Grundfos CR Series User manual

CR, CRI, CRN, CRT
ATEX-approved pumps
Installation and operating instructions
GRUNDFOS INSTRUCTIONS

2

3
Table of contents
CR, CRI, CRN, CRT
ATEX-approved pumps
English (GB)
Installation and operating instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Български (BG)
Упътване за монтаж и експлоатация. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Čeština (CZ)
Montážní a provozní návod. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Deutsch (DE)
Montage- und Betriebsanleitung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Dansk (DK)
Monterings- og driftsinstruktion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Eesti (EE)
Paigaldus- ja kasutusjuhend. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Español (ES)
Instrucciones de instalación y funcionamiento . . . . . . . . . . . . . . . . . . . . . . . . . 83
Suomi (FI)
Asennus- ja käyttöohjeet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Français (FR)
Notice d'installation et de fonctionnement. . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Ελληνικά (GR)
Οδηγίες εγκατάστασης και λειτουργίας . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Hrvatski (HR)
Montažne i pogonske upute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Magyar (HU)
Telepítési és üzemeltetési utasítás. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Italiano (IT)
Istruzioni di installazione e funzionamento . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Lietuviškai (LT)
Įrengimo ir naudojimo instrukcija . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Latviešu (LV)
Uzstādīšanas un ekspluatācijas instrukcija. . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Nederlands (NL)
Installatie- en bedieningsinstructies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Polski (PL)
Instrukcja montażu i eksploatacji . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Português (PT)
Instruções de instalação e funcionamento . . . . . . . . . . . . . . . . . . . . . . . . . . . 226

Table of contents
4
CR, CRI, CRN, CRT
ATEX-approved pumps
Română (RO)
Instrucţiuni de instalare şi utilizare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Srpski (RS)
Uputstvo za instalaciju i rad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Русский (RU)
Руководство по монтажу и эксплуатации . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Svenska (SE)
Monterings- och driftsinstruktion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Slovensko (SI)
Navodila za montažo in obratovanje. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292
Slovenčina (SK)
Návod na montáž a prevádzku . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305
Türkçe (TR)
Montaj ve kullanım kılavuzu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318
Українська (UA)
Інструкції з монтажу та експлуатації . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
中文 (CN)
安装和使用说明书 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
Norsk (NO)
Installasjons- og driftsinstruksjoner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356
ﺔﻳﺑﺭﻌﻟﺍ (AR)
ﻝﻳﻐﺷﺗﻟﺍ ﻭ ﺏﻳﻛﺭﺗﻟﺍ ﺕﺎﻣﻳﻠﻌﺗ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381

English (GB)
5
English (GB) Installation and operating instructions
Original installation and operating instructions
These supplementary installation and operating
instructions apply to the ATEX-approved Grundfos
CR pumps.
The CR pumps comply with ATEX Directive 2014/34/
EU.
The pumps are suitable for use in zones classified
according to Directive 1999/92/EC. In case of doubt,
consult the above-mentioned directives, or contact
Grundfos.
CONTENTS
Page
1. General information
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. General information 5
1.1 Hazard statements 5
1.2 Notes 6
2. Related installation and operating
instructions 6
3. Receiving the product 6
4. Explosion protection document 6
5. Identification 7
5.1 Nameplate 7
5.2 Type key 8
5.3 Drive-end motor bearing 9
6. Scope of ATEX categories for CR
pumps 10
7. Installing the product 11
7.1 Pump with single seal 11
7.2 Pump with MAGdrive 11
7.3 Pump with double seal 12
7.4 Bare-shaft pumps 12
8. Operating conditions 13
8.1 Maximum ambient temperature 13
8.2 Maximum liquid temperature 13
8.3 Temperature calculation 14
9. Before starting up and during operation
of an ATEX-approved pump 15
9.1 Checklist 15
10. Maintenance and inspection 17
10.1 Tightening torques 17
10.2 Shaft seal 17
Read this document before installing the
product. Installation and operation must
comply with local regulations and accepted
codes of good practice.
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.

English (GB)
6
1.2 Notes
The symbols and notes below may appear in
Grundfos installation and operating instructions,
safety instructions and service instructions.
2. Related installation and operating
instructions
The X on the nameplate indicates that the pump is
subject to special conditions for safe use as
described in these instructions. The nameplate
markings are described in the table in section
5. Identification.
In addition to these instructions, observe the
following installation and operating instructions:
• CR, CRI, CRN: for standard pumps
• CR, CRI, CRN, CRT: removal of transport bracket
and fitting of motor. For pumps without motor
• MG: Grundfos standard motors.
For special versions of the CR pumps, observe the
relevant installation and operating instructions:
•CRN MAGdrive
• CR, CRI, CRN: double seal, back-to-back
• CR, CRI, CRN: double seal, tandem
• MG: Grundfos standard motors.
3. Receiving the product
If the pump is delivered without a motor, mount the
motor and then adjust the chamber stack and shaft
seal according to the procedure described in the
installation and operating instructions, "Removal of
transport bracket and fitting of motor", supplied with
the pump.
4. Explosion protection document
The combination of CR pump and all monitoring
equipment must be described in the explosion
protection document according to Directive 1999/92/
EC.
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)
7
5. Identification
5.1 Nameplate
The nameplate on the pump head gives the following
details:
• data of standard pump
• data of ATEX marking
– technical file number
– serial number
– Ex category.
Fig. 1 Example of a CR nameplate with ATEX
approval
Data for the ATEX marking only refers to the part
including the coupling. The motor has a separate
nameplate.
TM07 5039 0719
DK-8850 Bjerringbro,Denmark
Model-PN-SN
Type
Hz
pmax/tmax
Tech file no
Made in Denmark
P code: P115482
bar/°C
min-1 excl.motor 500kg
/hm3
kW [P2]
H/H max m 0(,
ȘS 
B-96123526-98438832
CR255-1-1A-F-A-E-HQQE
435/248
2917
64 CCW
98964685X
99356347
50/60
4.0
0.7 69.7
14.2/22.1
21
435-580/176
II 3G Ex h IIC T4...T3 Gb
ATEX rating
Pos. Description
1
II Group I: Underground in mines
II: Surface equipment
3G
Category
M2: Mining
2G, 3G: Gas/vapours
2D, 3D: Dust
Ex h Protection type
IIC
Environment group
IIC: Gas/vapours
IIIC: Combustible dust
IIIB: Non-magnetic dust
T4...T3
Maximum surface
temperature according to
80079-36.
Temperature range or
specific temperature.
T4...T3: Gas
T125 °C: Dust
Gb
EPL (Equipment Protection
Level).
Gb, Gc: Gas
Db, Dc: Dust
2
98964685 File number for technical file
stored at DEKRA.
X
Indicates that the equipment
is subject to special
conditions for safe use. The
conditions are mentioned in
this document.

English (GB)
8
5.2 Type key
5.2.1 Type key example
5.2.2 Key to codes for pump version
Example CR 32- 2 1- X- X- X- X- XXXX
Type range: CR, CRN
Rated flow rate in m3/h
Number of stages
Number of impellers with reduced diameter
Code for pump version
Code for pipe connection
Code for materials
Code for rubber pump parts
Code for shaft seal
Codes for pump version
A Basic version
BOversize motor
E Pump with certificate
H Horizontal version
I Different pressure rating
K Pump with low NPSH
M Magnetic drive
O Cleaned and dried
P Undersize motor
S High-pressure pump
T Thrust handling device (THD)
U ATEX approved pump
Y Electropolished
Z Pumps with bearing flange

English (GB)
9
5.3 Drive-end motor bearing
Make sure to use the correct type of drive-end (DE)
motor bearing for the bare-shaft pump. Please check
the specific pump range and pump version stated on
the nameplate and select the corresponding DE
bearing.
1) Refer to the codes for pump version in section 5.2 Type key.
2) Factory product variants (FPV).
DE bearing
CR 1-64 pump range DE bearing CR 95-255 pump range
Pump version1) Deep-groove ball
bearing
(62/63xx)
Angular contact
bearing
(73xx)
Deep-groove ball
bearing
(62/63xx)
Angular contact
bearing
(73xx)
A Standard pump 0.37 - 3 kW 4-45 kW 75-200 kW 5.5 - 55 kW
T Pump with thrust handling device
(THD)2) - - 5.5 - 55 kW Not allowed
Z Pump with bearing
flange2) 0.37 - 45 kW Not allowed 5.5 - 200 kW Not allowed

English (GB)
10
6. Scope of ATEX categories for CR pumps
1) EPL: Equipment Protection Level.
2) Important: The link between groups, categories
and zones is explained in Directive1999/92/EC.
Note that this is a minimum directive. Some EU
countries may therefore have stricter local rules.
The user or installer is always responsible for
checking that the group and category of the
pump correspond to the zone classification of the
installation site.
Directive ATEX-approved CR pumps
2014/34/EU GROUP I
Category M
Environment: 1 2
EPL1):Ma Mb
1999/92/EC2) --
CR pumps None CR CRI
CRN
Motors None None
2014/34/EU GROUP II
Category 1 Category 2 Category 3
Environment: G D G D G D
EPL1):Ga Da Gb Db Gc Dc
1999/92/EC2) Zone 0 Zone 20 Zone 1 Zone 21 Zone 2 Zone 22
CR pumps None None
CR
CRI
CRN
CRT
CR
CRI
CRN
CRT
CR
CRI
CRN
CRT
CR
CRI
CRN
CRT
Motors None None
• II 2G Ex eb
IIC T3 Gb
• II 2G Ex db
IIC T4 Gb
• II 2D Ex tb
IIIC T125 °C
Db
• II 2G Ex eb
IIC T3 Gb
• II 2G Ex db
IIC T4 Gb
• II 3D Ex tc
IIIC T125 °C
Dc