Grundfos DMX 255-3 Diaphragm Dosing Pump Manuals

Manuals and User Guides for Grundfos DMX 255-3 Diaphragm Dosing Pump. We have 2 Grundfos DMX 255-3 Diaphragm Dosing Pump manuals available for free PDF download: Installation And Operating Instructions Manual

Grundfos DMX 255-3 Installation And Operating Instructions Manual

Grundfos DMX 255-3 Installation And Operating Instructions Manual (44 pages)

Diaphragm Dosing Pump

Brand: Grundfos | Category: Water Pump | Size: 1 MB

Table of Contents

Table of Contents
4
Installation Data

6
Installation Diagram

6
Type Key

7
1 Of General Interest

8
- In General
  8
- Using this Paper
  8
- Warranty
  8
2 Safety Instructions

9
3 Technical Data

10
- Pump Types
  10
- Pump Performance
  10
  - Accuracy
    10
  - DMX 24-8 DMX
    10
  - Performance
    11
- Suction Heights
  12
  - Media with a Viscosity Similar to Water
    12
  - Suction Heights for Media with Maximum Permissible Viscosity
    12
- Dosing Curves
  13
- Materials
  13
- Ambient and Operating Conditions
  13
- Weight
  14
- Dimensional Drawing
  15
4 Installation

17
- Installation Information
  17
- Transport and Storage
  19
- Mounting
  19
- Connecting the Suction and Pressure Lines
  19
- Electrical Connections
  20
  - Versions with Mains Plug
    20
  - Versions Without Mains Plug
    20
5 Commissioning

21
- Inspections before Commissioning
  21
6 Operation

22
- Description of the Device
  22
- Switching on / off
  22
  - Switching on
    22
  - Switching off
    22
- Adjusting the Dosing Flow by Means of the Stroke Length
  23
- Adjusting the Stroke Length Adjustment
  23
- Possible Failures
  24
7 Operation with Other Electronics

25
- Electronics Version Stroke Sensor
  25
- Electronics Diaphragm Breakage Sensor
  25
  - Technical Data of the Electronics
    25
  - Dimensional Drawing (Electronics Enclosure)
    25
  - Function
    26
  - Electrical Connections of the Electronics
    26
  - Relay Outputs
    27
  - Screwing the Sensor into the Dosing Head
    27
  - Commissioning
    28
  - Using the Contacts
    28
  - Description of the Device
    28
  - Maintenance
    29
8 Integral Overflow Valve

30
- Function
  30
- Permissible Media
  30
- Connections
  30
- Setting of Opening Pressure
  31
  - General
    31
  - Setting Instructions for Opening Pressure
    31
- Venting
  32
- Possible Faults
  32
- Maintenance
  32
  - Intervals for Cleaning and Maintenance
    32
  - Replacing the Diaphragm
    32
9 Maintenance

33
Appendix Dosing Curves

35

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Grundfos DMX 255-3 Installation And Operating Instructions Manual

Grundfos DMX 255-3 Installation And Operating Instructions Manual (42 pages)

Dosing pump

Brand: Grundfos | Category: Water Pump | Size: 9 MB

Table of Contents

Table of Contents
4
General Information
4
Introduction
4
Applications
4
Safety
5
Identification of Safety Instructions in this Manual
5
Qualification and Training of Personnel
5
Risks When Safety Instructions Are Not Observed
5
Safety-Conscious Working
5
Safety Instructions for the Operator/User
5
Safety Instructions for Maintenance, Inspection and Installation Work
5
Unauthorised Modification and Manufacture of Spare Parts
5
Improper Operating Methods
5
Safety of the System in the Event of a Failure in the Dosing System
5
Technical Data
6
Identification
6
Pump Models and Pump Types
7
Pump Performance
8
Suction Heights
9
Ambient and Operating Conditions
10
Dosing Medium
10
Electrical Data
11
AR Control Unit
11
Materials
11
Weights
12
Dimensional Sketches
13
Transport and Storage
17
Delivery
17
Intermediate Storage
17
Unpacking
17
Return
17
Installation
18
Optimum Installation
18
Installation Tips
19
Mounting
20
Hose / Pipe Lines
20
Connecting the Suction and Discharge Lines
21
Electrical Connections
22
Versions with Mains Plug
22
Versions Without Mains Plug
22
Commissioning
22
Checks before Start-Up
22
Start-Up
22
Operation
23
Description of the Pump
23
Switching On/Off
24
Adjusting the Dosing Flow Via the Stroke Length
24
Stroke-Length Adjustment
24
Adjustment of Stroke Rate Using a Frequency Converter
25
Using the AR Control Unit
25
Operation with Other Electronics
26
Electronic Version Stroke Sensor
26
Electronic Diaphragm Leakage Sensor
26
Integral Relief Valve
29
Function
29
Permissible Media
29
Connections
29
Setting of Opening Pressure
29
Venting
30
Fault Finding Chart
30
Maintenance
31
General Notes
31
Cleaning and Maintenance Intervals
31
Cleaning the Suction and Discharge Valves
31
Maintenance of the Relief Valve
32
Replacing the Diaphragm
32
Fault Finding Chart
33
Dosing Pump Does Not Run
33
Dosing Pump Does Not Suck in
33
Dosing Pump Does Not Dose
33
Dosing Flow of the Pump Is Inaccurate
33
Dosing Curves
34
Disposing of the Product
34

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