manual 77095 -00.pdf

OPERATING MANUAL

LIQUI-SENSE CONTROLLERSMODEL NO. 77096-00MODEL NO. 77096-05

AND

LIQUI-SENSE DETECTORSMODEL NO. 77095-00MODEL NO. 77095-01

Cole-Parmer Instrument Co.625 East Bunker Court

Vernon Hills, Illinois U.S.A. 60061-1844

(847) 549-7600(847) 247-2929 (fax)

800-323-4340www.coleparmer.com

e-mail: [email protected]

A-1299-0512Edition 03

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Color profile: DisabledComposite Default screen

SAFETY PRECAUTIONSWARNINGS: If the equipment is used in a manner other than as

specified, protection provided by the equipment may beimpaired.No user serviceable parts are inside of this Controller.Refer servicing to your dealer.

WARNING: The LIQUI-SENSE Controller must be positioned so leak-ing liquid will not enter the rear power connectors. Useof a power line with a Ground Fault Interrupt (GFI) isrecommended.

CAUTION: Use with caustic liquids not compatible with detectormaterials voids warranty.

EU Declaration of ConformityName of Apparatus: Liqui-Sense ControllerModel Numbers: 77096-05Description of Apparatus: Fluid Monitor SystemBarnant Company declares that the above model is in conformity to the followingharmonized standards and directives:

ApplicableDirectives

ApplicableSpecifications

ManufacturersReport Number

73/23/EEC93/68/EEC

EN61010-1/A2: 1995 TR9516

89/336/EEC92/31/EEC93/68/EEC

EN61326-1/A1: 1998 TR9519

The last two digits of the year in which the current configuration of the above modelswas assessed per the Low Voltage Directive is: 00.Manufacturer:

Barnant Company DivisionCole-Parmer Instrument Company28W092 Commercial AvenueBarrington, IL 60010USATel.: 847-381-7050

Manufacturers Signature:

22 August, 2000_________________________ _______________________

James W. Doll DateVice President, Engineering

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TABLE OF CONTENTSTitle PageSAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iINTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2APPLICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6INSTALLATION AND SETUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Operator Control and Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Startup Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15Operational Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

SENSITIVITY ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16MAINTENANCE AND TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . 17

Fuse Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21PRODUCT RETURN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21TECHNICAL ASSISTANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21APPENDIX A: AUXILIARY CABLE CONNECTIONS . . . . . . . . . . . . . 22

Only the Model 77096-00 LIQUI-SENSE Controller is UL and cUL listed.

Trademarks bearing the symbol in this publication are registered in the U.S. and in other countries.

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INTRODUCTIONThe LIQUI-SENSE Controller is a two-channel alarm system used to senseliquid leaks using a specially designed detector or used with other liquiddetectors such as high or low liquid level detectors. The Model 77096-00LIQUI-SENSE Controller operates from 115V AC and the Model 77096-05operates from 230V AC.When an alarm condition is sensed on either channel,the LIQUI-SENSE Controller can perform the following actions: Disconnect power to a pump drive. Activate an auxiliary pump drive to resume pumping through a second

pump drive. Activate the front panel red ALARM ON indicator. Sound an audible alarm if the audible alarm is enabled. Provide a contact closure output that can be used to activate an

Environment Monitor for automatically telephoning the user of the failure,or to activate any other device that operates from a contact closure input.The contact closure may also be used to operate shut-off or switchablevalves to redirect flow.

The LIQUI-SENSE Detector Model 77095-00 (detector with cable) or Model77095-01 (detector without cable) is used to sense leaks in pump headsresulting from ruptures of the tubing.This detector is not supplied with the unitand must be ordered separately. (See ACCESSORIES.)

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APPLICATIONSThe LIQUI-SENSE Controller and LIQUI-SENSE Detector can be used witha wide variety of different pump systems for leak detection. The alarmcontroller has two inputs. These can both be used with LIQUI-SENSEDetectors, or one input can be used with a LIQUI-SENSE Detector and thesecond input used with other type detectors such as a liquid level detector fordetermining high or low levels in a container.Figures 1 through 5 show varioussuggested detector arrangements in different pump systems. Tubing isomitted for clarity.

Figure 1. Typical B/T RAPID-LOAD Pump with LIQUI-SENSE Detectorpositioned under open side of pump

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Figure 2. Typical L/S Cartridge Pump with two LIQUI-SENSE Detectorscentered under the group of cartridges

Figure 3. Typical L/S EASY-LOAD Pump with LIQUI-SENSE Detectorpositioned under main pump, auxiliary pump mounted on topof main pump and both pumps connected to Alarm Controller

for automatic switch over when a leak is detected

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Figure 4. Typical I/P EASY-LOAD Pump with LIQUI-SENSE Detectorcentered under the pump and a level detector connected to the

second input of the Alarm Controller

Figure 5. Standard Stacked Pump System with two LIQUI-SENSEDetectors positioned for optimum leak detection

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DESCRIPTIONThe LIQUI-SENSE Controller, shown in Figure 6, is used to monitor variousliquid detector devices. When an alarm condition is detected, the controllerdeactivates the rear panel MAIN OUTPUT power connector and suppliespower to the AUXILIARY OUTPUT power connector. Also, when the alarmcondition is detected, a contact closure output is provided at the rear panelCONTACT CLOSURE OUTPUT connector (a 1/8-inch phone-typeconnector) for activating remote devices such as an Environment Monitor ora second pump drive. The fault condition is indicated by a red ALARM ONindicator on the front panel and by an audible alarm (unless the ALARMAUDIBLE switch has been set to OFF).

The MAIN and AUXILIARY connectors, shown in Figures 7 and 8, are usedto connect to external devices such as pumps. The pump connected to theMAIN OUTPUT connector will operate when no alarm condition exists.Whenan alarm condition is detected, power to the MAIN OUTPUT connector isturned off and power is applied to the AUXILIARY OUTPUT connector. Thus,if no pump is connected to the AUXILIARY OUTPUT connector, pumping willcease. If a pump is connected to the AUXILIARY OUTPUT connector, thatpump will be turned on. The switch over occurs within one second afterdetection of an alarm condition.

Figure 6. LIQUI-SENSE Controller (Alarm Module)

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Power is applied to the unit through a permanently attached line cord on the115V AC model and through an IEC 320/CEE 22 connector coupler (femaleline cord/male socket) on the 230V AC units. A number of accessory inputand output power cords are available. (See ACCESSORIES.) The power iscontrolled by the rear panel OFF-ON switch. Power-on is indicated by a frontpanel green POWER ON indicator.The CONTACT CLOSURE OUTPUT connector (rear panel) provides alatched contact closure output, rated 30V DC at 1 ampere max., when analarm condition is detected. This output can be connected to an EnvironmentMonitor, which then can telephone the user to signal the alarm condition.Thisoutput can also be connected to any device that operates from a contactclosure condition, such as a warning system. An accessory cable is listed inthe ACCESSORIES Section.

Figure 7. Rear Panel Model 77096-00 (115V AC)

Figure 8. Rear Panel Model 77096-05 (230V AC)

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The locking modular INPUT connectors (front panel) connect to externaldetectors. Each input has a SENSITIVITY adjustment that is used only withthe LIQUI-SENSE Detectors. The sensitivity is factory set so that when thedetector is placed within one inch of the pump, less than one mL ofwater-based liquid will trigger the detector. For other types of liquids, or tochange the sensitivity level, refer to the SENSITIVITY ADJUSTMENTSection. Sensitivity adjustment may be required when operating with cableslonger than 3-1/2 feet or in a high-temperature, high-humidity environment.The LIQUI-SENSE Controller is housed in a slate gray ABS plastic enclosure,with aluminum front and rear panels. The unit can be placed on a flat surface,on a support platform or on the top surface of some MASTERFLEX or othertype pumps.The LIQUI-SENSE Detector Model 77095-00 (with cable) or Model 77095-01(without cable), Figure 9, operates on a capacitance change principle. Thedetector is designed to be placed under the pump.If a leak occurs in the pumptubing, the liquid will fall on the top surface of the detector. When sufficientsurface area is moistened (less than 1 mL of water-based liquid when usingthe factory sensitivity setting), the change in capacitance is sufficient toactivate the alarm circuits.The detector has a locking modular type connector.The cable between the detector and the controller is 3-1/2 feet long withmodular locking connectors on both ends.Ten-foot and fifteen-foot accessorycables are available.Refer to APPENDIX A for pin configuration for the cableswhen connecting other detector types.

A four-inch hook-and-loop fabric fastener strip allows for attachment of thedetector pad to a flat surface to prevent the detector pad from moving. Thedetector pad can also be permanently mounted by attaching it to a flat surfacewith two #4 screws. The screw locations at the corners of the detector padare indicated by two circular markers. The detector structure will need to bepunctured by the screw for permanent attachment.

Figure 9. LIQUI-SENSE Detector Model 77095-01

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INSTALLATION AND SETUPNOTE: Retain all packing materials until proper operation has been verified.WARNING: The LIQUI-SENSE Controller must be positioned so leaking

liquid will not enter the rear power connectors. Use of apower line with a Ground Fault Interrupt (GFI) is recom-mended.

Proceed as follows to setup the LIQUI-SENSE Controller:1. Place the rear panel power OFF-ON switch in the OFF position.

NOTE: For 115V AC pump models, the pump power cord will plug directlyinto the MAIN OUTPUT or AUXILIARY OUTPUT connectors on therear panel of the LIQUI-SENSE Controller.For 230V AC models, usepump cable 77096-50 for pumps with European connectors or pumpcable 77096-55 for pumps with other style connectors.

2. Connect pumps as follows:a. If a main pump and a standby (auxiliary) pump are to be used,

connect the main pump to the MAIN OUTPUT connector on the rearpanel and connect the standby (auxiliary pump) to the AUXILIARYOUTPUT connector.

b. If only the main pump is to be used with no standby, and the pumpis to shut down when an alarm condition exists, connect the mainpump to the MAIN OUTPUT connector. The AUXILIARY OUTPUTconnector can be used to power other devices such as lights, remotealarms or other equipment.

c. If only the main pump is to be used with no standby, and the pumpis not to shut down when an alarm condition exists, connect the mainpump to a separate power source. The MAIN OUTPUT connectorand the AUXILIARY OUTPUT connector can be used to power otherdevices such as lights, remote alarms or other equipment.

3. Connect one end of the detector cable(s) to the front panel INPUTconnector(s) and the other end to the desired detector(s). Only onedetector can be connected to each INPUT connector.Detectors must beconnected using a cable configured as shown in APPENDIX A. Makesure cable connections are secure or unit will not function properly.

4. The LIQUI-SENSE Detector must be positioned under the pump so thatany leakage will drip onto the detector pad target area (area outlined withthe black lines). The detector can be secured in place usinghook-and-loop fabric fasteners or can be permanently fastened with #4screws. Two circular marks are located on the outer edge of the detector

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for position of screws. Do not insert screws in any other location on thedetector pads. The location of the detector for various typical pumps areas follows:a. For a typical B/T RAPID-FLOW pump, the detector should be located

directly under the opening at the right side of the pump as shown inFigure 10.

b. For typical L/S Cartridge pumps, the detector should be centeredunder the group of cartridges. For large numbers of cartridges, usetwo detectors as shown in Figure 11.

Figure 11. Positioning LIQUI-SENSE Detectorsunder an L/S Cartridge Pump

Figure 10. Positioning a LIQUI-SENSE Detectorunder a B/T RAPID-FLOW Pump

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c. For typical L/S EASY-LOAD pumps, the detector should be centereddirectly under the weep hole as shown in Figure 12.

d. For typical I/P EASY-LOAD pumps, two weep holes are located underthe pump. A single detector can be centered under the weep holesas shown in Figure 13. For better reliability, two separate detectorscan be used with one centered under each weep hole as shown inFigure 14.

Figure 12. Positioning a LIQUI-SENSE Detector under anL/S EASY-LOAD Pump

Figure 13. Positioning a single LIQUI-SENSE Detector under anI/P EASY-LOAD Pump

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e. For typical standard stacked pumps where only one or two pumpsare used, a single detector can be centered under the stack of pumps.When a larger number of pumps are used, two detectors should bepositioned to assure optimum leak detection as shown in Figure 15.

Figure 14. Positioning two LIQUI-SENSE Detectors under anI/P EASY-LOAD Pump

Figure 15. Positioning two LIQUI-SENSE Detectors under astack of Standard Pumps

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5. If an Environment Monitor (such as a COLE-PARMER Model 08330) isto be used or if another external device requiring a contact closure toactivate it is to be used, connect the 1/8-inch phone cable connector fromthe rear panel CONTACT CLOSURE OUTPUT connector to the externaldevice.

6. Connect the LIQUI-SENSE Controller POWER INPUT cord as follows:a. For 115V AC unit, connect line cord to 115V AC 50/60 Hz power

source.

b. For 230V AC unit, connect power cable between rear panel POWERINPUT connector and 230V AC 50/60 Hz power source.

This completes the electrical connectors. Proceed with the OPERATIONSection.

OPERATIONOperator Controls and IndicatorsAll operator controls except the power OFF-ON switch are located on the frontpanel as shown in Figure 16. These controls and indicators are as follows:

POWER ON Indicator Green LED illuminates when powerOFF-ON switch is in the ON position andinput power is present.

SENSITIVITY Controls Adjusts the sensitivity of the circuit for usewith the LIQUI-SENSE Detectors. (Pre-setat factory for typical applications.)

ALARM TEST Momentary push-button. Tests the audiblealarm, the visual alarm, the switching of ACpower from the rear panel MAIN OUTPUTto the AUXILIARY OUTPUT connectors andthe contact closure at the rear panelCONTACT CLOSURE OUTPUT connector.These are activated while the button ispushed and reset automatically uponrelease.

ALARM ON Indicator Red LED illuminates when an alarmcondition is present.

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ALARM RESET Momentary push-button. Resets alarmcircuits after alarm condition is removed(detector pad wiped clean, tank filled, etc.).While push-button is held in, the systemreverts to the non-alarm condition. If thealarm condition is not cleared when theALARM RESET switch is released, the unitwill go back into the alarm condition. It maybe convenient to hold in the ALARMRESET button while priming or purging thesystem when a level detector is used.

ALARM AUDIBLEOFF-ON Switch

In the OFF position, the audible alarm willnot sound during an alarm condition. In theON position, the audible alarm will soundduring an alarm condition.

Power OFF-ON Rocker type switch located on rear panel.Disconnects all AC power from unit andfrom equipment connected to the MAINOUTPUT or AUXILIARY OUTPUTconnectors.

Figure 16. LIQUI-SENSE Controller Front Panel

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Startup Procedure1. Check that all connections have been made as described in the

INSTALLATION Section.2. Check that detectors are connected and properly positioned. Only one

detector can be connected to each channel. Use hook-and-loop fabricfasteners to secure detector in position or, if permanent mounting isdesired, detector can be attached with #4 screws as described in theINSTALLATION Section.

NOTE: Tubing may break at locations other than expected. Using a seconddetector can provide for better detection.

3. If the audible alarm is to operate, set ALARM AUDIBLE switch to the ONposition. If no audible alarm is desired, place ALARM AUDIBLE switchin the OFF position.

4. Set rear panel power OFF-ON switch to the ON position and check thatthe front panel green POWER ON indicator is lit. The equipment shouldnow be operating normally.

5. If an alarm condition exists, proceed to the SENSITIVITY ADJUSTMENTSection. If level detectors are used, they may need to be inverted orrotated 180 for proper operation.The audible alarm can be turned off byplacing the ALARM AUDIBLE switch in the OFF position.

6. Perform the LIQUI-SENSE Detector Sensitivity Check using drops of thesame liquid used in your application.

Operational ChecksLIQUI-SENSE CONTROLLERAn operational check of the LIQUI-SENSE Controller can be performed usingthe ALARM TEST switch .This test should be performed only when temporarytransfer of power from the MAIN OUTPUT connector to the AUXILIARYOUTPUT connector will not be disruptive.Proceed as follows:1. Set the ALARM AUDIBLE switch to ON for the audible alarm to be

activated or to OFF to deactivate the audible alarm.2. Set power OFF-ON switch to ON position and check that POWER ON

indicator is illuminated.3. Press and hold the ALARM TEST SWITCH.Check that the audible alarm

sounds (if activated), the ALARM ON indicator is illuminated, that powershifts from the MAIN OUTPUT connector to the AUXILIARY OUTPUTconnector and that the CONTACT CLOSURE OUTPUT activates anyequipment connected to the output.

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LIQUI-SENSE DETECTOR SENSITIVITY CHECKThe LIQUI-SENSE Detector sensitivity may be checked as follows:

1. Connect detector to one of the front panel INPUT connectors, if notalready connected.

2. Place water one drop at a time on the detector pad. Do not drop waterfrom more than one inch.

3. Check number of drops required to activate alarm.Pre-set factory settingshould activate alarm with less than 1 mL of liquid. If activation level isnot as desired, refer to SENSITIVITY ADJUSTMENT Section.

4. After activating alarm,momentarily press then release theRESETbutton.Alarm condition should still be present.

5. Wipe detector surface clean with a dry cloth and momentarily press, thenrelease, the RESET button. Alarm condition should terminate, ALARMON indicator should extinguish and, if activated, audible alarm shouldturn off.

SENSITIVITY ADJUSTMENTGenerally, no sensitivity adjustment of the LIQUI-SENSE Controller isrequired. However, various liquids or environmental conditions such astemperature and humidity may require adjustment of the SENSITIVITYcontrols for use with the LIQUI-SENSE Detectors. The SENSITIVITYadjustment is accessed through the small hole adjacent to each INPUTconnector. Contact closure or logic level detectors do not require adjustmentof the SENSITIVITY control.If the factory default setting for sensitivity is not activating the alarm, or isfalsely activating the alarm for the liquid being sensed, adjust the inputsensitivity with one channel connected at a time. Turn the SENSITIVITYcontrol clockwise to increase sensitivity (fewer drops will activate) orcounterclockwise to decrease sensitivity.NOTE: If the sensitivity is increased so much that the red ALARM ON

indicator illuminates, the RESET button must be depressed eachtime sensitivity is decreased until the indicator extinguishes.

Normal sensitivity adjustment is between one-quarter and two turnscounterclockwise from the activation point. The activation point is defined asthat sensitivity set when ALARM ON indicator just illuminates. Refer to Table1 for typical sensitivity settings for various liquids.The middle column indicatesthe number of turns counterclockwise from the activation point that the

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sensitivity control should be set for proper operation.The last column indicatesthe quantity of fluid required in the target area of the detector to activate thedetector.Sensitivity will change with detector position or when used near metallicobjects (e.g., table). Also, sensitivity changes when using longer (optional)cables.CAUTION: Use with caustic liquids not compatible with detector ma-

terials voids warranty.

MAINTENANCE AND TROUBLESHOOTINGWARNING: No user serviceable parts are inside of this Controller.Refer

servicing to your dealer.

Fuse ReplacementThe 115V AC LIQUI-SENSE Controller uses a 10-A Slo-Blo fuse (3AG, partnumber B-1115-0052), which is located in the fuse holder on the rear panel.The 230V AC LIQUI-SENSE Controller uses a 6.3-A fuse (5 x 20 mm, partnumber B-1115-0054), which is located in the drawer in the POWER INPUTconnector on the rear panel. Replace only with the correct fuse.

CleaningClean the top surface of the detector pad with a soft, dry cloth. If liquid cleaneris used, rinse and dry thoroughly before resuming operation. Keep theLIQUI-SENSE Controller enclosure clean by using a mild detergent. Neverimmerse or use excess fluid.

FluidTypeSetting (Turns ccw

from activation point) Nominal VolumeDistilled Water 112 < 1 mLTap Water 112 < 1 mLAcetic Acid (10% max.) 112 < 0.5 mLAlcohols 112 < 0.5 mLGlycerin 112 < 2.0 mL10W Motor Oil 12 < 2.0 mL

Table 1. Typical Sensitivity Settings

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TroubleshootingThe following chart will help identify most problems that can be corrected bythe operator. If the fault cannot be located, return unit for servicing.

Troubleshooting ChartSYMPTOM CAUSE REMEDY

POWER ON indicatordoes not illuminatewith Power OFF-ONswitch in ON position

Fuse blown Replace fuse

Power cord notplugged into activepower source

Plug in power cord

ALARM LIGHTilluminates butaudible alarm doesnot sound

ALARM AUDIBLEswitch not set to ONposition

Set switch to ONposition

Alarm does notactivate for a faultcondition

Detector not connected Connect detector

Sensitivity set too low Increase sensitivity(LIQUI-SENSEDetector only)

Detector cabledefective

Replace cable

Detector inoperative Replace detectorRESET button doesnot reset unit whendepressed

Fault not cleared Clear fault

Sensitivity set toohigh

Lower sensitivity(LIQUI-SENSEDetector only)

RESET button failure Return unit for servicingAlarm activated butpump continues tooperate

Pump not connectedto MAIN OUTPUTbut directly to apower source

Connect pump to MAINOUTPUT for shutdownwhen an alarmcondition is sensed.

Alarm activated butauxiliary pump doesnot turn on

Auxiliary Pump notconnected toAUXILIARY OUTPUT

Connect auxiliary pumpto AUXILIARYOUTPUT

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ACCESSORIESThe accessories and service parts listed below are available from your dealer.Part Name Part NumberLIQUI-SENSE Detector Pad and 3.5 ft Cable 77095-00LIQUI-SENSE Detector Pad 77095-01Cable, Detector Pad, 3.5 ft 77095-02Cable, Detector Pad, 10 ft 77095-03Cable, Detector Pad, 15 ft 77095-04IEC320M/IEC320F Pump power

cable (connects modular plugto LIQUI-SENSE Controller) 77096-50

IEC320F/F Pump power cable(connects European plugto LIQUI-SENSE Controller) 77096-55

Cable with 1/8-inch phone plug 23000-70Out-of-Liquid Detector 77095-50Power Cords for 230V AC Controllers

European (standard) 50001-70British 50001-72Swiss 50001-74Italian 50001-76NEMA Type 6-15P 50001-78

Fuse115V: 10A, 250V, SLO-BLO, 3AG B-1115-0052230V: T6.3A, 250V, 5220mm B-1115-0054

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SPECIFICATIONSOutput:

Contact Closure Output Rating: 30V DC1 Ampere MaximumAudible Alarm Sound Level: 90 dBA

Input:Line Voltage Limits

(115V AC Controller): 102132V AC 50/60 Hz Single Phase*(230V AC Controller): 190260V AC 50/60 Hz Single Phase

Power Dissipation: 1.2 kVA maximumAC Line Current: 10 A max at 115V AC

6.3 A max at 230V ACInstallation Category: Installation Category II per IEC 664

(Local levelappliances, portableequipment, etc.)

Construction:Controller Dimensions: 3 in H 2 8.1 in W 2 6.3 in DLIQUI-SENSE

Detector Dimensions: 5.0 in 2 2.6 inWeight: 3 lbsDetector Cable Length: 3.5 feet (others available)Enclosure Rating: IP22 per IEC 529

Environment:Operating Temperature Range: 0C (32F) to 40C (104F)Storage Temperature: 45C (49F) to 65C (149F)Humidity (non-condensing): 10 to 85%Barometric Pressure: 75 to 106 kPaAltitude: less than 2000 mPollution Degree: Pollution Degree 2 per IEC 664

(Indoor Usagelab, office)Chemical Resistance:

LIQUI-SENSE Controller: All materials withstand commoncleaning solvents. Constructionmaterials used are polyesterlabels, ABS plastic enclosure andzinc-plated screws.

LIQUI-SENSE Detector: Top layer Flat polyester attachedwith polyester laminate.Bottom layer Polyester attachedwith polyester laminate.Connector is ABS plastic.

Compliance: 115V: UL508, CSA C22.2, No. 14-M91230V (For CE Mark):EN61010-1/A2: 1995(EU Low Voltage Directive) andEN61326-1/A1: 1998 (EU EMC Directive)

*Unit operating voltage range as tested by Underwriters Laboratories. This unit has been designed and tested by themanufacturer for an extended operating voltage range of 90132V AC.

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WARRANTYThe Manufacturer warrants this product to be free from significant deviationsfrom published specifications. If repair or adjustment is necessary within thewarranty period, the problem will be corrected at no charge if it is not due tomisuse or abuse on your part, as determined by the Manufacturer. Repaircosts outside the warranty period, or those resulting from product misuse orabuse, may be invoiced to you.The warranty period for this product is noted on the Warranty Card.

PRODUCT RETURNTo limit charges and delays, contact the seller or Manufacturer forauthorization and shipping instructions before returning the product, eitherwithin or outside of the warranty period. When returning the product, pleasestate the reason for the return. For your protection, pack the product carefullyand insure it against possible damage or loss. Any damages resulting fromimproper packaging are your responsibility.

TECHNICAL ASSISTANCEIf you have any questions about the use of this product, contact theManufacturer or authorized seller.We reserve the right to make improvements in design, construction andappearance of our products without notice.

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APPENDIX AAUXILIARY CABLE CONNECTIONS

Each Cable Assembly is 3-1/2 feet long and is composed of a 6-conductorshielded flat cable with PVC jacket. Ten-foot and fifteen-foot cables are alsoavailable. Six pin modular plugs are attached at each end. Refer to thefollowing chart for pin output:

For level detector (sensors) connections, cut off one end of the six conductorflat cable, or cut the cable in half, if using longer cables, to make two pieces.Strip the shield (metal) and plastic jacket back two inches. Spread the wires.Strip back one inch of the black wire, pin 1, and white wire, pin 2. Fold theother wires back along the plastic jacket and tape or cut off as desired. Twistone lead of the level detector to the black lead of the cable, pin 1, and twistthe other lead of the level detector to the white lead of the cable, pin 2. Solderthe two connections together or use a wire nut if possible. Tape aroundexposed bare wire areas.

Pin Signal Color1 Ground Black2 Contact Closure or Logic Low

InputWhite

3 12V DC Red4 Capacitive Plate Input Green5 Capacitive Plate Input Brown6 Shield Guard Bare Tin

Figure A-1. Level Sensor Connections

Printed in U.S.A.030800

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manual 77095 -00.pdf

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