English (GB)
2
English (GB)
Installation and operating instructions
Original installation and operating instructions
TABLE OF CONTENTS
Page
1. Symbols used in this document
2. Scope of delivery
2.1 MD
Grundfos Multilift MD 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 the
discharge pipe
• 1 x flexible hose, DN 70, and two clamps to connect the
venting pipe
• 2 x screw and expansion anchor for tank fixation
• 3 x screw and washer for fastening a pipe plug in the inlet disk,
if required
• 1 x socket seal, DN 100
• 1 x socket seal, DN 50, for diaphragm pump connection or
inlet, DN 50
• 1 x gasket kit, DN 80, 4 bolts M16, nuts and washers
(galvanised).
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, 4 bolts M16, nuts and washers
(galvanized).
Description of fault indications
Installation of lifting station
Guidelines for installation of lifting station
Procedure for installation of lifting station
Installation of LC 221 controller
10.4 Cleaning the level sensor
10.5 Contaminated lifting station or components
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.
Warning
These instructions must be observed for
explosion-proof pumps.
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.