Vaillant EloSTOR plus Manuel utilisateur

Installation and maintenance instructions

eloSTOR plus,

eloSTOR exclusive

VEN …

AT, DE

Publisher/manufacturer

Vaillant GmbH

Berghauser Str. 40 D-42859 Remscheid

Tel. +49 21 91 18‑0 Fax +49 21 91 18‑2810

[email protected] www.vaillant.de

Contents

2Installation and maintenance instructions eloSTOR plus, eloSTOR exclusive 0020244339_01

Contents

1 Safety.................................................................... 3

1.1 Intended use.......................................................... 3

1.2 General safety information .................................... 3

1.3 Regulations (directives, laws, standards).............. 4

2 Notes on the documentation .............................. 5

2.1 Observing other applicable documents ................. 5

2.2 Storing documents................................................. 5

2.3 Applicability of the instructions .............................. 5

3 Product description............................................. 5

3.1 Functional elements............................................... 5

3.2 Overview of the operator control elements............ 5

3.3 Information on the identification plate.................... 5

3.4 Installation location for the identification plate....... 6

3.5 CE label ................................................................. 6

4 Set-up.................................................................... 6

4.1 Checking the scope of delivery.............................. 6

4.2 Product dimensions ............................................... 6

4.3 Wall-mounting the product..................................... 7

5 Installation............................................................ 7

5.1 Establishing the water connection ......................... 7

5.2 Filling the product .................................................. 8

5.3 Electrical installation .............................................. 8

6 Start-up................................................................. 9

6.1 Setting the hot water temperature ......................... 9

6.2 Switching on .......................................................... 9

6.3 Handing the product over to the operator.............. 9

7 Troubleshooting .................................................. 9

7.1 Contacting your service partner............................. 9

7.2 Procuring spare parts ............................................ 9

8 Inspection and maintenance ............................ 10

8.1 Observing inspection and maintenance

intervals ............................................................... 10

8.2 Replacing the power supply cable....................... 10

8.3 Removing/installing the product casing............... 10

8.4 Descaling the direct electric domestic hot

water cylinder and electrical immersion

heater................................................................... 10

8.5 Cleaning the cold-water filter ............................... 10

8.6 Replacing the control and/or safety cut-out......... 10

9 Decommissioning.............................................. 11

9.1 Decommissioning the product ............................. 11

10 Customer service............................................... 11

10.1 Customer service................................................. 11

Appendix ............................................................................ 12

A Technical data.................................................... 12

Safety 1

0020244339_01 eloSTOR plus, eloSTOR exclusive Installation and maintenance instructions 3

1 Safety

1.1 Intended use

There is a risk of injury or death to the user or

others, or of damage to the product and other

property in the event of improper use or use

for which it is not intended.

The product is designed only for use as an

open heat generator for hot water generation.

The direct electric domestic hot water cyl-

inder is designed to heat up potable water

in accordance with the applicable quality

standards. If the quality of the potable wa-

ter is poor, there is a risk of corrosion in the

product.

This product only works in conjunction with

low-pressure fittings.

The product is approved exclusively for ver-

tical installation on the wall.

Intended use includes the following:

–observance of accompanying operating,

installation and servicing instructions for

the product and any other system compon-

ents

–installing and fitting the product in accord-

ance with the product and system approval

–compliance with all inspection and main-

tenance conditions listed in the instruc-

tions.

Intended use also covers installation in ac-

cordance with the IP class.

The use of the product in vehicles, such as

mobile homes and caravans, is not classed

as intended use. Units that are not classed

as vehicles are those that are installed in

a fixed and permanent location (known as

"fixed installation").

Any other use that is not specified in these

instructions, or use beyond that specified in

this document shall be considered improper

use. Any direct commercial or industrial use

is also deemed to be improper.

Caution.

Improper use of any kind is prohibited.

1.2 General safety information

1.2.1 Risk caused by inadequate

qualifications

The following work must only be carried out

by competent persons who are sufficiently

qualified to do so:

–Set-up

–Dismantling

–Installation

–Start-up

–Inspection and maintenance

–Repair

–Decommissioning

▶Observe all instructions that are included

with the product.

▶Proceed in accordance with the current

technology.

▶Observe all applicable directives, stand-

ards, laws and other regulations.

1.2.2 Risk of death due to lack of safety

devices

The schematic drawings included in this doc-

ument do not show all safety devices re-

quired for correct installation.

▶Install the necessary safety devices in the

system.

▶Observe the applicable national and inter-

national laws, standards and guidelines.

1.2.3 Risk of death from electric shock

There is a risk of death from electric shock if

you touch live components.

Before commencing work on the product:

▶Unplug the mains plug.

▶Or disconnect the product from the power

supply by switching off all power supplies

(electrical partition with a contact opening

of at least 3 mm, e.g. fuse or line protec-

tion switch).

▶Secure against being switched back on

again.

▶Wait for at least 3 minutes until the con-

densers have discharged.

1 Safety

4Installation and maintenance instructions eloSTOR plus, eloSTOR exclusive 0020244339_01

1.2.4 Material damage due to unsuitable

installation surface

The installation surface must be even and

have sufficient load-bearing capacity to sup-

port the operating weight of the product. An

uneven installation surface may cause leaks

in the product.

There is a risk of death if the connections are

subject to leaks.

▶Make sure that the product is positioned

flush against the installation surface.

▶Ensure that the installation surface has

sufficient load-bearing capacity to bear the

operating weight of the product.

1.2.5 Risk of being burned or scalded by

hot components

▶Only carry out work on these components

once they have cooled down.

1.2.6 Risk of scalding and material

damage due to escaping hot or cold

water

▶If you use plastic pipes for the hot or cold

water connection of the product, you must

only use pipes that are temperature-res-

istant up to 95 °C under a pressure of 1.0

MPa (10 bar).

1.2.7 Risk of material damage caused by

using an unsuitable tool

▶Use the correct tool to tighten or loosen

screw connections.

1.2.8 Risk of material damage caused by

frost

▶Do not install the product in rooms prone

to frost.

1.2.9 Material damage due to leaks

▶Ensure that there is no mechanical tension

on the supply lines.

▶Do not suspend any loads from the

pipelines (e.g. clothing).

▶If there are leaks in the water pipe

between the product and draw-off points,

close the cold water stop valve immedi-

ately.

▶Have the leak repaired by a competent

person.

1.2.10 Material damage when using a timer

If you are using a timer and a fault occurs,

this may lead to the safety cut-out being unin-

tentionally reset. If the product is unintention-

ally reset, this may lead to material damage

of the product.

▶Do not use a timer to control the product.

1.3 Regulations (directives, laws,

standards)

▶Observe the national regulations, stand-

ards, guidelines and laws.

Notes on the documentation 2

0020244339_01 eloSTOR plus, eloSTOR exclusive Installation and maintenance instructions 5

2 Notes on the documentation

2.1 Observing other applicable documents

▶You must observe all the operating and installation in-

structions included with the system components.

2.2 Storing documents

▶Pass these instructions and all other applicable docu-

ments on to the system operator.

2.3 Applicability of the instructions

These instructions apply for the following products only:

Product article number

VEN 5/7-5_U 0010021140, 0010021141,

0010021142

VEN 5/7-5_O 0010021139

VEN 5/7-7_U 0010021138

VEN 5/7-7_U_S1 0010021424

3 Product description

3.1 Functional elements

Applicability: Installation above the work surface

1 Heating coil

2 Inner vessel

3 Overheating protection

4 Temperature sensor

A Hot water outlet

B Cold water inlet

Applicability: Installation below the work surface

1 Heating coil

2 Inner vessel

3 Overheating protection

4 Temperature sensor

A Hot water outlet

B Cold water inlet

3.2 Overview of the operator control elements

1 Temperature selector

2 Control light

3 Energy-saving operation

3.3 Information on the identification plate

Information on the

identification plate

Meaning

Serial number For identification purposes; 7th to 16th

digits = product article number

VEN ... System component for the domestic hot

water generation

eloSTOR Product designation

kW Nominal output

230 V 50 Hz Voltage –frequency

MPa Maximum pressure

IP (e.g. X4D) Degree of protection against water

4 Set-up

6Installation and maintenance instructions eloSTOR plus, eloSTOR exclusive 0020244339_01

3.4 Installation location for the identification

plate

Applicability: Installation above the work surface

1 Identification plate

Applicability: Installation below the work surface

1 Identification plate

3.5 CE label

The CE label shows that the products comply with the basic

requirements of the applicable directives as stated on the

identification plate.

The declaration of conformity can be viewed at the manufac-

turer's site.

4 Set-up

4.1 Checking the scope of delivery

▶Check that the scope of delivery is complete and intact.

Applicability: eloSTOR plus

Quant-

ity Description

1Product

1Documentation records

1Low-pressure valve (depending on the unit variant)

1Wall-mounting base

Applicability: eloSTOR exclusive

Quant-

ity Description

1Product

1Documentation records

1Wall-mounting base

4.2 Product dimensions

Applicability: Installation above the work surface

e100

140

1/2"1/2"

Applicability: Installation below the work surface

100

140

3/8"3/8"

Unit dimensions

5L O 5L U

Dimen-

sion (a)

−315 mm

Dimen-

sion (b)

400 mm 400 mm

Dimen-

sion (c)

419 mm 419 mm

Dimen-

sion (d)

240 mm 240 mm

Dimen-

sion (e)

70 mm 70 mm

Installation 5

0020244339_01 eloSTOR plus, eloSTOR exclusive Installation and maintenance instructions 7

5L O 5L U

Dimen-

sion (f)

218 mm 218 mm

Dimen-

sion (g)

232 mm 232 mm

Dimen-

sion (h)

335 mm 104 mm

4.3 Wall-mounting the product

1. Drill the holes in the wall for the rawl plugs.

Applicability: Installation above the work surface

▶Use the appropriate fixing material to secure the

product to the wall as shown in the illustration.

Applicability: Installation below the work surface

▶Use the appropriate fixing material to secure the

product to the wall as shown in the illustration.

Conditions: The load-bearing capacity of the wall is sufficient, The

fixing material may be used for the wall

▶Wall-mount the product as described.

Conditions: The load-bearing capacity of the wall is not sufficient

▶Ensure that wall-mounting apparatus on-site has a

sufficient load-bearing capacity. Use individual stands

or primary walling, for example.

▶Do not wall-mount the product if you cannot provide

wall-mounting apparatus with a sufficient load-bearing

capacity.

5 Installation

Danger!

Risk of scalding and/or risk of material

damage due to incorrect installation lead-

ing to escaping water.

Stresses in supply lines can cause leaks.

▶Install the supply lines without tension.

5.1 Establishing the water connection

Applicability: Installation above the work surface

1 Cold water inlet

2 Hot water flow

3 Cold water inlet

4 Power supply

▶Check the water pressure.

◁The water pressure is, at most, as great as the

max. permissible pressure.

–Water pressure: ≤0.5 MPa (≤5.0 bar)

▽If the water pressure is greater than the max. per-

missible pressure, install a domestic pressure reg-

ulator.

5 Installation

8Installation and maintenance instructions eloSTOR plus, eloSTOR exclusive 0020244339_01

Applicability: Installation below the work surface

1 Cold water inlet

2 Hot water flow

3 Cold water inlet

4 Power supply

▶Check the water pressure.

◁The water pressure is, at most, as great as the

max. permissible pressure.

–Water pressure: ≤0.5 MPa (≤5.0 bar)

▽If the water pressure is greater than the max. per-

missible pressure, install a domestic pressure reg-

ulator.

1. Install the restrictor element.

◁The water flow rate is, at most, as great as the per-

missible pressure.

– ≤ 5 l/min

2. Connect the product to the low-pressure fitting.

–Tightening torque: ≤25 Nm (≤18.4 ft⋅lbf)

5.2 Filling the product

1. Open the cold water stop cock.

2. Fill the domestic hot water cylinder.

◁Always fill the direct electric domestic hot water cyl-

inder with water before you switch it on. The cylinder

is full when water escapes as you open the hot wa-

ter tap.

3. Keep the low-pressure fitting's outlet clear.

◁Do not connect any hoses or aerators to the fitting.

Applicability: eloSTOR plus

◁When the direct electric domestic hot water cyl-

inder is heating up, hot water may leak out of the

tap as a result of thermal expansion.

5.3 Electrical installation

Danger!

Risk of death from electric shock!

Touching live connections may cause serious

personal injury.

▶Disconnect the product from the power

supply by interrupting all power supply

sources.

▶Ensure that the product is disconnected

from the power supply.

▶Secure all of the supply lines and con-

nections in order to prevent the product

from being accidentally reconnected to

the power supply.

Danger!

Risk of material damage.

If you do not follow the installation steps, this

may result in damage to the product.

▶Do not connect the product to the power

mains until the direct electric domestic hot

water cylinder is filled with water.

1. Before the electrical installation, check whether local

mains voltage matches the specifications on the pro-

duct's identification plate.

1 Mains connection line

with mains plug

2 Control light

3 Temperature control

4 Earth connection

5 Overheating protection

6 Heating coil

2. Plug the mains plug into an earthed socket outlet.

◁The plug socket must be freely accessible at all

times.

Start-up 6

0020244339_01 eloSTOR plus, eloSTOR exclusive Installation and maintenance instructions 9

6 Start-up

6.1 Setting the hot water temperature

1 Temperature selector

knob

2 Setting ring for the

temperature

3 Adjustment spindle

4 Notch for the setting at

85 °C

5 Notch for the setting at

40 °C

6 Notch for the setting at

60 °C

Warning.

Risk of being scalded by hot water

There is a risk of scalding at the hot water

draw-off points if the temperatures are

greater than 60 °C. Young children and

elderly persons are particularly at risk, even

at lower temperatures.

▶Select the hot water temperature so that

nobody is at risk.

1. Select a moderate set target temperature.

◁You can set the set target temperature to either

40 °C, 60 °C or 85 °C.

2. Remove the temperature selection knob (1).

3. Remove the adjusting ring (2) for the temperature se-

lection knob.

Conditions: Limiting the temperature to 40 °C

▶Slide the recess (5) for the setting ring onto the nose of

the temperature selection knob.

Conditions: Limiting the temperature to 60 °C

▶Slide the recess (6) for the setting ring onto the lug of

the temperature selection knob.

Conditions: Limiting the temperature to 85 °C (factory setting)

▶Slide the recess (4) for the setting ring onto the nose of

the temperature selection knob.

4. Fit the temperature selector knob with the setting ring

onto the adjusting spindle (3).

6.2 Switching on

1. Ensure that the direct electric domestic hot water cylin-

der has been filled.

2. Insert the mains plug into the wall socket.

3. Set the temperature selector knob to (E).

◁The indicator light lights up. It goes out as soon as

the set target temperature is reached.

6.3 Handing the product over to the operator

Explain to the operator how the safety devices work and

where they are located.

Inform the operator how to handle the product. Answer any

questions the operator may have. In particular, draw atten-

tion to the safety information which the operator must follow.

Inform the operator of the necessity to have the product

maintained according to the specified intervals.

Pass all of the instructions and documentation for the

product to the operator for safe-keeping.

7 Troubleshooting

7.1 Contacting your service partner

If you contact your service partner, you should, where pos-

sible, specify the type of fault that has occurred.

7.2 Procuring spare parts

The original components of the product were also certified

by the manufacturer as part of the declaration of conformity.

If you use other, non-certified or unauthorised parts during

maintenance or repair work, this may void the conformity of

the product and it will therefore no longer comply with the

applicable standards.

We strongly recommend that you use original spare parts

from the manufacturer as this guarantees fault-free and safe

operation of the product. To receive information about the

available original spare parts, contact the contact address

provided on the reverse of these instructions.

▶If you require spare parts for maintenance or repair

work, use only the spare parts that are permitted for the

product.

8 Inspection and maintenance

10 Installation and maintenance instructions eloSTOR plus, eloSTOR exclusive 0020244339_01

8 Inspection and maintenance

8.1 Observing inspection and maintenance

intervals

Proper regular inspections (once a year) and maintenance

(depending on the result of the inspection, but at least once

every two years) combined with the exclusive use of genuine

spare parts are decisive factors in ensuring smooth opera-

tion and long working life for the product.

We recommend taking out an inspection or maintenance

contract.

Inspection

The inspection is intended to determine the actual condition

of a product and compare it with the target condition. This is

done by measuring, checking and observing.

Maintenance

Maintenance is required in order to eliminate any deviations

of the actual condition from the target condition. This is nor-

mally done by cleaning, setting and, if necessary, replacing

individual components that are subject to wear.

8.2 Replacing the power supply cable

Note

To avoid danger, if the power supply cable is

damaged, it must be replaced by the manufac-

turer, their responsible customer service depart-

ment or suitably qualified persons.

▶Replace it in accordance with the recommendations for

the power supply connection.

8.3 Removing/installing the product casing

1. Undo the screw (A) between the hydraulic connections.

2. Remove the temperature selector knob (B).

3. Remove the front casing (C).

4. When fitting the casing, carry out the steps described

above in reverse.

8.4 Descaling the direct electric domestic hot

water cylinder and electrical immersion

heater

1. Check whether the inner vessel in the direct electric

domestic hot water cylinder has any depositions.

◁Clean the vessel mechanically if it contains depos-

itions.

2. Remove the electrical immersion heater.

3. Check the condition of the electrical immersion heater.

◁If required, dip the electrical immersion heater as

far as the flange into a descaling agent in order to

descale it.

8.5 Cleaning the cold-water filter

Applicability: eloSTOR exclusive

1. Visually inspect the cold-water filter (1) in the cold water

connection for dirt and scale.

◁If there is dirt or scale deposition, remove the cold-

water filter to clean it.

2. Put the cold-water filter back into its mount.

3. Connect the product to the cold water inlet.

8.6 Replacing the control and/or safety cut-out

1. Disconnect the product from the power mains and make

sure that it cannot be switched back on again.

2. Remove the product casing.

3. Check the condition of the temperature control.

◁Replace the temperature control when it is out of

operation.

4. Check the condition of the temperature cut-out.

◁Replace the temperature cut-out when it is out of

operation.

5. Install the product casing.

6. Connect the product to the power supply.

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