequen- cies for most applications are between 3 and 6 months, but can be required more often or less often based on your usage. 2 • 65-2432RK-05 CO Transmitter...
- 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 ..............20 4 • 65-2432RK-05 CO Transmitter... -
Page 5: Overview
WARNING: When using the 65-2432RK-05, you must follow the instructions and warnings in this manual to assure proper and safe operation of the 65-2432RK-05 and to minimize the risk of personal injury. Be sure to maintain and periodically calibrate the 65-2432RK-05 as described in this manual. -
Page 6: Description
The cap protects the sensor from damage and includes a flame arrestor which contains any sparks which may occur within the detector housing. A cap gasket seals the interface between the housing and cap. A flame arrestor guard is permanently bonded to the cap. 6 • 65-2432RK-05 CO Transmitter... -
Page 7: Amplifier
The span pot is on the left side of the amplifier. Of the three potentiometers, the span pot is bottom most. Use the span pot to adjust the transmitter’s response output during the calibration procedure. 65-2432RK-05 CO Transmitter • 7... -
Page 8: Junction Box
• Select a site where the target gas is likely to be found first. NOTE: If your application does not require a specific mounting site, mount the transmitter at approximately breathing level. 8 • 65-2432RK-05 CO Transmitter... - Page 9 5. At the monitoring site, use #10 screws through the junction box’s two mounting holes to secure the junction box to a vertical surface. CAUTION: Mount the CO transmitter with the detector facing down (see Figure 2). 65-2432RK-05 CO Transmitter • 9...
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Page 10: Wiring The Co Transmitter To A Controller
9. Route the cable or wires leading from the CO transmitter through one of the conduit hubs at the controller housing. CAUTION: Do not route power and transmitter wiring through the same conduit hub. The power cable may disrupt the transmission of the transmitter signal to the controller. 10 • 65-2432RK-05 CO Transmitter... - Page 11 11. If shielded cable is used, connect the cable’s drain 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. 65-2432RK-05 CO Transmitter • 11...
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Page 12: 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 13: Maintenance
• The controller indicates a fail condition. Probable causes • The transmitter wiring is disconnected or misconnected. • The transmitter’s zero reading is low enough to cause a fail condition. • The transmitter is malfunctioning. 65-2432RK-05 CO Transmitter • 13... -
Page 14: Replacing Components Of The Co Transmitter
1. Verify that the calibration cylinder contains an adequate supply of a fresh test sample. 2. If the calibration/response difficulties continue, replace the CO sensor as described later in this section. 3. If the calibration/response difficulties continue, contact RKI Instruments, Inc., for further instruction. Replacing Components of the CO Transmitter This section includes procedure to replace the CO sensor and amplifier. - Page 15 6. Remove the charcoal filter from the rubber boot. 7. Place the replacement filter in the rubber boot in the same position as the filter you removed in the previous step. 8. Reinstall the rubber boot with charcoal filter to the CO sensor. 65-2432RK-05 CO Transmitter • 15...
- Page 16 Table 2 and Figure 3. Table 2: Reconnecting the CO Amplifier to a Controller Amplifier Interconnect Controller Transmitter Terminal Strip Terminal Strip (typical) 4/20 FB 4 -20 (FB) 24V + + V (11 - 30 VDC) 16 • 65-2432RK-05 CO Transmitter...
- Page 17 7. Connect the detector leads to the detector terminal strip as shown in Table 4 and Figure 3. Table 4: Connecting the Replacement CO Detector to the Amplifier Amplifier Interconnect CO Detector Lead Terminal Strip Black TOXIC BK TOXIC RD 8. Reinstall the junction box cover. 65-2432RK-05 CO Transmitter • 17...
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Page 18: 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 19: Setting The Zero Reading
5. If necessary, use the span pot on the amplifier to adjust the reading to match the correct response reading. 6. Turn the regulator on/off knob clockwise to close it. 7. Unscrew the regulator from the calibration cylinder. 65-2432RK-05 CO Transmitter • 19... -
Page 20: Returning To Normal Operation
CO transmitter (includes detector and amplifier), CSA classified 65-2438 CO replacement detector assembly (includes sensor), CSA classified 71-0113RK 65-2432RK-05 CO Transmitter Operator’s Manual (this document) 81-0064RK-01 Calibration cylinder, 50 PPM CO in air, 34 liter steel 81-0076RK-01 Zero air calibration cylinder, 34 liter steel 81-1050RK Regulator with gauge and knob, 0.5 LPM, for 17 liter and 34 liter steel cal-...
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