Table of Contents
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English (GB) Installation and operating instructions
Original installation and operating instructions
Table of contents
1.
General information . . . . . . . . . . . . . 5
1.1
Hazard statements . . . . . . . . . . . . . . 5
1.2
Notes . . . . . . . . . . . . . . . . . . . . . 6
2.
Product introduction . . . . . . . . . . . . 6
2.1
Product description . . . . . . . . . . . . . . 6
2.2
Construction. . . . . . . . . . . . . . . . . . 11
2.3
Intended use . . . . . . . . . . . . . . . . . 13
2.4
Pumped liquids . . . . . . . . . . . . . . . . 13
2.5
Identification. . . . . . . . . . . . . . . . . . 13
3.
Receiving the product. . . . . . . . . . . . 16
3.1
Transportation. . . . . . . . . . . . . . . . . 16
3.2
Inspecting the product . . . . . . . . . . . . 16
3.3
Scope of delivery . . . . . . . . . . . . . . . 16
4.
Mechanical installation . . . . . . . . . . . 17
4.1
Installation requirements . . . . . . . . . . . 18
4.2
Installation sketches . . . . . . . . . . . . . 19
4.3
MD, MOG, MDG . . . . . . . . . . . . . . . 22
4.4
MLD . . . . . . . . . . . . . . . . . . . . . . 23
4.5
MD, MLD . . . . . . . . . . . . . . . . . . . 23
4.6
MULTILIFT MOG, MDG . . . . . . . . . . . 24
4.7
Further connections. . . . . . . . . . . . . . 24
5.
Electrical connection . . . . . . . . . . . . 25
5.1
Connecting a level sensor . . . . . . . . . . 25
5.2
Wiring connections . . . . . . . . . . . . . . 27
6.
Starting up the product . . . . . . . . . . . 28
7.
Setting the product . . . . . . . . . . . . . 29
7.1
Further settings . . . . . . . . . . . . . . . . 29
7.2
Start level . . . . . . . . . . . . . . . . . . . 29
7.3
Factory settings . . . . . . . . . . . . . . . . 29
8.
Servicing the product . . . . . . . . . . . . 30
8.1
Maintenance intervals . . . . . . . . . . . . 30
8.2
Performing a maintenance check . . . . . . 30
8.3
Mechanical maintenance . . . . . . . . . . . 31
8.4
Performingelectrical maintenance . . . . . . 33
8.5
components . . . . . . . . . . . . . . . . . . 33
9.
Taking the product out of operation . . . . 33
10.
Fault finding . . . . . . . . . . . . . . . . . 34
of the level controller . . . . . . . . . . . . . 34
10.2 The pump(s) does/do not run. . . . . . . . . 35
10.3 The sensor signal is out of range. . . . . . . 35
frequently even if there is no inflow . . . . . 35
visible reason . . . . . . . . . . . . . . . . . 35
11.
Technical data . . . . . . . . . . . . . . . . 36
11.1
Lifting station . . . . . . . . . . . . . . . . . 36
11.2
Collecting tank . . . . . . . . . . . . . . . . 36
11.3
Pump . . . . . . . . . . . . . . . . . . . . . 36
11.4
Techincal data for level controller. . . . . . . 36
11.5
MULTILIFT M . . . . . . . . . . . . . . . . . 37
11.6
MULTILIFT MD, MLD . . . . . . . . . . . . . 38
11.7
MULTILIFT MOG, MDG . . . . . . . . . . . 39
12.
Disposing of the product . . . . . . . . . . 40
13.
Document quality feedback . . . . . . . . 40
1. General information
Read this document before you install the
product. Installation and operation must
comply with local regulations and accepted
codes of good practice.
1.1 Hazard statements
The symbols and hazard statements below may
appear in Grundfos installation and operating
instructions, safety instructions and service
instructions.
DANGER
Indicates a hazardous situation which, if
not avoided, will result in death or serious
personal injury.
WARNING
Indicates a hazardous situation which, if
not avoided, could result in death or
serious personal injury.
CAUTION
Indicates a hazardous situation which, if
not avoided, could result in minor or
moderate personal injury.
The hazard statements are structured in the following
way:
SIGNAL WORD
Description of the hazard
Consequence of ignoring the warning
•
Action to avoid the hazard.
5
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