Benchmark Centerstore 120 - User Manual

1
UNVENTED MAINS PRESSURE WATER HEATERS
120, 150, 170, 210, 250 and 300 LITRE CAPACITY INDIRECT MODELS
INSTALLATION AND SERVICING INSTRUCTIONS
PACK CONTENTS
The CENTERSTORE unvented cylinder water heater incorporating immersion heater(s) and thermal
controls l Factory fi tted temperature/pressure relief valve l Cold water combination valve assembly
l Expansion vessel and mounting bracket l Tundish l Motorised valve l Compression nuts and olives
l Immersion heater spanner l Installation instructions
IMPORTANT: PLEASE READ AND UNDERSTAND THESE INSTRUCTIONS
BEFORE COMMENCING INSTALLATION. PLEASE LEAVE THIS MANUAL
WITH THE CUSTOMER FOR FUTURE REFERENCE.
INTRODUCTION
The CENTERSTORE cylinder is a purpose designed un-
vented water heater. The unit has a stainless steel inner
vessel, which ensures an excellent standard of corrosion-
resistance. The outer casing is a combination of resilient
thermoplastic mouldings and plastic coated corrosion
proofed steel sheet. All products are insulated with CFC
free polyurethane foam to give good heat loss
performance. ( See Table 6 )
The unit is supplied complete with all the necessary
safety and control devices needed to allow connection
to the cold water mains. All these components are preset
and not adjustable.
NOTE: Prior to installation the unit should be stored
in an upright position in an area free from excessive
damp or humidity.
This appliance complies with the requirements of
the CE marking directive and is Kiwa approved to
show compliance with Building Regulations (Sec-
tion G3).
The following instructions are offered as a guide to
installation which must be carried out by a compe-
tent plumbing and electrical installer in accordance
with Building Regulation G3, The Building Standards
(Scotland) Regulations 1990, or The Building Regula-
tions (Northern Ireland).
THE BENCHMARK SCHEME
Benchmark places responsibilities on both manufacturers and installers. The purpose is to ensure that custom-
ers are provided with the correct equipment for their needs, that it is installed, commissioned and serviced in
accordance with the manufacturer’s instructions by competent persons and that it meets the requirements of
the appropriate Building Regulations. The Benchmark Checklist can be used to demonstrate compliance with
Building Regulations and should be provided to the customer for future reference.
Installers are required to carry out installation, commissioning and servicing work in accordance with the Bench-
mark Code of Practice which is available from the Heating and Hotwater Industry Council who manage and
promote the Scheme. Visit www.centralheating.co.uk for more information.
IMPORTANT NOTE TO USER: PLEASE REFER TO THE USER INSTRUCTIONS SECTION ON PAGES 13 AND 14 FOR IM-
PORTANT INFORMATION WITH RESPECT TO THE BENCHMARK SCHEME

Summary

Introduction

Unit Description

Describes the CENTERSTORE cylinder, its materials, and insulation.

Compliance and Regulations

Details CE marking, Kiwa approval, and Building Regulations compliance.

General Requirements

Siting the Unit

Guidelines for positioning the water heater for optimal performance and access.

Water Supply Requirements

Specifies minimum mains pressure and flow rate for the system.

Outlet and Terminal Fittings

Recommendations for connecting taps and other water outlets.

System Limitations

Lists applications and systems the unit should not be used with.

Installation

General Installation Guidelines

Covers pipe fittings, cold feed, expansion vessel, and secondary circulation.

Electrical Connections and Wiring

Details electrical supply, wiring diagrams, and connections for the unit.

Plumbing Setup and System Controls

Covers pipework, boiler compatibility, primary circuit, and system controls.

Outlet and Dimensions

Hot Water Outlet Connection

Describes the hot water outlet fitting and distribution pipework.

Unit Dimensions and Performance Data

Provides physical dimensions and performance specifications for different models.

Discharge Pipework

G3 Requirement for Discharge

Outlines the regulatory requirement for safe conveyance of discharge.

G3 Guidance on Discharge Pipework

Detailed guidance on sizing, installation, and termination of discharge pipes.

Discharge Pipe Sizing and Warnings

Worked Example of Discharge Pipe Sizing

Illustrates how to calculate appropriate discharge pipe size based on resistance.

Important Installation Warnings

Critical safety warnings regarding valve tampering and pipework.

Commissioning

Filling and System Checks

Step-by-step guide for filling the unit with water and performing system checks.

Maintenance Requirements and Safety Valves

Guidelines for regular maintenance and testing of safety valves.

User Instructions and Maintenance

Routine Maintenance Procedures

Procedures for strainer cleaning, immersion heater maintenance, and vessel pressure.

Re-commissioning and Safety Warnings

Steps for re-commissioning and critical user safety warnings.

Benchmark Scheme Overview

Details the Benchmark Scheme for quality installation and servicing.

Temperature Controls and Fault Finding

Thermostat Settings and Flow Performance

Explains thermostat settings, flow characteristics, and operational faults.

Servicing, Spare Parts, and Troubleshooting

Guidance on servicing, spare parts, and troubleshooting the system.

Other Information

Standing Heat Loss Data

Table showing standing heat loss for different nominal capacities.

Environmental Considerations

Information on product recyclability and insulation materials.

Commissioning Checklist

System Settings and Checks

Checklist items for primary settings, cold water, and all systems.

Unvented Systems and Installation

Checklist items specific to unvented systems and installation compliance.

Service Record

Service Provider Details and Comments

Section for recording service provider information and comments.

Guarantee Information

Vessel and Component Guarantees

Details the guarantee period and conditions for the vessel and components.

Technical Support and Spares

Contact Details for Support

Provides contact details for technical support and spare parts.

Benchmark Centerstore 120 Specifications

General

Brand	Benchmark
Model	Centerstore 120
Category	Water Heater
Language	English