Myron-l Aquaswitch II Manuel d'utilisateur

INSTALLATION • OPERATION • MAINTENANCEResistivity Model: ASIIRConductivity/TDS Model: ASIICWater Quality InstrumentationAccuracy • Reliability • Sim

The above is a Special Order High Temperature sensor with a cellconstant of 0.1, made of Titanium, and a Wet-Tap Valve.Additional Ordering Information

RANGEResistivity0-20 MΩ0-10 MΩ0-5 MΩ0-2 MΩ0-1 MΩ0-500 KΩ0-200 KΩConductivity0-1 µS*0-1 ppm*0-2 µS*0-2 ppm*0-5 µS*0-5 ppm*0-10 µS0-10 ppm0-20 µS0-20 pp

II. INSTALLATIONA. GENERALThis section provides the recommended procedures for properlyinstalling the AQUASWITCH I Controller, or AQUASWITCHII Monitor

1. Select mounting site location. Mark and drill the requiredmounting holes. For hole drilling locations, see figureII.B.1.2. Insert the 1/4" X 2

2. Carefully unfasten and separate the AQUASWITCH'sfront panel from its enclosure.3. Disconnect all panel cable(s)/wires from theAQUASWITCH'

A device to disconnect the AQUASWITCH from thepower supply is required. It is recommended thatthis switch or circuit breaker be labeled as thedisconne

The following procedures are to be used to install theAQUASWITCH II to 115 VAC main power source. For theprocedures to install the optional 230 VAC ma

a. USP 25 MODIFICATION (No Temperature Compensation)This simple modification will allow your AQUASWITCH IIMonitor/controller to meet the USP 25 requi

5. SOLID STATE OUTPUT 24 VDC Unregulated 30mA max. The following instructions areassuming the Monitor/controller enclosure is already open. a. Piezo

6. SOLENOID VALVE CONNECTIONSThe solenoid valves require electrical power to operate. Thispower must be supplied by the user. See figure II.E.10 for t

AQUASWITCH I & II™QUICK REFERENCE GUIDE!If you read nothing else in thismanual please read this Quick Reference Guide. PLEASE READ and COMPREHEND

7. ALARM/CONTROL RELAY CONNECTIONSThe Myron L Company AQUASWITCH is equipped with a “DryContact” relay which is designed to energize/de-energize whent

F. 0-10VDC RECORDER OUTPUTThe 0-10VDC output is designed to give the user the capability ofsending a signal to a remote meter, recorder, PLC or SCADAs

G. RE-RANGE YOUR AQUASWITCH II(Range Module Installation)1. DESCRIPTIONThe AQUASWITCH II Monitor/controllers have been designedfor easy field re-range

III. OPTIONS & ACCESSORIESA. 4A/4AO MODULE (4-20mA OPTION)-4A 4-20mA Self/Remote-powered Isolated output module ordered with Monitor/controller.4A

PhysicalIf the front panel has all ready been removed from the enclosureskip to #3. 1. Using a standard slot screwdriver remove the two (2) screws on

4. If not, adjust the CAL control marked “4mA” until theDVM indicates 4mA, see figure III.A.5.5. Press the Full Scale Test Switch, the DVM shouldindic

4. CONVERTING A CURRENT TO A VOLTAGECurrent measuring devices actually measure voltage, but have aninternal resistor as shown in figures III.A.1 &

B. PIEZO ELECTRIC ALARM -PA Piezo Electric Alarm ordered with AQUASWITCH II.PAO Piezo Electric Alarm ordered separately forAQUASWITCH II.1. DESCRIPT

Test1. Turn power ON. Depending on configuration, the Piezowill sound off when —. NOTE: If the sensor is connected, the solution value, set pointvalue

C. TEMPERATURE MODULE-TP Temperature Module ordered with Monitor/controller.TPO Temperature Module Kit ordered separately. Requires; CSXX-TP sensor,

QUICK SET POINT ADJUSTMENT - See Section IV.B.2.The set point setting is based upon the user's particular water purity specifications or requirem

9. While holding the front panel, align the display to theopening and at the same time, align the Temperature Module mounting holes to the front panel

3. RECALIBRATIONElectronic Calibration Only. For System Calibration, see below.The Temperature Module was calibrated at the factory, however,if you wi

7. If not, adjust the calibration control marked “ZERO” (seefigure III.C.1 for location).8. Install SPAN resistor (1758.56Ω) across sensorterminals BL

D. REMOTE ALARM - RA™ RA Ordered as an accessory, includes 8” harness withconnector, and two (2) wire nuts. 1. DESCRIPTIONThis remotely mounted AUDIBL

alarm for approximately three minutes or until youimprove the water quality (readjust controller set point).If three minutes muting is fine for your a

IV. OPERATING PROCEDURESThe front panel illustrations, switch and indicator operationaldescriptions have been provided to assist the user in identifyi

!CAUTION - READ FOLLOWING CAREFULLYB. SETUP PROCEDURES These Setup procedures cover (1) converting the alarm circuit totrigger on a decreasing (cond

1. Using the “SET POINT CHECK” switch, verify that thedisplay indicates the desired Set Point.NOTE: If the display does not indicate the correct Set P

V. COMPONENT IDENTIFICATION, CALIBRATION AND PREVENTIVE CAREThis section provides detailed illustrations to assist the user inidentifying the AQUASWIT

B. “PURGE CYCLE” CALIBRATION PROCEDUREThe Purge Cycle control adjustment (see figure V.A.1) determinesthe time span that the Bleed and Process solenoi

1AQUASWITCH I™MYRON LCOMPANYBANK ABANK BWATER QUALITYBLEEDIN USE GOOD POORBANK SWITCH ALARM RESETAQUASWITCH II™Model ASIIR-11(A Digital Resis

!CAUTION - READ FOLLOWING CAREFULLYD. CALIBRATION PROCEDURESAQUASWITCH I does not require calibration. All Myron L AQUASWITCH II Monitor/controllers

3. SENSOR SUBSTITUTE CALIBRATIONNIST traceable Sensor Substitutes are commonly use to verifyand calibrate Resistivity Monitor/controllers. Normally th

the area of the AQUASWITCH II Monitor/controllers operation,i.e. for a conductivity AQUASWITCH IIMonitor/controllers that is operating between 15 and2

VI. OPTIONS & ACCESSORIESA. OPTIONS ORDERED WITH MONITOR/CONTROLLERPART # DESCRIPTION-4A 4-20mA Self-Powered Isolated Output Module (ASII only)-P

C. STANDARD SOLUTIONS & BUFFERS1. CONDUCTIVITY/TDS STANDARD SOLUTIONSYour Conductivity/TDS Monitor/controller has been factorycertified to meet ce

VII. REPLACEMENT PARTSPRICES AS OF July 1, 2001PRICES SUBJECT TO CHANGE — contact the Myron L Company for the latest prices. Prices are in US dollars.

VIII. LIMITED WARRANTY All Myron L Company AQUASWITCH I Controllers & AQUASWITCH II Monitor/controllers and sensors have a Two YearLimited Warrant

IX. GLOSSARY442™ An Internationally recognized “natural water”standard developed by the Myron L Company in1964. Algorithm A procedure for solving a m

X. NOTES45

XI. ADDENDUMA. CONDUCTIVITY, TDS, RESISTIVITY and TEMPERATURE RELATIONSHIPS1. TEMPERATURE COMPENSATION (Tempco) of Aqueous SolutionsElectrical conduct

TABLE OF CONTENTSSECTION PAGEAQUASWITCH™ ILLUSTRATIONS (ASI & ASIIR-11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

XI. ADDENDUM Continued4. RESISTIVITYResistivity is the inverse of conductivity (the reverse is alsotrue), i.e. 18.2 MΩ = 0.0549 µM or µS, and 0.2 µM/

Water Quality InstrumentationAccuracy • Reliability • SimplicityACCURACY • RELIABILITY • SIMPLICITYMYRON L COMPANY2450 Impala DriveCarlsbad, CA 92010-

TABLE OF CONTENTS ContinuedSECTION PAGE3. Recalibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

I. INTRODUCTIONThank you for selecting one of the Myron L Company’s newestAQUASWITCH Monitor/controllers. The new AQUASWITCH™series is based on input

AMBIENT TEMPERATURE RANGE:32°F (0°C) to 140°F (60°C)HOUSING CONSTRUCTIONFully gasketed heavy-duty ABS for splashproof and corrosion resistance. Rated

E. SENSORSAll sensors feature integral thermistor style temperature sensorsto ensure accurate, rapid and reliable automatic temperaturecompensation.