Dimplex ECSd250ST-580 Handleiding

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

EC-Eau Cylinder Range

Installation and User Instructions

Solar Direct, Solar Indirect and

Solar Heat Pump Cylinders

Up to 300L

Installation and User Instructions R01128-8 09/15

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’

Installation and User Instructions R01128-8 09/15

Page 3

Overall View

0 Overall View

Figure 1: Overall view of Cylinder Installation process Solar Direct

Installation and User Instructions R01128-8 09/15

Page 4

Overall View

Figure 2: Overall view of Cylinder Installation process Solar Indirect

Installation and User Instructions R01128-8 09/15

Page 5

Overall View

Figure 3: Overall view of Cylinder Installation processSolar Heat Pump

Installation and User Instructions R01128-8 09/15

Page 6

Contents

1 Contents

0 OVERALL VIEW ...........................................................................................3

1 CONTENTS .................................................................................................6

2 INTRODUCTION ........................................................................................ 11

3 SCOPE OF DELIVERY ................................................................................. 12

4 PRE-INSTALLATION ADVICE ....................................................................... 15

4.1 R ISK ASSESSMENT ..................................................................................... 15

4.2 S ITING CONSIDERATIONS............................................................................. 15

4.3 C OLD WATER SUPPLY .................................................................................. 16

4.4 B D UILDING REGULATION G3 ISCHARGE REQUIREMENTS......................................... 17

4.4.1 Discharge pipe D2 ........................................................................ 18

4.4.2 Worked example ..........................................................................19

4.4.3 rmination of discharge pipe Te ........................................................ 20

4.5 L IMITATIONS............................................................................................ 21

5 INSTALLATION .......................................................................................... 21

5.1 C W I I C G OLD ATER NLET WITH NLET ONTROL ROUP ............................................... 21

5.1.1 Correctly site the cylinder .............................................................. 21

5.1.2 Install the inlet group .................................................................... 21

5.1.3 Expansion vessel .......................................................................... 21

5.1.4 Balanced cold water supply ............................................................ 22

5.1.5 Drain valve .................................................................................. 22

5.2 H W O OT ATER UTLET ..................................................................................22

5.2.1 Thermostatic mixing valve ............................................................. 22

5.2.2 Pipe insulation .............................................................................. 22

5.3 D ISCHARGE PIPES FROM SAFETY DEVICES .......................................................... 22

5.3.1 Discharge pipe D1 ........................................................................ 22

5.3.2 Discharge pipe D2 ........................................................................ 23

5.3.3 Tundish ....................................................................................... 23

5.4 I MMERSION HEATER....................................................................................24

5.5 S OLAR COIL CONNECTIONS ........................................................................... 25

5.6 A UXILIARY COIL CONNECTIONS ...................................................................... 25

5.7 T HERMOSTAT CONNECTION ........................................................................... 26

5.7.1 Auxiliary loop wiring schematic (indirect cylinder only) ...................... 27

5.7.2 Solar loop wiring schematic (direct and indirect cylinders) ................. 28

5.7.3 Solar sensor connection ................................................................. 29

5.8 C S R ONNECTION OF ECONDARY ETURN.............................................................. 34

6 COMMISSIONING ...................................................................................... 35

7 MAINTENANCE .......................................................................................... 36

8 SPARE PARTS ........................................................................................... 38

9 TECHNICAL DATA AND PRODUCT FICHE ...................................................... 39

Installation and User Instructions R01128-8 09/15

Page 7

Contents

9.1 C YLINDER HEAT EXCHANGER PRESSURE DROP ..................................................... 48

10 USER INSTRUCTIONS ................................................................................ 50

10.1 G ENERAL ............................................................................................. 50

10.2 O PERATION .......................................................................................... 51

10.2.1 Water temperature direct electric heating ........................................ 51

10.2.2 Water temperature auxiliary heating ............................................... 52

10.3 M AINTENANCE ....................................................................................... 52

10.4 T ROUBLESHOOTING................................................................................. 53

Installation and User Instructions R01128-8 09/15

Page 8

Important Information

Precaution: “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 understanding the hazards involved. Children shall

not play with the appliance. Cleaning and user

maintenance shall not be made by children without

supervision.”

Note: Between the

inlet group and the

cold water inlet on the

cylinder isolating NO

device may be fitted,

as by doing so

important safety

devices could be

isolated!

It is important to

check the pre-charge

pressure of the

expansion vessel

membrane before

filling the cylinder.

This has been factory

set to 3 bar. The pre-

charge should be

greater than or equal

to 3 bar.

It is important that the

tundish is positioned

away from any

electrical components.

Note: Means for

electrical

disconnection must be

incorporated in the

fixed wiring in

accordance with the

wiring rules.

Before removing the

cover from the

immersion heater

isolate appliance using

isolating switch!

Danger of electrical

shock! Only use

suitable electrically

insulated equipment

Installation and User Instructions R01128-8 09/15

Page 9

Important Information

when working inside

immersion housing.

Note: The cylinder

must be filled with

water before switching

on the immersion

heater. Failure to do so

will damage the

element and void any

guarantee on the

product.

The maintenance of

this appliance must

be carried out by a

suitably qualified

person only. It is

recommended to

maintain the unit on

an annual basis.

Isolate all electrical

supplies from the

unit before

commencing work.

Danger of electrical

shock!

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.

Temperature setting: A

high level cutout is

fitted to the product for

each heat source. This

should never activate

under normal

operation. The

maximum possible

cylinder temperature

attainable by the heat

pump is 65°C as set on

the User Interface. The

back-up immersion

heater can produce up

to 72°C at its maximum

setting, i.e 5. For

Installation and User Instructions R01128-8 09/15

Page 10

Important Information

convenience the

immersion heater is

preset to produce

60°C.

If an electronic copy of

this manual should be

required, please contact

the manufacturer at the

address at the back of this

manual.

Note: This appliance is

intended to be

permanently

connected to the water

mains and not

connected by a hose-

set.

Dimplex cannot take

responsibility for ensuring

safe operation of the

appliance outside of the

scope of intended use.ly

Installation and User Instructions R01128-8 09/15

Page 11

Important Information

2 Introduction

Thank you for choosing a Dimplex

product. The EC-Eau solar cylinders are

specified with large, high surface area

heat exchangers, specifically sized to

match the requirements of Dimplex

solar systems. 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.

Installation and User Instructions R01128-8 09/15

Page 12

Important Information

3 Scope 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

Table 1: Scope of Delivery for CylindersSolar Direct

* These items are supplied factory fitted

Installation and User Instructions R01128-8 09/15

Page 13

Scope of Delivery

Table 2: Scope of Delivery for CylindersSolar Indirect

* These items are supplied factory fitted

Installation and User Instructions R01128-8 09/15

Page 14

Scope of Delivery

Table 3: Scope of Delivery for Cylinder Solar Heat Pump

* These items are supplied factory fitted

** Only part of the scope of delivery when not supplied as a Dimplex Heat Pump

package

Installation and User Instructions R01128-8 09/15

Page 16

Pre-Installation

- frost protection

The solar cylinder range designed to is

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.

Installation and User Instructions R01128-8 09/15

Page 17

Pre-Installation

Dimplex recommend an annual

maintenance inspection carried out is

on the domestic hot water cylinder. In

hard water areas this should include

inspection of the heat exchanger and

immersion heater, [above 120ppm or

120mg/l]. A local water treatment

company should be able to offer free

water quality testing. The heating

elements may require periodic de-

scaling. The installer should do this as

part of a maintenance agreement.

If required, precautions can be taken

to minimise effects of water hardness,

i.e. installation of water conditioner or

water softener. These devices should

be installed in hard water areas where

high water storage temperatures are

required, i.e. greater than 60°C

storage temperatures, particularly

when water hardness exceeds

200ppm. Should the water cylinder

require de-scaling, this must be

performed by a qualified technician.

4.4 Building regulation G3

Discharge

requirements

As part of the requirements of Building

Regulation G3 any discharge from an

unvented system should be conveyed

to where it is visible, but will not cause

danger to persons in or about the

building. The tundish and the discharge

pipes should be fitted in accordance

with the requirements of Building

Regulation approved document G3,

(England and Wales), Part P of

Northern Ireland and Standard 4.9 of

Scotland.

Installation and User Instructions R01128-8 09/15

Page 18

Pre-Installation

4.4.1 Discharge pipe D2

The discharge pipe (D2) from the

Tundish should:

- “have a vertical section of pipe at

least 300mm long below the

tundish before any elbows or

bends in the pipework and be

installed with a continuous fall of

at least 1 in 200 thereafter.”

The discharge pipe (D2) should be

made of:

- “metal; or other material that has

been demonstrated to be capable

of safely withstanding

temperatures of the water

discharged and is clearly and

permanently marked to identify

the product and performance

standard”

Dimplex strongly recommends the use

of metal pipework only and Dimplex

does not take responsibility for any

damage caused from discharges.

The discharge pipe D2 should be at

least one pipe size larger than the

nominal outlet size of the safety device

unless its total equivalent hydraulic

resistance exceeds that of a straight

pipe 9m long, i.e. for discharge pipes

between 9m and 18m the equivalent

resistance length should be at least two

sizes larger than the nominal outlet

size of the safety device; between 18

and 27m at least 3 sizes larger, and so

on; bends must be taken into account

in calculating the flow resistance. See

Figure 4 Table 4 and the worked ,

example.

Note: An alternative approach for

sizing discharge pipes would be to

follow Annex D, section D.2 of BS

6700:2006 + A1:2009).

Figure 4: Typical discharge pipe arrangement

Installation and User Instructions R01128-8 09/15

Page 19

Pre-Installation

Table 4 : Sizing of copper discharge pipe “D2” for common temperature relief valve outlet sizes

4.4.2 Worked example

This example is for a G½ temperature

relief valve with a discharge pipe (D2)

(as fitted on 125 to 300L cylinders)

having 4 No. 22mm elbows and length

of 7m from the tundish to the point of

discharge.

From Table 4, the maximum resistance

allowed for a straight length of 22mm

copper discharge pipe

(D2) from a G½ temperature relief

valve is 9.0m. Subtract the resistance

for 4 No. 22mm elbows at 0.8m each

= 3.2m.

Therefore the maximum permitted

length

equates to 5.8m, which is less than the

actual length of 7m, therefore calculate

the next largest size.

Maximum resistance allowed for a

straight length of 28mm copper

discharge pipe (D2) from a G½

temperature relief valve is: 18m

Subtract the resistance for 4 No. 28mm

elbows at 1.0m each = 4m

Therefore the maximum permitted

length equates to 14m.

As the actual length is 7m, a 28mm

(D2) copper pipe will be satisfactory.

Product specificaties

Merk:	Dimplex
Categorie:	Niet gecategoriseerd
Model:	ECSd250ST-580

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