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DMX 226
Grundfos DMX 226 User Manual
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29
V6.0
DMX model 226 en
7.2.10
Maintenance
!
WARNING
Do not open electronics or sensor!
Repair only by authorized qualified personnel.
❏
Sensor
•
Clean it in case of malfunction.
•
If it still does not operate correctly:
Replace sensor.
Description
Optosensor with 3 m cable
❏
Electronics
-
No maintenance possible by the user.
•
If it does not operate correctly:
Call Grundfos service.
!
WARNING
Repair only by authorized qualified personnel.
28
30
Table of Contents
Default Chapter
4
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
Application of the Product
9
Obligations of the Operating Authority
9
Averting Dangers
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
Replacing the Gear Grease
33
Rates for Cleaning and Maintenance
33
Cleaning the Suction and Pressure Valves
33
Exchanging the Diaphragm
34
Appendix Dosing Curves
35
4
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Grundfos DMX 226 Specifications
General
Brand
Grundfos
Model
DMX 226
Category
Water Pump
Language
English
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