Cool Air LBW-50 Manual
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Cool Air LBW-50 Manual

Ammonia leak detector
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LBW-50-SS (solid state sensor)
LBW-50-EC (electrochemical sensor)

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Summary of Contents for Cool Air LBW-50

  • Page 1 LBW-50-SS (solid state sensor) LBW-50-EC (electrochemical sensor)
  • Page 2 PERSONNEL. AVIS: RISQUE DE CHOC ELECTRIQUE. NE PAS ENLEVER LE COUVERCLE. AUCUN ENTRETIEN DE PIECES INTERIEURES PAR L'USAGER. CONFIER L'ENTRETIEN AU PERSONNEL QUALIFIE. P a g e Rev. 4.2 4/10/2020 Copyright © 2019 by Cool Air Incorporated. All rights reserved.

  • Page 3: Table Of Contents

    N ................6 ’ ’ P ..............13 R ..... 14 ) ..18 ) ....................20 T ................22 Y ....................23 S ..............24 Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.

  • Page 4: I M P O R T A N T - R E A D T H I S F I R St

    Adequately cover or purchase an ABS washdown tube to protect the detector sensor during washdown and avoid spraying the washdown liquid directly onto the sensor. Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.

  • Page 5: I N T R O D U C T I On

    The Cool Air Incorporated LBW-50 is an AC/DC powered state-of- the-art ammonia leak detector that detects and indicates ammonia concentrations of 25 to 800 parts per million (PPM). It comes equipped with a solid-state, long-life ammonia sensor that has a quick and accurate response to ammonia concentrations.

  • Page 6: A V A I L A B L E O P T I O Ns

    In addition to the standard features, the LBW-50 can be equipped with these options: • A remote ammonia sensor with cable allowing the sensor to be located a maximum of 500 feet away from the detector. An internal back-up battery to keep the detector working •...

  • Page 7: Part S D E S C R I P T I On

    Also available with electrochemical sensor. If a new ammonia sensor is installed, the detector must be re- calibrated. See the “TESTING AND CALIBRATION” section starting on pages 21-23. Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.
  • Page 8 Each control is described in detail in the following pages. When the detector enclosure is open, this circuit board is on the left, attached to the front panel. Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.

  • Page 9: O T E J U M P E R S

    8. For a remote sensor, both jumpers must connect pins 1 to 2, the far-left position when viewed as shown in the picture on page Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.

  • Page 10: L O C A L / R E M R E L A Y L E D S

    PARTS INSIDE. REFER TO QUALIFIED SERVICE PERSONNEL. AVIS: RISQUE DE CHOC ELECTRIQUE. NE PAS ENLEVER LE COUVERCLE. AUCUN ENTRETIEN DE PIECES INTERIEURES PAR L'USAGER. CONFIER L'ENTRETIEN AU PERSONNEL QUALIFIE. Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.
  • Page 11 Power for the LBW-50 must be a nominal 100 to 240 Volts AC, 50/60 Hz, 16 VAC, or 24 VDC. The 100 to 240 Volts AC power is connected to the AC to DC converter mounted on the back panel of the enclosure.
  • Page 12 Wiring Diagram: LBW-50 Installation wiring diagrams for the LBW-50. The 100 to 240 VAC diagram is shown below, and the 24 VAC or 24 VDC diagram is on page 12. Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.
  • Page 13 Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.

  • Page 14: I N S T A L L A T I O N A N D S E T Up

    Apply power to the detector and allow the sensor to warm up to normal operating temperature (at normal operating temperature, all LEDs will be unlit). Hold the desired ammonia test bottle over the sensor head. Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.

  • Page 15: C O N N E C T I N G T H E E L E C T R O C H E M I C A L S E N S Or

    & CALIBRATION” section on page 19-22. Connect wire 3 to “BLK” terminal Connect wire 2 to “GRN” terminal Connect wire 1 (wire with blue stripe) to “WHT” terminal Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.

  • Page 16: Remote Sensing

    The wiring diagram below shows the connections from the LBW-50 to the Remote Sensor. All connections to the Remote Sensor are made at the LBW-50 terminal strip on the Front Panel Circuit Board using 4 conductor shielded cable. Note specifically that the RED WIRE CONNECTS TO THE RED REM TERMINAL AND DOES NOT CONNECT TO THE ‘RED’...
  • Page 17 The wiring diagram below shows the connections from the LBW-50 to the Remote Alarm. Power for the Remote Alarm is derived from the 16 VAC or 24 VDC ‘Power’ terminal strip on the LBW-50 Front Panel Circuit Board. An Alarm signal is derived from the LBW-50 enclosure-mounted circuit board.
  • Page 18 Cool Air Incorporated. Prior to removing the old battery, disconnect the leak detector power supply, remove the black and red wires from the battery terminals, cut the wire cable strap (used primarily for shipping), and remove the battery from the Velcro mounting pad.

  • Page 19: I C T E S T A N D C A L I B R A T I O N ( W I T H S O L I D S T A T E S E N S O R )

    At the time of calibration, you must use a new test bottle of ammonia that can be purchased from Cool Air Inc. or their distributors. If a new ammonia sensor is installed, the detector must be recalibrated.
  • Page 20 Use a new ammonia test bottle. These can be purchased from your local Cool Air Incorporated distributor or directly from the manufacturer. Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.

  • Page 21: T S E

    At the time of calibration, you must use a new test gas bottle of ammonia that can be purchased from Cool Air Inc. or their distributors. If a new ammonia sensor is installed, the detector must be recalibrated.
  • Page 22 “SERVICE” position in step # 4 above. We recommend this calibration to be performed once a year or whenever the sensor has been replaced. Use a new Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.

  • Page 23: T E C H N I C A L S U P P O Rt

    Cal gas bottle. These can be purchased from your local Cool Air Incorporated distributor or directly from the Cool Air Incorporated. For technical support, contact Cool Air Incorporated using any of these methods: Contact: Sales@coolinc.com Phone: (763) 205-0844 (USA)

  • Page 24: W A R R A N Ty

    The LBW-50 comes with a 36-month warranty from the time of purchase. Cool Air Incorporated guarantees that the LBW-50 ammonia leak detector, when connected to and operated in accordance with the instructions contained in this manual, will perform in accordance with the warranty expressed on the cover of the detector.
  • Page 25 24 VDC, 0.58 Amps max. or 16VAC, 0.65 Amps max. Dimensions: 7-1⁄2"H x 7-1⁄2"W x 4-1⁄2"D Weight: 4 lbs. NEMA 4X rated, UL listed, CSA, IEC, Enclosure: IP66 Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.

  • Page 26: Rev

    1. Remote ammonia sensor with box and cable (500 ft. max.) 2. Back-up battery Options 3. ABS washdown tube 4. Remote alarm light and horn unit with box, cable, & TEST/NORMAL/SILENCE toggle switch. Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.
  • Page 27 THIS PAGE INTENINALY LEFT BLANK Rev. 4.2 4/10/2020 Page Copyright © 2019 by Cool Air Incorporated. All rights reserved.

This manual is also suitable for:

Lbw-50-ssLbw-50-ec

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