PEWA EPM3 Manual de usuario

EPM3

Phase Sequence and Motor

Rotation Tester

Users Manual

•Mode d’emploi

•Bedienungshandbuch

•Manual d’Uso

•Manual de uso

PN 2099589

September 2004

2004 Meterman Test Tools.

English

M1 M2

BATT

TEST

ABC

L2L3

MOTOR ROTATION DETERMINED WHILE FACING MOTOR SHAFT

CAT

600 V

MOTOR

ROTATION

TESTER

3-PHASE

TESTER

EPM3

DO NOT CONNECT TO LIVE VOLTAGE!

APhase rotation input terminals

BOpen phase indicators

CPhase rotation indicators

DMotor tester power switch

EMotor tester power indicator

FMotor rotation indicators

GMotor rotation input terminals

EPM3 Phase Sequence and Motor

Rotation Tester

Contents

Safety Information ..............................................................................................2

Symbols Used in this Manual ..........................................................................2

Introduction........................................................................................................3

Making Measurements........................................................................................3

3-Phase Rotation Test......................................................................................3

Open Phase Test..............................................................................................4

Motor Rotation Test.........................................................................................4

Maintenance .......................................................................................................5

Battery and Fuse Replacement.........................................................................5

Cleaning and Storage.......................................................................................5

Limited Warranty and Limitation of Liability .......................................................5

Repair .................................................................................................................6

Specifications .....................................................................................................7

General Specifications .....................................................................................7

Electrical Specifications ...................................................................................7

Safety Information

The EPM3 Phase Sequence and Motor Rotation Tester conforms to

CSA 22.2 -1010-1 and EN61010-1, CAT III 600 V.

To ensure safe operation and usage of this instrument, follow instructions in this

manual. Failure to observe Warnings may result in SEVERE injury or death.

•It is recommended for use in distribution level and fixed installations, as well as

lesser installations, and not for primary supply lines, overhead lines and cable

systems.

•Do not exceed the maximum overload limits per function (see specifications)

nor the limits marked on the instrument itself. Never apply more than 600 V ac

rms between the test lead and earth ground.

•Inspect the tester, test leads and accessories before each use. Do not use any

damaged part.

•Never ground yourself when taking measurements. Do not touch exposed

circuit elements or test probe tips.

•Do not operate the tester in an explosive atmosphere.

•Exercise extreme caution when: measuring voltage >20 V // current >10 mA //

AC power line with inductive loads // AC power line during electrical storms //

current, when the fuse blows in a circuit with open circuit voltage >600 V.

•Never replace a fuse with one of a different rating.

•Remove test leads before opening the case.

•Do not use in a manner not specified or the protection afforded by the

instrument may be impaired.

Symbols Used in this Manual

X Dangerous Voltage WRefer to the manual

TDouble insulated BAlternating Current

FDirect Current JEarth Ground

P Complies with EU directives )

Canadian Standards Association

Complies with TÜV

Introduction

The tester provides three functions in one unit, including open phase, phase

sequence and motor rotation indication. This tester is ideal for installing conveyor

lines, pump systems and interconnected drivers.

The EPM3 is two measurement devices. One half measures the phase sequence of

a 3-wire system using the power of the system under test. Using lamp indicators, it

will indicate the 3-phase sequence or it will indicate an open phase situation. The

other half of the EPM3 measures 3-phase motor rotation on an unpowered motor

using the EPM3's internal 9 volt battery. The unit will indicate whether the motor

shaft has clockwise or counter-clockwise rotation.

Features:

•Identifies 3-phase sequence and open phase check

•Motor shaft rotation

•Battery operated

•Meets EN61010 safety requirements

•Supplied with three CAT III rated large alligator clips and color coded test leads

XWCaution

Read all Safety Information before using this tester.

Making Measurements

3-Phase Rotation Test XWCaution

This instrument only indicates that voltage is present, not the

voltage level. Verify the actual voltage with a multimeter. Using

the wrong voltage can damage a motor.

1. Connect the three color coded test leads to the 3-phase input terminals, L1

(Red) - L2 (Green) - L3 (Blue) also know as A-B-C or R-S-T. See Figure 1.

2. Connect the three color coded alligator clips to the terminals of a 3-phase

power source. The connection order is optional. Use extreme caution in this

high voltage situation.

3. Confirm that all three lights below the test lead inputs on the EPM3 are ON. If

one or more of the three lights is OFF, there is an open phase condition. Correct

the power source problems before proceeding (See Open Phase Test later in

this manual). If the Open Phase tests are good, the EPM3 is defective. Repair or

replace the EPM3 before proceeding.

4. If all three lamps are ON, check the phase rotation indication for the rotation

direction, clockwise (w) or counter-clockwise (x) indicator.

5. If the counter clockwise lamp is ON, reverse the connections of any two of the

three alligator clips for clockwise rotation. Use extreme caution in this high

voltage situation.

6 The phase sequence is correct for clockwise (w) rotation when the

clockwise lamp is ON and the power source terminals are connected by the

RED, GREEN, and BLUE alligator clips to L1, L2, and L3. Remove power and

label the power source wires.

Open Phase Test XWCaution

The multimeter used for this test should be properly rated for the

circuit under test.

1. Connect a multimeter (set to VAC and the voltage range expected) V input to

the phase wire in question and the COM input to neutral or ground to check the

phase voltage. Use extreme caution in this high voltage situation.

2. Verify that the two other phases are working properly and that the 3-phase to

phase voltages are correct. If a problem is found, correct the problem before

returning to the 3-phase rotation test.

Motor Rotation Test

This test can be used to verify the shaft rotation and the M1-M2-M3 connections or

to determine the M1-M2-M3 connections on a motor that is not marked.

XWWarning

Make all connections with circuits unpowered. If the clockwise or

counterclockwise RED indicator is ON before rotating the motor

shaft, voltage is present. Stop measuring. Remove the test leads

and turn off the external power.

1. Use a multimeter to verify that no voltage is present on the motor windings.

2. Connect the color coded test leads to the three motor input terminals M1- M2-

M3. Press the power button (See Figure 2). The green indicator light will be ON.

3. Facing the motor shaft, hand rotate the motor shaft clockwise.

4. If the clockwise indicator (w) is ON, the M1-M2-M3 connections are correct

for clockwise rotation.

5. If the counterclockwise (x) indicator is ON, the M1-M2-M3 connections are

correct for counterclockwise rotation.

6. If the motor rotation direction is wrong, reverse any two of the M1-M2-M3

connections and repeat the test.

After 3-phase rotation and motor phasing are verified:

1. Turn off power at the source.

2. Connect the previously identified power wire L1 to motor wire M1. Repeat the

connections for L2 to M2 and L3 to M3. See Figure 3.

3. Inspect the connections for electrical safety.

The motor will rotate in the desired direction when power is applied.

Maintenance

If the EPM3 appears to operate incorrectly, check the following items:

1. Review the operating instructions to ensure the meter is being used correctly.

2. Inspect and test the continuity of the test leads.

3. Make sure the battery is in good condition. Replace a low battery immediately.

4. Check the condition of the fuses.

XWWARNING

To avoid electrical shock, remove the test leads from the EPM3

and the test circuit before accessing the battery or the fuse.

Battery and Fuse Replacement

To access these parts, you must first remove the rear cover of the EPM3. The rear

cover is held in place with two screws. After removing the screws, you can easily

remove and replace the battery or a fuse. To replace a fuse, pry it from the retaining

clips using a small screwdriver. See Figure 4.

Use the following replacement parts:

Battery: 9 V NEDA 1604, IEC 6F22

Phase Sequence Fuse: Fast Blow 200 mA/600 V (Meterman FP900)

Motor Rotation Fuse: Fast Blow 100 mA/250 V (Littel Fuse 216.100)

Cleaning and Storage

Periodically wipe the case with a damp cloth and detergent. Do not use abrasives or

solvents. Remove the battery if the tester is not in use for periods longer than 60

days.

Limited Warranty and Limitation of Liability

Your Meterman product will be free from defects in material and workmanship for 1

year from the date of purchase. This warranty does not cover fuses, disposable

batteries or damage from accident, neglect, misuse, alteration, contamination, or

abnormal conditions of operation or handling. Resellers are not authorized to

extend any other warranty on Meterman’s behalf. To obtain service during the

warranty period, return the product with proof of purchase to an authorized

Meterman Test Tools Service Center or to a Meterman dealer or distributor. See

Repair Section for details. THIS WARRANTY IS YOUR ONLY REMEDY. ALL OTHER

WARRANTIES - WHETHER EXPRESS, IMPLIED OR STAUTORY - INCLUDING

IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR

MERCHANTABILITY, ARE HEREBY DISCLAIMED. MANUFACTURER SHALL NOT BE

LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL

DAMAGES OR LOSSES, ARISING FROM ANY CAUSE OR THEORY. Since some

states or countries do not allow the exclusion or limitation of an implied warranty or

of incidental or consequential damages, this limitation of liability may not apply to

you.

Repair

Specifications

General Specifications

Operating Environment: 0 °C to 40 °C at <80 % R.H.

Power: Single standard 9 V battery, NEDA 1604, JIS 006P, IEC 6F22

Battery life: Approximately 200 hours typical with carbon-zinc battery

Low battery indication: The BATT LED does not come ON when TEST button is

pressed

Dimensions: 153(L) x 72(W) x 35(D) mm. (6.02 x 2.83 x 1.37 in)

Weight: Approximately 218 g (7 oz) including battery

Enviroment: Indoor use

Altitude: 2000 m (6561 ft.)

Overload protection: 600 V ac

Accessories: Test Leads (red, green, and blue) with alligator clips (TL-EPM3), Soft

Vinyl Case, Users Manual, Battery

Agency Approvals

P )s

Safety: Conforms to EN61010-1:2001; CAT III 600V, Pollution degree 2, Class 2;

CSA 22.2 -1010-1, and EN61557-7

EMC: Conforms to EN61326-1. This product complies with requirements of the

following European Community Directives: 89/ 336/ EEC (Electromagnetic

Compatibility) and 73/ 23/ EEC (Low Voltage) as amended by 93/ 68/ EEC (CE

Marking). However, electrical noise or intense electromagnetic fields in the vicinity

of the equipment may disturb the measurement circuit. Measuring instruments will

also respond to unwanted signals that may be present within the measurement

circuit. Users should exercise care and take appropriate precautions to avoid

misleading results when making measurements in the presence of electronic

interference.

Electrical Specifications

Phase Sequence

Input Voltage: 3 phase to phase inputs - 100 V ac to 600 V ac max.

Frequency: 45 to 70 Hz

Operating time: 10 minutes ON maximum at 600 V ac. 10 minutes OFF minimum

at 600 V ac.

3-Phase load: Approx. 7 mA per phase of ac power source

Motor Rotation

Operating time: 10 minutes ON maximum. 10 minutes OFF minimum.

Motor Rotation tester field: 14 mA of 9 V battery

3Ø

115 VAC to

600VAC

BATT

TEST

ABC

MOTOR ROTATION DETERMINED WHILE FACING MOTOR SHAFT

CAT

600

MOTOR

ROTATION

TESTER

-PHASE

TESTER

EPM

DO NOT CONNECT TO LIVE VOLTAGE!

Red

Green

Blue

Figure 1

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