Dimplex ECSd125-580 Mode d’emploi

Important - This manual must be left with the user after Installation!

EC-Eau Cylinder Range

Installation and User Instructions

Direct Electric and

Indirect Cylinders

Up to 300L

Installation and User Instructions R01127-10 01/16

Page 2

Dimplex 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 optimise safety,

efficiency and performance.

Benchmark places responsibilities on both manufacturers and installers. The

purpose is to ensure that customers 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 Benchmark Code of Practice which is available from the

Heating and Hot Water Industry Council who manage and promote the Scheme.

Visit www.centralheating.co.uk for more information.

The HWA Charter requires that all members adhere to the following:

supply fit for purpose products clearly and honestly described

supply products that meet, or exceed appropriate standards and

building and water regulations

provide pre and post sales technical support

provide clear and concise warranty details to customers

For further information on the HWA Charter Membership, please refer to the

HWA website www.hotwater.org.uk’

Overall View

Installation and User Instructions R01127-10 01/16

Page 3

0Overall View

Figure 1: Overall view of Direct Electric Cylinder Installation Process

Overall View

Installation and User Instructions R01127-10 01/16

Page 4

Figure 2: Overall view of Indirect Cylinder Installation Process

Installation and User Instructions R01127-10 01/16

Page 5

Contents

1Contents

0Overall View ...............................................................................................3

1Contents ....................................................................................................5

2Introduction ...............................................................................................7

3Scope of delivery ........................................................................................7

4Pre-Installation Advice .................................................................................9

4.1 Risk assessment ......................................................................................9

4.2 Siting considerations ................................................................................9

4.3 Cold water supply ..................................................................................10

4.4 Building regulation G3 Discharge requirements ..........................................11

4.4.1 Discharge pipe D2............................................................................12

4.4.2 Worked example..............................................................................13

4.4.3 Termination of discharge pipe ...........................................................14

4.5 Limitations ............................................................................................15

5Installation...............................................................................................15

5.1 Cold Water Inlet with Inlet Control Group..................................................15

5.1.1 Correctly site the cylinder .................................................................15

5.1.2 Install the inlet group.......................................................................15

5.1.3 Expansion vessel .............................................................................15

5.1.4 Balanced cold water supply ...............................................................16

5.1.5 Drain valve .....................................................................................16

5.2 Hot Water Outlet....................................................................................16

5.2.1 Thermostatic mixing valve ................................................................16

5.2.2 Pipe insulation.................................................................................16

5.3 Discharge pipes from safety devices .........................................................16

5.3.1 Discharge pipe D1............................................................................16

5.3.2 Discharge pipe D2............................................................................17

5.3.3 Tundish ..........................................................................................17

5.4 Immersion heater ..................................................................................18

5.5 Coil flow connections (indirect models only) ..............................................18

5.6 Coil return connections (indirect models only) ...........................................18

5.7 Thermostat connection (indirect models only)............................................19

5.8 Connection of Secondary Return ..............................................................22

6Commissioning .........................................................................................23

7Maintenance .............................................................................................24

8Spare Parts ..............................................................................................26

9Technical Data and Product Fiche ................................................................27

9.1 Cylinder heat exchanger pressure drop .....................................................33

Installation and User Instructions R01127-10 01/16

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Contents

10 User Instructions.......................................................................................34

10.1 General .............................................................................................34

10.2 Operation ..........................................................................................35

10.2.1Water temperature direct electric heating ...........................................35

10.2.2Water temperature auxiliary heating ..................................................36

10.3 Maintenance.......................................................................................36

10.4 Troubleshooting..................................................................................37

Scope of Delivery

Installation and User Instructions R01127-10 01/16

Page 7

2Introduction

Thank you for choosing a Dimplex

product. The EC-Eau direct electric and

indirect cylinders are specified with

high quality, long-life immersion

heaters and large surface area coils for

fast reheat times. They boast 60mm of

low GWP insulation foam, together with

100% recyclable stainless steel inner

components and a sleek black, hard

wearing outer shell manufactured from

completely recycled materials. For

more detailed information on product

features, please see the Technical Data

section in this manual.

NOTE: This product has been designed

specifically for the purpose of

delivering heated, domestic and

sanitary hot water as part of a

pressurised water heating system. The

package is provided with fittings that

comply with Section G3 of Building

Regulations.

WARNING: Dimplex cannot take

responsibility for ensuring safe

operation of the appliance outside

of the scope of intended use.ly

3Scope of delivery

Please ensure you check the scope of

delivery below before signing any

delivery documentation. Claims for

missing or damaged parts after signing

for the delivery will not be accepted.

* These items are supplied factory

fitted

Table 1: Scope of Delivery for Direct

Electric Cylinders

Table 2: Scope of Delivery Direct Cylinders

Installation and User Instructions R01127-10 01/16

Page 8

Scope of Delivery

* These items are supplied factory fitted

Table 3: Scope of Delivery for Indirect Cylinders

Installation and User Instructions R01127-10 01/16

Page 9

Pre-Installation

4Pre-Installation

Advice

Please read the following section

carefully before commencing

installation. If in any doubt, please call

the appropriate help desk.

Disregarding the instructions given in

this manual in its entirety and any

relevant regulations, standards and

codes of practice will void the

guarantee of this product.

Handling –depending on the size of

the unit and access to its installation

location, consideration must be given

to the handling of the unit. Please note

that handling, installation and use of

this product is subject to the Health

and Safety at Work Act.

If the unit is not installed immediately,

it should remain in its protective

packaging with all pipe protectors/end

caps applied to prevent damage and

dirt deposit inside the cylinder and the

coils.

Pipe work –the pipe runs should be

executed as short as possible, unused

pipe work should be removed and all

remaining pipe work should be lagged

in accordance with regulatory

requirements to prevent heat loss and

the formation of condensation.

Taps and fittings –all taps and

fittings incorporated in the unvented

system should have a rated operating

pressure of 0.6 MPa (6 bar) or above.

4.1 Risk assessment

The compilation of a risk assessment is

strongly recommended before

installing the product. The following

areas require particular consideration

in addition to the information required

by the Health and Safety at Work Act.

- scalding: where appropriate or

required by law a thermostatic

mixing valve is to be fitted to the hot

water outlet of the cylinder (see also

water borne organisms).

- explosion: the unit is fully equipped

with all relevant safety equipment to

comply with current regulations. The

correct design and function has been

verified by independent third party

testing. The correct application

thereof is the responsibility of the

competent installer.

- water borne organisms (i.e.

Legionella): if applicable a risk

assessment should be carried out

following the recommendations

outlined in the Approved Code of

Practice L8.

- the user preference must be

considered when commissioning the

system, in particular when adjusting

the solar and auxiliary system

temperature and timer settings.

4.2 Siting considerations

When choosing a suitable location for

the cylinder the following aspects

should be considered:

- structural integrity

- access for installation, operation,

maintenance and replacement

- routing of discharge pipe work

- access to water mains supply, hot

and cold water distribution pipe work

- access to suitable electricity supply

- location in relation to remaining

system components such as

auxiliary and solar heating system

Installation and User Instructions R01127-10 01/16

Page 10

Pre-Installation

- frost protection

The direct electric and indirect cylinder

ranges are designed to be floor

standing, vertically mounted, indoors

and in a frost free environment. The

cylinder may be located on any flat and

level surface, provided it is sufficiently

robust to support the weight of the

cylinder when full of water (please see

technical data) and suitably accessible

for replacement/maintenance without

specialist tools or lifting equipment as

this will void the warranty conditions.

The position and orientation of the

cylinder should be such that easy

access is provided for servicing the

controls. A minimum distance of

400mm in front of the immersion is

recommended, to allow the

replacement of the immersion heater

should the need arise. When installing

the cylinder all labels should be clearly

visible and ensure that no pipework

hinders any work to be carried out on

the various cylinder components.

Particular care must be taken when

placing the cylinder in a garage or

outbuilding. All exposed pipe work

must be correctly insulated to avoid

frost damage.

CLEANING INSTRUCTIONS:

Clean outer cladding of

cylinder with a soft cloth

dampened with warm water

only. Do not use abrasive or

aggressive cleaning

materials, such as alcohol or

petroleum based solvents, as

this may damage the surface

of the product.

4.3 Cold water supply

For satisfactory and safe performance

of the unvented cylinder the water

supply must meet the following

criteria:

Minimum dynamic

pressure

150 kPa

(1.5 bar)

Maximum inlet supply

pressure

1200 kPa

(12 bar)

Minimum flow rate

15 l/min

Max. chlorine content

250mg/L

Max. water hardness

200mg/L

The following instructions have to be

followed when installing the cold water

mains supply to the cylinder:

- The cold water supply to the cylinder

must come directly from the cold

water mains after the mains stop

valve to the property.

- The cold water inlet pipe work should

have at least an inside diameter of

19mm and should meet the

requirements of the water

regulations for the supply of

wholesome water.

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