Grundfos Vaccuperm VGS-141, Installation And Operating Instructions Manual

English (GB)

2

English (GB) 

Installation and operating instructions

Original installation and operating instructions

CONTENTS

Page

1. Of general interest

1.1 Structure of the documentation

The Grundfos device VGS-141 / VGS-143 / VGS-145 is a state-
of-the-art solution, which complies with recognised safety 
regulations.
Conformity with applicable standards, directives and laws has 
been verified. 
Nevertheless, certain risks which cannot be prevented by the 
manufacturer are associated with the use of the system.
Purpose of this manual: 
• Inform users of optimum use.
• Warn users of possible residual risks when using correctly and 

identify measures that should be taken to avoid damage.

• Caution users against obvious misuse or inappropriate use 

and inform them of the necessary care that must be taken 
when operating the system.

1.2 About this manual

This manual contains the following standardised safety 
instructions about possible residual risks:

Information about possible residual risks is provided:
• On warning signs displayed in the installation location.
• At the start of each section in this manual.
• Directly before any operating procedures that could involve 

residual risks.

1.3 User/target groups

Users are persons who are responsible for operating and 
monitoring the device VGS-141 / VGS-143 / VGS-145 at the 
installation location. The system may only be operated by trained 
and qualified personnel. Personnel must have appropriate 
technical knowledge and be familiar with the basic principles of 
measuring and control technology.

1.3.1 Responsibilities of the users

The users’ responsibilities: 
• Read this manual before operating the VGS-141 / VGS-143 / 

VGS-145.

• Be trained by qualified personnel from Grundfos in the 

operation of the system.

• Observe the recognised regulations governing safety in the 

workplace and accident prevention.

• Wear appropriate protective clothing in accordance with 

national regulations for the prevention of accidents when 
operating the system and handling chemicals
(German GUV-V D05).

1.

Of general interest

2

1.1

Structure of the documentation

2

1.2

About this manual

2

1.3

User/target groups

2

1.4

Responsibilities of the operator

3

1.5

Maintenance and service personnel

3

1.6

Correct usage

3

1.7

Inappropriate usage

3

2.

Handling chlorine

3

2.1

Physical and chemical data

3

2.2

Safety advice for handling chlorine

4

2.3

Checking the tightness

6

2.4

Constructional requirements of chlorination plants

6

2.5

Principle function of the components

7

2.6

List of valid laws and regulations (in Germany)

8

2.7

Recommended diameter

9

3.

Technical Data

10

3.1

General Data

10

3.2

Data of the accessory components

10

3.3

Dimensioned drawing

12

4.

Installation

13

4.1

Transport and storage

13

4.2

Unpacking

13

4.3

Storage/Downtimes

13

4.4

Installation

13

4.5

Replacing the electrical servomotor

14

5.

Commissioning

14

5.1

Preparations for commissioning

14

5.2

Checks before commissioning

17

6.

Operation

19

6.1

Description of the system

19

6.2

Increasing the dosing flow manually

20

6.3

Reducing the dosing flow manually

20

6.4

Engaging the servomotor

20

6.5

Disengaging the servo motor

20

6.6

Operating the servomotor

20

6.7

Adjusting the Servomotor (option)

22

6.8

Switching on

23

6.9

Switching off

23

6.10 Possible faults

24

7.

Maintenance

24

7.1

Maintaining the servomotor

24

8.

Disposal

24

Warning
These complete installation and operating 
instructions are also available on 
www.Grundfosalldos.com.
Prior to installation, read these installation and 
operating instructions. Installation and operation 
must comply with local regulations and accepted 
codes of good practice.

Warning
If these safety instructions are not observed, it may 
result in personal injury!

Caution

If these safety instructions are not observed, it may 
result in malfunction or damage to the equipment!

Note

Notes or instructions that make the job easier and 
ensure safe operation.