Grundfos Multilift MD1 Manuale utente
Multilift MD1, MDV
Installation and operating instructions
Installation and operating instructions
http://net.grundfos.com/qr/i/96102304
GRUNDFOS INSTRUCTIONS
Original installation and operating instructions
Table of contents
1. General information ........................................................4
1.1 Symbols used in this document................................................5
2. Receiving the product ......................................................6
2.1 Transporting the product .....................................................6
2.2 Scope of delivery...........................................................7
3. Installing the product ......................................................8
3.1 Installing the controller ......................................................8
3.1.1 Location ..............................................................8
3.1.2 Mechanical installation ..................................................8
3.1.2.1 Installing the controller ...............................................8
3.1.3 Electrical connection ....................................................8
3.1.3.1 Connecting the mains supply to systems with direct-on-line starting .............8
3.1.3.2 Connecting the mains supply to systems with star-delta starting ................9
3.2 Installing the lifting station ....................................................9
3.2.1 Location .............................................................9
3.2.2 Mechanical installation .................................................10
3.2.2.1 Installing the pumps ................................................10
3.2.2.2 Connecting the inlet pipe.............................................11
3.2.2.3 Connecting the outlet pipe............................................12
3.2.2.4 Connecting the vent pipe.............................................12
3.2.2.5 Installing a diaphragm pump ..........................................13
3.2.3 Electrical connection ...................................................14
3.2.3.1 Connecting the pumps electrically ......................................14
4. Starting up the product.....................................................15
5. Product description ......................................................16
5.1 Applications .............................................................16
5.2 Pumped liquids ...........................................................16
5.3 Lifting station.............................................................16
5.3.1 Tank ................................................................16
5.3.2 Pumps ..............................................................17
5.3.3 Operating modes ......................................................17
5.3.4 Motor protection .......................................................17
5.3.5 Level sensor..........................................................18
5.3.6 Inspection cover .......................................................19
5.3.7 Non-return valve.......................................................19
5.4 Controller ...............................................................20
5.4.1 Display ..............................................................20
5.4.2 Buttons..............................................................21
5.4.3 Selector switches ......................................................22
5.4.4 Status LEDs ..........................................................22
5.4.5 Menus ..............................................................23
5.4.6 Factory settings .......................................................23
5.4.7 Overview of input and output terminals .....................................24
5.5 Optional equipment ........................................................25
5.5.1 Accessories ..........................................................25
5.5.2 Drainage pump........................................................25
6. Identification ............................................................26
6.1 Lifting station.............................................................26
6.1.1 Nameplate ...........................................................26
6.1.2 Type key.............................................................27
6.2 Controller ...............................................................28
6.2.1 Nameplate ...........................................................28
6.2.2 Type key.............................................................29
Multilift MD1, MDV | Table of contents | 2
7. Control functions ........................................................30
7.1 Settings menu ............................................................30
7.1.1 Start and stop levels....................................................30
7.1.2 Rated current .........................................................30
7.1.3 Stop delay ...........................................................30
7.1.4 Pump start delay ......................................................30
7.1.5 System start delay .....................................................30
7.1.6 Restarting delay .......................................................30
7.1.7 Alarm delay ..........................................................30
7.1.8 Maintenance interval ...................................................30
7.1.9 Factory settings .......................................................30
7.2 Information menu .........................................................30
7.2.1 Fault log .............................................................30
7.2.2 Hours counter.........................................................30
7.2.3 Impulse counter .......................................................31
7.2.4 Highest measured motor current ..........................................31
8. Operating the product .....................................................32
8.1 Setting the controller .......................................................32
8.1.1 Setting the start level ...................................................32
8.1.2 Setting the rated current.................................................32
8.1.3 Setting the stop delay...................................................32
8.1.4 Setting the start delay...................................................32
8.1.5 Setting the alarm delay..................................................32
8.1.6 Setting the maintenance interval ..........................................33
8.1.7 Setting of manual or automatic resetting of alarms.............................33
8.1.8 Resetting the controller to the factory settings ................................33
9. Servicing the product ......................................................34
9.1 Maintenance schedule .....................................................34
9.1.1 Maintenance intervals ..................................................34
9.2 Mechanical maintenance....................................................34
9.2.1 Maintaining the product .................................................34
9.2.2 Cleaning the pressure tube and hose.......................................35
9.3 Electrical maintenance .....................................................35
10. Returning the product for service ...........................................36
11. Taking the product out of operation..........................................37
12. Fault finding the product ..................................................38
12.1 F001 ..................................................................38
12.2 F002 ..................................................................39
12.3 F003 ..................................................................39
12.4 F007, F008 .............................................................39
12.5 F117 ..................................................................40
12.6 RELAY ................................................................40
12.7 TEMP .................................................................41
12.8 SENSOR ..............................................................41
12.9 EXTERN ...............................................................42
12.10 BATT.................................................................42
12.11 The pumps do not start ...................................................43
12.12 The pumps start randomly.................................................44
13. Technical data ..........................................................45
13.1 Operating conditions ......................................................45
13.2 Mechanical data .........................................................45
13.3 Electrical data ...........................................................45
14. Disposing of the product ..................................................46
Multilift MD1, MDV | Table of contents | 3
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.
Multilift MD1, MDV | General information | 4
1.1 Symbols used in this document
DANGER
Indicates a hazardous situation which, if not avoided, will result in death or seri-
ous personal injury.
WARNING
Indicates a hazardous situation which, if not avoided, could result in death or se-
rious personal injury.
CAUTION
Indicates a hazardous situation which, if not avoided, could result in minor or
moderate personal injury.
The text accompanying the three hazard symbols DANGER, WARNING and CAUTION is struc-
tured in the following way:
SIGNAL WORD
Description of the hazard
Consequence of ignoring the warning
Action to avoid the hazard.
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.
Observe these instructions for explosion-proof products.
Multilift MD1, MDV | General information | 5
2. Receiving the product
2.1 Transporting the product
Do not stack the product.
WARNING
Falling objects
Death or serious personal injury
● Secure the product during transportation to prevent it from tilting or falling
down.
CAUTION
Back injury
Minor or moderate personal injury
● Use lifting equipment.
CAUTION
Crushing of feet
Minor or moderate personal injury
● Wear safety shoes when moving the product.
Multilift MD1, MDV | | 6
2.2 Scope of delivery
This list applies to a standard lifting station with one tank. Additional components are included if
you have ordered an additional tank.
Pos. Quantity Description Specification
1 1 Pressure tube With 10 m hose
2 1 Flexible hose with two clamps for the vent
pipe
DN 70
3 1 Inlet seal DN 150
4 1 Tank
5 3 Screws and expansion anchor for tank fixa-
tion
6 1 Flexible connecting piece for optional dia-
phragm pump and fittings
For 1 1/2" pipe
7 2 Seal for pump inlet DN 100
8 2 Connecting flange with stub DN 80 or DN 100
9 1 LC 221 controller
10, 11 2 Vent flange with vent hose and fitting DN 80 or DN 100
12 2 SE or SL pump With 10 m cable
2 Gasket kit DN 80 or DN 100, 8 bolts M16,
nuts, washers and gaskets
1 Installation and operating instructions For lifting station and controller
1 Safety instructions For lifting station and controller
1
2
3
4
5
6
7
8
10
11
12
9
Related information
• 5.5.1 Accessories
Multilift MD1, MDV | | 7
3. Installing the product
3.1 Installing the controller
3.1.1 Location
Install the product in a location that meets the following requirements:
• Place the product in a flood-safe place.
• Make sure that the ambient temperature is within the limits.
• Install the product as close as possible to the lifting station.
• If you install the product outdoors, place it in a protective shed or enclosure, class IP55.
• Do not expose the product to direct sunlight.
Related information
• 13.1 Operating conditions
3.1.2 Mechanical installation
CAUTION
Back injury
Minor or moderate personal injury
● Use lifting equipment.
CAUTION
Crushing of feet
Minor or moderate personal injury
● Wear safety shoes when moving the product.
3.1.2.1 Installing the controller
You can install the controller without removing the front cover.
1. Mark up the holes on a plane wall.
2. Drill the holes.
3. Remove the plastic caps that cover the screw holes in the controller or open the control cab-
inet.
4. Install the controller with the cable entries pointing downwards.
If required, fit additional cable entries in the bottom plate of the control cabinet.
5. Fit the screws.
6. Fit the plastic caps, if any.
3.1.3 Electrical connection
DANGER
Electric shock
Death or serious personal injury
● Switch off the power supply before you start any work on the product. Make
sure that the power supply cannot be accidentally switched on.
Multilift MD1, MDV | | 8
3.1.3.1 Connecting the mains supply to systems with direct-on-line starting
• Make sure that the supply voltage and frequency correspond to the values stated on the
nameplate on the lifting station.
• If required according to local regulations, install an external all-pole main switch.
• If required according to local regulations, install a backup fuse. See the controller name-
plate.
Systems with direct-on-line starting have a 1.5 m power supply cable connected in the control
cabinet. The cable is equipped with a CEE plug.
1. Install a CEE power socket less than 1.5 m from the control cabinet.
2. Connect the CEE plug to the CEE power socket.
Related information
• 6.2.1 Nameplate
3.1.3.2 Connecting the mains supply to systems with star-delta starting
• Make sure that the supply voltage and frequency correspond to the values stated on the
nameplate on the lifting station.
• If required according to local regulations, install an external all-pole main switch.
• If required according to local regulations, install a backup fuse. See the controller name-
plate.
Systems with star-delta starting have an all-pole main switch on the cabinet front.
1. Set the main switch to off.
2. Connect a power supply cable to the control cabinet through the cable entries and gaskets.
See the wiring diagram.
3. Set the motor-protective circuit breakers in the control cabinet.
Related information
• 6.2.1 Nameplate
3.2 Installing the lifting station
3.2.1 Location
Install the product in a location that meets the following requirements:
• Make sure that the location is properly lit.
• Make sure that the location is properly vented.
• Make sure that there is at least 60 cm free space around the product.
• We recommend that you install a drainage pump in a pump sump below floor level if you
install the lifting station in a basement with the risk of penetrating groundwater. In some
countries, a drainage pump or only a pump sump is required. We also recommend that you
install a separate float switch next to the lifting station and connect it to terminals 13 and 14
of LC 221. If the float switch is activated, the controller gives an acoustic alarm, the display
shows the external alarm EXTERN, a red LED flashes, and the common fault relay is activa-
ted.
The lifting station may be flooded maximum 2 metres for seven days.
Multilift MD1, MDV | | 9
3.2.2 Mechanical installation
CAUTION
Back injury
Minor or moderate personal injury
● Use lifting equipment.
CAUTION
Crushing of feet
Minor or moderate personal injury
● Wear safety shoes when moving the product.
3.2.2.1 Installing the pumps
The description below is for a system with isolating valves and a non-return valve.
Make sure that the weight from the inlet, outlet and vent pipes does not rest on
the tank. Long pipe sections and valves must be supported.
Torques for flanges +/- 5 Nm
Nominal diameter Screws Torque [Nm]*1 Torque [Nm]*2
DN 80 8 x M16 70 60
DN 100 8 x M16 70 60
DN 150 8 x M20 140 120
*1 Slightly lubricated threads
*2 Well-lubricated threads
1. Fit an isolating valve to the tank.
The isolating valves can be made of cast iron or PVC. The end of the PVC valve can be
pushed directly into the socket with a plug-in seal.
2. Connect the pump to the isolating valve.
3. Fasten the pump to the floor using the dowels and screws supplied with the lifting station.
4. Fit the vent flange to the pump outlet flange.
5. Drill a hole in the tank connection for the vent hose.
6. Connect the vent hose to the vent flange and to the tank.
7. Fit a non-return valve to the vent flange. Lifting stations must be provided with an approved
non-return valve according to EN 12050-4.
8. Fit an isolating valve to the non-return valve.
9. Install the second pump by following the steps above.
Example:
Multilift MD1, MDV | | 10
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