Grundfos S 50 Series Bedienungsanleitung

S-pumps, ranges 50 and 54

50/60 Hz

Service instructions

GRUNDFOS INSTRUCTIONS

QR96838602

Installation and operating instructions in

English and other languages for 50/60 Hz

http://net.grundfos.com/qr/i/96838602

English (GB)

English (GB) Service instructions

Original service instructions

In this document there are references to the installation and

operating instructions for the S pumps, ranges 50-70 (96838602).

The installation and operating instructions are accessible via the

QR code and link on the front of this document.

CONTENTS

Page

1. Symbols used in this document

1.1 Hazard statements

The symbols and hazard statements below may appear in

Grundfos installation and operating instructions, safety

instructions and service instructions.

The hazard statements are structured in the following way:

1.2 Notes

The symbols and notes below may appear in Grundfos

installation and operating instructions, safety instructions and

service instructions.

1. Symbols used in this document 2

1.1 Hazard statements 2

1.2 Notes 2

2. Safety 3

3. Receiving the product 3

3.1 Transporting the product 3

3.2 Contaminated pumps 3

4. Handling the pump 3

4.1 Lifting the pump 3

4.2 Lifting points 3

4.3 Raising the pump to upright position 4

5. Identification 5

5.1 Nameplates 5

5.2 Approval plates 5

5.3 Type keys 6

6. Torques and lubricants 8

6.1 Common torques 8

6.2 Special torques and lubricants 8

6.3 Quantities of grease in bearings 8

6.4 Motor oil 8

7. Service tools 9

7.1 Standard tools 9

7.2 Special tools 10

7.3 Tightness test tools 10

7.4 Lifting tools 10

8. Service 11

8.1 General information 11

8.2 Servicing pumps with explosion-proof motors 11

8.3 Pump cleaning and visual inspection 11

8.4 Annual maintenance 11

8.5 Oil check and oil change 12

8.6 Inspection and adjustment of impeller clearance 13

8.7 Electrical measurements 13

9. Dismantling and assembly instructions 15

9.1 Checking and replacing the cable 15

9.2 Checking and replacing the protection sensors 16

9.3 Dismantling - S pump 18

9.4 Assembling 19

10. Tightness test 21

10.1 Tightness test of shaft seal housing 21

10.2 Tightness test of stator housing (submerged) 21

11. Drawings 22

11.1 Sectional drawings - motor 22

11.2 Sectional drawings - Pump 26

11.3 Position numbers and material specification 33

11.4 Sensor positions 35

11.5 Electrical connections 36

DANGER

Indicates a hazardous situation which, if not avoided,

will result in death or serious personal injury.

WARNING

Indicates a hazardous situation which, if not avoided,

could result in death or serious personal injury.

CAUTION

Indicates a hazardous situation which, if not avoided,

could result in minor or moderate personal injury.

SIGNAL WORD

Description of hazard

Consequence of ignoring the warning.

- Action to avoid the hazard.

Observe these instructions for explosion-proof

products.

A blue or grey circle with a white graphical symbol

indicates that an action must be taken.

A red or grey circle with a diagonal bar, possibly with

a black graphical symbol, indicates that an action

must not be taken or must be stopped.

If these instructions are not observed, it may result in

malfunction or damage to the equipment.

Tips and advice that make the work easier.

English (GB)

2. Safety

For safety reasons, all work in pits must be supervised by a

person outside the pump pit.

Pits for submerged sewage and wastewater pumps contain

gasses and wastewater with toxic and/or disease-causing

substances. Therefore, all persons involved must wear

appropriate personal protective equipment and clothing, and all

work on and near the pump must be carried out under strict

observance of hygienic regulations in force.

3. Receiving the product

3.1 Transporting the product

You can transport the pump in vertical or horizontal position.

Make sure that the pump cannot roll or fall over.

During long periods of storage, the pump must be protected

against moisture and heat.

For further information, see the installation and operating

instructions for S pumps, range 50-70. The installation and

operating instructions are accessible via the QR code and the link

on the front page of this document.

3.2 Contaminated pumps

If a pump has been used for a liquid which is injurious to health or

toxic, the pump will be classified as contaminated.

4. Handling the pump

S pumps weigh up to 520 kg without accessories. It is therefore

very important to use the right lifting equipment.

The pump weight is stated on the pump nameplate. See section

5.1 Nameplates.

4.1 Lifting the pump

All lifting equipment must be rated for the purpose and checked

for damage before any attempt to lift the pump. The lifting

equipment rating must under no circumstances be exceeded. See

section 7.4 Lifting tools.

4.2 Lifting points

Lifting the pump by the power supply cables may result in electric

short circuit and risk of electric shock when the pump is

connected to the mains. The cables and the cable entry may be

damaged, leading to loss of watertightness and consequent

severe damage to the motor.

4.2.1 Lifting points (top)

Use the right lifting point to keep the pump balanced. S pumps

are equipped with a lifting bracket with lifting points ensuring that

the pump can be lifted in a safe manner. See fig. 1and the table

below for the correct lifting points.

Fig. 1 LIfting points for installation types S, C and D

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.

DANGER

Crushing hazard

Death or serious personal injury

- Before attempting to lift the pump, make sure the

rated capacity of the lifting equipment (lifting chain

etc.) is adequate for the lifting work. The rated

capacity of the lifting equipment is stated on the

equipment nameplate. The weight of the pump is

stared on the pump nameplate.

WARNING

Crushing of feet

Death or serious personal injury

- Always lift the pump by its lifting bracket or by

means of a fork-lift truck.

CAUTION

Biological hazard

Minor or moderate personal injury

- Flush the pump thoroughly with clean water and

rinse the pump parts in water after dismantling.

DANGER

Electric shock

Death or serious personal injury

- Never lift the pump by the power supply cables.

TM04 7173 1710

Outlet flange size Pump range

50 54

DN 80 Middle Middle

DN 100 Middle Middle

DN 125 Middle Middle

DN 200 Front Front

DN 250 - Front

Front

Middle

English (GB)

4.2.2 Lifting points (bottom)

S pumps, ranges 50 and 54, are equipped only with a lifting

bracket on the motor top cover. Use the pump outlet as the lower

lifting point, and lift by means of a lifting strap or a lifting chain

secured below the pump outlet. See fig. 2.

Fig. 2 Lifting points for installation type H

4.3 Raising the pump to upright position

Carelessness during the lifting or transportation may cause injury

to persons or damage the pump.

Fig. 3 Raising the pump to upright position, step 1

Fig. 4 Raising the pump to upright position, step 2

Fig. 5 Raising the pump to upright position, step 3

TM06 5923 0316

DANGER

Crushing hazard

Death or serious personal injury

- Make sure the lifting bracket or strap is tightened

before attempting to lift the pump. Tighten if

necessary.

DANGER

Crushing hazard

Death or serious personal injury

- Do not stand under or next to the pump when

raising it to upright position in order to avoid

crushing in case the pump overturns.

- Make sure the pump is raised gently into upright

position to avoid the lifting chain slipping off the

crane when the pump is not in balance.

TM03 3034 0208

Secure and lift by means of a strap

TM03 3035 0208TM03 3036 0208

English (GB)

5. Identification

5.1 Nameplates

5.1.1 Grundfos version

Fig. 6 Nameplate, Grundfos version

5.1.2 Sarlin version

Pumps manufactured in 2001 and before.

Fig. 7 Nameplate, Sarlin version

* Position not used.

5.2 Approval plates

See the installation and operating instructions for S-pumps,

ranges 50-70. The installation and operating instructions are

accessible via the QR code or the link on the front page of this

document.

TM06 0370 5313

Pos. Description

1 Type designation

2 Product number

3 Serial number

4 Maximum head [m]

5 Maximum installation depth [m]

6 Number of phases

7 Voltage, delta connection

8 Voltage, star connection

9 Rated power input [kW]

10 Cos φ, 1/1-load

11 Production code, year and week

12 Production number

13 Maximum liquid temperature [°C]

14 Maximum flow rate [l/s]

15 Enclosure class

16 Frequency [Hz]

17 Rated speed

18 Current, delta connection

19 Current, star connection

20 Rated power output P2

21 Insulation class

22 Net weight [kg]

23 Place of production

TM03 2548 4505

Pos. Description

1 Type designation

3 Serial number

5 Maximum head [m]

6 Maximum flow rate [l/s]

7 Maximum installation depth [m]

8 Enclosure class

9 Number of phases

10 Frequency [Hz]

11 Rated speed

12 Voltage/current, delta connection

13 Voltage/current, star connection

14 Power input

15 *

16 *

17 *

18 Production code, year and week

19 Pump weight [kg]

20 Fuse rating, delta connection

TYPE

No.

IP 68

20 m

r/min

HELSINKI FINLAND

l/s

WEIGHT

18 8

English (GB)

5.3 Type keys

5.3.1 Grundfos version

The S pumps are identified by the type code stated in the order

confirmation and other documentation supplied with the pump.

Please note that the pump type described in this booklet is not

necessarily available in all variants.

Code Explanation Designation

SGrundfos sewage and wastewater

pump Pump type

ST Multi-channel impeller pump

installed in a column pipe

1 Single-channel

Impeller type

2 Two-channel

3 Three-channel

V SuperVortex

100 Maximum solid size [mm] Pump passage

100

Nominal diameter of pump outlet

port [mm]

Pump outlet,

S-type

Nominal diameter of column pipe

[mm]

Pump outlet, ST-

type

55 P2 = Code number from type

designation / 10 Output power [kW]

2 2-pole motor

Number of poles

4 4-pole motor

6 6-pole motor

8 8-pole motor

10 10-pole motor

12 12-pole motor

50 Range 50

Pump range

54 Range 54

58 Range 58

62 Range 62

66 Range 66

70 Range 70

S Super-high

Pressure version

HHigh

MMedium

L Low

E Extra-low

F Super-low

SSubmersible installation without

cooling jacket

Installation type

CSubmersible installation with

cooling jacket

D Dry installation, vertical

H Dry installation, horizontal

205 Impeller diameter [mm] Impeller diameter

(mean)

GCast iron impeller, pump housing

and stator housing

Material code for

impeller, pump

housing and stator

housing

QStainless steel impeller, DIN W.-Nr.

1.4408

SStainless steel impeller and pump

housing, DIN W.-Nr. 1.4408

Stainless steel impeller, pump

housing and stator housing, DIN

W.-Nr. 1.4408

N Non-explosion proof pump Pump version

Ex Pump with explosion-proof motor

S pump with built-in SM 113

module. PTC sensors are

connected directly to IO 113 or

other PTC relay. Sensor version

C Not in use

DS pump without built-in SM 113

module.

5 50 Hz Frequency [Hz]

6 60 Hz

3 x 400 / 690 V, Y/D

(50 Hz only)

Voltage code and

connection

3 x 460 V, Y/D

(60 Hz only)

13 3 x 415 V, Y/D

(50 Hz only)

15 3 x 380 / 660 V, Y/D

(60 Hz only)

GPA Pumps only for Australia Customisation

Z Custom-built products

Code Explanation Designation

English (GB)

5.3.2 Sarlin version (old)

Example: S1.X.5.4.H.1.A.5.11.P.Z

* The generation code distinguishes between structurally

different pumps which have the same power rating.

Code Explanation Designation

SGrundfos (or Sarlin) sewage and

wastewater pump Pump type

ST Multi-channel impeller pump

installed in a column pipe

1 Single-channel Impeller type

V SuperVortex

[ ] Standard pump

Pump version

XIn conformity with the ATEX

directive

5 Motor power [kW] Power [kW]

2 2-pole motor Number of poles

4 4-pole motor

[ ] First generation

Generation*2 Second generation

3 Third generation

[ ] No classification

Pressure version

L Low

MMedium

HHigh

1Submersible installation on auto-

coupling

Installation type

Submersible installation on auto-

coupling. May operate

continuously with motor

exposed.

3Dry vertical installation with base

stand

4 Submerged installation, portable

Submerged installation, portable.

May operate continuously with

motor exposed.

6Horizontal dry installation with

base stand and bracket.

[ ]

No letter indicates full

interchangeability of parts and

use of the same spare parts

catalogue. Interchangeability

A,B,C

The letters (A,B,C,...) indicates

interchangeability of parts

between otherwise identical

pumps.

1 Single-phase Number of phases

[ ] Three-phase

5 50 Hz Frequency [Hz]

6 60 Hz

50 Hz 60 Hz

Voltage code and

connection

01 400 V, DOL 460 V, DOL

03 415 V, DOL 500 V, DOL

05 380 V, DOL

07 220 V, DOL

11 400 V, Y/D 460 V, Y/D

13 415 V, Y/D 500 V, Y/D

15 380 V, Y/D

17 220 V, Y/D

UFlanges Sized According To Ansi

Specifications Special Equipment

ZSee confirmation of order for

further details Non-standard parts

English (GB)

6. Torques and lubricants

This section shows the screws and nuts that must be tightened to

a certain torque and the lubricants to be used.

6.1 Common torques

6.2 Special torques and lubricants

Silicone spray Valvoline: 96249498

6.3 Quantities of grease in bearings

Grease: Esso Unirex S2: 96248520

6.4 Motor oil

Motor oil with viscosity grade SAE 10 W 40

Dimension M3 M4 M5 M6 M8 M10 M12 M16 M20 M24

Torque [Nm] 1.1 ± 0.3 2.6 ± 0.6 5.2 ± 1 8.8 ± 2 21 ± 5 42 ± 10 73 ± 15 175 ± 15 350 ± 30 600 ± 30

Range Pos. Description Quantity Dimensions Torque

[Nm] Lubricant

50 67 Screw 1 M10 90 -

54 M12 120 -

50 72a O-ring 1 184.3 x 5.7 -Oil

54 219.3 x 5.7

All - Shaft end - - - Silicon spray

All 105

O-ring (stationary part) 1 45.69 x 2.62 - Oil

O-ring (rotating part) 1 37.77 x 2.62 1 Oil

Set screw 3 - 6 -

All 105b

O-ring (stationary part) 1 61.6 x 2.62 - Oil

O-ring (rotating part) 1 50.47 x 2.62 - Oil

Set screw 3 - 6 -

Range Bearing Amount of grease

50 Lower bearing 0.105 litres

54 0.240 litres

Range Bearing Amount of grease

50 Upper bearing 0.058 litres

54 0.160 litres

Range Installation type Amount of motor oil

50 S 2.6 litres

C and H 1.9 litres

54 S 3.5 litres

C, D and H 2.5 litres

English (GB)

7. Service tools

The following table shows standard and special tools for pump service.

7.1 Standard tools

Standard tools

ABCD

EFGH

IJKM

Pos. Range Designation

A All Hexagon head driver

B All Ratchet handle 1/2"

C All Screwdriver

D All Hexagon key

E All Plastic hammer

F All Puller for bearing

G All Ring/open-end spanner

H All Pinch bar

I 54 Lock-ring pliers

J 54 Multimeter

KAllCaliber

MAllTorquewrench

English (GB)

7.2 Special tools

Special tools

7.3 Tightness test tools

Tightness test tools

7.4 Lifting tools

Lifting tools

NOPQ

Pos. Range Designation Description Part number

N50 Seal assembly tool for secondary shaft seal (PUR114) 38 mm 96061558

O Seal assembly tool for primary shaft seal (PUR125) 32 mm 96061566

P54 Seal assembly tool for secondary shaft seal (PUR115) 50 mm 96061559

Q Seal assembly tool for primary shaft seal (PUR124) 38 mm 96061565

R All Bearing heater - -

Pos. Designation Description Part

number

T Pressure gauge - -

UTest plug (KOE045)

2 pcs.

Connector M3\8-24

UNF F-ISO 228-G 3\8M 96061209

Pos. Designation Description Part

number

V Eye bolt All -

BAR

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