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Related Manuals for Kele KCO-NO2
Summary of Contents for Kele KCO-NO2
- Page 1 Kele KCO-NO2 PRELIMINARY User’s Manual PRELIMINARY...
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Page 2: Table Of Contents
Warranty ................................13 Duration ..............................13 Limited Warranty and Remedies ........................ 13 Disclaimers ................................14 Inspection and Maintenance........................14 Life Safety ..............................14 Last Rev: 6/15/2020 Kele • 3300 Brother Blvd. • Memphis, TN 38133 WWW.KELE.COM Page 2 of 14 • PRELIMINARY... -
Page 3: Specifications
2 Year typical Calibrated Field-Replaceable Sensor TABLE 4: NO SENSOR SPECIFICATIONS Exposure to harsh ambient environmental conditions may shorten senor life. Last Rev: 6/15/2020 Kele • 3300 Brother Blvd. • Memphis, TN 38133 WWW.KELE.COM Page 3 of 14 • PRELIMINARY... -
Page 4: Mechanical Installation
ECHANICAL NSTALLATION The Model KCO-NO2 is available in two versions of a gray, powder-coated, 18 Gauge steel enclosure. The removable, lockable, hinged-cover version is shown in Figure 1 and the screw-down cover version is shown in Figure 2. All electronics are attached to the front cover. There are ½” conduit knock-outs on all sides for electrical connections. -
Page 5: Power Connection
4. Plug the analog output screw terminal back into the controller. 5. Repeat this process for both analog outputs, then reconnect power. Last Rev: 6/15/2020 Kele • 3300 Brother Blvd. • Memphis, TN 38133 WWW.KELE.COM Page 5 of 14 •... -
Page 6: Relay Connections
5. Plug the relay output screw terminal back into the correct location on controller board. FIGURE 6: EXAMPLE WIRING DIAGRAM FOR NORMALLY OPEN OPERATION Last Rev: 6/15/2020 Kele • 3300 Brother Blvd. • Memphis, TN 38133 WWW.KELE.COM Page 6 of 14 • PRELIMINARY... -
Page 7: Operational Description
PERATIONAL ESCRIPTION The KCO-NO2 is a ventilation and alarm controller that senses the presence of gasoline or diesel engine exhaust fumes and operates a Warning contact closure to trigger exhaust fans when elevated levels of carbon monoxide (generated by gasoline engines and abbreviated CO) or nitrogen dioxide (from diesel engine exhaust and abbreviated NO ) are detected. -
Page 8: Startup
Table 6 lists the operational conditions that force the analog outputs to their limits regardless of ambient gas concentrations. Table 8: Alarm Threshold Setting Last Rev: 6/15/2020 Kele • 3300 Brother Blvd. • Memphis, TN 38133 WWW.KELE.COM Page 8 of 14 • PRELIMINARY... -
Page 9: Sensor Calibration
TABLE 9: A calibration kit that contains cylinders of the three required gases, a calibration cap, a regulator with associated tubing and detailed instructions for calibrating the Model KCO-NO2 in a convenient carrying case is available from Kele. Last Rev: 6/15/2020 Kele •... -
Page 10: Calibration Procedure
20% from its original factory calibration and must be replaced. Calibrated sensor modules are available from Kele. Last Rev: 6/15/2020 Kele • 3300 Brother Blvd. • Memphis, TN 38133 WWW.KELE.COM Page 10 of 14 •... - Page 11 Kele KCO-NO2 User’s Manual calibration Procedure done with zero gas then span gas for each sensor FIGURE 9: GAS Last Rev: 6/15/2020 Kele • 3300 Brother Blvd. • Memphis, TN 38133 WWW.KELE.COM Page 11 of 14 • PRELIMINARY...
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Page 12: Sensor Module Replacement
NOTE: Placing sensor modules in incorrect locations will not harm the device; but improper gas concentration will be present at the corresponding analog output and the front panel LED indicators. Last Rev: 6/15/2020 Kele • 3300 Brother Blvd. • Memphis, TN 38133 WWW.KELE.COM Page 12 of 14 •... -
Page 13: Warranty
If Kele determines that a returned Product does not conform to this warranty it will, at Kele's discretion, either repair or replace that Product, and will ship the Product back to Buyer free of charge. At Kele’s option, Kele may choose to refund to Buyer the purchase price for a nonconforming Product instead of repairing or replacing it. -
Page 14: Disclaimers
CARELESS USE, (2) UNAUTHORIZED MODIFICATIONS, OR (3) OTHER CAUSES BEYOND Kele OR ITS SUPPLIERS CONTROL. IN NO EVENT ARE Kele OR ANY OF ITS SUPPLIERS LIABLE TO THE BUYER OR ANY OTHER PERSON FOR COST OF PROCUREMENT OF SUBSTITUTE GOODS, LOSS OF PROFITS, OR FOR ANY OTHER SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES.