CM
GRUNDFOS INSTRUCTIONS
Installation and operating instructions
2
Declaration of Conformity
We Grundfos declare under our sole responsibility that the products
CM, to which this declaration relates, are in conformity with these
Council directives on the approximation of the laws of the EC member
states:
– Machinery Directive (2006/42/EC).
Standards used: EN 809: 2008 and EN 60204-1: 2006.
– Low Voltage Directive (2006/95/EC).
Applicable when the rated power is lower than 2.2 kW.
Standards used: EN 60335-1: 2002 and EN 60335-2-51: 2003.
– EMC Directive (2004/108/EC).
Konformitätserklärung
Wir, Grundfos, erklären in alleiniger Verantwortung, dass die Produkte
CM, auf die sich diese Erklärung bezieht, mit den folgenden Richtlinien
des Rates zur Angleichung der Rechtsvorschriften der EU-
Mitgliedsstaaten übereinstimmen:
– Maschinenrichtlinie (2006/42/EG).
Normen, die verwendet wurden: EN 809: 2008 und EN 60204-1:
2006.
– Niederspannungsrichtlinie (2006/95/EG).
Zutreffend für Nennleistungen kleiner 2,2 kW.
Normen, die verwendet wurden: EN 60335-1: 2002 und
EN 60335-2-51: 2003.
– EMV-Richtlinie (2004/108/EG).
Déclaration de Conformité
Nous, Grundfos, déclarons sous notre seule responsabilité, que les
produits CM, auxquels se réfère cette déclaration, sont conformes aux
Directives du Conseil concernant le rapprochement des législations des
Etats membres CE relatives aux normes énoncées ci-dessous :
– Directive Machines (2006/42/CE).
Normes utlisées : EN 809 : 2008 et EN 60204-1 : 2006.
– Directive Basse Tension (2006/95/CE).
Applicable lorsque la puissance nominale est inférieure à 2,2 kW.
Normes utlisées : EN 60335-1 : 2002 et EN 60335-2-51 : 2003.
– Directive Compatibilité Electromagnétique CEM (2004/108/CE).
Dichiarazione di Conformità
Grundfos dichiara sotto la sua esclusiva responsabilità che i prodotti
CM, ai quali si riferisce questa dichiarazione, sono conformi alle
seguenti direttive del Consiglio riguardanti il riavvicinamento delle
legislazioni degli Stati membri CE:
– Direttiva Macchine (2006/42/CE).
Norme applicate: EN 809: 2008 e EN 60204-1: 2006.
– Direttiva Bassa Tensione (2006/95/CE).
E' applicabile quando la potenza nominale è inferiore a 2,2 kW.
Norme applicate: EN 60335-1: 2002 e EN 60335-2-51: 2003.
– Direttiva EMC (2004/108/CE).
Declaración de Conformidad
Nosotros Grundfos declaramos bajo nuestra entera responsabilidad
que los productos CM, a los cuales se refiere esta declaración, están
conformes con las Directivas del Consejo en la aproximación de las
leyes de las Estados Miembros del EM:
– Directiva de Maquinaria (2006/42/CE).
Normas aplicadas: EN 809: 2008 y EN 60204-1: 2006.
– Directiva de Baja Tensión (2006/95/CE).
Aplicable cuando la potencia nominal es inferior a 2,2 kW.
Normas aplicadas: EN 60335-1: 2002 y EN 60335-2-51: 2003.
– Directiva EMC (2004/108/CE).
Declaração de Conformidade
A Grundfos declara sob sua única responsabilidade que os produtos
CM, aos quais diz respeito esta declaração, estão em conformidade
com as seguintes Directivas do Conselho sobre a aproximação das
legislações dos Estados Membros da CE:
– Directiva Máquinas (2006/42/CE).
Normas utilizadas: EN 809: 2008 e EN 60204-1: 2006.
– Directiva de baixa tensão (2006/95/CE).
Aplicável quando a gama de potência for inferior a 2,2 kW.
Normas utilizadas: EN 60335-1: 2002 e EN 60335-2-51: 2003.
– Directiva EMC (compatibilidade electromagnética) (2004/108/CE).
Δήλωση Συμμόρφωσης
Εμείς, η Grundfos, δηλώνουμε με αποκλειστικά δική μας ευθύνη ότι τα
προϊόντα CM στα οποία αναφέρεται η παρούσα δήλωση,
συμμορφώνονται με τις εξής Οδηγίες του Συμβουλίου περί προσέγγισης
των νομοθεσιών των κρατών μελών της ΕΕ:
– Οδηγία για μηχανήματα (2006/42/EC).
Πρότυπα που χρησιμοποιήθηκαν: EN 809: 2008 και EN 60204-1:
2006.
– Οδηγία χαμηλής τάσης (2006/95/EC).
Ισχύει όταν η ονομαστική ισχύς είναι κάτω από 2,2 kW.
Πρότυπα που χρησιμοποιήθηκαν: EN 60335-1: 2002 και
EN 60335-2-51: 2003.
– Οδηγία Ηλεκτρομαγνητικής Συμβατότητας (EMC) (2004/108/EC).
Overeenkomstigheidsverklaring
Wij Grundfos verklaren geheel onder eigen verantwoordelijkheid dat de
producten CM waarop deze verklaring betrekking heeft, in
overeenstemming zijn met de Richtlijnen van de Raad in zake de
onderlinge aanpassing van de wetgeving van de EG Lidstaten
betreffende:
– Machine Richtlijn (2006/42/EC).
Gebruikte normen: EN 809: 2008 en EN 60204-1: 2006.
– Laagspannings Richtlijn (2006/95/EC).
Van toepassing bij nominaal vermogen lager dan 2,2 kW.
Gebruikte normen: EN 60335-1: 2002 en EN 60335-2-51: 2003.
– EMC Richtlijn (2004/108/EC).
Försäkran om överensstämmelse
Vi, Grundfos, försäkrar under ansvar att produkterna CM, som omfattas
av denna försäkran, är i överensstämmelse med rådets direktiv om
inbördes närmande till EU-medlemsstaternas lagstiftning, avseende:
– Maskindirektivet (2006/42/EG).
Tillämpade standarder: EN 809: 2008 och EN 60204-1: 2006.
– Lågspänningsdirektivet (2006/95/EG).
Gäller för nominell effekt under 2,2 kW.
Tillämpade standarder: EN 60335-1: 2002 och
EN 60335-2-51: 2003.
– EMC-direktivet (2004/108/EG).
Vaatimustenmukaisuusvakuutus
Me Grundfos vakuutamme omalla vastuullamme, että tuotteet CM, joita
tämä vakuutus koskee, ovat EY:n jäsenvaltioiden lainsäädännön
yhdenmukaistamiseen tähtäävien Euroopan neuvoston direktiivien
vaatimusten mukaisia seuraavasti:
– Konedirektiivi (2006/42/EY).
Sovellettavat standardit: EN 809: 2008 ja EN 60204-1: 2006.
– Pienjännitedirektiivi (2006/95/EY).
Voimassa vain alle 2,2 kW nimellistehoille.
Sovellettavat standardit: EN 60335-1: 2002 ja EN 60335-2-51: 2003.
– EMC-direktiivi (2004/108/EY).
Overensstemmelseserklæring
Vi Grundfos erklærer under ansvar at produkterne CM, som denne
erklæring omhandler, er i overensstemmelse med disse af Rådets
direktiver om indbyrdes tilnærmelse til EF medlemsstaternes lovgivning
om
– Maskindirektivet (2006/42/EF).
Anvendte standarder: EN 809: 2008 og EN 60204-1: 2006.
– Lavspændingsdirektivet (2006/95/EF).
Gældende for nominelle effekter under 2,2 kW.
Anvendte standarder: EN 60335-1: 2002 og EN 60335-2-51: 2003.
– EMC-direktivet (2004/108/EF).
Deklaracja zgodności
My, Grundfos, oświadczamy z pełną odpowiedzialnością, że nasze
wyroby CM, których deklaracja niniejsza dotyczy, są zgodne z
następującymi wytycznymi Rady d/s ujednolicenia przepisów prawnych
krajów członkowskich WE:
– Dyrektywa Maszynowa (2006/42/WE).
Zastosowane normy: EN 809: 2008 oraz EN 60204-1: 2006.
– Dyrektywa Niskonapięciowa (LVD) (2006/95/WE).
Ma zastosowanie tylko dla mocy silnika mniejszej od 2,2 kW.
Zastosowane normy: EN 60335-1: 2002 oraz EN 60335-2-51: 2003.
– Dyrektywa EMC (2004/108/WE).
3
Декларация о соответствии
Мы, компания Grundfos, со всей ответственностью заявляем, что
изделия CM, к которым относится настоящая декларация,
соответствуют следующим Директивам Совета Евросоюза об
унификации законодательных предписаний стран-членов ЕС:
– Механические устройства (2006/42/ЕС).
Применявшиеся стандарты: EN 809: 2008 и EN 60204-1: 2006.
– Низковольтное оборудование (2006/95/EC).
Применяется, если номинальная мощность ниже 2,2 кВт.
Применявшиеся стандарты: EN 60335-1: 2002 и
EN 60335-2-51: 2003.
– Электромагнитная совместимость (2004/108/EC).
Megfelelőségi nyilatkozat
Mi, a Grundfos, egyedüli felelősséggel kijelentjük, hogy a CM
termékek, amelyekre jelen nyilatkozik vonatkozik, megfelelnek az
Európai Unió tagállamainak jogi irányelveit összehangoló tanács alábbi
előírásainak:
– Gépek (2006/42/EK).
Alkalmazott szabványok: EN 809: 2008 és EN 60204-1: 2006.
– Kisfeszültségű Direktíva (2006/95/EK).
Akkor alkalmazható, amikor a névleges teljesítmény kisebb mint
2,2 kW.
Alkalmazott szabványok: EN 60335-1: 2002 és
EN 60335-2-51: 2003.
– EMC Direktíva (2004/108/EK).
Izjava o skladnosti
V Grundfosu s polno odgovornostjo izjavljamo, da so naši izdelki CM,
na katere se ta izjava nanaša, v skladu z naslednjimi direktivami Sveta
o približevanju zakonodaje za izenačevanje pravnih predpisov držav
članic ES:
– Direktiva o strojih (2006/42/ES).
Uporabljeni normi: EN 809: 2008 in EN 60204-1: 2006.
– Direktiva o nizki napetosti (2006/95/ES).
Aplicirano, kadar je nominalna moč nižja od 2,2kW.
Uporabljeni normi: EN 60335-1: 2002 in EN 60335-2-51: 2003.
– Direktiva o elektromagnetni združljivosti (EMC) (2004/108/ES).
Izjava o usklađenosti
Mi, Grundfos, izjavljujemo pod vlastitom odgovornošću da je proizvod
CM, na koji se ova izjava odnosi, u skladu s direktivama ovog Vijeća o
usklađivanju zakona država članica EU:
– Direktiva za strojeve (2006/42/EZ).
Korištene norme: EN 809: 2008 i EN 60204-1: 2006.
– Direktiva za niski napon (2006/95/EZ).
Primjenjuje se kada je nazivna snaga niža od 2,2 kW.
Korištene norme: EN 60335-1: 2002 i EN 60335-2-51: 2003.
– Direktiva za elektromagnetsku kompatibilnost (2004/108/EZ).
Deklaracija o konformitetu
Mi, Grundfos, izjavljujemo pod vlastitom odgovornošću da je proizvod
CM, na koji se ova izjava odnosi, u skladu sa direktivama Saveta za
usklađivanje zakona država članica EU:
– Direktiva za mašine (2006/42/EC).
Korišćeni standardi: EN 809: 2008 i EN 60204-1: 2006.
– Direktiva niskog napona (2006/95/EC).
Primenljivo kada je nominalna snaga manja od 2,2 kW.
Korišćeni standardi: EN 60335-1: 2002 i EN 60335-2-51: 2003.
– EMC direktiva (2004/108/EC).
Declaraţie de Conformitate
Noi Grundfos declarăm pe propria răspundere că produsele CM, la
care se referă această declaraţie, sunt în conformitate cu aceste
Directive de Consiliu asupra armonizării legilor Statelor Membre CE:
– Directiva Utilaje (2006/42/EC).
Standarde utilizate: EN 809: 2008 şi EN 60204-1: 2006.
– Directiva Tensiune Joasă (2006/95/EC).
Aplicabilă când consumul estimat este de până la 2,2 kW.
Standarde utilizate: EN 60335-1: 2002 şi EN 60335-2-51: 2003.
– Directiva EMC (2004/108/EC).
Декларация за съответствие
Ние, фирма Grundfos, заявяваме с пълна отговорност, че
продуктите CM, за които се отнася настоящата декларация,
отговарят на следните указания на Съвета за уеднаквяване на
правните разпоредби на държавите членки на ЕС:
– Директива за машините (2006/42/EC).
Приложени стандарти: EN 809: 2008 и EN 60204-1: 2006.
– Директива за нисковолтови системи (2006/95/EC).
Приложим за помпи с номинална мощност по-малка
от 2,2 kW.
Приложени стандарти: EN 60335-1: 2002 и EN 60335-2-51: 2003.
– Директива за електромагнитна съвместимост (2004/108/EC).
Prohlášení o shodě
My firma Grundfos prohlašujeme na svou plnou odpovědnost, že
výrobky CM, na něž se toto prohlášení vztahuje, jsou v souladu s
ustanoveními směrnice Rady pro sblížení právních předpisů členských
států Evropského společenství v oblastech:
–Směrnice pro strojní zařízení (2006/42/ES).
Použité normy: EN 809: 2008 a EN 60204-1: 2006.
–Směrnice o nízkém napětí (2006/95/EC).
Použitelné, pokud je jmenovitý výkon nižší než 2,2 kW.
Použité normy: EN 60335-1: 2002 a EN 60335-2-51: 2003.
–Směrnice pro elektromagnetickou kompatibilitu (EMC)
(2004/108/ES).
Prehlásenie o konformite
My firma Grundfos prehlasujeme na svoju plnú zodpovednost’, že
výrobky CM, na ktoré sa toto prehlásenie vzt’ahuje, sú v súlade s
ustanovením smernice Rady pre zblíženie právnych predpisov
členských štátov Európskeho spoločenstva v oblastiach:
– Smernica pre strojové zariadenie (2006/42/EC).
Použité normy: EN 809: 2008 a EN 60204-1: 2006.
– Smernica pre nízkonapät’ové aplikácie (2006/95/EC).
Môže sa používat’ v prípade, ak menovitý výkon je nižší než 2,2 kW.
Použité normy: EN 60335-1: 2002 a EN 60335-2-51: 2003.
– Smernica pre elektromagnetickú kompatibilitu (2004/108/EC).
Uygunluk Bildirgesi
Grundfos olarak bu beyannameye konu olan CM ürünlerinin, AB Üyesi
Ülkelerin kanunlarını birbirine yaklaştırma üzerine Konsey Direktifleriyle
uyumlu olduğunun yalnızca bizim sorumluluğumuz altında olduğunu
beyan ederiz:
– Makineler Yönetmeliği (2006/42/EC).
Kullanılan standartlar: EN 809: 2008 ve EN 60204-1: 2006.
–Düşük Voltaj Yönetmeliği (2006/95/EC).
Hesaplanmış güç 2,2 kW'tan düşükse uygulanabilir.
Kullanılan standartlar: EN 60335-1: 2002 ve EN 60335-2-51: 2003.
– EMC Diretifi (2004/108/EC).
Vastavusdeklaratsioon
Meie, Grundfos, deklareerime enda ainuvastutusel, et tooted CM, mille
kohta käesolev juhend käib, on vastavuses EÜ Nõukogu direktiividega
EMÜ liikmesriikide seaduste ühitamise kohta, mis käsitlevad:
– Masinate ohutus (2006/42/EC).
Kasutatud standardid: EN 809: 2008 ja EN 60204-1: 2006.
– Madalpinge direktiiv (2006/95/EC).
Rakendatav kui võimsus on vähem kui 2,2 kW.
Kasutatud standardid: EN 60335-1: 2002 ja EN 60335-2-51: 2003.
– Elektromagnetiline ühilduvus (EMC dirktiiv) (2004/108/EC).
Atitikties deklaracija
Mes, Grundfos, su visa atsakomybe pareiškiame, kad gaminiai CM,
kuriems skirta ši deklaracija, atitinka šias Tarybos Direktyvas dėl
Europos Ekonominės Bendrijos šalių narių įstatymų suderinimo:
–Mašinų direktyva (2006/42/EB).
Taikomi standartai: EN 809: 2008 ir EN 60204-1: 2006.
–Žemų įtampų direktyva (2006/95/EB).
Galioja, kai nominali galia yra mažesnė kaip 2,2 kW.
Taikomi standartai: EN 60335-1: 2002 ir EN 60335-2-51: 2003.
– EMS direktyva (2004/108/EB).
4
Paziņojums par atbilstību prasībām
Sabiedrība GRUNDFOS ar pilnu atbildību dara zināmu, ka produkti CM,
uz kuriem attiecas šis paziņojums, atbilst šādām Padomes direktīvām
par tuvināšanos EK dalībvalstu likumdošanas normām:
–Mašīnbūves direktīva (2006/42/EK).
Piemērotie standarti: EN 809: 2008 un EN 60204-1: 2006.
– Zema sprieguma direktīva (2006/95/EK).
Piemērojama, ja nominālā jauda ir mazāka par 2,2 kW.
Piemērotie standarti: EN 60335-1: 2002 un EN 60335-2-51: 2003.
–Elektromagnētiskās saderības direktīva (2004/108/EK).
Свідчення про відповідність вимогам
Компанія Grundfos заявляє про свою виключну відповідальність за
те, що продукти CM, на які поширюється дана декларація,
відповідають таким рекомендаціям Ради з уніфікації правових норм
країн - членів ЕС:
– Механічні прилади (2006/42/ЕС).
Стандарти, що застосовувалися: EN 809: 2008 та EN 60204-1:
2006.
– Низька напруга (2006/95/EC).
Може застосовуватися при потужності до 2,2 кВт.
Стандарти, що застосовувалися: EN 60335-1: 2002 та
EN 60335-2-51: 2003.
– Електромагнітна
сумісність (2004/108/EC).
产品合格声明书
我们格兰富在我们的全权责任下声明，产品 CM，即该合格证所指之产
品，符合欧共体使其成员国法律趋于一致的以下欧共理事会指令：
– 机械设备指令 (2006/42/EC)。
所用标准 : EN 809: 2008 和 EN 60204-1: 2006。
– 低电压指令 （2006/95/EC），适用于额定功率小于 2,2kW。 .
所用标准 : EN 60335-1: 2002 和 EN 60335-2-51: 2003。
– 电磁兼容性指令 (2004/108/EC)。
適合宣言
Grundfos は、 その責任の下に、 CM 製品が EC 加盟諸国の法規に関連す
る、 以下の評議会指令に適合 し てい る こ と を宣言 し ます ：
– 機械指令 （2006/42/EC）。
適用規格 ： EN 809: 2008 お よび EN 60204-1: 2006。
– 低電圧指令 （2006/95/EC）。 定格出力 2.2 kW 以下に適用 さ れます。
適用規格 ： EN 60335-1: 2002 お よび EN 60335-2-51: 2003。
– EMC 指令 （2004/108/EC）。
적합성 선언
Grundfos 에서는 자사의 단독 책임에 따라 이 선언과 관련된 CM 제품이
EC 회원국 법률에 기반한 다음 이사회 지침을 준수함을 선언합니다 :
– 기계류 지침 (2006/42/EC).
사용된 표준 : EN 809: 2008 및 EN 60204-1: 2006.
– 저전압 기기 지침 (2006/95/EC). 2.2 kW 이하에 적용됨 .
사용된 표준 : EN 60335-1: 2002 및 EN 60335-2-51: 2003.
– EMC 지침 (2004/108/EC).
Bjerringbro, 26th August 2008
Jan Strandgaard
Technical Director
5
CM
Installation and operating instructions 6
Montage- und Betriebsanleitung 14
Notice d'installation et d'entretien 24
Istruzioni di installazione e funzionamento 32
Instrucciones de instalación y funcionamiento 41
Instruções de instalação e funcionamento 50
Οδηγίες εγκατάστασης και λειτουργίας 58
Installatie- en bedieningsinstructies 67
Monterings- och driftsinstruktion 76
Asennus- ja käyttöohjeet 84
Monterings- og driftsinstruktion 93
Instrukcja montażu i eksploatacji 101
Руководство по монтажу и эксплуатации 110
Szerelési és üzemeltetési utasítás 122
Navodila za montažo in obratovanje 131
Montažne i pogonske upute 141
Uputstvo za instalaciju i rad 151
Instrucţiuni de instalare şi utilizare 161
Упътване за монтаж и експлоатация 170
Montážní a provozní návod 180
Návod na montáž a prevádzku 190
Montaj ve kullanım kılavuzu 199
Paigaldus- ja kasutusjuhend 210
Įrengimo ir naudojimo instrukcija 218
Uzstādīšanas un ekspluatācijas instrukcija 227
Інструкції з монтажу та експлуатації 236
安装和使用说明书
246
据付・ 運転・ 保守に関する取扱説明書
254
설치 및 작동 지침
262
6
Original installation and operating instructions.
CONTENTS
Page
1. Introduction 6
2. Symbols used in this document 6
3. Delivery and handling 6
4. Applications 6
5. Identification 7
5.1 Nameplates 7
6. Mechanical installation 7
6.1 Installation of pump 7
6.2 Pipework 8
6.3 Alternative connection positions 8
6.4 Terminal box positions 8
7. Electrical installation 8
7.1 Supply cable 8
7.2 Motor protection 8
7.3 Electrical connection 9
7.4 Frequency converter operation 9
8. Start-up 9
8.1 Liquid filling 9
8.2 Checking the direction of rotation 9
9. Maintenance 10
9.1 Frost protection 10
9.2 Cleaning 10
10. Service 10
11. Technical data 10
11.1 Enclosure class 10
11.2 Sound pressure level 10
11.3 Ambient temperature 10
11.4 Maximum system pressure and
permissible liquid temperature 11
11.5 Minimum inlet pressure 11
11.6 Maximum inlet pressure 11
12. Fault finding 12
13. Further product documentation 13
13.1 Service documentation 13
14. Disposal 13
1. Introduction
This manual describes the installation and operation
of Grundfos CM pumps.
2. Symbols used in this document
3. Delivery and handling
Grundfos CM pumps are delivered from factory in a
packaging specially designed for manual transport or
transport by fork-lift truck or a similar vehicle.
4. Applications
CM pumps are horizontal, multistage centrifugal
pumps for the pumping of clean, thin and non-
explosive liquids, not containing solid particles or
fibres that may attack the pump mechanically or
chemically.
Warning
Prior to installation, read these
installation and operating instructions.
Installation and operation must comply
with local regulations and accepted
codes of good practice.
Warning
The use 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.
Warning
If these safety instructions are not
observed, it may result in personal
injury!
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.
Note
In order to ensure safe transport,
Grundfos recommends to transport the
pumps with suitable lifting tools.
Warning
The pump must not be used for the
transfer of flammable or toxic liquids.
7
5. Identification
5.1 Nameplates
The pump and motor nameplates are positioned on
the motor fan cover or terminal box.
The data and information on the pump nameplate
are described in the table below. See the nameplate
in fig. A on page 270.
The data and information on the motor nameplate
are described in the table below. See the nameplate
in fig. B on page 270.
6. Mechanical installation
Before installing the pump, check that the pump type
and parts are as ordered.
6.1 Installation of pump
The pump must be installed on a plane surface and
fixed so that it cannot be displaced during start-up
and operation.
The pump must be installed so that air locks are
avoided in the pump housing and pipework. Figure 1
shows the permissible pump positions.
Fig. 1 Pump positions
The pump should be installed with easy access for
inspection, maintenance and service.
The pump should be installed in a well-ventilated
location.
Pos. Description
1 Pump type
2 Pump model
3
Environmental rating for enclosures
based on NEMA type designations
4 Enclosure class
5
Maximum ambient temperature
[°C] / [°F]
6
Maximum system pressure
[bar] / [psi] / [MPa]
7
Maximum liquid temperature
[°C] / [°F]
8 Insulation class
9 Motor protection
10 Rated flow [m
3
/h] / [GPM]
11 Head at rated flow [m] / [psi]
12 Maximum head [m] / [psi]
Pos. Description
1 Number of phases
2 Voltage [V]
3 Maximum current [A]
4 Rated current [A]
5 Power output [kW] / [HP]
6
Single-phase pumps only:
Capacitor size [μF] and voltage [V]
TM03 8773 3409
Floor
Up
8
6.2 Pipework
It is advisable to fit isolating valves on either side of
the pump. It is thus not necessary to drain the
system if the pump needs service. If the pump is
installed above the liquid level, a non-return valve
must be fitted in the suction pipe below the liquid
level.
The pump must not be stressed by the pipework.
The pipework must be correctly sized taking due
account of the pump inlet pressure.
If the pump is installed at the lowest point of the
system, impurities and sludge may accumulate in the
pump.
Install the pipes so that air locks are avoided,
especially on the suction side of the pump.
See fig. 2.
Fig. 2 Pipework
6.2.1 Pipe connection
Fig. 3 Suction and discharge ports
Torques
6.3 Alternative connection positions
The pump is available with various connection
positions on special request. See fig. 4.
Fig. 4 Alternative connection positions
6.4 Terminal box positions
The pump is available with various terminal box
positions on special request. See fig. 5.
Fig. 5 Terminal box positions
7. Electrical installation
Check that the mains voltage and frequency
correspond to the values on the motor nameplate.
7.1 Supply cable
In order to comply with the EN 60335-1 standard,
the supply cable must as minimum be rated for an
operating temperature of +105 °C (+221 °F).
7.2 Motor protection
Single-phase motors, 1 x 115/230 V, 60 Hz, do not
incorporate motor protection and must be connected
to a motor-protective circuit breaker which can be
manually reset. Set the motor-protective circuit
breaker according to the rated current of the motor
(I
1/1
). See nameplate.
Other single-phase motors have built-in current-
and temperature-dependent motor protection in
accordance with IEC 60034-11 and require no further
motor protection. The motor protection is of the
TP 211 type, which reacts to both slow- and quick-
rising temperatures. The motor protection is
automatically reset.
TM04 0338 0608
Caution
Take care to avoid damaging the pump
when connecting the suction and
discharge pipes.
The torques in the table below must not
be exceeded.
TM04 0358 1008
Suction and discharge
ports
Torque
[Nm]
1" 50-60
1 1/4" 50-60
1 1/2" 50-60
2" 50-60
Discharge port
Suction
port
TM03 8709 1008TM04 0357 1008
Warning
The electrical connection must be
carried out in accordance with local
regulations.
Before starting work on the pump,
make sure that the electricity supply
has been switched off and that it cannot
be accidentally switched on.
9
Three-phase motors up to 3 kW must be connected
to a motor-protective circuit breaker which can be
manually reset. Set the motor-protective circuit
breaker according to the rated current of the motor
(I
1/1
). See nameplate.
Motors with power ratings of 3 kW and up have built-
in thermistors (PTC). The thermistors are designed
according to DIN 44082. The motor protection is of
the TP 211 type, which reacts to both slow- and
quick-rising temperatures.
7.3 Electrical connection
Carry out the electrical connection as shown in the
diagram inside the terminal box cover.
Fig. 6 Wiring diagram
7.4 Frequency converter operation
All three-phase motors can be connected to a
frequency converter.
Depending on the frequency converter type, this may
cause increased acoustic noise from the motor.
Furthermore, it may cause the motor to be exposed
to detrimental voltage peaks.
* MG 71- and MG 80-based motors with phase
insulation are available on request.
The above disturbances, i.e. both increased acoustic
noise and detrimental voltage peaks, can be
eliminated by fitting an LC filter between the
frequency converter and the motor.
For further information, please contact the frequency
converter supplier or Grundfos.
8. Start-up
8.1 Liquid filling
1. Close the isolating valve on the discharge side of
the pump.
2. Open the isolating valve in the suction pipe
completely before starting the pump.
3. Remove the filling plug. See fig. 7.
4. Fill the pump housing and the suction pipe
completely with liquid until a steady stream of
liquid runs out of the filling hole.
5. Fit and tighten the filling plug.
6. Slowly open the discharge isolating valve while
the pump is running. This ensures venting and
pressure build-up during start-up.
Fig. 7 Plugs in the pump sleeve
8.2 Checking the direction of rotation
The motor fan cover has an installation indicator.
See fig. 8. Based on the motor cooling air, it
indicates the direction of rotation of the motor.
Before the motor is started for the first time or if the
position of the indicator has been changed, the
indicator function should be checked, for instance by
moving the indicator field with a finger.
To determine whether the direction of rotation is
correct or wrong, compare the indication with the
table below.
* To reverse the direction of rotation, switch off the
electricity supply and interchange any two of the
incoming supply wires.
TM03 8781 1008
Caution
MG 71- and MG 80-based motors have
no phase insulation* and must
therefore be protected against voltage
peaks higher than 650 V (peak value)
between the supply terminals.
Caution
Do not start the pump until it has been
filled with liquid.
Warning
The system may be under pressure,
and the escaping liquid may be
scalding hot. Care must therefore be
taken to ensure that the liquid does not
cause personal injury or damage to
other components.
Caution
The discharge valve must be opened
immediately after start-up of the pump.
Otherwise the temperature of the
pumped liquid may become too high
and cause material damage.
TM03 8774 1008
Note
If it is difficult for the pump to build up
pressure, it may be necessary to repeat
steps 1 to 6.
Note
The description below applies to three-
phase motors only.
Indicator field Direction of rotation
Black Correct
White/reflecting Wrong*
Filling plug
Drain plug
10
Fig. 8 Installation indicator
The indicator can be placed in various positions on
the motor, but it must not be placed between the
cooling fins close to the screws holding the fan
cover.
The correct direction of rotation is also shown by
arrows on the motor fan cover.
9. Maintenance
The internal pump parts are maintenance-free. It is
important to keep the motor clean in order to ensure
adequate cooling of the motor. If the pump is
installed in dusty environments, it must be cleaned
and checked regularly. Take the enclosure class of
the motor into account when cleaning.
The motor has maintenance-free, greased-for-life
bearings.
9.1 Frost protection
Pumps which are not being used during periods of
frost should be drained to avoid damage.
Remove the filling and drain plugs. See fig. 7.
Do not refit the plugs until the pump is taken into
operation again.
9.2 Cleaning
Prior to a long period of inactivity, the pump must be
flushed with clean water to prevent corrosion and
deposits in the pump.
10. Service
Before returning the pump to Grundfos for service,
the safety declaration at the end of these
instructions must be filled in by authorised personnel
and attached to the pump in a visible position.
If Grundfos is requested to service the pump, it must
be ensured that the pump is free from substances
that can be injurious to health or toxic. If the pump
has been used for such substances, the pump must
be cleaned before it is returned.
If proper cleaning is not possible, all relevant
information about the chemical must be provided.
If the above is not fulfilled, Grundfos can refuse to
accept the pump for service.
Possible costs of returning the pump are paid by the
customer.
The safety declaration can be found at the end of these
instructions (only in English).
11. Technical data
11.1 Enclosure class
• Standard: IP55.
11.2 Sound pressure level
The sound pressure level of the pumps is lower than
70 dB(A).
11.3 Ambient temperature
* Note: Only the stainless-steel variant (EN 1.4301/
AISI 304) is suitable for pumping liquids with
temperatures above +90 °C (194 °F).
TM04 0360 1008
Warning
Before starting work on the pump,
make sure that the electricity supply
has been switched off and that it cannot
be accidentally switched on.
Caution
Before start-up after a period of
inactivity, the pump and the suction
pipe should be completely filled with
liquid. See section 8.1 Liquid filling.
Indicator field
Caution
If a pump has been used for a liquid
which is injurious to health or toxic,
the pump will be classified as
contaminated.
Maximum ambient
temperature
Liquid temperature
+55 °C (131 °F) +90 °C (194 °F)
+50 °C (122 °F) +100 °C (212 °F)*
+45 °C (113 °F) +110 °C (230 °F)*
+40 °C (104 °F) +120 °C (248 °F)*
11
11.4 Maximum system pressure and permissible liquid temperature
* At liquid temperatures below 0 °C (32 °F), higher motor outputs may be needed due to increased viscosity,
for instance if glycol has been added to the water.
** 120 °C applies only if the pump has an AQQE shaft seal.
*** CM pumps for pumping liquids at temperatures below –20 °C are available on request. Please contact
Grundfos.
11.5 Minimum inlet pressure
The minimum inlet pressure "H" in metres head
required during operation to avoid cavitation in the
pump can be calculated from the following formula:
H = p
b
x 10.2 – NPSH – H
f
– H
v
– H
s
p
b
= Barometric pressure in bar.
(Barometric pressure can be set to 1 bar.)
In closed systems, p
b
indicates the
system pressure in bar.
NPSH = Net Positive Suction Head in metres head
(to be read from the NPSH curves on
pages 270 to 273 at the highest flow the
pump will be delivering).
H
f
= Friction loss in suction pipe in metres
head.
H
v
= Vapour pressure in metres head, see
fig. I, page 274.
t
m
= liquid temperature.
H
s
= Safety margin = min. 0.5 metres head.
If the calculated value of "H" is positive, the pump
can operate with a maximum suction lift of "H"
metres.
If the calculated value of "H" is negative, a minimum
suction head of "H" metres is required during
operation to avoid cavitation.
Example
p
b
= 1 bar.
Pump type: CM 3, 50 Hz.
Flow rate: 4 m
3
/h.
NPSH (from fig. D, page 271): 3.3 metres head.
H
f
= 3.0 metres head.
Liquid temperature: 90 °C.
H
v
(from fig. I, page 274): 7.2 metres head.
H = p
b
x 10.2 – NPSH – H
f
– H
v
– H
s
[metres head].
H = 1 x 10.2 – 3.0 – 3.3 – 7.2 – 0.5 = –3.8 metres
head.
This means that a suction head of 3.8 metres is
required during operation.
Pressure calculated in bar: 3.8 x 0.0981 = 0.37 bar.
Pressure calculated in kPa: 3.8 x 9.81 = 37.3 kPa.
11.6 Maximum inlet pressure
The actual inlet pressure plus the pressure when the
pump is operating against a closed valve should
always be lower than the maximum system pressure.
Material variant Shaft seal Permissible liquid temperature*
Maximum system
pressure
Cast iron
(EN-GJL-200)
AVBx
–20 °C to +40 °C
+41 °C to +90 °C
(–4 °F to 104 °F)
(105.8 °F to 194 °F)
10 bar
6 bar
(145 psi)
(87 psi)
AQQx –20 °C to +90 °C (–4 °F to 194 °F) 10 bar (145 psi)
Stainless steel
(EN 1.4301/AISI 304)
AVBx
–20 °C to +40 °C
+41 °C to +90 °C
(–4 °F to 104 °F)
(105.8 °F to 194 °F)
10 bar
6 bar
(145 psi)
(87 psi)
AQQx
–20 °C*** to +90 °C
+91 °C to +120 °C**
(–4 °F to 194 °F)
(195.8 °F to 248 °F)
16 bar
10 bar
(232 psi)
(145 psi)
Stainless steel
(EN 1.4401/AISI 316)
AVBx
–20 °C to +40 °C
+41 °C to +90 °C
(–4 °F to 104 °F)
(105.8 °F to 194 °F)
10 bar
6 bar
(145 psi)
(87 psi)
AQQx
–20 °C*** to +90 °C
+91 °C to +120 °C**
(–4 °F to 194 °F)
(195.8 °F to 248 °F)
16 bar
10 bar
(232 psi)
(145 psi)
12
12. Fault finding
Warning
Before removing the terminal box cover, make sure that the electricity supply has been
switched off.
The pumped liquid may be scalding hot and under high pressure. Before any removal or
dismantling of the pump, the system must therefore be drained, or the isolating valves on
either side of the pump must be closed.
Fault Cause Remedy
1. The pump does not run. a) Supply failure. Switch on the switch.
Check cables and cable connections
for defects and loose connections.
b) Fuses are blown. Check cables and cable connections
for defects, and replace the fuses.
c) Motor protection tripped. See 2. a), b), c), d), e), f).
d) Control-current circuit
defective.
Repair or replace the control-current
circuit.
2. Motor-protective circuit
breaker has tripped
(trips out immediately when
supply is switched on).
a) Fuses are blown. See 1. b).
b) Contacts of the motor-
protective circuit breaker or
magnet coil defective.
Replace the contacts of the motor-
protective circuit breaker, the magnet
coil or the entire motor-protective
circuit breaker.
c) Cable connection is loose or
faulty.
Check cables and cable connections
for defects, and replace the fuses.
d) Motor winding is defective. Repair or replace the motor.
e) The pump is mechanically
blocked.
Switch off the electricity supply, and
clean or repair the pump.
f) The setting of the motor-
protective circuit breaker is too
low.
Set the motor-protective circuit
breaker according to the rated
current of the motor (I
1/1
).
See nameplate.
3. The motor-protective circuit
breaker trips out
occasionally.
a) The setting of the motor-
protective circuit breaker is too
low.
See 2. f).
b) Periodic supply failure. See 2. c).
c) Periodically low voltage. Check cables and cable connections
for defects and loose connections.
Check that the supply cable of the
pump is correctly sized.
4. The motor-protective circuit
breaker has not tripped out,
but the pump is inadvertently
out of operation.
a) See 1. a), b), d) and 2. e).
5. The pump performance is
unstable.
a) Pump inlet pressure too low. Check the inlet conditions of the
pump.
b) Suction pipe is partly blocked
by impurities.
Remove and clean the suction pipe.
c) Leakage in suction pipe. Remove and repair the suction pipe.
d) Air in suction pipe or pump. Vent the suction pipe/pump.
Check the inlet conditions of the
pump.
13
13. Further product documentation
13.1 Service documentation
Service documentation is available on
www.grundfos.com > International website >
WebCAPS > Service.
If you have any questions, please contact the
nearest Grundfos company or service workshop.
14. Disposal
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
6. The pump runs, but gives no
water.
a) Pump inlet pressure too low. See 5. a).
b) The suction pipe is partly
clogged by impurities.
See 5. b).
c) The foot or non-return valve is
stuck in its closed position.
Remove and clean, repair or replace
the valve.
d) Leakage in suction pipe. See 5. c).
e) Air in suction pipe or pump. See 5. d).
7. The pump runs backwards
when switched off.
a) Leakage in suction pipe. See 5. c).
b) Foot or non-return valve
defective.
See 6. c).
c) The foot valve is stuck in
completely or partly open
position.
See 6. c).
8. The pump runs with reduced
performance.
a) Wrong direction of rotation. Three-phase pumps only:
Switch off the electricity supply with
the external circuit breaker, and
interchange two phases in the pump
terminal box. See also section
8.2 Checking the direction of
rotation.
b) See 5. a), b), c), d).
Fault Cause Remedy
Subject to alterations.
270
Fig. A Nameplate for pump
Fig. B Nameplate for motor
Fig. C NPSH curve for CM 1
TM04 0355 4908
Model
IP
T
Type
P
max
T
liq,max
bar
MPa
PSI
Q
nom
H
nom
H
max
m³/h GPM
Env
m
m
PSI
PSI
Q
nom
H
nom
H
max
m³/h GPM
m
m
PSI
PSI
°C
°F
50 Hz
95120839
60 Hz
3
4
5
5
6
7
7
8
9
10 10
11 11
12 12
6
6
1
10
11
12
10
11
12
2
Amb
°C
°F
Insulation class
TM04 0356 0908
I
max
~/V
/A
/A
uF/V
kW
95120836
I
1/1
P
2
I
max
~/V
/A
/
A
I
1/1
P
2
Capacitor
HP kW HP
uF / V
Capacitor
50 Hz 60 Hz
112
3
4
5
2
3
4
5
2
3
4
5
2
3
4
5
6 6
TM04 0458 0309
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8Q [m³/h]
0
1
2
3
4
5
6
7
[m]
NPSH
CM 1
60 Hz
50 Hz
271
Fig. D NPSH curves for CM 3
NPSH
Fig. E NPSH curves for CM 5
TM04 0459 0309
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Q [m³/h]
0
1
2
3
4
5
6
7
8
[m]
NPSH
CM 3
60 Hz
50 Hz
TM04 0460 0309
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 Q [m³/h]
0
1
2
3
4
5
6
7
8
9
[m]
NPSH
CM 5
60 Hz
50 Hz
272
Fig. F NPSH curves for CM 10
Fig. G NPSH curves for CM 15
TM04 0461 0309
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Q [m³/h]
0
2
4
6
8
10
12
14
16
[m]
NPSH
CM 10
60 Hz
50 Hz
TM04 0462 0309
0 2 4 6 8 10 12 14 16 18 20 22 24 26 Q [m³/h]
0
2
4
6
8
10
12
14
[m]
NPSH
CM 15
60 Hz
50 Hz
273
Fig. H NPSH curves for CM 25
TM04 0463 0309
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 Q [m³/h]
0
2
4
6
8
10
12
14
16
18
20
[m]
NPSH
CM 25
60 Hz
50 Hz
274
Fig. I Vapour pressure
TM00 3037 0800
20
15
12
10
8,0
6,0
5,0
4,0
3,0
2,0
1,0
0,8
0,6
0,4
0,3
0,2
0,1
1,5
120
110
90
100
80
70
60
50
40
30
20
10
0
Hv
(m)
tm
(°C)
150
130
140
25
35
45
40
30
275
276
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