Grundfos Hydro Multi-S Installation And Operating Instructions Manual

GRUNDFOS INSTRUCTIONS

Hydro Multi-S

Installation and operating instructions

Declaration of Conformity

We, Grundfos, declare under our sole responsibility that the products
Hydro Multi-S, 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: 1998 and EN 60204-1: 2006.

— Low Voltage Directive (2006/95/EC).

Standard used: EN 60439-1: 2002.

— EMC Directive (2004/108/EC).

Standards used: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 and EN 61000-6-4: 2007.

Konformitätserklärung

Wir, Grundfos, erklären in alleiniger Verantwortung, dass die Produkte
Hydro Multi-S, 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: 1998 und
EN 60204-1: 2006.

— Niederspannungsrichtlinie (2006/95/EG).

Norm, die verwendet wurde: EN 60439-1: 2002.

— EMV-Richtlinie (2004/108/EG).

Normen, die verwendet wurden: EN 61000-6-1: 2007,
EN 61000-6-2: 2005, EN 61000-6-3: 2007 und EN 61000-6-4: 2007.

Déclaration de Conformité

Nous, Grundfos, déclarons sous notre seule responsabilité, que les
produits Hydro Multi-S, 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 utilisées : EN 809 : 1998 et EN 60204-1 : 2006.

— Directive Basse Tension (2006/95/CE).

Norme utilisée : EN 60439-1 : 2002.

— Directive Compatibilité Electromagnétique CEM (2004/108/CE).

Normes utilisées : EN 61000-6-1 : 2007, EN 61000-6-2 : 2005,
EN 61000-6-3 : 2007 et EN 61000-6-4 : 2007.

Declaração de Conformidade

A Grundfos declara sob sua única responsabilidade que os produtos Hydro
Multi-S, 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: 1998 e EN 60204-1: 2006.

— Directiva Baixa Tensão (2006/95/CE).

Norma utilizada: EN 60439-1: 2002.

— Directiva EMC (compatibilidade electromagnética) (2004/108/CE).

Normas utilizadas: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 e EN 61000-6-4: 2007.

Overeenkomstigheidsverklaring

Wij, Grundfos, verklaren geheel onder eigen verantwoordelijkheid dat de
producten Hydro Multi-S 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: 1998 en EN 60204-1: 2006.

— Laagspannings Richtlijn (2006/95/EC).

Gebruikte norm: EN 60439-1: 2002.

— EMC Richtlijn (2004/108/EC).

Gebruikte normen: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 en EN 61000-6-4: 2007.

Declaración de Conformidad

Nosotros, Grundfos, declaramos bajo nuestra entera responsabilidad que
los productos Hydro Multi-S, 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: 1998 y EN 60204-1: 2006.

— Directiva de Baja Tensión (2006/95/CE).

Norma aplicada: EN 60439-1: 2002.

— Directiva EMC (2004/108/CE).

Normas aplicadas: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 y EN 61000-6-4: 2007.

Δήλωση Συμμόρφωσης

Εμείς, η Grundfos, δηλώνουμε με αποκλειστικά δική μας ευθύνη ότι
τα προϊόντα Hydro Multi-S 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: 1998 και

EN 60204-1: 2006.

— Οδηγία χαμηλής τάσης (2006/95/EC).

Πρότυπο που χρησιμοποιήθηκε: EN 60439-1: 2002.

— Οδηγία Ηλεκτρομαγνητικής Συμβατότητας (EMC) (2004/108/EC).

που χρησιμοποιήθηκαν: EN 61000-6-1: 2007,

Πρότυπα
EN 61000-6-2: 2005, EN 61000-6-3: 2007 και EN 61000-6-4: 2007.

Försäkran om överensstämmelse

Vi, Grundfos, försäkrar under ansvar att produkterna Hydro Multi-S, 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: 1998 och EN 60204-1: 2006.

— Lågspänningsdirektivet (2006/95/EG).

Tillämpad standard: EN 60439-1: 2002.

— EMC-direktivet (2004/108/EG).

Tillämpade standarder: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 och EN 61000-6-4: 2007.

Vaatimustenmukaisuusvakuutus

Me, Grundfos, vakuutamme omalla vastuullamme, että tuotteet
Hydro Multi-S, 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: 1998 ja EN 60204-1: 2006.

— Pienjännitedirektiivi (2006/95/EY).

Sovellettu standardi: EN 60439-1: 2002.

— EMC-direktiivi (2004/108/EY).

Sovellettavat standardit: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 ja EN 61000-6-4: 2007.

Deklaracja zgodności

My, Grundfos, oświadczamy z pełną odpowiedzialnością, że nasze wyroby
Hydro Multi-S, 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: 1998 oraz EN 60204-1: 2006.

— Dyrektywa Niskonapięciowa (LVD) (2006/95/WE).

Zastosowana norma: EN 60439-1: 2002.

— Dyrektywa EMC (2004/108/WE).

Zastosowane normy: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 oraz EN 61000-6-4: 2007.

2

Overensstemmelseserklæring

Vi, Grundfos, erklærer under ansvar at produkterne Hydro Multi-S
som denne erklæring omhandler, er i overensstemmelse med disse
af Rådets direktiver om indbyrdes tilnærmelse til EF-medlemsstaternes
lovgivning:

— Maskindirektivet (2006/42/EF).

Anvendte standarder: EN 809: 1998 og EN 60204-1: 2006.

— Lavspændingsdirektivet (2006/95/EF).

Anvendt standard: EN 60439-1: 2002.

— EMC-direktivet (2004/108/EF).

Anvendte standarder: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 og EN 61000-6-4: 2007.

Декларация о соответствии

Мы, компания Grundfos, со всей ответственностью заявляем, что
изделия Hydro Multi-S, 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: 1998 и EN 60204-1: 2006.

— Низковольтное оборудование (2006/95/EC).

Применявшийся стандарт: EN 60439-1: 2002.

— Электромагнитная совместимость (2004/108/EC).

Применявшиеся стандарты: EN 61000-6-1: 2007, EN 61000-6-2:
2005, EN 61000-6-3: 2007 и EN 61000-6-4: 2007.

Megfelelőségi nyilatkozat

Mi, a Grundfos, egyedüli felelősséggel kijelentjük, hogy a Hydro Multi-S
termékek, amelyekre jelen nyilatkozik vonatkozik, megfelelnek az Európai
Unió tagállamainak jogi irányelveit összehangoló tanács alábbi
előírásainak:

— Gépek (2006/42/EK).

Alkalmazott szabványok: EN 809: 1998 és EN 60204-1: 2006.

— Kisfeszültségű Direktíva (2006/95/EK).

Alkalmazott szabvány: EN 60439-1: 2002.

— EMC Direktíva (2004/108/EK).

Alkalmazott szabványok: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 és EN 61000-6-4: 2007.

Izjava o skladnosti

V Grundfosu s polno odgovornostjo izjavljamo, da so naši izdelki
Hydro Multi-S, 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: 1998 in EN 60204-1: 2006.

— Direktiva o nizki napetosti (2006/95/ES).

Uporabljena norma: EN 60439-1: 2002.

— Direktiva o elektromagnetni združljivosti (EMC) (2004/108/ES).

Uporabljeni normi: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 in EN 61000-6-4: 2007.

Izjava o usklađenosti

Mi, Grundfos, izjavljujemo pod vlastitom odgovornošću da je proizvod
Hydro Multi-S, 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: 1998 i EN 60204-1: 2006.

— Direktiva za niski napon (2006/95/EZ).

Korištena norma: EN 60439-1: 2002.

— Direktiva za elektromagnetsku kompatibilnost (2004/108/EZ).

Korištene norme: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 i EN 61000-6-4: 2007.

Declaraţie de Conformitate

Noi, Grundfos, declarăm pe propria răspundere că produsele
Hydro Multi-S, la care se referă această declaraţie, sunt în conformitate
cu aceste Directive de Consiliu asupra armonizării legilor Statelor Membre
CE:

— Directiva Utilaje (2006/42/CE).

Standarde utilizate: EN 809: 1998 şi EN 60204-1: 2006.

— Directiva Tensiune Joasă (2006/95/CE).

Standard utilizat: EN 60439-1: 2002.

— Directiva EMC (2004/108/CE).

Standarde utilizate: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 şi EN 61000-6-4: 2007.

Prohlášení o shodě

My firma Grundfos prohlašujeme na svou plnou odpovědnost, že výrobky
Hydro Multi-S, 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: 1998 a EN 60204-1: 2006.

—Směrnice pro nízkonapět’ové aplikace (2006/95/ES).

Použitá norma: EN 60439-1: 2002.

—Směrnice pro elektromagnetickou kompatibilitu (EMC)

(2004/108/ES).
Použité normy: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 a EN 61000-6-4: 2007.

Deklaracija o konformitetu

Mi, Grundfos, izjavljujemo pod vlastitom odgovornošću da je proizvod
Hydro Multi-S, 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: 1998 i EN 60204-1: 2006.

— Direktiva niskog napona (2006/95/EC).

Korišćen standard: EN 60439-1: 2002.

— EMC direktiva (2004/108/EC).

Korišćeni standardi: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 i EN 61000-6-4: 2007.

Декларация за съответствие

Ние, фирма Grundfos, заявяваме с пълна отговорност, че продуктите
Hydro Multi-S, 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: 1998 и EN 60204-1: 2006.

— Директива за нисковолтови системи (2006/95/EC).

Приложен стандарт: EN 60439-1: 2002.

— Директива за електромагнитна съвместимост (2004/108/EC).

Приложени стандарти: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 и EN 61000-6-4: 2007.

Prehlásenie o konformite

My firma Grundfos prehlasujeme na svoju plnú zodpovednost’, že výrobky
Hydro Multi-S, 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: 1998 a EN 60204-1: 2006.

— Smernica pre nízkonapät’ové aplikácie (2006/95/EC).

Použitá norma: EN 60439-1: 2002.

— Smernica pre elektromagnetickú kompatibilitu (2004/108/EC).

Použité normy: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 a EN 61000-6-4: 2007.

Uygunluk Bildirgesi

Grundfos olarak bu beyannameye konu olan Hydro Multi-S 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: 1998 ve EN 60204-1: 2006.

—Düşük Voltaj Yönetmeliği (2006/95/EC).

Kullanılan standart: EN 60439-1: 2002.

— EMC Diretifi (2004/108/EC).

Kullanılan standartlar: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 ve EN 61000-6-4: 2007.

Atitikties deklaracija

Mes, Grundfos, su visa atsakomybe pareiškiame, kad gaminiai
Hydro Multi-S, 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: 1998 ir EN 60204-1: 2006.

—Žemų įtampų direktyva (2006/95/EB).

Taikomas standartas: EN 60439-1: 2002.

— EMS direktyva (2004/108/EB).

Taikomi standartai: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 ir EN 61000-6-4: 2007.

Vastavusdeklaratsioon

Meie, Grundfos, deklareerime enda ainuvastutusel, et tooted
Hydro Multi-S, 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: 1998 ja EN 60204-1: 2006.

— Madalpinge direktiiv (2006/95/EC).

Kasutatud standard: EN 60439-1: 2002.

— Elektromagnetiline ühilduvus (EMC direktiiv) (2004/108/EC).

Kasutatud standardid: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 ja EN 61000-6-4: 2007.

Paziņojums par atbilstību prasībām

Sabiedrība GRUNDFOS ar pilnu atbildību dara zināmu, ka produkti
Hydro Multi-S, uz kuriem attiecas šis paziņojums, atbilst šādām Padomes
direktīvām par tuvināšanos EK dalībvalstu likumdošanas normām:

—Mašīnbūves direktīva (2006/42/EK).

Piemērotie standarti: EN 809: 1998 un EN 60204-1: 2006.

— Zema sprieguma direktīva (2006/95/EK).

Piemērotais standarts: EN 60439-1: 2002.

— Elektromagnētiskās saderības direktīva (2004/108/EK).

Piemērotie standarti: EN 61000-6-1: 2007, EN 61000-6-2: 2005,
EN 61000-6-3: 2007 un EN 61000-6-4: 2007.

3

Свідчення про відповідність вимогам

Компанія Grundfos заявляє про свою виключну відповідальність за те,
що продукти Hydro Multi-S, 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: 1998 та

EN 60204-1: 2006.

— Низька напруга (2006/95/EC).

Стандарти, що застосовувалися: EN 60439-1: 2002.

— Електромагнітна сумісність (2004/108/EC).

Стандарти, що застосовувалися: EN 61000-6-1: 2007,
EN 61000-6-2: 2005, EN 61000-6-3: 2007 та EN 61000-6-4: 2007.

Bjerringbro, 25th January 2010

Technical Director

Jan Strandgaard

4

Hydro Multi-S

Installation and operating instructions 6
Montage- und Betriebsanleitung 13
Notice d'installation et d'entretien 21
Instrucciones de instalación y funcionamiento 28
Instruções de instalação e funcionamento 35

Οδηγίες εγκατάστασης και λειτουργίας 42

Installatie- en bedieningsinstructies 49
Monterings- och driftsinstruktion 56
Asennus- ja käyttöohjeet 63
Monterings- og driftsinstruktion 70
Instrukcja montażu i eksploatacji 77
Руководство по монтажу и эксплуатации 85
Szerelési és üzemeltetési utasítás 94
Navodila za montažo in obratovanje 102
Montažne i pogonske upute 110
Uputstvo za montažu i upotrebu 118
Instrucţiuni de instalare şi utilizare 126
Упътване за монтаж и експлоатация 133
Montážní a provozní návod 141
Návod na montáž a prevádzku 149
Montaj ve kullanım kılavuzu 157
Paigaldus- ja kasutusjuhend 165
Įrengimo ir naudojimo instrukcija 172
Uzstādīšanas un ekspluatācijas instrukcija 179

Інструкції з монтажу та експлуатації 186

5

Original installation and operating instructions.

Caution

Note

Note

5

6

7
8
9

10

11

3

1

2

3

4

CONTENTS

Page

1. Symbols used in this document 6

2. Scope of these instructions 6

3. Product description 6

4. Nameplate 7

5. Type key 7

6. Operating conditions 8

7. Installation 8

7.1 Mechanical installation 8

7.2 Electrical installation 9

8. Control panel 9

9. Start-up 9

10. Operating modes 9

10.1 Manual operation 9

10.2 Automatic operation 9

10.3 Dry-running protection 9

10.4 Emergency operation 10

11. Functions 10

12. Settings 10

12.1 Setting the pressure switches 10

12.2 Setting the diaphragm tank pre-charge pressure 11

13. Maintenance 11

13.1 Pump 11

13.2 Settings 11

13.3 Frost protection 11

14. Fault finding chart 12

15. Related documentation 12

16. Disposal 12

2. Scope of these instructions

These installation and operating instructions apply to Grundfos
Hydro Multi-S booster sets.

Hydro Multi-S is a range of factory-assembled booster set s, ready
for installation and operation.

3. Product description

The Grundfos Hydro Multi-S booster set is designed for pressure
boosting of clean water.

Examples:

• blocks of flats

• hotels

•schools.
Hydro Multi-S consists of two or three identical Grundfos CH or

CR pumps connected in parallel and mounted on a common base
frame, suction and discharge manifolds, isolating valves, non­return valves, pressure gauge, pressure switches and a control
cabinet. See fig. 1.

Warnin g
Prior to installation, read these installation and

operating instructions. Installation and operation
must comply with local regulations and accepted
codes of good practice.

1. Symbols used in this document

Warnin g
If these safety instructions are not observed,

it may result in personal injury!

If these safety instructions are not observed,
it may result in malfunction or damage to the
equipment!

Notes or instructions that make the job easier
and ensure safe operation.

TM03 9724 4307

Fig. 1 Hydro Multi-S booster set

Pos. Components

1 Pumps (Grundfos CH or CR)
2 Discharge manifold
3 Isolating valves
4 Base frame
5 Control cabinet
6 Pressure gauge
7 Pressure switches
8 Stand

9 Non-return valves
10 Screw caps
11 Suction manifold

A diaphragm tank must always be installed on
the discharge side of the booster set.

6

4. Nameplate

Type:

Model:

Main supply:

Q Max:

H Min:

Weight:

S pumps:

Motor size:

Made in

96763706

1

2

3

4

5

6

7

8

9

The Hydro Multi-S nameplate is placed on the stand.

Fig. 2 Hydro Multi-S nameplate

Pos. Description

1 Type designation
2 Model
3 Supply voltage
4 Maximum flow rate in m
5 Minimum head in metres
6 Weight in kg
7 Number of mains-operated pumps (S-pumps)
8 Motor power in kW
9 Country of origin

3

/h

TM03 9806 4507

5. Type key

Example Hydro Multi-S /P 2 CR 3-7 3 x 400 V 50 Hz DOL

Type range
Materials:

: all stainless steel
/G: galvanised-steel base frame and manifolds
/P: galvanised-steel base frame and AISI 304 manifolds

Number of pumps
Pump type
Supply voltage
Frequency
Starting method

DOL: direct on line

7

6. Operating conditions

Note

Note

Note

1

1

2

Data

Pump type

CH CR

Maximum flow rate Up to 42 m
Maximum operating

pressure
Liquid temperature

+5 to +40 °C
+5 to +55 °C

Ambient temperature +5 to +55 °C

3

/h Up to 69 m3/h

10 bar 10/16 bar

1)

+5 to +50 °C

2)

+5 to +40 °C
+5 to +60 °C

3)

4)

Maximum suction lift = 10.33 m – NPSH of the pump –
other suction losses – a safety margin of 0.5 m

Power range Up to 5.5 kW
Starting method Direct on line (DOL)

Supply voltage

1 x 220 V ± 10 %, 50 Hz

3 x 400 V ± 10 %, 50 Hz
Relative air humidity Max. 95 %
Enclosure class IP54

1)

Applies to CH 2 and CH 4 pumps.

2)

Applies to CH 8 and CH 12 pumps.

3)

Applies to motor sizes of 0.37 kW and up to and including

0.75 kW.

4)

Applies to motor sizes of 1.1 kW and up to and including

5.5 kW.

7. Installation

Warnin g
Installation must comply with local regulations

and accepted codes of good practice.

Before installation, check the following:

• that the booster set corresponds to order.

• that no visible parts have been damaged.

7.1 Mechanical installation

7.1.1 Location

To ensure adequate cooling of motor and electronics, the
following must be observed:

• Place the Hydro Multi-S in such a way that adequate cooling is
ensured.

• Motor cooling fins, holes in fan cover and fan blades must be
kept clean.

The Hydro Multi-S is not suitable for outdoor
installation and should be protected from
freezing and direct sunlight.

The booster set should be placed with sufficient clearance around
it for inspection and service.

7.1.2 Pipework

The pipes connected to the booster set must be o f adequ ate size.
Connect the pipes to the manifolds of the booster set. Either end

can be used.
Apply sealing compound to the unused end of the manifold, and

fit a screw cap.
To achieve optimum operation and minimise noise and vibration,

it may be necessary to install vibration dampers.
Noise and vibration are generated by the rotations in motor and

pump and by the flow in pipework and fittings.
If a booster set is installed in a block of flats or the first consumer

on the line is close to the booster set, it is advisable to fit
expansion joints on the suction and discharge pipes to prevent
vibration being transmitted through the pipework.

TM03 9713 4307

Fig. 3 Example of installation with expansion joints and pipe

supports (Grundfos standard scope of supply in grey
colour)

Pos. Description

1 Pipe support
2 Expansion joint

The diaphragm tank, expansion joints, pipe
supports and machine shoes are not supplied
with a standard booster set.

Retighten all nuts prior to start-up.
The pipes must be fastened to parts of the building to ensure that

they cannot move or be twisted.
If the pump is to be operated with a suction lift, it is mandatory to

install a foot valve of adequate size.
If the booster set is installed on a base frame with vibration

dampers, expansion joints should always be fitted on the
manifolds. This is important to prevent the booster set from
"hanging" in the pipework.

7.1.3 Foundation

The booster set should be positioned on an even and solid
surface. If the booster set is not fitted wit h machine shoes, it must
be bolted to the floor.

7.1.4 Expansion joints

The purpose of expansion joints is as follows:

• To absorb expansions/contractions in the pipework caused by
changing liquid temperature.

• To reduce mechanical strains in connection with pressure
surges in the pipework.

• To isolate mechanical structure-borne noise in the pipework
(only rubber-bellows expansion joints).

Expansion joints must not be installed to
compensate for inaccuracies in the pipework
such as centre displacement of ports.

Fit the expansion joints at a distance of minimum 1 to 1 1/2 times
the nominal port diameter from the suction and discharge
manifolds. This prevents the development of turbulence in the
expansion joints, resulting in better suction conditions and a
minimum pressure loss on the discharge side.

The pipework should be anchored so that it does not stress the
expansion joints and the pump. Follow the supplier’s instructions
and pass them on to advisers or pipe installers.

8

7.2 Electrical installation

Note

1

2

3

8

4

5

6

7

Caution

Note

Note

9. Start-up

Warnin g
The electrical connection must be carried out by

an authorised person in accordance with local
regulations and the relevant wiring diagram.

Make sure to disconnect the electricity supply
using the mains switch and lock it with a padlock
to ensure that it cannot be accidentally switched
on.

The following must be observed:

• The electrical installation of the booster set must comply with
enclosure class IP54.

• Make sure that the booster set is suitable for the electricity
supply to which it is connected.

• Make sure that the wire cross-section corresponds to the
specifications in the wiring diagram.

For the electrical connection, please refer to the
wiring diagram supplied with the booster set.

8. Control panel

The Grundfos Hydro Multi-S booster set can be controlled via the
control panel integrated in the control cabinet. See fig. 4.

Do not start the booster set until the pumps and
the suction pipe have been filled with liquid.

To start up the booster set, proceed as follows:

1. Connect water and power supplies.

2. Close the valve on the discharge side of all the pumps.

3. Prime all pumps, and make sure that the suction manifold and
the suction pipe are primed as well.

4. Check that the tank pre-charge pressure is equal to 0.9 x
cut-in pressure.

5. Switch on the electricity supply.

6. Start the first pump by pressing and holding down the button
for manual operation.

7. Check the direction of rotation of the pump.
If the direction of rotation is wrong, intercha nge two phases of
the electricity supply.

8. Vent the pump by slowly opening its discharge valve.

9. Repeat the same procedure for the other pumps.

10. Release the booster set for automatic operation by pressing
the button for automatic operation.

10. Operating modes

The operating mode of each pump can be selected with the
dedicated buttons for "Automatic operation", "Stop" and "Manual
operation" as described in section 8. Control panel.

10.1 Manual operation

Manual operation is generally used during commissioning, testing
or for maintenance and service purposes.

To enable manual operation, press and hold down the button for
manual operation.

The button for manual operation has no
permanent position. Therefore, keep the button
pressed during the test cycle.

10.2 Automatic operation

When this operating mode is selected, the pumps operate
automatically according to the system requirements, e.g. the
pressures set on the pressure switches.

• When a tap is opened, water is drawn from the diaphragm tan k

TM03 9720 4307

Fig. 4 Control panel

Pos. Description

1 LED indication for dry-running alarm
2 Pump number

LED indication for faul t status

3

(three-phase pumps only)
4 LED indication for pump running
5 Push-buttons for manual operation
6 Push-buttons for stopping the pumps
7 Push-buttons for automatic operation
8 LED indication for power on

until the tank is empty.

• When the pressure drops to the first cut-in pressure, the first
pump will start.

• If the consumption is still increasing, more pump s will be cut in
until the performance of the pumps in operation corresponds
to the requirements.

• When the water consumption decreases, the discharge
pressure rises to the first cut-out pressure and the pressure
switch cuts out and one pump is stopped.

• If the consumption is still decreasing, more pumps will be cut
out until the last pump finally fills the diaphragm tank and
stops.

10.3 Dry-running protection

The Hydro Multi-S incorporates dry-running protection to protect
the pumps from running dry. The dry-running protection is
activated by a pressure switch or a level switch connected on the
suction side and then connected to the control cabinet.

Each pressure switch is related to one pump only
and not necessarily to the same pump when the
pumps alternate after each cycle.

9

10.4 Emergency operation

Caution

A

B

Note

12. Settings

Warnin g
The terminals and the cables connected before

the mains switch will remain powered even if
the switch is in off position.

Emergency operation should only be used in
case of emergency and only for short periods
of time.

A defective circuit board should always be
replaced by a new one. Contact Grundfos for
a new circuit board.

All functions of the Hydro Multi-S are controlled by an electronic
circuit board inside the control cabinet. If the circuit board should
fail, it is possible to avoid system stops. For three-phase booster
sets, it is possible to bypass the circuit board and operate the
booster set by using the pressure switches only.

To establish emergency operation, proceed as follows:

1. Switch off the electricity supply, and open the control cabinet.

2. Remove the control connector from its original position, see
fig. 5, pos. A, and insert the connector in the emergency
position, see fig. 5, pos. B.

3. Close the control cabinet, and switch on the electricity supply.

12.1 Setting the pressure switches

Warnin g
The cut-out pressure must under no

circumstances exceed the maximum operating
pressure of the pump and tank.

Each booster set is factory-tested, and the pressure switches are
adjusted to ensure optimum performance.

During installation and commissioning, it might be necessary to
adjust the settings to optimise operation in the actual installation.
See fig. 6.

Fig. 5 Electronic circuit board

11. Functions

The Hydro Multi-S offers the following features:

• Automatic cascade control of pumps by means of two or three
pressure switches.

• Automatic pump changeover at any start/stop cycle.

• If a pump is in fault status, it is automatically taken out of
operation.

• Automatic resetting of dry-running fault status.

• Manual resetting of tripped-overload status.

• Pump and system protection:

– Short-circuit protection by means of fuses.
– Motor protection by means of a thermal overload relay.
– Dry-running protection by means of an additional pressure

switch or level switch.

– Start-up delay between two pumps: Prevents simultaneous

start-up of more than one pump.

Fig. 6 Pressure switch

12.1.1 Setting the cut-out pressure

To set the cut-out pressure (p

), proceed as follows:

cut-out

1. Turn the P1 screw clockwise to increase the cut-out pressure

TM03 9725 4407

and counter-clockwise to decrease the cut-out pressure. See
fig. 6.

2. Set the cut-out pressures with a difference of 0.3 to 0.5 bar
respectively (cascade step) on each pressure switch.

3. Start the pump, and check by reading the pressure gauge
whether the desired cut-out pressure has been obtained for
each pressure switch.

12.1.2 Setting the differential pressure

T o set the dif ferential pressure (p

), turn the P2 screw clockwise

diff.

to increase the differential pressure and counter-clockwise to
decrease the differential pressure. The cut-out pressure remains
unchanged. See fig. 6.

The differential pressure must be set to the same value on all
pressure switches.

Reducing the differential pressure to a minimum
can reduce pressure variations in the system.

12.1.3 Cut-in pressure

The cut-in pressure (p

) is automatically set when the

cut-in

differential pressure is set.
p

cut-in = pcut-out – pdiff.

To check whether the cut-in pressure is as desired, proceed as
follows:

1. Start the pump, and check by reading the pressure gauge
whether the desired cut-out and cut-in pressures have been
obtained.

2. Repeat the above setting procedures until the right cut-in and
cut-out pressures have been obtained.

TM03 9791 4407

10

12.2 Setting the diaphragm tank pre-charge pressure

When the pump cut-in pressure has been determined, the
required pre-charge pressure of the diaphragm tank can be
adjusted roughly to 90 % of the pump cut-in pressure.

Pre-charge pressure = 0.9 x p
The tank pre-charge has to be checked/adjusted when the

discharge pipe is empty.

cut-in

.

13. Maintenance

Warnin g
Before starting work on the pumps, make sure

that the electricity supply has been switched off.
Lock the mains switch with a padlock to ensure

that it cannot be accidentally switched on.

13.1 Pump

Pump bearings and shaft seals are maintenance-free.

13.2 Settings

To ensure reliable and correct operation, the pre-charge pressure
of the diaphragm tank and the setting of the pressure switches
should be checked regularly and at least once a year.

13.3 Frost protection

If the booster set is not used during periods of frost, the
manifolds, pumps and diaphragm tank should be drained to avoid
damage.

11

14. Fault finding chart

Subject to alterations.

For faults not listed in this fault finding chart, please refer to the installation and operating instructions for the pumps.

Warnin g
Before making any work on the booster set, make sure that the electricity supply has been switched off and that it

cannot be accidentally switched on.

Fault Cause Remedy

1. The Hydro Multi-S does
not run when started.

2. Pump starts, but stops
immediately afterwards.

3. Frequent starts and stops. a) Incorrect setting of pressure switch. Increase the cut-out pressure and/or differential

4. Pumps are running, but
deliver no water.

5. Pumps run backwards
when switched off.

6. Shaft seal leakage. a) Shaft seal defective. Replace the shaft seal.

7. Noise. a) The pumps are cavitating. Check the suction conditions (pump, pipe, valves

a) The actual pressure is higher than or equal to

the cut-in pressure set.

b) Electricity supply disconnected. Connect the electricity supply.
c) Automatic circuit breakers cut out. Correct the fault, and cut in the circuit breakers.
d) Motor protection activated. Contact Grundfos.
e) Circuit breaker defective. Replace the circuit breaker.
f) Pressure switch defective. Replace the pressure switch.
g) Fuse defective. Correct the fault, and replace the fuse.
h) Pump blocked. Remove the cause of the blocking.
i) Motor defective. Repair or replace the motor.
j) Electronic circuit-board failure. Replace the fuse, if defective.

a) Incorrect setting of pressure switch. Increase the cut-out pressure and/or differential

b) Wrong diaphragm tank pre-charge pressure. Check the pre-charge pressure.
c) Dry-running protection activated. Check the inlet conditions, and make sure that

b) Wrong diaphragm tank pre-charge pressure. Check the pre-charge pressure.
c) Diaphragm tank defective. Repair or replace the diaphragm tank.
a) Suction pipe/pumps blocked by impurities. Clean the suction pipe/pumps.
b) Foot or non-return valve blocked in closed

position.

c) Air in suction pipe/pumps. Vent the pumps. Check the suction pipe for

d) Motors running with wrong dire ct ion of rota tion. Change the direction of rotation (interchange two

a) Leakage in suction pipe. Repair or replace the suction pipe.
b) Foot or non-return valve is defective. Repair or replace the valve.

Wait until the pressure has dropped, or lower the
pressure on the discharge side of the Hydro Multi­S. Check that the booster set starts.

Switch to emergency operation, and replace the
electronic circuit board, if defective.

pressure.

liquid flows freely to the pumps.

pressure.

Check and repair the valve.

leakages.

phases of the electricity supply).

and the suction strainer, if any).

15. Related documentation

For further information about Hydro Multi-S, see WebCAPS on
Grundfos’ homepage, www.grundfos.com.

16. 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.

12

Argentina

Bombas GRUNDFOS de Argentina S.A.
Ruta Panamericana km. 37.500 Lote
34A
1619 - Garin
Pcia. de Buenos Aires
Phone: [phone]
Telefax: [phone]

Australia

GRUNDFOS Pumps Pty. Ltd.
P.O. Box 2040
Regency Park
South Australia 5942
Phone: [phone]
Telefax: [phone]

Austria

GRUNDFOS Pumpen Vertrieb
Ges.m.b.H.
Grundfosstraße 2
A-5082 Grödig/Salzburg
Tel.: [phone]
Telefax: [phone]

Belgium

N.V. GRUNDFOS Bellux S.A.
Boomsesteenweg 81-83
B-2630 Aartselaar
Tél.: [phone]
Télécopie: [phone]

Belorussia

Представительство ГРУНДФОС в
Минске
220123, Минск,
ул. В. Хоружей, 22, оф. 1105
Тел.: +(37517) 233 97 65,
Факс: +(37517) 233 97 69

E-mail: [e-mail]

Bosnia/Herzegovina

GRUNDFOS Sarajevo
Trg Heroja 16,
BiH-71000 Sarajevo
Phone: [phone]
Telefax: [phone]
e-mail: [e-mail]

Brazil

BOMBAS GRUNDFOS DO BRASIL
Av. Humberto de Alencar Castelo
Branco, 630
CEP 09850 - 300
São Bernardo do Campo - SP
Phone: [phone]
Telefax: [phone]

Bulgaria

GRUNDFOS Pumpen Vertrieb
Representative Office - Bulgaria
Bulgaria, 1421 Sofia
Lozenetz District
105-107 Arsenalski blvd.
Phone: [phone]
Telefax: [phone]

Canada

GRUNDFOS Canada Inc.
2941 Brighton Road
Oakville, Ontario
L6H 6C9
Phone: [phone]
Telefax: [phone]

China

GRUNDFOS Pumps (Shanghai) Co. Ltd.
51 Floor, Raffles City
No. 268 Xi Zang Road. (M)
Shanghai 200001
PRC
Phone: [phone]
Telefax: [phone]

Croatia

GRUNDFOS CROATIA d.o.o.
Cebini 37, Buzin
HR-10010 Zagreb
Phone: [phone]
Telefax: [phone]
www.grundfos.hr

Czech Republic

GRUNDFOS s.r.o.
Čajkovského 21
779 00 Olomouc
Phone: [phone]
Telefax: [phone]

Denmark

GRUNDFOS DK A/S
Martin Bachs Vej 3
DK-8850 Bjerringbro
Tlf.: [phone]
Telefax: [phone]
E-mail: [e-mail]
www.grundfos.com/DK

Estonia

GRUNDFOS Pumps Eesti OÜ
Peterburi tee 92G
11415 Tallinn
Tel: + 372 606 1690
Fax: + 372 606 1691

Finland

OY GRUNDFOS Pumput AB
Mestarintie 11
FIN-01730 Vantaa
Phone: [phone]
Telefax: [phone]

France

Pompes GRUNDFOS Distribution S.A.
Parc d’Activités de Chesnes
57, rue de Malacombe
F-38290 St. Quentin Fallavier (Lyon)
Tél.: [phone]
Télécopie: [phone]

Germany

GRUNDFOS GMBH
Schlüterstr. 33
40699 Erkrath
Tel.: [phone]
Telefax: [phone]
e-mail: [e-mail]
Service in Deutschland:
e-mail: [e-mail]

Greece

GRUNDFOS Hellas A.E.B.E.
20th km. Athinon-Markopoulou Av.
P.O . B o x 71
GR-19002 Peania
Phone: [phone]
Telefax: +0030-210-66 46 273

Hong Kong

GRUNDFOS Pumps (Hong Kong) Ltd.
Unit 1, Ground floor
Siu Wai Industrial Centre
29-33 Wing Hong Street &
68 King Lam Street, Cheung Sha Wan
Kowloon
Phone: [phone]
Telefax: [phone]

Hungary

GRUNDFOS Hungária Kft.
Park u. 8
H-2045 Törökbálint,
Phone: [phone]
Telefax: [phone]

India

GRUNDFOS Pumps India Private Lim­ited
118 Old Mahabalipuram Road
Thoraipakkam
Chennai 600 096
Phone: [phone]

Indonesia

PT GRUNDFOS Pompa
Jl. Rawa Sumur III, Blok III / CC-1
Kawasan Industri, Pulogadung
Jakarta 13930
Phone: [phone]
Telefax: [phone] / 460 6901

Ireland

GRUNDFOS (Ireland) Ltd.
Unit A, Merrywell Business Park
Ballymount Road Lower
Dublin 12
Phone: [phone]
Telefax: [phone]

Italy

GRUNDFOS Pompe Italia S.r.l.
Via Gran Sasso 4
I-20060 Truccazzano (Milano)
Tel.: [phone]
Telefax: [phone] / 95838461

Japan

GRUNDFOS Pumps K.K.
Gotanda Metalion Bldg., 5F,
5-21-15, Higashi-gotanda
Shiagawa-ku, Tokyo
141-0022 Japan
Phone: [phone]
Telefax: [phone]

Korea

GRUNDFOS Pumps Korea Ltd.
6th Floor, Aju Building 679-5
Yeoksam-dong, Kangnam-ku, 135-916
Seoul, Korea
Phone: [phone]
Telefax: [phone]

Latvia

SIA GRUNDFOS Pumps Latvia
Deglava biznesa centrs
Augusta Deglava ielā 60, LV-1035, Rīga,
Tālr.: + 371 714 9640, 7 149 641
Fakss: + 371 914 9646

Lithuania

GRUNDFOS Pumps UAB
Smolensko g. 6
LT-03201 Vilnius
Tel: + 370 52 395 430
Fax: + 370 52 395 431

Malaysia

GRUNDFOS Pumps Sdn. Bhd.
7 Jalan Peguam U1/25
Glenmarie Industrial Park
40150 Shah Alam
Selangor
Phone: [phone]
Telefax: [phone]

México

Bombas GRUNDFOS de México S.A. de
C.V.
Boulevard TLC No. 15
Parque Industrial Stiva Aeropuerto
Apodaca, N.L. 66600
Phone: [phone]
Telefax: [phone]

Netherlands

GRUNDFOS Netherlands
Veluwezoom 35
1326 AE Almere
Postbus 22015
1302 CA ALMERE
Tel.: [phone]
Telefax: [phone]
e-mail: [e-mail]

New Zealand

GRUNDFOS Pumps NZ Ltd.
17 Beatrice Tinsley Crescent
North Harbour Industrial Estate
Albany, Auckland
Phone: [phone]
Telefax: [phone]

Norway

GRUNDFOS Pumper A/S
Strømsveien 344
Postboks 235, Leirdal
N-1011 Oslo
Tlf.: [phone]
Telefax: [phone]

Poland

GRUNDFOS Pompy Sp. z o.o.
ul. Klonowa 23
Baranowo k. Poznania
PL-62-081 Przeźmierowo
Tel: [phone]
Fax: [phone]

Portugal

Bombas GRUNDFOS Portugal, S.A.
Rua Calvet de Magalhães, 241
Apartado 1079
P-2770-153 Paço de Arcos
Tel.: [phone]
Telefax: [phone]

România

GRUNDFOS Pompe România SRL
Bd. Biruintei, nr 103
Pantelimon county Ilfov
Phone: [phone]
Telefax: [phone]
E-mail: [e-mail]

Russia

ООО Грунд фо с
Росс ия, 109544 Москва, ул. Школьная

39

Тел. [phone]
Факс [phone]

E-mail
[e-mail]

Serbia

GRUNDFOS Predstavništvo Beograd
Dr. Milutina Ivkovića 2a/29
YU-11000 Beograd
Phone: [phone] / 11 26 47
496
Telefax: [phone]

Singapore

GRUNDFOS (Singapore) Pte. Ltd.
24 Tuas West Road
Jurong Town
Singapore 638381
Phone: [phone]
Telefax: [phone]

Slovenia

GRUNDFOS PUMPEN VERTRIEB
Ges.m.b.H.,
Podružnica Ljubljana
Šlandrova 8b, SI-1231 Ljubljana-Črnuče
Phone: [phone]
Telefax: [phone]
E-mail: [e-mail]

Spain

Bombas GRUNDFOS España S.A.
Camino de la Fuentecilla, s/n
E-28110 Algete (Madrid)
Tel.: [phone]
Telefax: [phone]

Sweden

GRUNDFOS AB
Box 333 (Lunnagårdsgatan 6)
431 24 Mölndal
Tel.: [phone]
Telefax: [phone]

Switzerland

GRUNDFOS Pumpen AG
Bruggacherstrasse 10
CH-8117 Fällanden/ZH
Tel.: [phone]
Telefax: [phone]

Taiwan

GRUNDFOS Pumps (Taiwan) Ltd.
7 Floor, 219 Min-Chuan Road
Tai ch ung, Taiwan, R.O.C.
Phone: [phone]
Telefax: [phone]

Thailand

GRUNDFOS (Thailand) Ltd.
92 Chaloem Phrakiat Rama 9 Road,
Dokmai, Pravej, Bangkok 10250
Phone: [phone]
Telefax: [phone]

Turkey

GRUNDFOS POMPA San. ve Tic. Ltd.
Sti.
Gebze Organize Sanayi Bölgesi
Ihsan dede Caddesi,

2. yol 200. Sokak No. 204
41490 Gebze/ Kocaeli
Phone: +90 - 262-679 7979
Telefax: +90 - 262-679 7905
E-mail: [e-mail]

Ukraine

ТОВ ГРУНДФОС УКРАЇНА
01010 Київ, Вул. Московська 8б,

Тел.:[phone]
Фах.: ([phone]

E-mail: [e-mail]

United Arab Emirates

GRUNDFOS Gulf Distribution
P.O. Box 16768
Jebel Ali Free Zone
Dubai
Phone: [phone]
Telefax: [phone]

United Kingdom

GRUNDFOS Pumps Ltd.
Grovebury Road
Leighton Buzzard/Beds. LU7 8TL
Phone: [phone]
Telefax: [phone]

U.S.A.

GRUNDFOS Pumps Corporation
17100 West 118th Terrace
Olathe, Kansas 66061
Phone: [phone]
Telefax: [phone]

Usbekistan

Представительство ГРУНДФОС в
Ташкенте
700000 Ташкент ул.Усм ана Носира 1-й
тупик 5
Телеф он : [phone]
Факс: [phone]

Addresses revised 08.03.2010

Being responsible is our foundation

Thinking ahead makes it possible

Innovation is the essence

96777573 0310

Repl. 96777573 0208

www.grundfos.com

267

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owned by Grundfos Management A/S or Grundfos A/S, Denmark. All rights reserved worldwide.