
Table of Contents 3
Subject to technical changes.
Neptune stepper motor-driven diaphragm pump NXP-M and NXP-P Operating instructions
Table of Contents
1 Notes for the Reader ..........................................................4
1.1 General non-discrimination......................................................4
1.2 Explanation of the signal words ................................................4
1.3 Explanation of the warning signs ..............................................4
1.4 Identification of warnings.........................................................4
1.5 Instruction for action identification ...........................................4
2 Safety .................................................................................5
2.1 General warnings.....................................................................5
2.2 Hazards due to non-compliance with the safety instructions .....6
2.3 Working in a safety-conscious manner .....................................6
2.4 Personal protective equipment.................................................6
2.5 Personnel qualification.............................................................6
3 Intended use ...................................................................... 8
3.1 Notes on product warranty .......................................................8
3.2 Intended purpose.....................................................................8
3.3 Device revision ........................................................................8
3.4 Principles ................................................................................8
3.5 Prohibited dosing media...........................................................8
3.6 Foreseeable misuse.................................................................8
4 Product description .........................................................10
4.1 Properties..............................................................................10
4.2 Scope of delivery ...................................................................10
4.3 Structure of the dosing pump .................................................10
4.4 Function description ..............................................................11
4.5 Rating plate ...........................................................................11
4.6 Conveying characteristics ......................................................12
5 Technical data..................................................................13
5.1 Delivery capacity data............................................................13
5.2 Operating conditions and limits ..............................................13
5.3 Electrical specifications .........................................................14
5.4 Other data .............................................................................14
6 Dimensions ......................................................................15
6.1 NXP-M/P 68 through 285 .......................................................15
6.2 NXP-M/P 375, 540, and 810...................................................16
7 Installing the Dosing Pump.............................................. 17
7.1 Set up information .................................................................17
7.2 Installation examples .............................................................17
8 Hydraulic installations..................................................... 18
8.1 Design of the system..............................................................18
8.2 System piping........................................................................19
8.3 Aligning the dosing head ........................................................19
8.4 Hydraulic connections............................................................19
8.5 Connecting a leakage drain....................................................21
8.6 Connecting the dosing head venting facility ............................21
8.7 Hydraulic accessories ............................................................21
9 Electrical installation.......................................................24
9.1 Principles ..............................................................................24
9.2 Description of connection sockets ..........................................25
10 Control..............................................................................27
10.1 Operating elements of the control NXP-M .............................27
10.2 Operating elements of the control NXP-P ..............................27
10.3 Password protection ............................................................28
11 Operation..........................................................................30
11.1 Commissioning the dosing pump..........................................30
11.2 NXP-P: Operating modes......................................................31
11.3 External On / Off via Release input ........................................32
11.4 Decommissioning the dosing pump......................................33
11.5 Shutting down in an emergency ...........................................33
11.6 Storage ...............................................................................33
11.7 Transportation......................................................................33
11.8 Disposal of old equipment....................................................33
12 Maintenance ....................................................................34
12.1 Maintenance intervals..........................................................34
12.2 Tighten up dosing head bolts................................................34
12.3 Change the diaphragm.........................................................35
12.4 Clean suction and discharge valves ......................................35
13 Troubleshooting ...............................................................36
13.1 Type of fault .........................................................................36
14 Spare parts.......................................................................39
14.1 Diaphragm spare parts kits ..................................................39
14.2 Dosing head spare parts kits including valves.......................39
15 Delivery characteristic curves.........................................40
16 Index.................................................................................41