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  • 1

    Classic Electrically Heated Stills

    OPERATION MANUALAND PARTS LIST

    SERIES 495

    Model NumbersA1011 A1015A1013 A1016

    60004 1/30/03

    Barnstead International Classic Electrically Heated Stills Operation Manual- Authorized Distributor Clarkson Laboratory & Supply Inc. www.clarksonlab.com E-mail: sales@clarksonlab.com Phone: 619-425-1932 Fax: 619-425-7917 Please visit our website for current prices

  • 2

    Safety Information ..............................................................................................................................................3Alert Signals ......................................................................................................................................................3Warnings ..........................................................................................................................................................3

    Introduction..........................................................................................................................................................5Evaporator ........................................................................................................................................................5Condenser ........................................................................................................................................................6Features Provided ............................................................................................................................................6Electric Heat......................................................................................................................................................6Low Water Cut-Off ............................................................................................................................................6Still Heat Control ..............................................................................................................................................7

    Unpacking ..........................................................................................................................................................8Installation ..........................................................................................................................................................9

    Siting ................................................................................................................................................................9Accessories ......................................................................................................................................................9Plumbing Connections ......................................................................................................................................9Electrical Connections ....................................................................................................................................11

    Operation ..........................................................................................................................................................13Initial Startup ..................................................................................................................................................13Initial Operation ..............................................................................................................................................13Deconcentrator Adjustment ............................................................................................................................14Normal Operation............................................................................................................................................15

    Maintenance and Servicing ..............................................................................................................................17Cleaning Methods ..........................................................................................................................................17Disassembly for Cleaning ..............................................................................................................................18

    Theory of Operation ..........................................................................................................................................21Troubleshooting ................................................................................................................................................22

    Tests for Condenser Leaks ............................................................................................................................22Condenser Test for Scale. ..............................................................................................................................23Heating Element Test and Replacement ........................................................................................................24Heating Elements............................................................................................................................................26

    Troubleshooting Chart ......................................................................................................................................27Parts List ..........................................................................................................................................................28Accessories for Electric Stills ............................................................................................................................37Ordering Procedures ........................................................................................................................................39Warranty ............................................................................................................................................................40

    Table of Contents

    Barnstead International Classic Electrically Heated Stills Operation Manual- Authorized Distributor Clarkson Laboratory & Supply Inc. www.clarksonlab.com E-mail: sales@clarksonlab.com Phone: 619-425-1932 Fax: 619-425-7917 Please visit our website for current prices

  • 3

    This manual contains important operating andsafety information. The user must carefully read and understand the contents of this manu-al prior to the use of this equipment.Water purification technology employs one ormore of the following: chemicals, electricaldevices, mercury vapor lamps, steam and heat-ed vessels. Care should be taken wheninstalling, operating or servicing Barnsteadproducts. The specific safety notes pertinent tothe Barnstead Electrically Heated Stills are list-ed in safety information section.

    Your Barnstead Electrically Heated Still hasbeen designed with function, reliability, andsafety in mind. It is the users responsibility toinstall it in conformance with local electricalcodes. For safe operation, please pay attentionto the alert signals throughout the manual.

    WarningsTo avoid electrical shock, always:

    1. Ensure that the equipment is connect-ed to electrical service according tolocal and national standards. Failureto properly connect may create a fireor shock hazard.

    2. Do not connect unit to electrical ser-vice until instructed to do so.

    3. Disconnect from the power supplyprior to maintenance and servicing.

    To avoid personal injury:1. Do not use in the presence of flamma-

    ble or combustible materials; fire orexplosion may result. This device con-tains components which may ignitesuch materials.

    Safety Information

    Alert Signals

    WarningWarnings alert you to a possibili-ty of personal injury.

    CautionCautions alert you to a possibili-ty of damage to the equipment.

    NoteNotes alert you to pertinentfacts and conditions.

    Barnstead International Classic Electrically Heated Stills Operation Manual- Authorized Distributor Clarkson Laboratory & Supply Inc. www.clarksonlab.com E-mail: sales@clarksonlab.com Phone: 619-425-1932 Fax: 619-425-7917 Please visit our website for current prices

  • 4

    2. Use this device with water feed only.Sanitizing/cleaning agents must be usedin compliance with the instructions inthis manual. Failure to comply with theabove could result in explosion and per-sonal injury.

    3. Avoid splashing disinfecting solutions onclothing or skin.

    4. Ensure all piping connections are tightto avoid leakage of chemicals.

    5. Always depressurize chemical linesbefore disassembly.

    6. Ensure adequate ventilation.

    7. Follow carefully the manufacturers safe-ty instructions on labels of chemicalcontainers and Material Safety DataSheets (M.S.D.S.).

    8. Caution: Hot Surface. Avoid Contact.

    9. Refer servicing to qualified personnel.

    SAFETY INFORMATION

    Barnstead International Classic Electrically Heated Stills Operation Manual- Authorized Distributor Clarkson Laboratory & Supply Inc. www.clarksonlab.com E-mail: sales@clarksonlab.com Phone: 619-425-1932 Fax: 619-425-7917 Please visit our website for current prices

  • 5

    Introduction

    Barnstead electrically heated water stills areavailable in four sizes; 1, 2, 5 and 10 gallonsper hour of distilled water. The distilled waterproduced by the stills contains not more than1.0 ppm total solids, with a pH value of 5.4 to7.2 and an electrical resistance of not less than300,000 ohms at 25C when the stills areoperated on most potable water. The stills aredesigned to use not more than 9 gallons ofcooling water and feedwater combined, foreach gallon of distilled water produced. The stillconsists of: an evaporator with its heat supply,a

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