Related Manuals for RKI Instruments 65-2333
Summary of Contents for RKI Instruments 65-2333
- Page 1 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual Part Number: 71-0265 Revision: P1 Released: 1/17/23 RKI Instruments, Inc. 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. 2 • 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual...
- 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 ............21 4 • 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual... -
Page 5: Overview
NOTE: The following symbol on the detector label is a caution to the user to refer to this documentation for installation and operation instructions: WARNING: When using the 65-2333, you must follow the instructions and warnings in this manual to assure proper and safe operation of the 65-2333 and to minimize the risk of personal injury. -
Page 6: Description
Controller Terminal Strip Factory Adjust Pot Span Pot Zero Pot Amplifier + Test Point (Red) Detector Terminal Strip - Test Point (Black) J-Box HCN Detector Figure 1: HCN Transmitter Component Location 6 • Description 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual... -
Page 7: Hcn Detector
Rubber Boot and Spacer A rubber boot and spacer are installed between the detector housing cap and the sensor. They help ensure that the detector remains plugged into the detector housing body. 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual Description • 7... -
Page 8: Amplifier
The black test point in the lower left corner is the negative (-) test point and the red test point below the zero pot is the positive (+) test point. 8 • Description 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual... -
Page 9: Junction Box
• Select a site that is at normal breathing level. 3.10 3/4 NPT Female 3.65 Rubber 8.18 Max Spacers J-Box HCN Detector 1 1/2-20 Thread for Calibration Cup Figure 3: Mounting the HCN Detector 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual Installation • 9... -
Page 10: Wiring The Hcn Transmitter To A Controller
CAUTION: Do not route power and transmitter wiring through the same controller conduit hub. The power cable may disrupt the transmission of the transmitter signal to the controller. 10 • Installation 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual... - Page 11 12. 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. 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual Installation • 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
Calibrate the HCN transmitter as described in “Calibration” on page 19. See the calibration frequency discussion in “Calibration Frequency” on page 18 to determine if a quarterly calibration schedule fits your needs. 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual Maintenance • 13... -
Page 14: Troubleshooting
6. If the fail condition continues, amplifier is contact RKI for further disconnected or instruction. misconnected. • The transmitter’s zero reading is low enough to cause a fail condition. • The transmitter is malfunctioning. 14 • Maintenance 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual... -
Page 15: Replacing Components Of The Hcn Transmitter
1. Turn off the controller. 2. Turn off or unplug power to the controller. 3. Unscrew the detector housing cap from the detector housing body. Make sure not to lose the cap gasket. 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual Maintenance • 15... - Page 16 7. Install the new membrane on the face of the plug-in sensor. 8. Plug the sensor back into the four-socket pattern in the detector housing body. 16 • Maintenance 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual...
- Page 17 13. Calibrate the replacement detector as described in “Calibration” on page 19. Replacing the Amplifier 1. Turn off the controller. 2. Turn off or unplug power to the controller. 3. Remove the junction box cover. 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual Maintenance • 17...
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Page 18: Calibration Frequency
Although there is no particular calibration frequency that is correct for all applications, a calibration frequency of every 3 months is adequate for most HCN transmitter applications. Unless experience in a particular application dictates otherwise, RKI Instruments, Inc. recommends a calibration frequency of every 3 months for the HCN transmitter. -
Page 19: Calibration
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 20: Setting The Response Reading
4. When the display reading falls below the alarm setpoints, return the controller to normal operation. 5. Verify that the controller display reading decreases and stabilizes at 0 ppm. 6. Store the components of the calibration kit in a safe and convenient place. 20 • Calibration 65-2333 Hydrogen Cyanide Transmitter Operator’s Manual... -
Page 21: Parts List
HCN transmitter (includes detector and amplifier), CSA classified 65-2425 HCN replacement detector assembly (includes sensor), CSA classified 71-0265 65-2333 HCN Transmitter Operator’s Manual (this document) 81-0076RK-01 Zero air calibration cylinder, 34 liter steel 81-0196RK-02 Calibration gas cylinder, 10 ppm HCN in nitrogen, 58 liter aluminum...
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