Grundfos SP Manual de usuario

GRUNDFOS INSTRUCTIONS

Stainless steel submersible pumps

4", 6", 8", and 10"

Installation and operating instructions

Table of contents

English (US)

Installation and operating instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Français (CA)

Notice d'installation et de fonctionnement . . . . . . . . . . . . . . . . . . . . . . . 45

Español (MX)

Instrucciones de instalación y operación . . . . . . . . . . . . . . . . . . . . . . . . 86

Appendix 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Annexe 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

Anexo 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

English (US)

English (US) Installation and operating instructions

Original installation and operating

instructions

CONTENTS

Page

1. Limited warranty 5

2. Symbols used in this document 5

3. Product description 6

3.1 Introduction 6

3.2 Applications 6

3.3 Features and benefits 6

3.4 Type key 6

4. Delivery, handling and storage 6

4.1 Delivery 6

4.2 Handling 6

4.3 Storage 7

5. Operating conditions 7

6. Installation 7

6.1 Pre-installation checklist 7

6.2 Positional requirements 8

6.3 Preparation 9

6.4 Removing and fitting the cable guard 11

6.5 Splicing the motor cable 11

6.6 Riser pipe 12

6.7 Electrical and variable-frequency

drive information 14

7. Startup 22

7.1 Startup with three-phase motors 22

8. Operation 24

8.1 Minimum flow rate 24

8.2 Soft starter 25

8.3 Maintenance and service 25

9. Troubleshooting 25

9.1 Preliminary tests 26

9.2 Checking pump performance 27

9.3 Troubleshooting chart 28

10. Technical data 32

10.1 Motor cooling requirements 32

10.2 Guide for engine-driven generators

in submersible pump applications 33

10.3 Transformer capacity required for

three-phase submersible motors 34

10.4 Submersible drop cable selection

charts (60 Hz) 34

10.5 Approvals 40

10.6 Electrical data 41

11. Disposal 44

WARNING

Prior to installation, read these

installation and operating instructions.

Installation and operation must

comply with local regulations and

accepted codes of good practice.

Keep this booklet with the pump for

future reference and information

regarding its operation.

WARNING

The installation of this product

requires experience with and

knowledge of the product.

Persons with reduced physical,

sensory or mental capabilities must

not use this product, unless they are

under supervision or have been

instructed in the use of the product by

a person responsible for their safety.

Children must not use or play with this

product.

English (US)

1. Limited warranty

Products manufactured by GRUNDFOS PUMPS

CORPORATION (Grundfos) are warranted to

the original user only to be free of defects in

material and workmanship for a period of 24

months from date of installation, but not more

than 30 months from date of manufacture.

Grundfos' liability under this warranty shall be

limited to repairing or replacing at Grundfos'

option, without charge, FOB Grundfos' factory or

authorized service station, any product of

Grundfos' manufacture. Grundfos will not be

liable for any costs of removal, installation,

transportation, or any other charges which may

arise in connection with a warranty claim.

Products which are sold but not manufactured

by Grundfos are subject to the warranty

provided by the manufacturer of said products

and not by Grundfos' warranty. Grundfos will not

be liable for damage or wear to products caused

by abnormal operating conditions, accident,

abuse, misuse, unauthorized alteration or repair,

or if the product was not installed in accordance

with Grundfos' printed installation and operating

instructions.

To obtain service under this warranty, the

defective product must be returned to the

distributor or dealer of Grundfos' products from

which it was purchased together with proof of

purchase and installation date, failure date, and

supporting installation data. Unless otherwise

provided, the distributor or dealer will contact

Grundfos or an authorized service station for

instructions. Any defective product to be

returned to Grundfos or a service station must

be sent freight prepaid; documentation

supporting the warranty claim and/or a Return

Material Authorization must be included if so

instructed.

GRUNDFOS WILL NOT BE LIABLE FOR ANY

INCIDENTAL OR CONSEQUENTIAL

DAMAGES, LOSSES, OR EXPENSES ARISING

FROM INSTALLATION, USE, OR ANY OTHER

CAUSES. THERE ARE NO EXPRESS OR

IMPLIED WARRANTIES, INCLUDING

MERCHANTABILITY OR FITNESS FOR A

PARTICULAR PURPOSE, WHICH EXTEND

BEYOND THOSE WARRANTIES DESCRIBED

OR REFERRED TO ABOVE.

Some jurisdictions do not allow the exclusion or

limitation of incidental or consequential

damages and some jurisdictions do not allow

limit actions on how long implied warranties may

last. Therefore, the above limitations or

exclusions may not apply to you. This warranty

gives you specific legal rights and you may also

have other rights which vary from jurisdiction to

jurisdiction.

2. Symbols used in this document

WARNING

If these safety instructions are not

observed, it may result in personal

injury.

WARNING

If these instructions are not observed,

it may lead to electric shock with

consequent risk of serious personal

injury or death.

Caution

CAUTION

If these safety instructions are not

observed, it may result in malfunction

or damage to the equipment.

Note

Notes or instructions that make the

job easier and ensure safe operation.

English (US)

3. Product description

3.1 Introduction

Your Grundfos SP submersible pump is of the

highest quality. Combined with proper

installation, your Grundfos pump will give you

many years of reliable service.

To ensure the proper installation of the pump,

carefully read the complete manual before

attempting to install the pump.

3.2 Applications

Grundfos SP submersible pumps are suitable for

the following applications:

• groundwater supply to waterworks

• irrigation in horticulture and agriculture

• groundwater lowering (dewatering)

• pressure boosting

• industrial applications

• domestic water supply.

3.3 Features and benefits

• State-of-the-art hydraulics provide high

efficiency and low operating costs

• 100 % stainless steel components inside and

outside for long service life

• sand resistant

• resistant to aggressive water

• monitoring, protection, and communication

via protection unit MP 204, and GO remote

control.

3.4 Type key

4. Delivery, handling and storage

4.1 Delivery

Examine the components carefully to make sure

no damage has occurred to the pump end,

motor, cable or control box during shipment.

4.2 Handling

Keep the pump in the shipping carton until it is

ready to be installed. The shipping carton is

specially designed to protect it from damage.

During unpacking and prior to installation, make

sure that the pump is not dropped or

mishandled.

Do not expose the pump to unnecessary impact

and shocks.

The motor is equipped with a power cable.

You will find a loose nameplate with an adhesive

backing with the pump. If the nameplate is

blank, complete it in pen and attach it to the

control box.

Example 475 S 500 - 5 - A B

Rated flow rate in gpm

Type range

Stainless steel parts of

material

S = AISI 304

N = AISI 316

R = AISI 904L

Hp of motor

Number of impellers

First reduced-diameter impeller (A, B or C)

Second reduced-diameter impeller (A, B or C)

Caution

CAUTION

Keep the pump in the shipping carton

until it is placed in the vertical position

during installation.

Handle the pump with care.

Caution

CAUTION

Never use the power cable to support

the weight of the pump.

Note

Fix the extra nameplate supplied with

the pump at the installation site.

English (US)

4.3 Storage

4.3.1 Storage temperature

Pump: -4 - +140 °F (-20 - +60 °C).

Motor: -4 - +158 °F (-20 - +70 °C).

Store the motors in a closed, dry and well

ventilated room.

Do not expose the pump to direct sunlight.

If the pump has been unpacked, store it

horizontally, adequately supported, or vertically

to prevent misalignment. Make sure that the

pump cannot roll or fall over.

During storage, the pump can be supported as

shown in fig. 1.

Fig. 1 Pump position during storage

4.3.2 Frost protection

If the pump has to be stored after use, it must be

stored on a frost-free location, or the motor

liquid must be frost-proof.

5. Operating conditions

6. Installation

Install products in accordance with the local

code of the authority having jurisdiction.

Installation must be carried out by a qualified

person.

6.1 Pre-installation checklist

Make the following checks before beginning

installation:

• condition of the well

• condition of the water

• installation depth

• power supply

• cable type.

These checks are all critical for the proper

installation of this submersible pump.

Caution

CAUTION

If MMS motors are stored, the shaft

must be turned by hand at least once

a month. If a motor has been stored

for more than one year before

installation, the rotating parts of the

motor must be dismantled and

checked before use.

TM00 1349 2495

Flow rate, Q: Up to 1400 gpm

(318 m3/h)

Head, H: Up to 2657 ft

(810 m)

Liquid

temperature:

32-140 °F

(0-60 °C)

Maximum

submersible

depth:

MS 402 492 ft (150 m)

(213 psi)

MS 4000 1969 ft (600 m)

(852 psi)

MS 6000 1969 ft (600 m)

(852 psi)

All MMS 1969 ft (600 m)

(852 psi)

WARNING

Risk of electric shock. Do not remove

cord and strain relief. Do not connect

conduit to pump.

English (US)

6.1.1 Condition of the well

If the pump is to be installed in a new well, make

sure that the well is fully developed and bailed

or blown free of cuttings, drillings and sand. The

stainless steel construction of the Grundfos

submersible pump makes it resistant to

abrasion; however, no pump, made of any

material, can forever withstand the destructive

wear that occurs when constantly pumping

sandy water.

If this pump is used to replace an oil-filled

submersible or oil-lubricated line-shaft turbine

pump in an existing well, the well must be blown

or bailed clear of oil.

Determine the maximum depth of the well, and

the draw-down level at the pump's maximum

capacity. Use this data for pump selection and to

determine installation depth.

Check the inside diameter of the well casing to

ensure that it is larger than the size of the pump

and motor.

6.2 Positional requirements

Depending on the motor type, the pump can be

installed either vertically or horizontally. A

complete list of motor types suitable for

horizontal installation is shown in section

6.2.1 Motors suitable for horizontal installation.

If the pump is installed horizontally, make sure

that the outlet port never falls below the

horizontal plane. See fig. 2.

Fig. 2 Positional requirements

If the pump is installed horizontally, e.g. in a

tank, we recommend that you fit it in a flow

sleeve.

6.2.1 Motors suitable for horizontal

installation

WARNING

Leave the inlet screen in place if the

pump installation is accessible to

human touch.

TM00 1355 5092

Allowed

Not

allowed

Motor

Output power

60 Hz

Output power

50 Hz

[Hp (kW)] [Hp (kW)]

MS 0.5 - 40

(0.37 - 30) All

MMS6 50-60

(37 - 44.7)

5-50

(3.7 - 37)

MMS 8000 30-150

(22-112)

30-150

(22-112)

MMS 10000 100-250

(75-190)

100-250

(75-190)

Caution

CAUTION

During operation, the suction

interconnector of the pump must

always be completely submerged in

the liquid. Make sure that the NPSH

values are fulfilled.

WARNING

If the pump is used for pumping hot

liquids of 104-140 °F (40-60 °C),

make sure that persons cannot come

into contact with the pump and the

installation, e.g. by installing a guard.

English (US)

6.2.2 Pumped liquids

Submersible pumps are designed for pumping

the following liquids:

• clear and cold water that is free of air and

gasses

• clean, thin, non-explosive liquids without

solid particles or fibers.

Decreased pump performance and life

expectancy can occur if the water is not cold and

clear or contains air and gasses.

See the flow velocity table in section 10.1 Motor

cooling requirements.

When the pump and motor are used for pumping

water above the rated temperatures of the

motor, pay special attention to minimum water

flow past the motor for cooling. Water

temperature that exceeds motor rated

temperature directly shortens the motor life.

The Grundfos stainless steel submersible pump

is highly resistant to the normal corrosive

environment found in some water wells. If water

well tests show that the water has an excessive

or unusual corrosive quality, or exceeds the

motor temperature rating, contact your Grundfos

representative for information concerning

specially designed pumps for these applications.

6.3 Preparation

6.3.1 Checking of liquid in motor

The MS submersible motors are factory-filled

with SML-3 liquid, which is frost-proof down to -4

°F (-20 °C).

Carry out refilling of liquid as described below.

6.3.2 Grundfos submersible motors MS 4000

and MS 402

The filling hole for motor liquid is placed in the

following positions:

MS 4000: In the top of the motor.

MS 402: In the bottom of the motor.

1. Position the submersible pump as shown in

fig. 3.

Make sure that the filling screw is at the

highest point of the motor.

2. Remove the screw from the filling hole.

3. Inject liquid into the motor with the filling

syringe as shown in fig. 3until the liquid runs

back out of the filling hole.

4. Replace the screw in the filling hole and

tighten securely before changing the position

of the pump.

Tor qu es :

MS 4000: 2.2 ft-lbs (3.0 Nm).

MS 402: 1.5 ft-lbs (2.0 Nm).

The submersible pump is now ready for

installation.

Fig. 3 Pump position during filling, MS

4000 and MS 402

Caution

CAUTION

This pump has been tested for use

with water only. Water temperature

should not exceed rated motor

temperature. SP pumps can

withstand water temperatures up to

140°F (60°C). Water temperature that

exceeds motor rated temperature

directly shortens the motor life. The

suitability of this pump for use with

liquids other than water is the

responsibility of the end user.

Flow rate, Q: 0.44 - 1475 gpm (0.1 - 335 m3/h)

Head, H: Maximum 2657 ft (810 m)

WARNING

Before starting work on the pump,

make sure that the power supply has

been switched off and that it cannot

be accidentally switched on.

Note

Check the level of the liquid in the

motor, and refill the motor, if required.

Use clean water.

Caution

CAUTION

If frost protection is required, use

special Grundfos liquid to refill the

motor. Otherwise clean water may be

used for refilling. However, never use

distilled water.

TM00 6423 0606

MS 4000 MS 402

English (US)

6.3.3 Grundfos submersible motors, MS

6000C

• If the motor is delivered from stock, the liquid

level must be checked before the motor is

fitted to the pump. See fig. 4.

• On pumps delivered directly from Grundfos,

the liquid level has already been checked.

• In the case of service, the liquid level must

be checked. See fig. 4.

Filling procedure:

The filling hole for motor liquid is placed in the

top of the motor.

1. Position the submersible pump as shown in

fig. 4.

Make sure that the filling screw is at the

highest point of the motor.

2. Remove the screw from the filling hole.

3. Inject liquid into the motor with the filling

syringe (see fig. 4) until the liquid runs back

out of the filling hole.

4. Replace the screw in the filling hole and

tighten securely before changing the position

of the motor.

Torque: 2.2 ft-lbs (3.0 Nm).

The submersible pump is now ready for

installation.

Fig. 4 Motor position during filling, MS

6000C

6.3.4 Grundfos submersible motors, MMS6,

MMS 8000, and MMS 10000

Filling procedure:

1. Place the motor at a 45 ° angle with the top

of the motor upwards. See fig. 5.

2. Unscrew the plug A and place a funnel in the

hole.

3. Pour tap water into the motor until the motor

liquid inside the motor starts running out at

4. Remove the funnel and refit the plug A.

The submersible pump is now ready for

installation.

Fig. 5 Motor position during filling, MMS

TM05 0949 1911

45°

Caution

CAUTION

Do not use motor liquid as it contains

oil.

Caution

CAUTION

Before fitting the motor to a pump

after a long period of storage,

lubricate the shaft seal by adding a

few drops of water and turning the

shaft.

TM03 0265 3605

45°

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