Symbols Used In This Document; Scope Of Delivery - Grundfos Multilift MD.12.1.4 Instrucciones De Instalación Y Funcionamiento

English (GB) Installation and operating instructions
Original installation and operating instructions.
TABLE OF CONTENTS
1. Symbols used in this document
2. Scope of delivery
2.1 MD
2.2 MLD
3. General description
3.1 Applications
4. Transportation and storage
5. Product description
5.1 Lifting station
5.2 LC 221 controller
6. Operating LC 221 controller
6.1 Description of display
6.2 Setup menu
6.3 Information menu
6.4 Description of fault indications
7. Installation of lifting station
7.1 General description
7.2 Guidelines for installation of lifting station
7.3 Procedure for installation of lifting station
8. Installation of LC 221 controller
8.1 Location
8.2 Mechanical installation
8.3 Electrical connection
8.4 Setting of LC 221
8.5 Wiring diagrams
9. Startup
10. Maintenance and service
10.1 Mechanical maintenance
10.2 Motor
10.3 Electrical maintenance
10.4 Cleaning the level sensor
10.5 Contaminated lifting station or components
11. Fault finding
12. Technical data
12.1 Lifting station
12.2 Collecting tank
12.3 Pump
12.4 LC 221 controller
12.5 Performance curves
13. Disposal
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.

1. Symbols used in this document

Warning
Page If these safety instructions are not observed,
it may result in personal injury.
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Warning
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These instructions must be observed for
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explosion-proof pumps. We recommend that you
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also follow these instructions for standard
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pumps.
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If these safety instructions are not observed,
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Caution
it may result in malfunction or damage to the
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equipment.
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Notes or instructions that make the job easier
Note
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and ensure safe operation.
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2. Scope of delivery

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2.1 MD
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Grundfos Multilift MD lifting stations are supplied complete with
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collecting tank, butterfly-non-return valves, a sensor unit with
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cable and two pumps with cable, both connected to the LC 221
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controller. The controller includes a power supply cable with plug.
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An accessories bag containing the following items is also
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included:
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• 1 x installation and operating instructions
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• 1 x Quick guide for controller menu
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• 1 x discharge adapter flange, DN 80, with connection piece,
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DN 100 (outer diameter, 110 mm)
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• 1 x flexible hose, DN 100, and two clamps to connect the
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discharge pipe
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• 1 x flexible hose, DN 70, and two clamps to connect the
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venting pipe
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27 • 2 x screw and expansion anchor for tank fixation
• 3 x screw and washer for fastening a pipe plug in the inlet disk,
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if required
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• 1 x socket seal, DN 100
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• 1 x socket seal, DN 50, for diaphragm pump connection or
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inlet, DN 50
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• 1 x gasket kit, DN 80, 8 bolts M16 x 65, nuts and washers
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(galvanized).
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2.2 MLD
Grundfos Multilift MLD lifting stations are supplied complete with
collecting tank, butterfly-non-return valves, a sensor unit with
cable and two pumps with cable, both connected to the LC 221
controller. The controller includes a power supply cable with plug.
An accessories bag containing the following items is also
included:
• 1 x installation and operating instructions
• 1 x Quick guide for controller menu
• 1 x discharge adapter flange, DN 80, with connection piece,
DN 100 (outer diameter, 110 mm)
• 1 x flexible hose, DN 100, and two clamps to connect
discharge pipe
• 1 x flexible hose, DN 70, and two clamps to connect venting
pipe
• 4 x screw and expansion anchor for tank fixation
• 1 x socket seal, DN 150
• 1 x flexible hose connection with two clamps, DN 50, for
diaphragm pump connection or inlet, DN 50
• 1 x gasket kit, DN 80, 8 bolts M16 x 65, nuts and washers
(galvanized).
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