Grundfos MULTILIFT M Bedienungsanleitung

MULTILIFT

M, MD, MLD, MOG, MDG

Installation and operating instructions

GRUNDFOS INSTRUCTIONS

MULTILIFT

English (GB)

Installation and operating instructions ..................................5

Български (BG)

Упътване за монтаж и експлоатация.................................41

Čeština (CZ)

Montážní a provozní návod ........................................78

Deutsch (DE)

Montage- und Betriebsanleitung ....................................114

Dansk (DK)

Monterings- og driftsinstruktion .....................................150

Eesti (EE)

Paigaldus- ja kasutusjuhend.......................................186

Español (ES)

Instrucciones de instalación y funcionamiento...........................222

Suomi (FI)

Asennus- ja käyttöohjeet .........................................261

Français (FR)

Notice d'installation et de fonctionnement..............................297

Ελληνικά (GR)

Οδηγίες εγκατάστασης και λειτουργίας................................333

Hrvatski (HR)

Montažne i pogonske upute .......................................370

Magyar (HU)

Telepítési és üzemeltetési utasítás ..................................406

Italiano (IT)

Istruzioni di installazione e funzionamento .............................442

Lietuviškai (LT)

Įrengimo ir naudojimo instrukcija ....................................478

Latviešu (LV)

Uzstādīšanas un ekspluatācijas instrukcija .............................514

Nederlands (NL)

Installatie- en bedieningsinstructies ..................................550

Polski (PL)

Instrukcja montażu i eksploatacji....................................586

Table of contents

Português (PT)

Instruções de instalação e funcionamento .............................622

Română (RO)

Instrucţiuni de instalare şi utilizare...................................659

Srpski (RS)

Uputstvo za instalaciju i rad .......................................695

Svenska (SE)

Monterings- och driftsinstruktion ....................................731

Slovensko (SI)

Navodila za montažo in obratovanje .................................767

Slovenčina (SK)

Návod na montáž a prevádzku .....................................803

Türkçe (TR)

Montaj ve kullanım kılavuzu .......................................840

Українська (UA)

Інструкції з монтажу та експлуатації ................................876

中文 (CN)

安装和使用说明书 ..............................................913

日本語 (JP)

取扱説明書...................................................947

Appendix A..................................................982

4MULTILIFT

Table of contents

English (GB) Installation and operating instructions

Original installation and operating instructions

Table of contents

1. General information ............. 5

1.1 Hazard statements .............. 5

1.2 Notes ..................... 6

2. Product introduction ............ 6

2.1 Product description .............. 6

2.2 Construction..................11

2.3 Intended use .................13

2.4 Pumped liquids ................13

2.5 Identification..................13

3. Receiving the product............16

3.1 Transportation.................16

3.2 Inspecting the product ............16

3.3 Scope of delivery ...............16

4. Mechanical installation ...........17

4.1 Installation requirements ...........18

4.2 Installation sketches .............19

4.3 Connecting the inlet pipe, MULTILIFT M,

MD, MOG, MDG ...............22

4.4 Connecting the inlet pipe, MULTILIFT

MLD ......................23

4.5 Installing the outlet pipe, MULTILIFT M,

MD, MLD ...................23

4.6 Installing the outlet pipe connections,

MULTILIFT MOG, MDG ...........24

4.7 Further connections..............24

5. Electrical connection ............25

5.1 Connecting a level sensor ..........25

5.2 Wiring connections ..............27

6. Starting up the product ...........28

7. Setting the product .............29

7.1 Further settings ................29

7.2 Start level ...................29

7.3 Factory settings ................29

8. Servicing the product ............30

8.1 Maintenance intervals ............30

8.2 Performing a maintenance check ......30

8.3 Mechanical maintenance ...........31

8.4 Performingelectrical maintenance ......33

8.5 Contaminated lifting station or

components ..................33

9. Taking the product out of operation ....33

10. Fault finding .................34

10.1 Warning and alarm codes on the display

of the level controller .............34

10.2 The pump(s) does/do not run.........35

10.3 The sensor signal is out of range.......35

10.4 The pump(s) is/are starting/stopping too

frequently even if there is no inflow .....35

10.5 One pump starts sometimes without

visible reason .................35

11. Technical data ................36

11.1 Lifting station .................36

11.2 Collecting tank ................36

11.3 Pump .....................36

11.4 Techincal data for level controller.......36

11.5 MULTILIFT M .................37

11.6 MULTILIFT MD, MLD .............38

11.7 MULTILIFT MOG, MDG ...........39

12. Disposing of the product ..........40

13. Document quality feedback ........40

1. General information

Read this document before you install the

product. Installation and operation must

comply with local regulations and accepted

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

serious personal injury.

CAUTION

Indicates a hazardous situation which, if

not avoided, could result in minor or

moderate 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.

English (GB)

1.2 Notes

The symbols and notes below may appear in

Grundfos installation and operating instructions,

safety instructions 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,

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.

2. Product introduction

2.1 Product description

TM082539

The MULTILIFT range offers pre-assembled complete

lifting stations designed to collect and dispose of

domestic wastewater into the sewer system. The

lifting stations are supplied complete with collecting

tanks, single- or three-phase submersible pump(s),

level sensor, level controller and connection

accessories.

The following variants are available:

MULTILIFT Collecting

tank size Pump(s)

Non-

return

valve

M 93 l 1 ✔

MD 130 l 2 ✔

MLD 270 l 2 ✔

MOG 93 l 1

grinder pump -1)

MDG 93 l 2

grinder pumps -1)

1) Available as an accessory.

English (GB)

2.1.1 Pump

The pump impellers are designed as free-flow vortex

impellers ensuring almost unchanged performance

throughout the entire life of the pump. The stator

housing of the motor is made of cast iron with a 150

µm epoxy coating. The pump has a mechanical shaft

seal.

Single-phase motors are protected by a thermal

switch in the windings. MULTILIFT M, MD and MLD

run via a capacitor inside the controller cabinet.

MULTILIFT MOG and MDG run via starting and

operating capacitors inside the controller cabinet.

Three-phase motors are protected by a thermal

switch in the windings and an additional thermal

circuit breaker in the controller cabinet to cut out the

motor in case of overload.

If the phase sequence for three-phase pumps is

wrong, the controller indicates fault and prevents the

pump(s) from starting.

MULTILIFT MOG, MDG: The pump has a grinder

which grinds solid particles into small pieces so that

they can easily flow through pipes of a small

diameter.

MULTILIFT M, MD, MLD: If the

motor is overloaded, it stops

automatically. When it has cooled to

normal temperature, it restarts

automatically.

MULTILIFT MDG lifting stations have two

pumps, thus providing a standby pump in

case of pump failure or additional pump

performance if the inlet exceeds the

performance of one pump.

Always install MULTILIFT MDG lifting

stations if the wastewater flow must not be

interrupted.

Performance curves are available in the data booklet,

which you can download via the QR code or link

below:

QR98288126

http://net.grundfos.com/qr/i/98288126

2.1.2 Level sensor

The piezoresistive pressure sensor placed in the

controller is connected via a hose to a pressure tube

in the tank. The screw cap where the hose is

connected includes a connection for a DN 100 tube.

This tube, the pressure tube, extends down into the

tank. The rising liquid level compresses the air inside

the pressure tube and hose, and the piezoresistive

sensor transforms the changing pressure into an

analog signal. The control box uses the analog signal

to start and stop the pump and to indicate high-level

alarm. The pressure tube is fixed underneath the

screw cap and can be taken out for maintenance,

service and cleaning the inside of the tube. An O-ring

ensures tightness.

MULTILIFT M, MD, MLD: The hose is supplied in

lengths of 4 or 10 m.

MULTILIFT MOG, MDG: The hose is supplied in a

length of 10 m.

The hose must be connected to the controller.

TM050332

Screw cap with hose and DN 100 tube

English (GB)

2.1.3 Level controller

The level controller supplied with the lifting stations is

either LC 231 or LC 241.

See the documentation for the level controller for

further details.

Data booklet:

QR98288126

http://net.grundfos.com/qr/i/98288126

LC 231 installation and operating instructions

Single pump unit:

QR99381576

http://net.grundfos.com/qr/i/99381576

Dual pump unit:

QR99480674

http://net.grundfos.com/qr/i/99480674

LC 241 installation and operating instructions

Single pump unit:

QR99381670

http://net.grundfos.com/qr/i/99381670

Dual pump unit:

QR99480978

http://net.grundfos.com/qr/i/99480978

Related information

6. Starting up the product

7.1 Further settings

10.1 Warning and alarm codes on the display of the

level controller

11.4 Techincal data for level controller

English (GB)

2.1.4 Collecting tank

The gas-, odour- and pressure-tight collecting tank is

made of wastewater resistant polyethylene (PE) and

has all necessary ports for the connection of inlet

pipes, outlet pipe, vent pipe and a manually operated

diaphragm pump, which is available as an accessory.

MULTILIFT M, MD, MOG, MDG

The collecting tank has a turnable, eccentric disk in

the back allowing adjustment of the inlet to any height

between 180 and 315 mm above the floor. The most

common heights are marked beside the inlet.

The MULTILIFT M collecting tank offers three

horizontal inlets in the sides (2 × DN 100 and 1 × DN

50) and two vertical inlets at the top of the tank (1 ×

DN 150 and 1 × DN 50). The centres of the horizontal

inlets are 180 mm (DN 50) and 250 mm (DN 150)

above the floor.

The MULTILIFT MD collecting tank offers four

horizontal inlets in the sides (2 × DN 100 and 2 × DN

50) and three vertical inlets at the top of the tank (2 ×

DN 150 and 1 × DN 50). The centres of the horizontal

inlets are 120 mm (DN 50) and 250 mm (DN 150)

above the floor.

The MULTILIFT MOG and MDG collecting tank offers

four horizontal inlets in the sides (2 × DN 100 and 2 ×

DN 50) and two vertical inlets at the top of the tank (1

× DN 150 and 1 × DN 50). The centres of the

horizontal inlets are 115 mm (DN 50) and 250 mm

(DN 150) above the floor.

The side and back inlets 180 and 250 mm above the

floor are for direct connection to wall-hung or floor-

standing toilet according to EN 33 and EN 37. Further

sanitary appliances can be connected to the other

ports.

MULTILIFT MLD

The collecting tank offers one vertical inlet (DN 50) at

the top of the tank and one vertical inlet (DN 150) in

the stepped part of the tank.

Tank volume

The tank volume and effective volume (volume

between start and stop) for MULTILIFT lifting stations

appear from the following table:

Type of

tank

Inlet level

[mm]

Total tank

volume [l]

Effective

tank

volume [l]

MULTILIFT

M, MD

180

130

250 69

315 86

MULTILIFT

MLD 560 270 190

MULTILIFT

MOG, MDG

180

250 37

315 50

Setting to the relevant start inlet level must

be made during startup phase via the

setup menu.

The first step after power supply

connection is a startup phase with level

setting.

To minimise sedimentation, the tank

bottom is chamfered to lead the

wastewater to the pump.

2.1.5 Motor cable

The motor cable is fitted to the motor via a cable

entry. The enclosure class is IP68.

MULTILIFT M, MD, MLD: The length of the cable is

either 4 or 10 m.

MULTILIFT MOG, MDG: The length of the cable is 10

English (GB)

2.1.6 Shaft seal

2.1.6.1 Shaft seal, MULTILIFT M, MD, MLD

The pump has three shaft seals. The oil chambers in

between are filled for life and therefore require no

maintenance. For replacement in case of service, see

service instructions.

2.1.6.2 Shaft seal, MULTILIFT MOG, MDG

The grinder pump incorporates two shaft seal variants

which are both of the cartridge seal type.

Pumps up to and including 1.5 kW have a silicon

carbide/silicon carbide (SiC/SiC) mechanical shaft

seal as primary seal and a lip seal as secondary seal.

In connection with service, the lip seal and

mechanical shaft seal are supplied as one

replaceable unit ready for fitting. The components can

be replaced individually. See service instructions for

the pump.

Pumps as from 2.6 kW have a double seal consisting

of a SiC/SiC mechanical seal as primary seal and a

carbon/aluminium oxide mechanical shaft seal as

secondary seal. The components can be replaced

individually. See service instructions for the pump.

2.1.7 Grinder system, MULTILIFT MOG, MDG

The grinder system consists of two parts, a stationary

grinder ring and a rotating grinder head. See the

figure below.

The grinder ring is secured to the pump housing by

means of a bayonet socket and fixed in

the correct position with a screw. The grinder head is

secured to the shaft by means of the screw that

keeps the impeller in position. To adjust or

replace the grinder system, see service instructions

for the pump.

TM053722

Grinder system

2.1.8 Non-return valve, MULTILIFT M, MD, MLD

The DN 80 non-return valve includes a drain screw to

lift up the internal valve flap in order to drain the outlet

pipe in case of maintenance or service. The valve is

designed and tested according to EN 12050-4. See

the figure below.

Loosen the locking nut before turning the

drain screw.

TM051530

Non-return valve

Related information

2.2 Construction

English (GB)

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