Andrews BUFFER-GL200-8 Manual

Important

Please read & understand all these instructions before commencing installation.

This buffer range does not incorporate an internal heat exchanger.

Please leave this manual with the customer for future reference

Andrews. Built toperform.

INSTALLATION AND SERVICE MANUAL

Glass Lined Buffers

10 bar, 2”-2.5”

8 bar

Contents

Installation & Commissioning

General Installation 12

Cold Water Supply 12

Secondary circulation and De-Stratification 13

Discharge Pipe work 15

Commissioning 19

Maintenance & Servicing

Maintenance requirements 19

Warranty

Warranty Termsand Conditions 20

Product Specification

Introduction

General requirements

Installation standards

Storage and handling

Before Installation

ErP data information

8 bar Buffer dimensions

10 bar Buffer dimensions

Weights

Standing Heatloss

Limitations

Product specification

Introduction

Congratulations on your purchase of an Andrews buffer vessel. The Andrews buffer products

are manufactured from top quality materials and meet all the latest relevant safety and

constructional standards.

General Requirements

IMPORTANT: Please read and understand this product guide before installing the Andrews

buffer vessel. Incorrect installation may invalidate the warranty*.

The Andrews buffer vessel must be Installed, Commissioned and Maintained by a competent

installer in accordance with Building Regulation G3 (England and Wales), Technical Standard

P3 (Scotland) or Building Regulation P5 (Northern Ireland) and the Water Fitting Regulations

(England and Wales) or Water Byelaws (Scotland).

* See Terms and Conditions of warranty

THIS APPLIANCE 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 APPLIANCE IN A SAFE WAY AND UNDERSTAND THE HAZARDS

INVOLVED. CHILDREN SHALL NOT PLAY WITH THE APPLIANCE. CLEANING AND USER

MAINTENANCE SHALL NOT BE MADE BY CHILDREN WITHOUT SUPERVISION

WARNING: Do not use if there is a possibility that the water in the buffer vessel is frozen.

Important Notice:

When installed with a KIWA approved unvented kit the Andrews buffer vessels are

approved as meeting current water regulations.

To satisfy these regulations when the kit is not supplied it will be required that the installer ensures

that all of the system components meet the required standards.

BS 6700 : Design, Installation, Testing and Maintenance for Domestic use within Buildings and

their Curtilages.

BS 7206 : Specification for Unvented Hot Water Storage Units and Packages.

BS EN 806 : Specifications for Installations inside Buildings Conveying Water for Human

Consumption.

BS EN 12897 : Specification for Indirectly Heated Unvented Storage.

Storage and Handling

Please take care when handling a packaged Andrews buffer vessel. The unit is heavy and

must only be moved manually within safe working practices. If the unit is to be stored before

installation, it must be placed on a secure, level surface and in a dry, frost freeenvironment.

Precautions to be carried out prior to commencement of work:

1. Tidyareaensuringthereis safeaccessandegresstoinstallation place, freefrom triphazards.

2. Be aware of other people who may be in thearea

3. Operate any machinery in accordance with training and operatinginstructions

4. Visually inspect the equipment prior to use, do not use damaged equipment.

5. Safe working practices are adopted for manual handling of appliances/parts

6. Correct PPE to be worn.

The Andrews buffer vessel unit must be vertically floor mounted. Areas that are subject to

freezing must be avoided. Ensure that the floor is level and of sufficient strength to support the

“full” weight of the unit when filled with water. Pipe runs should be kept as short as possible for

maximum economy. Access to associated controls and indirect controls should be possible for

servicing and maintenance of the system.

ErP data

Model(s)

200

300

500

800

1000

Energy efficiency class

Standing loss (kWh/24h)

1.34 1.61 2.23 2.14 2.76

Storage volume V in Litres

197

292

490

780

970

Table 3: ErP Data Information

Technical parameters in accordance with European Commission regulations 814/2013

and 812/2013

8 bar Glass Lined Buffers

200 & 300 Ltr

500 Ltr

800 & 1000 Ltr

10 bar Glass Lined Buffers

300 Ltr

500 Ltr

800 Ltr

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