Grundfos Multilift MDG, Installation And Operating Instructions Manual

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English (GB)
2
English (GB) Installation and operating instructions
Original installation and operating instructions
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 outlet flange, 1 1/4" (MOG)
2 x oval outlet flanges, 1 1/4" (MDG)
• 1 x flexible hose, DN 70, and two clamps to connect vent 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
2
2. Scope of delivery 2
3. General description 3
3.1 Applications
4
4. Transportation and storage 4
5. Product description 4
5.1 Lifting station 4
5.2 LC 221 controller 7
6. Operating LC 221 controller 11
6.1 Description of display 11
6.2 Setup menu
13
6.3 Information menu 14
6.4 Description of fault indications 15
7. Installation of lifting station
17
7.1 General description 17
7.2 Guidelines for installation of lifting station 18
7.3 Procedure for installation of lifting station
19
8. Installation of LC 221 controller 20
8.1 Location 20
8.2 Mechanical installation 21
8.3 Electrical connection
21
8.4 Setting of LC 221 22
8.5 Wiring diagrams 22
9. Startup
23
10. Maintenance and service 23
10.1 Mechanical maintenance 23
10.2 Electrical maintenance
23
10.3 Cleaning the level sensor 24
10.4 Contaminated lifting station or components 24
11. Fault finding 25
12. Technical data
27
12.1 Lifting station 27
12.2 Collecting tank 27
12.3 Pump
27
12.4 LC 221 controller 27
13. Disposal 28
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.
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