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EN

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VB25-32-IM-DE-W-UK-05-2023-Rev.1 | Part no. 10025989

Contents

1

General Information .......................................................

2

1.1

Important information about the installation and operat-
ing manual.....................................................................

2

1.2

Product conformity ........................................................

2

1.3

Product features............................................................

2

2

Safety............................................................................

3

2.1

Safety notices................................................................

3

2.2

Important safety instructions..........................................

3

2.3

Intended use .................................................................

3

2.4

Foreseeable misuse.......................................................

3

2.5

Responsibilities of the operator......................................

3

2.6

Groups of persons.........................................................

3

3

Technical data ...............................................................

4

4

Pressure loss curves .....................................................

5

5

Dimensions ...................................................................

7

6

Installation .....................................................................

7

6.1

Installation without wall bracket .....................................

7

6.2

Installation with wall brackets (optional)..........................

7

6.3

Installation variants ........................................................

8

7

Maintenance..................................................................

9

7.1

Annual maintenance intervals ........................................

9

7.2

Replacement of wear parts............................................

9

8

Disposal ........................................................................

10

8.1

Notification of administrative bodies and the manufac-
turer ..............................................................................

10

8.2

Return to the manufacturer............................................

10

9

Warranty........................................................................

10

1 General Information

1.1 Important information about the installation and

operating manual

 NOTICE

The plant operator is responsible for ensuring compliance
with the local laws and regulations (e.g. accident prevention
regulations, etc.).

Incorrect operation or operating the product (Boiler manifold
VB25/32) outside the specifications invalidates all warranty claims.
This Installation and Operating Manual

is the component of the product (VB25/32);

contains instructions and information on safe and correct in-
stallation and commissioning of the product (VB25/32);

must be available to all users throughout the entire service life
of the product (VB25/32);

is intended for trained personnel who are familiar with the ap-
plicable standards and provisions and, in particular, with the
relevant safety concepts and the operation and maintenance
of the product (VB25/32);

is protected by copyright and may not be changed without the
manufacturer’s permission.

1.2 Product conformity

For the product (Boiler manifold VB25/32), conformity according
to Machinery Directive 2006/42/EC is declared.

1.3 Product features

EPP insulating shell.

All connections to the system the external thread G 1½ flat
sealing.

Stable mounting bracket (optional).

Summary of Contents for VB25/32 Series

Page 1: ...Series VB25 32 Boiler manifold for pump groups FlowBox DN 25 32 Installation and operating manual EN WattsWater eu...

Page 2: ...perator is responsible for ensuring compliance with the local laws and regulations e g accident prevention regulations etc Incorrect operation or operating the product Boiler manifold VB25 32 outside...

Page 3: ...ary to the specifications Improper use of the product VB25 32 Modifications to the product VB25 32 that were not agreed with the manufacturer Using replacement or wear parts not approved by the manu f...

Page 4: ...mm 810 x 157 x 80 mm 1110 x 157 x 80 mm 1410 x 157 x 80 mm Total weight excluding packaging 5 6 kg 8 4 kg 12 4 kg 16 5 kg including packaging 5 9 kg 8 8 kg 13 2 kg 17 4 kg Connections to pipe net wor...

Page 5: ...100 1 000 100 1 000 10 000 mbar Pressure loss L h Flow rate 1 outlet open Kvs 15 2 m h 2 outlets open Kvs 20 1 m h VB25 32 2 1 10 100 1 000 100 1 000 10 000 mbar Pressure loss Flow rate L h 2 outlets...

Page 6: ...4 1 outlet open Kvs 14 8 m h 2 outlets open Kvs 21 2 m h 3 outlets open Kvs 24 0 m h 4 outlets open Kvs 24 1 m h 1 10 100 1 000 100 1 000 10 000 VB25 32 5 Pressure loss mbar Flow rate L h 1 oultet op...

Page 7: ...sure to observe the specified installation positions and flow directions of the parts being replaced CAUTION Material damage Opening shut off valves quickly produces pressure surges Always open shut o...

Page 8: ...Part no 10025989 6 3 Installation variants A B A B C D E A B B A C D E 180 180 B A A B E C D E B A B A D C A Return heating circuit B Supply heating circuit C Return boiler circuit D Supply boiler ci...

Page 9: ...product VB25 32 for leaks and retighten sealing connections or replace seals as required Actions following maintenance work 1 Check that all screw fittings that were unscrewed have been retightened a...

Page 10: ...ion a specialist company to do so 2 Sort the assemblies and component parts into recyclable ma terials hazardous substances and operating materials 3 Dispose of the assemblies and components in accord...

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