Seaward PAC3760 PLUS User manual

PAC3760 plus

Operating Instructions

PAC3760 plus

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

[email protected]m.au

Part Number 372A550 Revision 2

PAC3760 plus

Operating Instructions

Limited Warranty & Limitation of Liability

SEAWARD Electronic Limited guarantees this product to

be free from defects in material and workmanship under

normal use and service for a period of 1 year. The period

of warranty will be effective at the day of delivery.

multiplied, or made public in any form or manner, either

electronically, mechanically, by photocopying, recording,

or in any manner, without prior written consent from

SEAWARD Electronic Limited. This also applies to

accompanying drawings and diagrams.

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 part of any contract for

the equipment unless specifically referred to as an

inclusion within such contract.

PAC3760 plus

Operating Instructions

DECLARATION OF CONFORMITY

As the manufacturer of the apparatus listed, declare under

our sole responsibility that the product:

PAC3760 plus

To which this declaration relates are in conformity with

the relevant clauses of the following standard:

IEC 61010-1:2001

Safety requirements for electrical equipment for

measurement, control, and laboratory use – Part 1:

General requirements.

IEC 61326:2005

Electrical equipment for measurement, control and

laboratory user-EMC Requirements

Performance: The instrument operates within

specification when used under the conditions in the above

standards 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.

PAC3760 plus

Operating Instructions

Contents

Important Information.........................................5

Introduction........................................................7

Performing Tests.................................................8

3.1 Testing a Class I Appliance..........................................................8

3.2 Testing a Class I Appliance with Leakage .................................10

3.3 Testing a Class II Appliance......................................................12

3.4 Testing a Class II Appliance with Leakage................................13

3.5 Testing a mains cord..................................................................14

3.6 Testing an extension lead...........................................................16

3.7a Test an EPOD (Powerboard)....................................................16

3.7b Test an EPOD/Extension Lead with MOV and/or RCDs.........17

3.8 Testing 3-Phase equipment........................................................19

3.9 Testing RCD Operating Time....................................................19

Troubleshooting................................................21

Specification ....................................................22

Maintenance.....................................................23

Battery Check...................................................23

7.1

Battery Replacement............................................................24

Fuse.................................................................25

8.1

Fuse Replacement ................................................................25

Service and Calibration .....................................26

PAC3760 plus

Operating Instructions

1 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.

Caution, risk of electric shock.

Indicates instructions must be followed to

avoid danger to persons.

Caution, risk of danger. The operating

instructions must be adhered to in order to

avoid danger.

Caution, risk of electric shock.

Always ensure that the equipment under test

is disconnected from any supply before

connecting to the PAC3760 plus.

It is the responsibility of the user to ensure that the

operation of the unit is correct and that the accuracy of the

measurements are within specification.

Before use, ensure unit is clean and dry; visually inspect

all leads, connectors, and case. Any damage or wear must

be rectified prior to use.

Standard Accessories

Part Number

Carry Case 71G082

Mains Supply Test lead 44B165

Black Continuity/Earth Test Lead

1m 161A024

Australian IEC mains cord 0.5m 325A005

Optional Accessories

Part Number

Leakage test 3-Phase Adaptor 372A950

Insulation test 3-Phase Adaptor 372A951

Isolation Transformer 372A952

PAC3760 plus

Operating Instructions

Figure 1. PAC3760 Front View

Figure 2. PAC3760 End View

PAC3760 plus

Operating Instructions

2 Introduction

The PAC3760 plus is a hand held battery powered unit

suitable for carrying out electrical safety checks on:

•Class I appliances

•Class II appliances

•IEC mains leads

•Extension leads

•10mA RCD

•30mA RCD

•3 Phase appliances when used with a 3-Phase

Adaptor

Overview

With reference to Figures 1 and 2.

1. The LCD

2. Class I Test / Cord Sequence Button

3. Class II Test Sequence Button

4. Leakage Test Sequence Button

5. 10mA RCD Test Button

6. 30mA RCD Test Button

7. 3-Phase Test Sequence Button

8. Test/Mains outlet socket

9. Mains inlet socket

10. IEC Test Connection

11. Earth Continuity Test Terminal

User Interface

The LCD display shows test progress, results for

individual tests and the overall test result for an appliance

or mains cord.

Measurements displayed next to the R

icon indicate the

resistance of the protective earth conductor.

Measurements displayed next to the R

ISO

icon indicate the

resistance measured by the insulation test.

Measurements displayed next to the I

LEAK

icon indicate

the leakage current measured while the unit is powered

from a mains supply.

Tests are initiated using the six push buttons.

PAC3760 plus

Operating Instructions

Power ON/OFF = press and hold the Class I and Class II

test buttons simultaneously, PAC3760 plus will power

on/off when buttons are released.

Note: The unit will automatically switch OFF after

approximately 3 minutes if no keys are pressed.

3 Performing Tests

Press keys Class I and Class II test buttons together to

switch on the unit. When the unit is ready the display will

be as shown below.

3.1 Testing a Class I Appliance

Visually inspect the appliance as per requirements of

AS/NZS3760:2003. If the appliance passes a visual

inspection proceed with the electrical tests.

Plug the earth test lead into the Earth Continuity test

terminal on the PAC3760 plus end panel.

Plug the appliance into the PAC3760 plus front panel test

socket.

Connect the earth test lead to an exposed metal part on the

appliance.

If the Appliance under test has an ON/OFF switch, make

sure it is in the ON position.

Press the Class I test button to start a Class I test sequence.

The PAC3760 plus will now test the continuity of the

protective earth.

PAC3760 plus

Operating Instructions

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.

If the measured value is less than or equal to the 1 ohm

pass/fail threshold, the measured value is displayed and

the unit indicates a pass result, as shown below.

If the Earth Continuity test has passed then the unit will

proceed with an Insulation test.

Note: The power switch on the appliance under test

must be in the ON position to perform an

insulation test. If no appliance is detected the

PAC3760 plus will display LO LOAD.

If the LO LOAd enunciator is displayed, the load

presented by the appliance may be too small for the

PAC3760 plus to detect. In this case, press the Class I test

button to continue.

PAC3760 plus

Operating Instructions

If the Insulation test measures below the 1Mohm pass/fail

threshold, the measured value is displayed and the unit

indicates a fail.

If the measured value is greater than or equal to the 1

Mohm pass/fail threshold, the measured value is displayed

and the unit indicates a pass result.

3.2 Testing a Class I Appliance with Leakage

Visually inspect the appliance as per requirements of

AS/NZS3760:2003. If the appliance passes a visual

inspection proceed with the electrical tests.

Plug the mains lead into the PAC3760 plus and a mains

supply socket.

When plugging the mains lead into the

PAC3760 plus ensure that the polarity

orientation of the connector is correct. DO NOT

FORCE THE PLUG INTO THE

CONNECTOR, doing so may damage the

PAC3760 plus.

Plug the earth test lead into the Earth Continuity test

terminal on the PAC3760 plus end panel.

Plug the appliance into the PAC3760 plus front panel test

socket.

Connect the earth test probe to an exposed metal part on

the appliance.

If the Appliance under test has an ON/OFF switch, make

sure it is in the ON position.

Press and hold the Leakage button and then the Class I test

button.

The PAC3760 plus 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.

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