Leroy-Somer HPM 250 Instruction Manual

This manual is to be given to

the end user

HPM 250 - 100x44

A.C. motor

Installation and maintenance

3946 en - 06.2005 / a

INSTALLATION AND MAINTENANCE

HPM 250 - 100x44

A.C. motor

LEROY-SOMER

3946 en - 06.2005 / a

To ensure that the LEROY-SOMER motor you have just

purchased is entirely satisfactory, it is essential to adhere to

the following instructions.

IMPORTANT: Contact with energised or rotating

parts may cause injury. Do not touch the housing

of a motor that is in operation, as it can reach high

temperatures.

Installation, servicing and maintenance must only be

carried out by qualified personnel.

Failure to follow the instructions in this document, or to

apply them correctly, releases the manufacturer from

liability.

The product is covered by the warranty during the

guarantee period as long as any partial or total

dismantling has only been performed with the assistance

of LEROY-SOMER (or its approval).

The magnetic field on the rotor may affect pacemakers.

The motor rotor contains a powerful magnetic field. This

field may affect digital devices such as watches, mobile

phones etc.

Assembly or maintenance of the rotor must not be

carried out by people with pacemakers or any other

implanted medical electronic device.

1 - RECEIPT

Checks:

- As soon as you receive the machine, check that the nameplate on the machine conforms to your order.

- Inspect the machine as soon as it is received. If there is any damage that has been caused by transportation, contact the carrier

in the usual way.

Type : Serial number : N°

MADE IN FRANCE

Part number :

kW : Hp :

Max speed : Rpm

Voltage : 360 V Nom inal load efficiency : 96

Max A : A Max ambient rating : 40 °C

Dut y cycle : S1 Insulation class : F

Encl type : IP23 Elect connection diagr am : Y

Nom load power fact : 0,95

Phases : 3 Service factor :

Date :

2103017/A

Model

HPM 250/100: Bowl motor

HPM 250/44: Screw motor

Certification

Maximum

speed

Motor protection

index

Manufacturing date

Motor insulation

Motor no.

INSTALLATION AND MAINTENANCE

HPM 250 - 100x44

A.C. motor

LEROY-SOMER

3946 en - 06.2005 / a

2 - STORAGE

2.1 - Storage location

This location must be dry and protected from harsh weather

conditions, cold (temperature between -15°C and +80°C),

frequent temperature variations (to prevent the risk of

condensation), and free from vibration, dust and corrosive

gases.

If there is any vibration in the storage area, it is advisable to

rotate the driving pulley at least twice a month (the brakes are

released by the manual release system).

In certain transport conditions the grooves of the driving

pulley are protected by a special varnish. This varnish must

not be removed during storage.

2.2 - Prolonged storage (> 3 months)

Place the machine in a sealed waterproof enclosure with a

dehydrating sachet inside corresponding to the volume to be

protected and the degree of humidity of the location.

3 - ENVIRONMENT

The rated characteristics are given for operation in a standard

environment (see IEC 600034-5):

- altitude less than 1000 m,

- maximum humidity: 95%,

- temperature between 0 and 40°C.

Note:

We may be able to offer a dispensation concerning the

maximum temperature. This dispensation will need to be

confirmed on a case-by-case basis with LEROY-SOMER.

Derating may be provided if special conditions are indicated

at the time the equipment is ordered.

INSTALLATION AND MAINTENANCE

HPM 250 - 100x44

A.C. motor

LEROY-SOMER

3946 en - 06.2005 / a

4 - COMMISSIONING

BEFORE INSTALLATION

If the equipment has been stored for several months, it is

essential to check the following:

- the cleanliness of the interior and that there is no

condensation

- correct insulation between the phases and the earth terminal

on the motor (minimum 100 M

Ω

at 500 V D.C. for 60 seconds)

after having disconnected all the electronic circuits if

necessary.

WARNING:

do not apply the megohmmeter to the terminals

of the thermal sensors as this may damage them.

If the required value is not reached, dry the motor using

internal or external heating.

Drying using external heating

- Place the motor in an oven at 70°C for at least 24 hours until

the correct insulation is achieved. (100 M

Ω

)

- Take care to increase the temperature gradually to clear the

condensation.

- After drying, during the cooling phase, check the insulation

value regularly, as it will initially tend to fall then rise.

Drying using internal heating

- Connect motor windings V and W in parallel in relation to U

(see drawing below).

- Read off the resistance between U and V//W.

- Apply a

low voltage

D.C. current to them (to obtain 10% of

the rated current calculated using the winding resistances),

increase the voltage until 50% of the rated current is reached.

- Maintain the power for 4 hours. The temperature of the

motor should increase slightly.

The rotors will move slightly on power-up (angular

setting of the rotor in relation to the stator).

4.1 - Installation

The installation must comply with the characteristics of the

motor indicated on the nameplate (see section 1).

It must include electrical safety devices.

Check that the handling equipment (slings, etc.) are suitable

for the weight of the machine.

Use the attachment points provided on the machine.

Check that the cables are correctly positioned so that they are

not damaged.

The motors must be installed in such a way that the cooling

air (not too damp, dust-free, and containing no vapour or

corrosive gas) circulates freely.

4.1.1 - Hoisting method

Motor connection for drying the winding

Phase connection

Power supply (-) U

Power supply (+) V + W (serial)

INSTALLATION AND MAINTENANCE

HPM 250 - 100x44

A.C. motor

LEROY-SOMER

3946 en - 06.2005 / a

4.1.2 - Mechanical installation

The HPM machine must be installed on a chassis or angle bracket that is not subject to vibration and must be secured using the

fixings recommended in technical note T42.6.M018.

4.2 - Wiring

- See the connection diagram below.

Sensor

(bowl motor)

Sensor

(Screw motor) Motor earth

PTO

(Thermal probe)

Connection

(Screw motor)

Connection

(Bowl motor)

321

Thermal protection

Earth terminal

Direction of rotation

Motor terminals length 44

Motor terminals length 100

Motor sensors length 100

Ref. C4523/A

Motor sensors length 44

Sensors:

No. 1 = Length 35

No. 2 = Length 130 (ring)

No. 3 = Length 90

Motor:

No. 1 = U phase

No. 2 = V phase

No. 3 = W phase

123

INSTALLATION AND MAINTENANCE

HPM 250 - 100x44

A.C. motor

LEROY-SOMER

3946 en - 06.2005 / a

It is the responsibility of the user to connect the

motor in accordance with the current legislation

and regulations in the country of use. This is particularly

important as regards the size of the cables, the type and

size of fuses, the earth or ground connection, powering

down, acknowledging faults, insulation and protection

against overcurrents.

- Connect the power cables to terminals U1, V1 and W1,

in accordance with IEC 600034-1 (see section 4.2 - fig. 1).

- Connect the thermal probe to the drive.

- Connect the motor ground to earth (see section 4.2 - fig. 1).

- Connect the brakes and the microswitches.

- Connect the encoder.

4.3 - Start-up

Check that the electric controls are correctly earthed before

carrying out the first operation.

Start up the machine and check the following points:

- All the fixings and electrical connections must be correctly

tightened.

After starting up, check:

- noise

- vibration

- operation of the buttons/switches

- also check the current and voltage on the machine while it

is operating with the rated load.

- Sensor wiring (refer to the data sheet).

5 - MAINTENANCE/SERVICING

5.1 - After one month’s operation

- Check that the screws and electrical connections are

correctly tightened.

- Check the vibration. Check that there is no abnormal noise.

5.2 - Every year

- Check that the screws and electrical connections are

correctly tightened.

- Check the vibration. Check that there is no abnormal noise.

5.3 - Servicing the IP55 filter

- Only clean the filter when the PTO sensor trips (sensor

connected in accordance with paragraph 4.2).

The drive causes the sensor to trip.

Cleaning the filter

- Remove the motor rear cover.

- Remove the filter from its support.

- Blow compressed air onto the filter to remove the dust.

- Wash the filter in soapy water.

- Dry the filter to prevent water getting into the motor.

- Replace the filter in its support.

- Replace the rear cover.

IncorrectCorrect

Terminals

INSTALLATION AND MAINTENANCE

HPM 250 - 100x44

A.C. motor

LEROY-SOMER

3946 en - 06.2005 / a

6 - ORDERING SPARE PARTS

To ensure optimum after-sales service, the following information must be provided with each spare parts order:

- Type and serial number of the motor, and for each part:

- Name and (or) reference number of the part

- Quantity ordered.

For instant identification, please give the reference of the document used for the order (drawing number or manual). The type and

serial number can be found on the motor nameplate.

Part names:

1 - Stator 3 - Terminal box 6 - Sensors

2-a - Bowl rotor 4 - Rear cover

2-b - Screw rotor 5 - Sensor support

12-a 2-b

LEROY-SOMER 16015 ANGOULÊME CEDEX - FRANCE

RCS ANGOULÊME N° B 671 820 223

S.A. au capital de 62 779 000

€

www.leroy-somer.com

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