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ARJAY ENGINEERING 9830-OWS User Manual

Oil/water interface level switch
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OIL/WATER INTERFACE LEVEL SWITCH
MODEL 9830-OWS

User Manual

Arjay Engineering Ltd.
Oakville (Toronto), Canada, L6H 6C9
Tel .
++1 (905) 829-2418
Fax.
++1 (905) 829-4701
North America 1-800-387-9487
www.arjayeng.com
arjay@arjayeng.com

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Summary of Contents for ARJAY ENGINEERING 9830-OWS

  • Page 1: User Manual

    MODEL 9830-OWS OIL/WATER INTERFACE LEVEL SWITCH User Manual Arjay Engineering Ltd. Oakville (Toronto), Canada, L6H 6C9 Tel . ++1 (905) 829-2418 Fax. ++1 (905) 829-4701 North America 1-800-387-9487 www.arjayeng.com arjay@arjayeng.com...
  • Page 2 Over 30 years of Arjay’s field proven HF capacitance technology has been applied to the 9820/9830-OWS oil water separator alarms. The sensing probe continuously monitors for oil to control pumps, operate valves, or activate alarms.
  • Page 3 9820 | 9830-OWS The 9820/9830-OWS sensing probe monitors the capacitance field around the active probe tip. As the volume of separated oil increases in the separator or is drawn down toward the probe tip, the probe capacitance changes. This change is used to activate the relay for alarm interface and control.

  • Page 4: Table Of Contents

    MODEL DOCUMENT TYPE DOCUMENT FILE NAME REV. 9830-OWS USER MANUAL 9830OWSUM14.DOC 1.4 CREATE DATE REV. DATE PRINT DATE 04/08/2003 12/22/2009 10:07 AM 12/22/2009 10:07:00 AM TABLE OF CONTENTS INSTRUMENT OVERVIEW.................... 3 FEATURES ....................... 3 DESCRIPTION ....................3 INSTALLATION ......................6 PROBES ......................

  • Page 5: Instrument Overview

    For use with any Arjay Level Probes DESCRIPTION The ARJAY 9830-ows oil level alarm is specifically designed for use in Oil/Water Separators and in Sumps. The unit senses the change in dielectric of water to oil using a RF capacitance measurement technique together with microcontroller technology for high resolution measurements.
  • Page 6 REV. 9830-OWS USER MANUAL 9830OWSUM14.DOC 1.4 CREATE DATE REV. DATE PRINT DATE 04/08/2003 12/22/2009 10:07 AM 12/22/2009 10:07:00 AM 9830-OWS OIL / WATER SEPARATOR APPLICATION 2 WIRE (SHIELDED) INTRINSIC SAFETY BARRIER (OPTIONAL) 9830-OWS Arjay Manway Level Probe Oil Pump Earth Line...
  • Page 7 MODEL DOCUMENT TYPE DOCUMENT FILE NAME REV. 9830-OWS USER MANUAL 9830OWSUM14.DOC 1.4 CREATE DATE REV. DATE PRINT DATE 04/08/2003 12/22/2009 10:07 AM 12/22/2009 10:07:00 AM OPERATION The unit uses an RF Capacitance measurement technique for high resolution measurements. When the presence of oil displaces the water the level probe senses the decrease in capacitance and the control unit will indicate an alarm condition and change the state of it’s...

  • Page 8: Installation

    12/22/2009 10:07 AM 12/22/2009 10:07:00 AM INSTALLATION NOTE: If any damage to the instrument is found, please notify an Arjay Engineering representative as soon as possible prior to installation. Choose the mounting location in accordance with good instrument practice. Extremes of ambient temperature and vibration should be avoided.
  • Page 9 MODEL DOCUMENT TYPE DOCUMENT FILE NAME REV. 9830-OWS USER MANUAL 9830OWSUM14.DOC 1.4 CREATE DATE REV. DATE PRINT DATE 04/08/2003 12/22/2009 10:07 AM 12/22/2009 10:07:00 AM THREADED ENTRY FLANGED ENTRY CONCENTRIC SHIELD ENTRY Use wrench on Lower Hex ONLY 2" Entry...

  • Page 10: Electrical Installation

    MODEL DOCUMENT TYPE DOCUMENT FILE NAME REV. 9830-OWS USER MANUAL 9830OWSUM14.DOC 1.4 CREATE DATE REV. DATE PRINT DATE 04/08/2003 12/22/2009 10:07 AM 12/22/2009 10:07:00 AM ELECTRICAL INSTALLATION ALARM STATUS CALIBRATE Single DPDT relay with dry contacts DIELECTRIC rated at 5A @...

  • Page 11: Startup And Calibration

    MODEL DOCUMENT TYPE DOCUMENT FILE NAME REV. 9830-OWS USER MANUAL 9830OWSUM14.DOC 1.4 CREATE DATE REV. DATE PRINT DATE 04/08/2003 12/22/2009 10:07 AM 12/22/2009 10:07:00 AM STARTUP AND CALIBRATION ALARM STATUS Calibrate Pushbutton CALIBRATE DIELECTRIC Normally set for HIGH HIGH Normally set for 3 SENSITIVITY Alarm delay: 0 - 20sec.

  • Page 12: Alarm Time Delay

    MODEL DOCUMENT TYPE DOCUMENT FILE NAME REV. 9830-OWS USER MANUAL 9830OWSUM14.DOC 1.4 CREATE DATE REV. DATE PRINT DATE 04/08/2003 12/22/2009 10:07 AM 12/22/2009 10:07:00 AM 3.2.2 Alarm Time Delay This is set via the Alarm Delay switch. An alarm based on the Relay Action switch must be present for at least the time delay value for the relay to switch to the alarm state.

  • Page 13: Troubleshooting

    MODEL DOCUMENT TYPE DOCUMENT FILE NAME REV. 9830-OWS USER MANUAL 9830OWSUM14.DOC 1.4 CREATE DATE REV. DATE PRINT DATE 04/08/2003 12/22/2009 10:07 AM 12/22/2009 10:07:00 AM Make sure the Oil/water Separator is filled with water to capacity or the Sump level above the active portion of the probe.
  • Page 14 MODEL DOCUMENT TYPE DOCUMENT FILE NAME REV. 9830-OWS USER MANUAL 9830OWSUM14.DOC 1.4 CREATE DATE REV. DATE PRINT DATE 04/08/2003 12/22/2009 10:07 AM 12/22/2009 10:07:00 AM  3. False alarms Add some time delay to unit.  If coax cable is used from sensors to pulse card (PMC 2000), make sure it is not coiled (may cause an increase in inductance).

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