Grundfos Multilift MD1 - Default Chapter; Table of Contents

Original installation and operating instructions
Table of contents
1. General information ........................................................4
1.1 Symbols used in this document................................................5
2. Receiving the product ......................................................6
2.1 Transporting the product .....................................................6
2.2 Scope of delivery...........................................................7
3. Installing the product ......................................................8
3.1 Installing the controller ......................................................8
3.1.1 Location ..............................................................8
3.1.2 Mechanical installation ..................................................8
3.1.2.1 Installing the controller ...............................................8
3.1.3 Electrical connection ....................................................8
3.1.3.1 Connecting the mains supply to systems with direct-on-line starting .............8
3.1.3.2 Connecting the mains supply to systems with star-delta starting ................9
3.2 Installing the lifting station ....................................................9
3.2.1 Location .............................................................9
3.2.2 Mechanical installation .................................................10
3.2.2.1 Installing the pumps ................................................10
3.2.2.2 Connecting the inlet pipe.............................................11
3.2.2.3 Connecting the outlet pipe............................................12
3.2.2.4 Connecting the vent pipe.............................................12
3.2.2.5 Installing a diaphragm pump ..........................................13
3.2.3 Electrical connection ...................................................14
3.2.3.1 Connecting the pumps electrically ......................................14
4. Starting up the product.....................................................15
5. Product description ......................................................16
5.1 Applications .............................................................16
5.2 Pumped liquids ...........................................................16
5.3 Lifting station.............................................................16
5.3.1 Tank ................................................................16
5.3.2 Pumps ..............................................................17
5.3.3 Operating modes ......................................................17
5.3.4 Motor protection .......................................................17
5.3.5 Level sensor..........................................................18
5.3.6 Inspection cover .......................................................19
5.3.7 Non-return valve.......................................................19
5.4 Controller ...............................................................20
5.4.1 Display ..............................................................20
5.4.2 Buttons..............................................................21
5.4.3 Selector switches ......................................................22
5.4.4 Status LEDs ..........................................................22
5.4.5 Menus ..............................................................23
5.4.6 Factory settings .......................................................23
5.4.7 Overview of input and output terminals .....................................24
5.5 Optional equipment ........................................................25
5.5.1 Accessories ..........................................................25
5.5.2 Drainage pump........................................................25
6. Identification ............................................................26
6.1 Lifting station.............................................................26
6.1.1 Nameplate ...........................................................26
6.1.2 Type key.............................................................27
6.2 Controller ...............................................................28
6.2.1 Nameplate ...........................................................28
6.2.2 Type key.............................................................29
Multilift MD1, MDV | Table of contents | 2