Grundfos LC 221, Installation And Operating Instructions Manual

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English (GB)
5
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, 8 bolts M16 x 65, nuts and washers
(galvanized).
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).
1. Symbols used in this document
5
2. Scope of delivery 5
2.1 MD 5
2.2 MLD
5
3. General description 6
3.1 Applications 7
4. Transportation and storage
7
5. Product description 7
5.1 Lifting station 7
5.2 LC 221 controller 9
6. Operating LC 221 controller
13
6.1 Description of display 13
6.2 Setup menu 15
6.3 Information menu
16
6.4 Description of fault indications 17
7. Installation of lifting station 19
7.1 General description
19
7.2 Guidelines for installation of lifting station 20
7.3 Procedure for installation of lifting station 20
8. Installation of LC 221 controller 22
8.1 Location
22
8.2 Mechanical installation 22
8.3 Electrical connection 23
8.4 Setting of LC 221
23
8.5 Wiring diagrams 24
9. Startup 25
10. Maintenance and service
25
10.1 Mechanical maintenance 26
10.2 Motor 26
10.3 Electrical maintenance 26
10.4 Cleaning the level sensor
27
10.5 Contaminated lifting station or components 27
11. Fault finding 28
12. Technical data
29
12.1 Lifting station 29
12.2 Collecting tank 29
12.3 Pump
29
12.4 LC 221 controller
29
12.5 Performance curves 30
13. Disposal 31
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. We recommend that you
also follow these instructions for standard
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.