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PAC3760 plus II
Operating Instructions
PAC3760 plus II
Operating Instructions
Represented in Australia by:
EMONA Instruments Pty Ltd
78 Parramatta Rd
Camperdown NSW 2050
Tel: 1 800 632 953
www.emona.com.au, www.protag.com.au
testinst@emona.com.au
Represented in New Zealand by:
Electrotest Ltd
12A Te Kea Place
Albany
Auckland
Tel: +64 (09) 4482600
www.electrotest.co.nz
Part Number 372A567 Revision 1
© 2010 Seaward Electronic Ltd
1

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  • Page 1 78 Parramatta Rd Camperdown NSW 2050 Tel: 1 800 632 953 www.emona.com.au, www.protag.com.au testinst@emona.com.au Represented in New Zealand by: Electrotest Ltd 12A Te Kea Place Albany Auckland Tel: +64 (09) 4482600 www.electrotest.co.nz Part Number 372A567 Revision 1 © 2010 Seaward Electronic Ltd...
  • Page 2 Due to a policy of continuous development SEAWARD Electronic Limited reserves the right to alter the equipment specification and description outlined in this publication without prior notice and no part of this publication shall be deemed to be...
  • Page 3 PAC3760 plus II Operating Instructions...
  • Page 4 EMC and Safety Standards. The product identified above conforms to the requirements of Council Directive 89/336/EEC and 73/23 EEC. Seaward Electronic Ltd is registered under BS EN ISO9001:2000 Certificate No: Q05356.
  • Page 5: Table Of Contents

    PAC3760 plus II Operating Instructions Contents Important Information ........6 Introduction ............8 Performing Tests ..........9 3.1 Testing a Class I Appliance ..........9 3.2 Testing a Class I Appliance with Leakage....... 11 3.3 Testing a Class II Appliance..........13 3.4 Testing a Class II Appliance with Leakage...... 14 3.5 Testing a mains cord ............
  • Page 6: Important Information

    These operating instructions are intended for the use of adequately trained personnel. The following symbols are used in these operating instructions and on the PAC3760 plus II. Caution, risk of electric shock. Indicates instructions must be followed to avoid danger to persons.
  • Page 7 PAC3760 plus II Operating Instructions Figure 1. PAC3760 plus II Front View Figure 2. PAC3760 plus II End View...
  • Page 8: Introduction

    PAC3760 plus II Operating Instructions Introduction The PAC3760 plus II is a hand held battery powered unit suitable for carrying out electrical safety checks Class I appliances • Class II appliances • • IEC mains leads • Extension leads 10mA portable RCD •...
  • Page 9: Performing Tests

    Plug the earth test lead into the Earth Continuity test terminal on the PAC3760 plus II end panel. Plug the appliance into the PAC3760 plus II front panel test socket. Connect the earth test lead to an exposed metal...
  • Page 10 ON position. Press the Class I test button to start a Class I test sequence. The PAC3760 plus II will now test the continuity of the protective earth. If the measured value is greater than the 1 ohm pass/fail threshold, the measured value is displayed and the unit indicates a fail result as shown below.
  • Page 11: Testing A Class I Appliance With Leakage

    Visually inspect the appliance as per requirements of AS/NZS 3760:2010. If the appliance passes a visual inspection proceed with the electrical tests. Plug the mains lead into the PAC3760 plus II and a mains supply socket. When plugging the mains lead into the PAC3760 plus II ensure that the polarity orientation of the connector is correct.
  • Page 12 PAC3760 plus II Operating Instructions The PAC3760 plus II will now test the continuity of the protective earth. If the measured value is greater than the 1 ohm pass/fail threshold, the measured value is displayed and the unit indicates a fail.
  • Page 13: Testing A Class Ii Appliance

    AS/NZS 3760:2010. If the appliance passes a visual inspection proceed with the electrical tests. Plug the black continuity test lead into the Earth Continuity test terminal on the PAC3760 plus II end panel. Plug the appliance into the PAC3760 plus II front panel test socket.
  • Page 14: Testing A Class Ii Appliance With Leakage

    PAC3760 plus II Operating Instructions small for the PAC3760 plus II to detect. In this case, press the Class II test button to continue. The unit will now perform an Insulation test. If the Insulation Resistance is less than 1Mohm a cross is placed next to the R enunciator.
  • Page 15 If the LO LOAd enunciator is displayed, the load presented by the appliance may be too small for the PAC3760 plus II to detect. In this case, press the Leakage button to continue. Note: If the High Load enunciator is displayed,...
  • Page 16: Testing A Mains Cord

    PAC3760 plus II. Press the Class I test sequence button. The PAC3760 plus II will first test the continuity of the protective earth. If the measured value is greater than 1 ohm a cross...
  • Page 17: Testing An Extension Lead

    Plug the mains plug of the extension lead into the front panel mains socket on the PAC3760 plus II. The extension lead can now be tested in the same manner as an IEC as described above.
  • Page 18: Test An Epod/Extension Lead With Mov And/Or Rcds

    Note: First socket is defined as the closest socket to the power lead. 4. Press the Class I and LKGE buttons simultaneously. The PAC3760 plus II performs an earth test. 5. Repeat step 4 on every socket until the last socket.
  • Page 19 7. Repeat sequence on every socket. Procedure B: 1. Plug the mains lead into the PAC3760 plus II and a mains supply socket. 2. Plug powerboard lead into mains outlet socket on the PAC3760 plus II.
  • Page 20: Testing 3-Phase Equipment

    5. Press the Class I and LKGE buttons simultaneously. The PAC3760 plus II performs an earth test. 6. The PAC3760 plus II will give warning beeps. Press the Class II button to stop the test. 7. Repeat steps 5 and 6 on every socket until the last socket.
  • Page 21 PAC3760 plus II. Plug the supplied 0.5m IEC lead into the IEC socket on the end of the PAC3760 plus II and into the mains outlet of the portable RCD. Connect the PAC3760 plus mains lead to the mains inlet socket of the PAC3760 plus II.
  • Page 22 PAC3760 plus II Operating Instructions For 30mA RCD tests the PAC3760 plus II will indicate a pass for ≤300ms. The PAC3760 plus II will alternate between 0 in between tests. It is essential that two RCD tests are performed in order to cover both 0...
  • Page 23: Troubleshooting

    Q I have started a test sequence but the IEC icon is flashing. A The PAC3760 plus II has detected an IEC lead. To test the IEC lead press the Class I button. Q I have pressed the 3 Phase button but the PAC 3760 plus II indicates ‘PLUG IN 3 PH ADPTR’.
  • Page 24: Specification

    PAC3760 plus II Operating Instructions Specification Earth Continuity Display Range 0.01 -19.99 ohms Measuring Range 0.05 – 19.99 ohms Accuracy* ± (5% + 2 digits) Test current 200mA minimum Test voltage 9V nominal *When used with Seaward test lead, Part Number...
  • Page 25: Maintenance

    Any contamination of the battery contacts or compartment should be cleaned with a dry cloth. Note: The PAC3760 plus II contains no user serviceable parts. If an Error warning should appear on the display please contact Emona Instruments or...
  • Page 26: Battery Check

    PAC3760 plus II Operating Instructions Battery Check The PAC3760 plus II is powered from a 6 AA cells which are checked before a test is performed. When the battery voltage is low the enunciator is illuminated. The unit will continue to perform within specification for a limited number of tests, dependent upon the type of the batteries fitted.
  • Page 27: Fuse

    Fuse The unit is protected by a fuse. If the fuse should blow then the mains tests will not be allowed to start and the PAC3760 plus II will indicate that the mains connection is incorrect. Fuse Replacement Before opening the PAC3760 plus II ensure that all test leads are disconnected.
  • Page 28: Service And Calibration

    PAC3760 plus II Operating Instructions Service and Calibration To maintain the specified accuracy of the measurement results, the instrument must be recalibrated at regular intervals by either the manufacturer, Emona Instruments or by Electrotest Ltd. We recommend a recalibration period of one year.
  • Page 29 PAC3760 plus II Operating Instructions NEW ZEALAND Service Department: Electrotest Ltd 12A Te Kea Place Albany Auckland PO Box 300-475 Albany Auckland 0752 Tel: +64 (09) 4482600 Fax: +64 (09) 448 2611 Email: info@electrotest.co.nz...
  • Page 30 PAC3760 plus II Operating Instructions LOAD MESSAGES Message Reason Solution Lo Load Appliance switch is not engaged (switch Engage the switch (turn it on) in off position) Lo Load Appliance switch is engaged but requires Insulation test ineffective. Consider doing a power to latch leakage test.
  • Page 31 PAC3760 plus II Operating Instructions TEST SEQUENCE Test Setting Description Earth Insulation Leakage Test Polarity Continuity Test Test Class I Earthed Appliance ±200mA 500V CLII Class II Double Insulated 500V Appalance CLI-Lead Power LEAD-IEC or Extension ±200mA 500V Board CLI-Leakage Class I Power-up Test ±200mA...
  • Page 32 PAC3760 plus II Operating Instructions TEST SEQUENCE Test Type Press Button(s) Attachment Required Examples & Comments Appliance lead (black) connected to 3 pin – Most kitchen appliances exposed metal parts. (toaster, microwave..) CLII Appliance lead (black) connected to Most hand held tools (2 or 3 pin exposed metal parts.

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