Dimplex Unvented Water Heater installation manual Dimplex Water Heater Specifiers Guide

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Dimp-15278-SCx_Instructions 31/3/06 9:32 am Page 3

TECHNICAL DATA & INSTALLATION

INSTRUCTIONS FOR SCx DIRECT & INDIRECT

IMPORTANT NOTICE FOR INSTALLATION

DIMPLEX WATER HEATER SPECIFIERS GUIDE

UNVENTED WATER HEATERS

Your water heater is made from Duplex Stainless Steel, which is one of the toughest and best grades of steel currently available.

Each unit has been individually tested and inspected to industry standard.

Your water heater uses advances in technology and innovative techniques to provide you with a high performance water heater at the best price possible.

No other type of water heater can provide all of the benefits that can be achieved from unvented units such as the SCx Unvented Water Heater.

READ THESE INSTALLATION AND MAINTENANCE

INSTRUCTIONS BEFORE COMMENCING

UNVENTED CYLINDERS ARE DESIGNED TO BS STANDARD AND

INSTALLED TO RELEVANT BUILDING REGULATIONS

THE RELEVANT REGULATIONS ARE

ENGLAND & WALES – BUILDING REGULATION G3

SCOTLAND – TECHNICAL STANDARD P3

NORTHERN IRELAND – BUILDING REGULATION P5

AFTER INSTALLATION THE BENCHMARK LOG BOOK MUST BE COMPLETED AND LEFT ALONG WITH THESE INSTRUCTIONS WITH THE HOUSEHOLDER FOR FUTURE REFERENCE.

INSTALLATION INSTRUCTION MANUAL

TO BE LEFT WITH THE UNIT

THE LAW AND UNVENTED

It is legal to fit an Unvented Unit into any property. UK water byelaws were amended to allow this change. There is no longer a requirement to have an old-fashioned “Tank-in-the-Roof” system.

THE BENEFITS OF UNVENTED SYSTEMS

A real Power Shower without a noisy pump

No tanks in the roof – no ballcocks to jam or leak – no

noise from tank filling

All your water – hot and cold – is direct from the mains

Site the SCx unvented water heater wherever convenient

SCx fills your bath in minutes and will run two at the same

time (subject to good plumbing and flow rates)

THE BENEFITS OF DIMPLEX SCx UNVENTED WATER HEATERS

Annual inspection as per warranty

Duplex Stainless Steel

High quality finish

Has one of the lowest heat losses for maximum economy

No sacrificial anode - low maintenance

INSTALLATION INSTRUCTIONS

Siting the SCx Unit

p4

Check water pressure & flow rates

p4

Connecting the water supply

p5

Cold water valve

p5

Drain tap

p5

Pipework to taps

p5

The SCx unit works off electricity (economy 7) or any oil or

gas fired boiler (not suitable for solid fuel boilers)

Indirect Heat Exterior Reference Dimensions

 

 

574

Note:

 

 

 

 

 

45

 

 

All External Exposed

 

 

 

Pipework is 22mm Diameter

 

 

 

316L Stainless Steel

Secondary circulation

p5

Wiring

p7

Fitting immersion heaters

p7

Fitting the thermal cut out & primary connections

p7

Reference

Tank

Overall

P&T

Bottom

Top

Bottom

Temp

Water

Top

Volumes

Height

Height

Valve

Heater

Coil

Coil

Monitor

In

Heater

litres

mm

mm

mm

mm

mm

mm

mm

mm

mm

80

636

681

347

188

N/A

283

233

230

N/A

 

 

 

 

 

 

 

 

 

 

130

928

973

618

188

558

483

357

230

521

 

 

 

 

 

 

 

 

 

 

Overall Height

Tank Height

Valve

Tundish

p8

Commissioning the SCx Unit

p8

External expansion vessel

p8

Scale

p8

Draining

p8

Discharge pipework

p8

G3 Requirement

p9

150

1056

1101

737

188

558

483

357

230

640

175

1213

1258

883

188

758

683

458

230

786

215

1455

1500

1108

188

758

683

507

230

1011

 

 

 

 

 

 

 

 

 

 

255

1723

1768

1356

188

758

683

608

230

1259

305

1999

2044

1613

188

758

683

608

230

1516

Bottom Heater

 

Water Inlet

 

Twin Thermostat

 

 

 

 

 

 

Bottom Coil

Top Coil

P & T

45

 

 

574

CONTENTS

SPECIFIERS GUIDE

The law and unvented

p3

The benefits of unvented systems

p3

The benefits of Dimplex Unvented Water Heaters

p3

Standard energy losses

p4

What is supplied with the SCx unit?

p4

Problem solving

p10

Spares

p10

Part component references

p10

Guarantee

p11

DIAGRAMS

Dimensional data for DH / IDH

 

range of water heaters

p3

Typical installation of a DH tank

p5

Typical installation of a IDH tank

p5

Secondary circulation connection

p6

2 x 2 port (S-plan) valve system

p6

2 port valve + 3 port mid position valve (y-plan)

p7

Immersion heater

p7

Schematic discharge pipe arrangement

p8

Direct Heat Exterior Reference Dimensions

Reference

Tank

Overall

P&T

Top

Bottom

Water

Volumes

Height

Height

Valve

Heater

Heater

In

litres

mm

mm

mm

mm

mm

mm

 

 

 

 

 

 

 

80

636

694

347

N/A

250

230

 

 

 

 

 

 

 

130

928

986

618

521

188

230

150

1056

1114

737

640

188

230

 

 

 

 

 

 

 

175

1213

1271

883

786

188

230

215

1455

1513

1108

1011

188

230

 

 

 

 

 

 

 

255

1723

1781

1356

1259

188

230

305

1999

2057

1613

1516

188

230

 

 

 

 

 

 

 

Dimensional data for Indirect Heat/Direct Heat range of water heaters

Overall Height

Tank Height

Note:

All External Exposed Pipework is 22mm Diameter 316L Stainless Steel

Heater

P & T Valve

Top

 

Bottom Heater

 

Water Inlet

 

 

2

3

Image 2
Contents Dimplex Dimplex Water Heater Specifiers Guide Secondary Circulation Connecting the Water SupplySCx Performance Check Water Pressure & Flow RatesFitting the Thermal CUT-OUT Primary Connections WiringFitting Immersion Heaters External Expansion Vessel Optional Worked Example of Discharge Pipe SizingSpares Guidance in the Event of a ProblemProblem Solving PART/COMPONENT References

Unvented Water Heater specifications

The Dimplex Unvented Water Heater is a cutting-edge solution for modern water heating needs, providing efficient and reliable hot water without the complications of traditional tank systems. This innovative device is designed to deliver a continuous supply of hot water, catering to domestic and commercial applications alike.

One of the standout features of the Dimplex Unvented Water Heater is its capacity to store and deliver hot water at high pressures. This means users can enjoy powerful showers and effective taps without the fluctuations often experienced with older systems. The heater is available in various capacities, allowing it to be tailored to meet the specific hot water demands of any household or facility.

The technology behind the Dimplex Unvented Water Heater includes a highly efficient heating element, which ensures quick recovery times and lower energy consumption. With advanced insulation techniques, the heater minimizes heat loss, thus enhancing overall efficiency. This not only helps to reduce energy bills but also contributes to a more environmentally friendly solution.

Safety is a top priority in the design of the Dimplex Unvented Water Heater. It features built-in safety systems, such as pressure relief valves and thermal cut-outs, to protect against overheating and excessive pressure, ensuring peace of mind for users. Additionally, the unit is easy to install, favoring a compact design that can fit into various settings, making it suitable for both new installations and retrofitting to existing systems.

Another characteristic worth noting is the user-friendly interface. The Dimplex Unvented Water Heater often includes an onboard control panel, allowing users to set and monitor temperatures easily. Some models may come with smart technology integration, enabling remote operation and management through mobile devices.

Maintenance is also simplified with the Dimplex Unvented Water Heater, as it is designed for easy access to components when servicing is required. This helps ensure longevity and optimal performance over time.

In summary, the Dimplex Unvented Water Heater stands out for its efficiency, safety features, and advanced technology, making it a smart choice for anyone looking to upgrade their hot water system. Robust, reliable, and designed with user convenience in mind, this water heater meets the demands of contemporary lifestyles seamlessly.