WATTS VB20 Series Boiler Manifold Installation FEATUREDInstallation Guide

WATTS VB20 Series Boiler Manifold Installation FEATURED

General information

Important information about the installtion and operating manual

NOTICE :

The operator is responsible for ensuring adherence to the local laws and regulations (e.g. accident prevention regulations, etc.).
Incorrect operation or operating the VB20 contrary to the specifications shall void all rights to any warranty claim.

This installation and operating manual

• forms a component of the VB20
• contains instructions and information on safe and correct installation and commissioning of the VB20
• must be available to all users throughout the entire service life of the VB20
• is intended for trained personnel who are familiar with the applicable standards and provisions and, in particular, with the relevant safety concepts and the operation and mainte-nance of the VB20
• is protected by copyright and may not be altered without the manufacturer’s permission
• may not be made accessible to non-authorized personnel, either in original form or as a copy

Product conformity
A declaration of conformity in accordance with the Machinery Directive 2006/42/EC has been issued for this VB20 manifold bar product.
Product features

• Stable mounting bracket (optional)
• EPP insulation shell
• all system connections 1” flat-sealing
• Compact, space-saving design.

Technical data

5195
Dimensions|
Width x height x depth without EPP shell| VB20-2: 406 x 131 x 70 mm

VB20-3: 647 x 131 x 70 mm

Width x height x depth with EPP shell| VB20-2: 480 x 154 x 193 mm

VB20-3: 721 x 154 x 193 mm

Weight| VB20-2 / VB20-3
Total weight excluding packaging| 3.8 kg / 6.3 kg
Total weight incl. packaging| 4.3 kg / 6.8 kg
Connections to pipe network|
Connections to heating circuit side| 1” union nut, flat sealing
Connections to boiler side| 1” male thread, flat sealing
Nominal width| DN20
Materials|
Manifold| tubular steel
Union nut| CW617N
End cap| CW617N
Flat seal| AFM 34/2
Heat insulation shell| EPP
Flow coefficient (Cv) values|
 | VB20-2
1 outflow open| 11 m³/h
2 outflows open| 14 m³/h
 | VB20-3
1 outflow open| 11 m³/h
2 outflows open| 13.5 m³/h
3 outflows open| 15.5 m³/h

Safety

Depiction of safety information

DANGER indicates an imminent danger that may cause serious physical injury or death if the appropriate safety precau-tions are not in place.
WARNING indicates a danger arising through incorrect behavior (e.g. misuse, disregarding notices, etc.) that may cause serious physical injury or death.
CAUTION indicates a potentially danger-ous situation that may cause minor or slight injuries if the appropriate safety precautions are not in place.
NOTICE indicates a situation that may cause material damage if the correspond-ing precautions are not taken.

Important safety information

• Before using the manifold, read this operating manual through carefully.
• Maintenance, cleaning and repair work may be carried out by trained specialist personnel only.
• The VB20 must not be used if it is damaged or is no lon-ger operating correctly. In this case, contact your specialist dealer immediately.
• Observe the maintenance instructions and intervals.
• Protect the VB20 from adverse weather.
• Never use the VB20 out of doors.
• The unit may be used only in accordance with its intend-ed use.

Intended use
Manifold bar for HKM20/HK20 pump groups.
The VB20 is not intended to be operated by people (includ-ing children) with physical, sensory or mental disabilities, nor by people with insufficient experience or without specialist knowledge.

Foreseeable misuse
The following is considered to be foreseeable misuse:

• Operation of the VB20 outside its specifications
• Use of the VB20 for other than its intended purpose
• Modifications to the VB20 that were not agreed with the manufacturer
• Use of replacement or wear parts that were not approved by the manufacturer
• Operating the VB20 out of doors (parts and components are not UV-resistant)

Responsibilities of the operator
The operator must ensure that:

• the VB20 is used only for its intended purpose
• the VB20 is installed, operated and maintained in accor-dance with the specifications in the installation and operat-ing manual
• the VB20 is operated only in compliance with local regula-tions and occupational health and safety regulations
• all precautions are taken to prevent hazards that could be caused by the VB20
• all precautions for first aid treatment and fire-suppression are carried out
• only authorized and trained users have access to the VB20 and operate it
• users have access to this installation and operating manual at all times

Personnel groups
Only qualified persons may operate the VB20 or perform ser-vice and maintenance work on it.
Operator
An operator is deemed to be qualified if they have read these operating instructions and understood the potential hazards associated with improper behavior.
Fitter/commissioning engineer
A fitter or commissioning engineer is in a position, taking into consideration the applicable standards, provisions, regula-tions and laws and his/her technical training and technical knowledge, to carry out work on the VB20 and to detect and prevent potential hazards.
Information on the operating environment
Limescale deposits (from hard water), corrosion and chemical and physical reactions can damage the VB20.
The system planner is responsible for evaluating these parameters and developing workarounds.

Installation

Installation and commissioning of the VB20 may be carried out only by trained personnel who have been authorized by the manufacturer.
When repairing the unit or replacing parts, be sure to observe the specified installa-tion positions and flow directions of the parts being replaced.
Material damage
Pressure shocks may occur if the stop valve is opened quickly.

• Always open the stop valve slowly and in a controlled way.

All screw fittings must be checked and tightened if nec-essary prior to installation and commissioning.
Torque:

• 1” screw fittings 55 Nm

Without wall bracket

1. Remove the front cladding of the manifold bar.
2. Close the heat-circuit connections flat-sealing, using the 1” union nut.
3. Close the boiler-side connections G 1” flat-sealing.

Optionally with wall bracket

1. Bolt the wall bracket to the wall.
2. Push the rear shell of the insulation onto the wall bracket.
3. Insert the manifold bar.
4. Push the front shell of the insulation onto the manifold bar.

Installation variants

1. Flow side heating circuit
2. Return side heating circuit
3. Flow side primary
4. Return side primary

Power curves

Maintenance

Hot water
Severe scalds possible. Do not reach into the hot water when emptying the VB20. Allow the VB20 to cool before carrying out maintenance, cleaning or repair work.

Hot surfaces
Serious burns possible. Do not touch the pipelines or components during operation. Allow the VB20 to cool before carrying out maintenance, cleaning or repair work. Wear heat-resistant safety gloves if it is necessary to carry out work on hot components.

NOTICE :Maintenance of the VB20 may be carried out only by trained personnel who have been authorized by the manufacturer.

Annual maintenance intervals
General visual inspections

• Check the VB20 for leaks and retighten sealing connec-tions or replace seals where necessary.

Actions following maintenance work

• Check that all loosened screw connections have been retightened; if necessary, retighten.
• Remove all tools, materials and other equipment used from the working area.
• Fill and ventilate the unit.

Replacement of wear parts
Please note that the VB20 contains parts that are subject to wear for technical reasons, depending on the intensity of use, and even where the specified care and maintenance have been observed.
This especially applies to mechanical parts and parts that come into contact with water and steam, such as hoses, seals, valves, etc. By their nature, defects caused by wear do not constitute a fault and are therefore not covered by the warranty or any guarantee. Nevertheless, these defects and malfunctions must be remedied only by trained specialist personnel. For these purposes please contact your dealer.

Disposal

WARNING
Potential for contamination of the envi-ronment and groundwater from improp-er disposal
The regulations and guidelines in force in the country of operation must be com-plied with when disposing of components and operating materials.

1. Professionally disassemble the VB20 or commission a specialist company with this task.
2. Sort the sub-assemblies and component parts into recy-clable materials, hazardous substances and operating materials.
3. Dispose of the sub-assemblies and components in accor-dance with local laws and regulations or take them to be recycled.

Return shipment to the manufacturer
If you wish to return the VB20 or parts of it, please contact the manufacturer first.

Reporting to administrative bodies and the manufacturer

For statistical purposes please notify the manufacturer if you intend to decommission and dispose of the VB20.

Warranty

WATTS products are tested extensively. WATTS therefore guarantees only the replacement or, at the sole discretion of WATTS, the free-of-charge repair of components of the supplied products where these, in the opinion of WATTS, exhibit verifiable manufacturing faults. Warranty claims due to defects or defects of title may be asserted within one (1) year of delivery/transfer of risk. Excluded from the warran-ty are damages attributable to normal product wear or fric-tion and damages resulting from modifications or non-au-thorized repairs on the products, for which WATTS rejects all claims for compensation (direct or indirect). (For more detailed information, please refer to our website.) In all cases supply is subject to the General Terms and Conditions, which can be found on www.wattswater.de.

References

• Watts Industries Deutschland GmbH
• Watts Industries Deutschland GmbH

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