Grundfos S2 Series User manual

S pumps, ranges 72-74-78
S2, S3, S4, ST-55-520 kW
Installation and operating instructions
GRUNDFOS INSTRUCTIONS

S pumps, ranges 72-74-78
English (GB)
Installation and operating instructions ..................................5
Български (BG)
Упътване за монтаж и експлоатация.................................43
Čeština (CZ)
Montážní a provozní návod ........................................84
Deutsch (DE)
Montage- und Betriebsanleitung ....................................122
Dansk (DK)
Monterings- og driftsinstruktion .....................................166
Eesti (EE)
Paigaldus- ja kasutusjuhend.......................................204
Español (ES)
Instrucciones de instalación y funcionamiento...........................241
Suomi (FI)
Asennus- ja käyttöohjeet .........................................283
Français (FR)
Notice d'installation et de fonctionnement..............................321
Ελληνικά (GR)
Οδηγίες εγκατάστασης και λειτουργίας................................361
Hrvatski (HR)
Montažne i pogonske upute .......................................404
Magyar (HU)
Telepítési és üzemeltetési utasítás ..................................441
Italiano (IT)
Istruzioni di installazione e funzionamento .............................481
Lietuviškai (LT)
Įrengimo ir naudojimo instrukcija ....................................521
Latviešu (LV)
Uzstādīšanas un ekspluatācijas instrukcija .............................559
Nederlands (NL)
Installatie- en bedieningsinstructies ..................................598
Polski (PL)
Instrukcja montażu i eksploatacji....................................639
3
Table of contents

Português (PT)
Instruções de instalação e funcionamento .............................677
Română (RO)
Instrucţiuni de instalare şi utilizare...................................718
Srpski (RS)
Uputstvo za instalaciju i rad .......................................755
Svenska (SE)
Monterings- och driftsinstruktion ....................................794
Slovensko (SI)
Navodila za montažo in obratovanje .................................831
Slovenčina (SK)
Návod na montáž a prevádzku .....................................869
Türkçe (TR)
Montaj ve kullanım kılavuzu .......................................908
Українська (UA)
Інструкції з монтажу та експлуатації ................................948
中文 (CN)
安装和使用说明书 ..............................................991
Norsk (NO)
Installasjons- og driftsinstruksjoner .................................1026
(AR) 
    ............................................1063
China RoHS ................................................1099
Declaration of conformity ......................................1100
Declaration of conformity ......................................1103
Declaration of conformity ......................................1104
Declaration of conformity ......................................1105
Declaration of conformity ......................................1107
Operating manual EAC ........................................1109
4S pumps, ranges 72-74-78
Table of contents

English (GB) Installation and operating instructions
Original installation and operating instructions
Table of contents
1. General information ............. 6
1.1 Hazard statements .............. 6
1.2 Notes ..................... 6
1.3 Target groups ................. 6
2. Product introduction ............ 7
2.1 Product description .............. 7
2.2 Intended use ................. 7
2.3 Pumped liquids ................ 7
2.4 Identification.................. 7
2.5 Approvals ...................10
2.6 Potentially explosive environments......11
2.7 Applications ..................13
3. Receiving the product............13
3.1 Transporting the product ...........13
3.2 Handling and lifting the product .......14
4. Installing the product ............16
4.1 Mechanical installation ............16
4.2 Foundation ..................17
4.3 Mounting the product .............17
4.4 Electrical connection .............22
4.5 Frequency converter operation ........23
5. Protection and control functions .....24
5.1 Motor protection devices ...........24
5.2 Pump controller ................24
5.3 IO 113 .....................24
5.4 SM 113, optional ...............25
5.5 Switches and sensors ............25
6. Starting up the product ...........27
6.1 Preparations for starting up..........28
6.2 Level of pumped liquid ............28
6.3 Checking the direction of rotation ......30
6.4 Start up ....................30
7. Handling and storing the product .....31
7.1 Handling the product .............31
7.2 Storing the product ..............32
8. Servicing and maintaining the product ..32
8.1 Safety instructions and requirements ....32
8.2 Maintenance schedule ............33
8.3 Oil check and change.............33
8.4 Inspection and adjustment of the impeller
clearance ...................34
8.5 Pump cleaning and inspection ........36
8.6 Power cables .................36
8.7 Spare parts ..................37
8.8 Contaminated pumps and service ......37
9. Fault finding the product ..........38
10. Technical data ................40
10.1 Operating conditions .............40
10.2 Electrical data .................40
10.3 Dimensions and weights ...........41
11. Disposing of the product ..........42
5
English (GB)

1. General information
Read this document before installing the
product. Installation and operation must
comply with the local regulations and ac-
cepted codes of good practice.
1.1 Hazard statements
The symbols and hazard statements below may
appear in Grundfos installation and operating
instructions, safety instructions and service
instructions.
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 seri-
ous personal injury.
CAUTION
Indicates a hazardous situation which, if
not avoided, could result in minor or mod-
erate personal injury.
The hazard statements are structured in the following
way:
SIGNAL WORD
Description of the hazard
Consequence of ignoring the warning
• Action to avoid the hazard.
1.2 Notes
The symbols and notes below may appear in
Grundfos installation, operating, safety and service
instructions.
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, in-
dicates 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.
1.3 Target groups
These installation and operating instructions are
intended for professional installers.
6
English (GB)

2. Product introduction
2.1 Product description
1
8
7
6
2
5
9
5
3
4
TM031507
S pump, frame 72
Pos. Description
1 Inlet
2 Outlet
3 Power cables
4 Control cable
5 Lifting bracket
6 Terminal box
7 Submersible motor
8 Pump
9 Vent valve
2.2 Intended use
S pumps are designed for the pumping of sewage
and wastewater in a wide range of municipal and
industrial applications.
2.3 Pumped liquids
S pumps are ideal for transferring the following
liquids:
• sewage
• wastewater.
2.4 Identification
2.4.1 Type key
All S pumps, ranges 72, 74 and 78, described in this
manual are identified by the type designation stated
in the order confirmation and other documentation
supplied with the pump.
Note: The pump type described in this manual is not
available in all variants.
Example: S2.90.250.2250.4.72S.C.496.G.N.D.513.Z
Code Explanation Designation
SSewage and waste-
water pump
Pump type
ST
Multi-channel impeller
pump installed in a
column pipe
2 2-channel impeller
Impeller type3 3-channel impeller
4 4-channel impeller
90 Maximum solids size
[mm]
Pump passage
[mm]
250 Nominal diameter of
the pump outlet
Pump outlet, S
type [mm]
[ ] Nominal diameter of
the column pipe
Column diameter,
ST type [mm]
2250 Output power, P2
P2 / 10
Output power
[kW]1
4 4-pole motor
Number of poles
6 6-pole motor
8 8-pole motor
10 10-pole motor
12 12-pole motor
14 14-pole motor
72 Range 72
Pump range74 Range 74
78 Range 78
7
English (GB)

Code Explanation Designation
S Super-high pressure
Pressure version
H High pressure
M Middle pressure
L Low pressure
E Extra-low pressure
F Super-low pressure
S
Submersible installa-
tion without cooling
jacket
Installation
C
Submersible installa-
tion with cooling jack-
et
DDry installation, verti-
cal
HDry installation, hori-
zontal
496 Impeller diameter
(nominal)
Impeller diameter
[mm]
G
Impeller, pump- and
stator housing: cast
iron Material code for
impeller, pump-
and stator hous-
ing
Q
Impeller: stainless
steel, DIN W.-Nr.
1.4408
NNon-explosion-proof
version Pump version
Ex Pump with explosion-
proof motor
BS pump with built-in
SM 113 module.2
Sensor version
DS pump without built-
in SM 113 module
5 50 Hz Frequency [Hz]
6 60 Hz
Code Explanation Designation
0H 3 x 400 V DOL
Voltage code and
connection (50
Hz)
3 3 x 415 V DOL
4 3 x 500 V DOL
6 3 x 660 V DOL
8 3 x 380-400 V DOL
0B 3 x 400-415 V DOL
0D 3 x 380-415 V DOL
0G 3 x 380 V DOL
0Q 3 x 690 V DOL
1B 3 x 400-415/690 V
Y/D
1D 3 x 380-415/660-690
V Y/D
1G 3 x 380-660 V Y/D
1H 3 x 400/690 V Y/D
13 3 x 415 V Y/D
14 3 x 500 V Y/D
18 3 x 380-400/660-690
V Y/D
0H 3 x 460 V DOL
Voltage code and
connection (60
Hz)
4 3 x 575-600 V DOL
5 3 x 380 V DOL
8 3 x 460-480 V DOL
0R 3 x 480 V DOL
0S 3 x 660 V DOL
1H 3 x 380-660 V Y/D
14 3 x 575-600 V Y/D
15 3 x 380-660 V Y/D
18 3 x 460-480 V Y/D
58 3 x 575 V Y/D
Z Custom-built products Customisation
1 Standard range: 57-460 kW.
50 Hz DIN version: 90-520 kW.
60 Hz DIN version: 90-560 kW
Standard range: 168-617 hp.
60 Hz ANSI version: 140-750 hp
2 PTC sensors are connected directly to IO 113 or
other PTC relay.
8
English (GB)

2.4.2 Nameplate
1
24
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
TM080907
Pump nameplate
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 Rated voltage, delta connection
8 Rated voltage, star connection
9 Rated power input / output [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 Rated current, delta connection
19 Rated current, star connection
20 Safety factor
21 Insulation class
22 Net weight [kg]
23 Place of production
24 UK importer address for UK market
9
English (GB)

2.5 Approvals
The product ranges 74 and 78 are approved
according to IEC 60079-0 and IEC 60079-1,
certificate number is IECEx FMG 18.0009X.
The product range 72 is approved according to IEC
60079-0 and IEC 60079-1, certificate number is
IECEx BAS 21.0029X.
2.5.1 Ex approval plates
TM080581
Approval plate of range 72 explosion-proof pumps,
T3 and T4 classification
TM080582
Approval plate of range 74 and 78 explosion-proof
pumps
The approval plates provide the following details:
The equipment conforms to harmonised
European standard.
II Equipment group (II = non-mining)
2 Equipment category (high protection)
G Type of explosive atmosphere (gas)
CE CE mark
UKCA UKCA mark
0344 Number of quality assurance notified
body
1180 Number of quality assurance notified
body
Ex Marking of explosion protection
db Flameproof enclosure, Zone 1
eb WIO sensor protection by increased safe-
ty
h
Constructional safety "c", Control of igni-
tion sources "b" and Liquid immersion "k"
according to EN ISO 80079-36:2016 and
EN ISO 80079-37:2016
mb WIO sensor protection by enclosure
IIB Gas group (ethylene)
T3 Maximum surface temperature of the mo-
tor is 200 °C*.
T4 Maximum surface temperature of the mo-
tor is 135 °C.
Gb Equipment protection level, zone 1
* For pumps operated by a frequency converter, the
maximum surface temperature must not exceed T3
temperature class (200 °C).
10
English (GB)