Grundfos SL1.50 Bedienungsanleitung

DP 10, EF 30, SL1.50, SLV.65

Safety instructions and other important information

GRUNDFOS INSTRUCTIONS

Installation and operating instructions

DP10/EF30

http://net.grundfos.com/qr/i/96526172

SL1.50/SLV.65

http://net.grundfos.com/qr/i/96526170

English (GB)

English (GB) Safety instructions and other important information

General information

These safety instructions give a quick overview of

the safety precautions to be taken in connection with

any work on this product.

Observe these safety instructions during handling,

installation, operation, maintenance, service and

repair of this product.

These safety instructions is a supplementary

document, and all safety instructions will appear

again in the relevant sections of the installation and

operating instructions.

Keep these safety instructions at the installation site

for future reference.

The Ex symbol refers to ATEX-approved and

IECEx-approved products.

Operating conditions

Operating mode

The pumps are designed for intermittent operation

(S3). When completely submerged in the pumped

liquid, the pumps can also operate continuously

(S1).

Maximum solids size

The EF pumps are suitable for pumping effluent and

other liquids with solids up to 30 mm.

Installation depth

Maximum 10 m below liquid level.

Operating pressure

Maximum 6 bar.

Number of starts per hour

Maximum 30.

Read this document

before installing the

product. Installation and

operation must comply

with local regulations

and accepted codes of

good practice.

This appliance can be

used by children aged

from 8 years and above

and persons with

reduced physical,

sensory or mental

capabilities or lack of

experience and

knowledge if they have

been given supervision

or instruction concerning

use of the appliance in a

safe way and

understand the hazards

involved.

Children shall not play

with the appliance.

Cleaning and user

maintenance shall not

be made by children

without supervision.

English (GB)

pH value

Pumps in permanent installations can be used for

pumping liquids with a pH value between 4 and 10.

Liquid temperature

0-40 °C.

For short periods of maximum 15 minutes, a

temperature of up to 60 °C is allowed. This applies to

standard versions only.

Density of pumped liquid

When pumping liquids with a density and/or a

kinematic viscosity higher than that of water, use

motors with correspondingly higher outputs.

Electrical data

Power supply

• 1 x 230 V - 10 %/+ 6 %, 50 Hz

• 3 x 230 V - 10 %/+ 6 %, 50 Hz

• 3 x 400 V - 10 %/+ 6 %, 50 Hz.

Enclosure class

IP68, according to IEC 60529.

Insulation class

F (155 °C).

Frequency converter operation

For frequency converter operation please observe

the following information:

Requirements must be fulfilled.

Recommendations ought to be followed.

Consequences must be considered.

Requirements

• The thermal protection of the motor must be

connected.

• Peak voltage and dU/dt must be in accordance

with the table below. The values stated are

maximum values supplied to motor terminals.

The cable influence has not been taken into

account. See data sheet for the frequency

converter used regarding the actual values and

cable influence on the peak voltage and dU/dt.

• If the pump is an Ex-approved pump, check if the

Ex certificate of the specific pump allows the use

of a frequency converter.

• Set the frequency converter U/f ratio according to

the motor data.

• Local regulations and standards must be fulfilled.

Recommendations

Before installing a frequency converter, calculate the

lowest allowable frequency in the installation in order

to avoid zero flow.

• Do not reduce the motor speed to less than 30 %

of rated speed.

• Keep the flow velocity above 1 m/sec.

• Let the pump run at rated speed at least once a

day in order to prevent sedimentation in the pipe

system.

• Do not exceed the frequency indicated on the

nameplate. In this case there is a risk of motor

overload.

• Keep the power cable as short as possible. The

peak voltage will increase with the length of the

power cable. See data sheet for the frequency

converter used.

• Use input and output filters on the frequency

converter. See data sheet for the frequency

converter used.

• Use a screened power cable if there is a risk that

electrical noise can disturb other electrical

equipment. See data sheet for the frequency

converter used.

Consequences

When operating the pump via a frequency converter,

please be aware of these possible consequences:

• The locked-rotor torque will be lower. How much

lower will depend on the frequency converter

type. See the installation and operating

instructions for the frequency converter used for

information on the locked-rotor torque available.

• The working condition of bearings and shaft seal

may be affected. The possible effect will depend

on the application. The actual effect cannot be

predicted.

• The acoustic noise level may increase. See the

installation and operating instructions for the

frequency converter used for advice on how to

reduce the acoustic noise.

Explosion-proof pumps must never pump

liquids at a temperature higher than 40 °C.

Max. repetitive peak

voltage

[V]

Max. dU/dt

UN400 V

[V/μsec.]

650 2000

English (GB)

Transporting the product

Installing the product

WARNING

Crushing hazard

Death or serious

personal injury

- Do not stack pump

packages or pallets on

top of each other when

lifting or moving them.

- Always lift the pump by

its lifting bracket or by

means of a forklift truck

if the pump is fixed on

a pallet. Never lift the

pump by means of the

power cable or the

hose or the pipe.

CAUTION

Sharp element

Minor or moderate

personal injury

- Make sure not to cut

your hands on the

sharp edges when

opening the pump

package.

Pump installation in pits

must be carried out by

specially trained

persons.

Work in or near pits must

be carried out according

to local regulations.

Persons must not enter the installation

area when the atmosphere is explosive.

DANGER

Electric shock

Death or serious

personal injury

- It must be possible to

lock the main switch in

position 0. Type and

requirements as

specified in EN

60204-1, 5.3.2.

DANGER

Electric shock

Death or serious

personal injury

- Make sure there are at

least 3 m free cable

above the maximum

liquid level.

DANGER

Crushing hazard

Death or serious

personal injury

- Make sure that the

lifting bracket is

tightened before

attempting to lift the

pump. Tighten if

necessary.

English (GB)

Mechanical installation

DANGER

Electric shock

Death or serious

personal injury

- Switch off the power

supply and lock the

main switch in position

- Switch off any external

voltage connected to

the pump before

working on the pump.

CAUTION

Hot surface

Minor or moderate

personal injury

- Make sure that the

pump has cooled down

before touching it.

DANGER

Electric shock

Death or serious

personal injury

- Before installing the

pump and starting it up

for the first time, check

the power cable for

visible defects to avoid

short circuits.

CAUTION

Biological hazard

Minor or moderate

personal injury

- Flush the pump

thoroughly with clean

water and rinse the

pump parts in water

after dismantling.

Pits for submersible

drainage and effluent

pumps may contain

drainage or effluent

with toxic and/or

disease-causing

substances.

- Wear appropriate

personal protective

equipment and

clothing.

- Observe the local

hygiene regulations in

force.

English (GB)

CAUTION

Biological hazard

Minor or moderate

personal injury

- Flush the pump

thoroughly with clean

water and rinse the

pump parts in water

after dismantling.

Pits for submersible

sewage and

wastewater pumps

may contain sewage or

wastewater with toxic

and/or disease-causing

substances

- Wear appropriate

personal protective

equipment and

clothing.

- Observe the local

hygiene regulations in

force.

CAUTION

Crushing of hands

Minor or moderate

personal injury

- Do not put your hands

or any tool into the

pump inlet or outlet

port after the pump has

been connected to the

power supply, unless

the pump has been

switched off by

removing the fuses or

switching off the main

switch.

- Make sure that the

power supply cannot

be accidentally

switched on.

CAUTION

Biological hazard

Minor or moderate

personal injury

- Make sure to seal the

pump outlet properly

when fitting the outlet

pipe, otherwise

wastewater might

spray out of the

sealing.

English (GB)

Lifting the product Installation on auto coupling

Electrical connection

WARNING

Crushing of hands

Death or serious

personal injury

- When lifting the pump,

make sure your hand is

not caught between the

lifting bracket and the

hook.

WARNING

Crushing hazard

Death or serious

personal injury

- Make sure that the

hook is fixed properly

to the lifting bracket.

- Always lift the pump by

its lifting bracket or by

means of a forklift truck

if the pump is fixed on

a pallet.

- Never lift the pump by

means of the power

cable, hose or pipe.

- Make sure that the

lifting bracket is

tightened before

attempting to lift the

pump. Tighten if

necessary.

Before beginning installation procedures,

make sure that the atmosphere in the pit is

not potentially explosive.

Do not use elastic

elements or bellows in

the pipes. Never use

these elements as a

means to align the

pipes.

DANGER

Electric shock

Death or serious

personal injury

- Connect the pump to

an external main

switch which ensures

all-pole disconnection

with a contact

separation according

to EN 60204-1, 5.3.2.

- It must be possible to

lock the main switch in

position 0. Type and

requirements as

specified in

EN 60204-1, 5.3.2.

Pumps to be installed in

potentially explosive

locations must be

connected to a control

unit with a motor

protection relay with IEC

trip class 10.

English (GB)

The permanent

installation must be fitted

with an earth-leakage

circuit breaker.

Do not install Grundfos control units, pump

controllers, Ex barriers and the free end of

the power cable in potentially explosive

environments.

The classification of the installation site

must be approved according to local rules

in each individual case.

On explosion-proof pumps, make sure that

an external earth conductor is connected

to the external earth terminal of the pump

using a conductor with a secure cable

clamp. Clean the surface of the external

earth connection and fit the cable clamp.

The cross section of the earth conductor

must be at least 4 mm2, e.g. type H07

V2-K (PVT 90 °) yellow and green.

Make sure that the earth connection is

protected against corrosion.

Make sure that all protective equipment

has been connected correctly.

Float switches used in potentially

explosive environments must be approved

for this application. They must be

connected to the Grundfos LC, LCD 108

pump controller via the intrinsically safe

LC-Ex4 barrier to ensure a safe circuit.

DANGER

Electric shock

Death or serious

personal injury

- Connect the pump to

an external main

switch which ensures

all-pole disconnection

with a contact

separation according

to EN 60204-1, 5.3.2.

- It must be possible to

lock the main switch in

position 0. Type and

requirements as

specified in EN

60204-1, 5.3.2.

DANGER

Electric shock

Death or serious

personal injury

- If the power cable is

damaged, it must be

replaced by the

manufacturer, his

service agent or a

similarly qualified

person.

English (GB)

Starting up the product

DANGER

Electric shock

Death or serious

personal injury

- Before the first startup

of the pump, check the

cable for visible

defects to avoid short

circuits.

A possible replacement

of the power cable must

be carried out by

Grundfos or a service

workshop authorised by

Grundfos.

CAUTION

Crushing of hands

Minor or moderate

personal injury

- Do not put your hands

or any tool into the

pump inlet or outlet

port after the pump has

been connected to the

power supply, unless

the pump has been

switched off by

removing the fuses or

switching off the main

switch.

- Make sure that the

power supply cannot

be accidentally

switched on.

CAUTION

Biological hazard

Minor or moderate

personal injury

- Make sure to seal the

pump outlet properly

when fitting the pipe

otherwise water may

spray out of the

sealing.

WARNING

Crushing of hands

Death or serious

personal injury

- When lifting the pump,

make sure your hand is

not caught between the

lifting bracket and the

hook.

English (GB)

DANGER

Crushing hazard

Death or serious

personal injury

- Make sure that the

hook is fixed properly

to the lifting bracket.

- Always lift the pump by

its lifting bracket or by

means of a forklift truck

if the pump is fixed on

a pallet.

- Never lift the pump by

means of the power

cable, hose or pipe.

- Make sure that the

lifting bracket is

tightened before

attempting to lift the

pump. Tighten if

necessary.

DANGER

Electric shock

Death or serious

personal injury

- Before starting up the

product for the first

time, check the power

cable for visible

defects to avoid short

circuits.

- If the power cable is

damaged, it must be

replaced by the

manufacturer, the

manufacturer’s service

partner or a similarly

qualified person.

- Make sure that the

product is earthed

properly.

- Switch off the power

supply and lock the

main switch in position

- Switch off all external

voltage connections to

the product before

working on it.

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