Kele KCO-NO2 Preliminary User'S Manual Download | Manualshive

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PRELIMINARY

Kele KCO-NO2

PRELIMINARY

User’s Manual

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Summary of Contents for KCO-NO2

Page 1: ...PRELIMINARY Kele KCO NO2 PRELIMINARY User s Manual...

Page 2: ...elay Connections 6 4 Operational Description 7 4 1 Startup 8 4 2 Setting Warning and Alarm Thresholds 8 4 3 Warning and Alarm Conditions 8 4 4 Sensor Readings 8 5 Sensor Calibration 9 5 1 Calibration...

Page 3: ...DT relays for warning and alarm outputs 10 Amps max at 120 VAC RMS or 30 VDC Concentration Reporting Outputs Powered 4 20 mA current loop output for each sensor 4 mA output 0 ppm concentration 20 mA f...

Page 4: ...id vibration free surface near the middle of the area to be monitored about 5 feet above the floor It should be located where there is free airflow avoid corners or recesses The air vents on the sides...

Page 5: ...controller see the following sections for details on making these connections 3 2 ANALOG OUTPUT CONNECTIONS Each sensor s readings are individually reported at the controller s two powered 4 20mA ana...

Page 6: ...while the relay output is deactivated the voltage attached to the NC terminal is removed when the relay output is activated An example wiring diagram for relay connections are provided in Figure 6 Whe...

Page 7: ...ensor modules are field replaceable each sensor module can be replaced with minimal effort when it reaches end of life EOL while leaving the main control mounted and wired refer to Section 7 1 The con...

Page 8: ...can be adjusted for each sensor via dip switches on the controller s main board shown in Figure 7 Refer to details on setting the thresholds for each sensor in Table 8 NO2 CO Federal OSHA Personal Exp...

Page 9: ...or must be sequentially calibrated with two different gases The Zero gas is the same for both sensors and is used for the zero calibration which must be done first The span gas is different for each s...

Page 10: ...e sampling period At the end of the sampling period the sensor s status LED blinks GREEN if the calibration was successful or RED if not If successful blinking GREEN the calibration completed successf...

Page 11: ...KCO NO2 User s Manual Last Rev 6 15 2020 Kele 3300 Brother Blvd Memphis TN 38133 WWW KELE COM Page 11 of 14 PRELIMINARY FIGURE 9 GAS calibration Procedure done with zero gas then span gas for each se...

Page 12: ...LD REPLACEMENT OF SENSOR MODULES Sensor modules must be replaced when they reach their End of Life Care should be taken to ensure the correct sensor modules are placed in the proper location CO is on...

Page 13: ...and for ensuring that any product into which Products are incorporated other components used with DCS Products and the purposes for which DCS Products are used are appropriate and compatible with tho...

Page 14: ...peration both sensors are regularly tested to detect common failures If a failure is detected the front panel status LED for that sensor will blink red and its concentration reporting analog output wi...

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