Vaillant VIH GB uniSTOR Cylinders Instruction Manual

: June 9, 2024
: Vaillant

Vaillant VIH GB uniSTOR Cylinders

Product Information

The units or VIH GB …/3 BES is a system component designed for domestic hot water generation and storage for closed central heating installations. The product is intended for use by skilled tradesmen only and must be installed, inspected, maintained, and repaired by a competent person. Improper use of any kind is prohibited, and any other use not specified in the instructions shall be considered improper use. The product should not be used for direct commercial or industrial use. The installation, inspection, maintenance, and repair of the product, as well as the gas ratio and maintenance conditions listed in the instructions, must be carried out by a competent person. The product can be used by children aged 8 years and above and persons with reduced physical, sensory, or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning the safe use of the product and understand the hazards involved. Children must not play with the product.

Product Usage Instructions

**product Safety

**

Do not carry out any activities related to the product that are not specified in the operating instructions. Such activities may cause injury or death to the user or others or damage to the product and other property.

Children should not carry out any activities related to the product unless they are supervised. Improper operation of the product may present a danger to you and others and cause material damage. Carefully read the enclosed instructions and all other applicable documents, particularly the Safety section and the warnings.

**product Notes on Documentation

**

Observe other applicable temperature rules when handling the product.

Hot Water Generation
Switch on the hot water generation as per the instructions provided. Switch off the hot water generation when not in use.

product Troubleshooting

If you detect any faults, carefully read the troubleshooting section and follow the instructions to eliminate them.

product Care and Maintenance

Perform regular maintenance on the product as per the instructions provided. Take care of the product to ensure its longevity.

product Decommissioning

If you need to temporarily decommission the product, follow the instructions provided. If you need to permanently decommission the product, follow the instructions provided.

product Recycling and Disposal

Dispose of the product in accordance with local regulations. Recycle any parts that can be recycled.

product Guarantee and Customer Service

The product comes with a guarantee. If you require customer service, contact the manufacturer.

product Appendix

The appendix contains additional troubleshooting information.

product index

The index contains a list of topics covered in the operating instructions.

Safety

Intended use
There is a risk of injury or death to the user or others, or of damage to the product and other property in the event of improper use or use for which it is not intended.
The product is intended as a system component for domestic hot water generation and storage for closed central heating installations. Intended use includes the following:

observance of the operating instructions included for the product and any other installation components
compliance with all inspection and maintenance conditions listed in the instructions.

This product can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the product in a safe way and understand the hazards involved. Children must not play with the product. Cleaning and user maintenance work must not be carried out by children unless they are supervised. Any other use that is not specified in these instructions, or use beyond that specified in this document, shall be considered improper use. Any direct commercial or industrial use is also deemed to be improper.

Caution.
Improper use of any kind is prohibited.

General safety information

Installation by skilled tradesmen only
The installation, inspection,maintenance and repair of the product, as well as the gas ratio settings, must only be carried out by a competent person.

Danger caused by improper operation
Improper operation may present a danger to you and others, and cause material damage.

Carefully read the enclosed instructions and all other applicable documents, particularly the “Safety” section and the warnings.
Only carry out the activities for which instructions are provided in these operating instructions.

Risk of death due to changes to the product or the product environment

Never remove, bridge or block the safety devices.
Do not tamper with any of the safety devices.
Do not damage or remove any tamper-proof seals on components.
o not make any changes:
- The product itself
- The water and electricity supply lines
- to the expansion relief valve
- to the drain pipework
- to constructional conditions that may affect the operational reliability of the product

Risk of injury and material damage due to maintenance and repairs carried out incorrectly or not carried out at all

Never attempt to carry out maintenance work or repairs on your product yourself.
Faults and damage should be immediately eliminated by a competent person.
Adhere to the maintenance intervals specified.

Risk of burns or scalding caused by hot parts
Parts of the product become hot during operation.

Only touch the product and its parts once these have cooled down.

Risk of material damage caused by frost

Ensure that the heating installation always remains in operation during freezing conditions and that all rooms are sufficiently heated.
If you cannot ensure the operation, have a competent person drain the heating installation.

Notes on the documentation

Observing other applicable documents

Always observe all operating instructions enclosed with the installation components.

Storing documents

Store these instructions and all other applicable documents for further use.

Validity of the instructions
These instructions apply only to:

Product article number

Validity: Not Pre-plumbed

Product article number

Validity: Pre-plumbed

Benchmark

Vaillant is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimize safety, efficiency, and performance. Benchmark is managed and promoted by the Heating and Hotwater Industry Council. For more information visit www.benchmark.org.uk.

Please ensure that the installer has fully completed the Benchmark Checklist on the inside back pages of the installation instructions supplied with the product and that you have signed it to say that you have received a full and clear explanation of its operation. The installer is legally required to complete a commissioning checklist as a means of complying with the appropriate Building Regulations (England and Wales).

All installations must be notified to Local Area Building Control either directly or through a Competent Persons Scheme. A Building Regulations Compliance Certificate will then be issued to the customer who should, on receipt, write the Notification Number on the Benchmark Checklist. This product should be serviced regularly to optimize its safety, efficiency and performance. The service engineer should complete the relevant Service Record on the Benchmark Checklist after each service. The Benchmark Checklist will be required in the event of any warranty.

Product Description

Serial number

You can find the serial number on the data plate (1), which is located on the cylinder below the electronics box.

Information on the data plate

The data plate is attached to the product at the factory.
The data plate keeps a record of the country in which the product is to be installed.
This product meets the requirements of standard EN 12897:2016.

CE marking

The CE marking shows that the products comply with the basic requirements of the applicable directives as stated on the de-claration of conformity. The declaration of conformity can be viewed at the manufacturer’s site.

Hot Water Association
Vaillant is a full member of the Hot Water Association and promotes the scheme in association with its cylinder range. Details are available on the website www.vaillant.co.uk

Function

Setting the domestic hot water temperature

Condition: With control

Observe the instructions for the control. Depending on the control, you can set the domestic hot water temperature on the control.
Condition: Without control
Consult your competent person to adjust the domestic hot water temperature on the cylinder.

Switching off the hot water generation

Switch off the heat generator or the hot water generation at the heat generator or at the controller.

Troubleshooting

Detecting and eliminating faults

If problems occur whilst operating the product, you can carry out certain self-checks with the aid of the table in the appendix. Troubleshooting (→ Page 9)
If the product is not functioning correctly, even though you have checked the points listed in the table, contact a competent person to carry out troubleshooting.

Care and maintenance

Maintenance
An annual inspection of the product carried
out by a competent person is a prerequisite for ensuring that the product is permanently ready and safe for operation, reliable, and has a long working life.

Caring for the product

Clean the casing with a damp cloth and a little solvent-free soap.
Do not use sprays, scouring agents, detergents, solvents or cleaning agents that contain chlorine.

Decommissioning

Temporarily decommissioning the product

Temporarily decommission the product only if there is no risk of frost.
Switch off the heat generator or the hot water generation at the heat generator or at the controller.

Permanently decommissioning the product

Employ a competent person to permanently decommission the product.

Recycling and disposal

The competent person who installed your product is responsible for the disposal of the packaging.

Disposing of the product
If the product is labelled with this mark:

In this case, do not dispose of the product with the household waste.
Instead, hand in the product to a collection centre for waste electrical or electronic equipment.

Disposing of batteries
If the product contains batteries that are labelled with this mark:

In this case, dispose of the batteries at a collection point for batteries.
- Prerequisite: The batteries can be removed from the product without causing any destruction. Otherwise, the batteries are disposed of together with the product.
In accordance with the legal regulations, used batteries must be returned since batteries may contain substances that are harmful to health and the environment.

Guarantee and customer service

Guarantee
Vaillant provide a full parts and labour guarantee for this appliance – please see guarantee card for details. The appliances must be installed in accordance with The Water Regulations of:

England and Wales: Water (supply and fittings) Regulations 1999 within England and Wales
Scotland: The Water Byelaws
Eire: Compliance with IS standards and Local Council regulations
Compliance with the Building regulations:
England and Wales
Scotland
Northern Ireland
Eire

Terms and conditions apply to the guarantee, details of which can be found on the guarantee registration card included with this appliance. Failure to install and commission this appliance in compliance with the manufacturer’s instructions will invalidate the guarantee (this does not affect the customer’s statutory rights).

Customer service
For contact details for our customer service department, you can write to the address that is provided on the back page, or you can visit www.vaillant.co.uk.

Troubleshooting

Fault	Solution
Leak at the product	If possible, catch the liquid in a vessel and inform a

com- petent person.
A fault code ap- pears on the con- troller.| Inform a competent person.
Hot water temperat- ure too low.| Check the hot water temperature setting on the controller and check whether the heat generator has been switched on. If the problem persists, inform a competent person.
Leak at the expan- sion relief valve.| Inform a competent person.

Supplier Vaillant Ltd.