Grundfos LC 221 Series, Installation And Operating Instructions Manual

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English (GB)
10
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
Grundfos Multilift MOG (one pump) and MDG (two pumps) lifting
stations are supplied complete with collecting tank, a sensor unit
with cable and one or two pumps with cable, 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 oval discharge flange, 1 1/4" (MOG)
2 x oval discharge flanges, 1 1/4" (MDG)
• 1 x flexible hose, DN 70, and two clamps to connect 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.
The lifting stations are supplied complete with one or two pumps
and a controller.
1. Symbols used in this document
10
2. Scope of delivery 10
3. General description 11
3.1 Applications
12
4. Transportation and storage 12
5. Product description 12
5.1 Lifting station 12
5.2 LC 221 controller 15
6. Operating LC 221 controller 20
6.1 Description of display 20
6.2 Setup menu
22
6.3 Information menu 23
6.4 Description of fault indications 24
7. Installation of lifting station
26
7.1 General description 26
7.2 Guidelines for installation of lifting station 27
7.3 Procedure for installation of lifting station
28
8. Installation of LC 221 controller 29
8.1 Location 29
8.2 Mechanical installation 30
8.3 Electrical connection
30
8.4 Setting of LC 221 30
8.5 Wiring diagrams 31
9. Start-up
32
10. Maintenance and service 32
10.1 Mechanical maintenance 33
10.2 Electrical maintenance
33
10.3 Cleaning the level sensor 33
10.4 Contaminated lifting station or components 33
11. Fault finding 34
12. Technical data
35
12.1 Lifting station 35
12.2 Collecting tank 35
12.3 Pump
35
12.4 LC 221 controller 35
12.5 Performance curves 37
13. Disposal
37
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
If these safety instructions are not observed,
it may result in personal injury.
Warning
These instructions must be observed for
explosion-proof pumps. It is advisable also to
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.
Lifting station Controller
MOG, one-pump lifting station LC 221.1
MDG, two-pump lifting station LC 221.2