Vaillant EloSTOR pro VEH 50/7-3 Bedienungsanleitung

Installation and maintenance instructions

eloSTOR pro

VEH 50/7-3

VEH 80/7-3

VEH 100/7-3

VEH 120/7-3

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 pro 0020196671_06

Contents

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

1.1 Action-related warnings ......................................... 3

1.2 Intended use.......................................................... 3

1.3 General safety information .................................... 3

1.4 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 Validity of the instructions...................................... 5

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

3.1 Identification plate.................................................. 5

3.2 CE label ................................................................. 5

3.3 Design.................................................................... 5

4 Set-up.................................................................... 5

4.1 Checking the scope of delivery.............................. 5

4.2 Requirements for the installation site .................... 6

4.3 Observing the minimum clearances ...................... 6

4.4 Installing the product.............................................. 6

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

5.1 Hydraulic installation.............................................. 7

5.2 Requirements for electrical installation at the

installation site ....................................................... 7

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

6 Start-up................................................................. 8

6.1 Operating............................................................... 8

6.2 Checking that the product works correctly............. 8

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

7 Inspection and maintenance .............................. 9

7.1 Preparing the maintenance work........................... 9

7.2 Completing maintenance work .............................. 9

8 Detecting and rectifying faults ......................... 10

8.1 Replacing a defective heating element................ 10

8.2 Rectifying faults ................................................... 10

9 Decommissioning.............................................. 10

10 Recycling and disposal..................................... 10

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

Appendix ............................................................................ 11

A Rectifying faults................................................. 11

B Dimensions and dimension drawing ............... 11

C Connection diagram.......................................... 12

C.1 Connection diagram............................................. 12

C.2 Selecting the power ............................................. 13

D Maintenance plan............................................... 15

E Technical data.................................................... 15

Safety 1

0020196671_06 eloSTOR pro Installation and maintenance instructions 3

1 Safety

1.1 Action-related warnings

Classification of action-related warnings

The action-related warnings are classified in

accordance with the severity of the possible

danger using the following warning signs and

signal words:

Warning symbols and signal words

Danger!

Imminent danger to life or risk of

severe personal injury

Danger!

Risk of death from electric shock

Warning.

Risk of minor personal injury

Caution.

Risk of material or environmental

damage

1.2 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 to generate and

maintain heated drinking water for house-

holds.

–Max. hot water temperature: 85 ℃

The product is approved exclusively for ver-

tical installation on the wall.

The product must only be operated if a safety

group is installed.

Intended use includes the following:

–observance of accompanying operating,

installation and servicing instructions for

the product and any other system compon-

ents

–compliance with all inspection and main-

tenance conditions listed in the instruc-

tions.

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 in-

structions, or use beyond that specified in this

document shall be considered improper use.

Any direct use in industrial or commercial

processes is also deemed to be improper.

Caution.

Improper use of any kind is prohibited.

1.3 General safety information

1.3.1 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 current tech-

nology.

▶Observe all applicable directives, stand-

ards, laws and other regulations.

1.3.2 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:

▶Disconnect the product from the power

supply by switching off all power supplies

at all poles (electrical partition with a con-

tact gap of at least 3 mm, e.g. fuse or cir-

cuit breaker).

▶Secure against being switched back on

again.

▶Check that there is no voltage.

1.3.3 Risk of death due to legionella in the

drinking water

Legionellas are pathogens that multiply

quickly at temperatures of up to approx-

imately 50 °C. The legionellas die off at

temperatures of over 60 °C.

1 Safety

4Installation and maintenance instructions eloSTOR pro 0020196671_06

▶Explain to the operator how the anti-Le-

gionella function works.

1.3.4 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).

1.3.5 Preventing frost damage

If the product remains out of operation in an

unheated room for an extended period of

time, the water may freeze in the product and

in the pipelines.

▶Install the product in an installation room

that is always frost-free.

1.3.6 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).

1.3.7 Risk of death due to safety group

components either not being

installed or being incorrectly

installed

If certain safety group components (e.g. ex-

pansion relief valve, return flow prevention,

pressure reducer) have either not been in-

stalled or have been incorrectly installed,

this may lead to potentially fatal scalding and

other injuries.

▶Install the necessary safety group compon-

ents.

▶Do not install hydraulic accessories

between the safety group and the do-

mestic hot water cylinder's cold water pipe.

▶Explain to the operator how the safety

group works and where it is to be posi-

tioned.

1.3.8 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.

1.3.9 Risk of material damage caused by

using an unsuitable tool

▶Use the correct tool to tighten or loosen

threaded connections.

1.3.10 Material damage due to limescale

deposits in the expansion relief

valve

Hard water can cause limescale to accumu-

late in the expansion relief valve.

▶Regularly check the expansion relief valve

manually to ensure that it works correctly

by turning the cap one turn anticlockwise.

Water escapes.

◁Escaping water may be hot.

1.4 Regulations (directives, laws,

standards)

▶Observe the national regulations, stand-

ards, guidelines and laws.

Notes on the documentation 2

0020196671_06 eloSTOR pro 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 Validity of the instructions

These instructions apply only to:

Product article number

VEH 50/7-3 0010016657

VEH 80/7-3 0010016658

VEH 100/7-3 0010016659

VEH 120/7-3 0010016660

3 Product description

3.1 Identification plate

The identification plate is located on the lower side of the

product.

The identification plate contains the following information:

Information Meaning

Serial no. Serial number

VEH XX 7-3 Type designation

l Fill quantity

3/N/PE 400 V

1/N/PE 230 V

~ 50/60 Hz

Electrical connection data

MPa (bar) Max. operating pressure

IP25D IP rating

VDE mark

3.2 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.

3.3 Design

1 Product bracket

2 Domestic hot water

cylinder

3 Rotary knob

4 Cold water connection

5 Mains connection line

6 Hot water connection

7 Rapid heating button

8 Signal lamp

The cylinder is equipped with external heat insulation. The

cylinder vessel is made of enamelled steel. The heating ele-

ments that transfer the heat are located inside the vessel. As

additional corrosion protection, the vessel has a magnesium

protection anode.

4 Set-up

4.1 Checking the scope of delivery

▶Check that the scope of delivery is complete.

Quantity Component

1 Domestic hot water cylinder

1 Product bracket

1 Installation template

1 Operating instructions

1 Installation and maintenance instructions

Applicability: VEH 80/7-3

Quantity Component

1 Connector 0020192421

1 Connector 0020192422

4 Set-up

6Installation and maintenance instructions eloSTOR pro 0020196671_06

4.2 Requirements for the installation site

▶Observe the following requirements:

–Installation height above sea level: < 2000 m

–Installation only in rooms that are always dry and free

of frost

–Installation only on a level, vertical and stable wall

–Installation only on a wall with sufficient load-bearing

capacity for the filled product (→Appendix: Technical

data)

4.3 Observing the minimum clearances

≥500

▶Comply with the minimum clearances during installation.

4.4 Installing the product

Note

All VEH/7 cylinders can be installed with the exist-

ing safety group.

220 - 305

240

100

R ½

350

100

1 Product bracket (re-

placement for VEH 5)

2 Product bracket (new

installation or replace-

ment for VEH 6)

3 Bearing surfaces for

wall support

4 Hot water connection

5 Discharge connection

6 Cold water connection

A1 Distance between the

product bracket and

water connections

(replacement for VEH 5)

A2 Distance between the

product bracket and

water connections

(new installation or

replacement for VEH 6)

1. Install the product bracket.

Unit A1

(Replace-

ment for

VEH 5)

(New

installation

replacement

for VEH 6)

VEH 50/7-3 mm 790 690

VEH 80/7-3 mm 1020 920

VEH 100/7-3 mm 1020 920

VEH 120/7-3 mm 1020 920

2. Hang the product in the product bracket.

–Lateral corrections are possible as a result of move-

ment.

3. Install the safety group to the water connections of the

VEH.

Conditions: New safety group required

–Vaillant Safety group without a pressure reducer

0020174068

–Vaillant Safety group with a pressure reducer

0020174067

Conditions:VEH 80

▶Replace the connectors from the safety group with the

connectors supplied for the VEH 80.

Installation 5

0020196671_06 eloSTOR pro Installation and maintenance instructions 7

–Vaillant connector 0020192421

–Vaillant connector 0020192422

Conditions: The wall is uneven.

▶Smooth out any unevenness in the wall with the wall

supports.

5 Installation

5.1 Hydraulic installation

Warning.

Risk of adverse health effects caused by

impurities in the potable water.

Sealing residues, dirt or other residues in the

pipelines may adversely affect the quality of

the potable water.

▶Flush all of the hot and cold water pipes

thoroughly before you install the product.

Conditions: Pressure-tight installation

7 86 95

1 2

1 Return flow prevention

2 Circulation pump

3 Expansion relief valve

4 Stop valve

5 Pressure gauge con-

nectors

6 Return flow prevention

7 Test valve

8 Pressure reducer

9 Cold water stop valve

▶Install components (1) to (9).

▶Install the safety device as close as possible to the pro-

duct's cold water inlet.

▶Install the drain pipework at a constant incline.

▶Maintain a clearance between the expansion relief

valve's discharge pipe and the tundish so that the drain

pipework is open to the atmosphere.

–Clearance: ≥20 mm

▶Make sure that the diameter of the drain pipework is at

least equal to that of the expansion relief valve's dis-

charge pipe.

▶Check the water connection positive pressure.

Result 1:

Water connection positive pressure: ≤6 bar

▶Install a suitable safety group without a pressure

reducer, e.g. the Vaillant safety group 0020174068.

Result 2:

Water connection positive pressure: 6 … 16 bar

▶Install a suitable safety group with a pressure redu-

cer, e.g. the Vaillant safety group with pressure re-

ducer 0020174067.

5.2 Requirements for electrical installation at

the installation site

Danger!

Risk of electric shock

There is a risk of electric shock when working

on electrical components that are connected

to the low-voltage network.

▶Disconnect the product from the power

supply.

▶Secure the product against being

switched back on again.

▶Check that the product is de-energised.

▶Only open the product when it is de-ener-

gised.

6 Start-up

8Installation and maintenance instructions eloSTOR pro 0020196671_06

▶Connect the product to a permanent mains connection

via a partition wall.

–Requirements for the partition: Contact opening of at

least 3 mm; mains connection is switched off at all

pins

▶Make sure that the line protection switches are suitable

for the measuring current.

–Measuring current: 16 A

5.3 Electrical installation

L1 L2 L3

5 7

1 Mains connection cable

2 Auxiliary connection

cable

3 Cable duct

4 Strain relief

5 Mains connection ter-

minal

6 Output selection ter-

minal

7 Auxiliary connection

terminal

Danger!

Risk of electric shock

There is a risk of electric shock when working

on electrical components that are connected

to the low-voltage network.

▶Disconnect the product from the power

supply.

▶Secure the product against being

switched back on again.

▶Check that the product is de-energised.

▶Only open the product when it is de-ener-

gised.

Caution.

Material damage due to the mains connec-

tion cable and auxiliary connection cable

being switched

If the connection cables are switched, the

product can be operated but the thermostat

and safety cut-out will not work.

▶Ensure that the mains connection cable is

correctly connected to the mains connec-

tion terminal and the auxiliary connection

cable to the auxiliary connection terminal.

1. Observe the connection diagram. (→Page 12)

2. Guide the mains connection cable (1) through the cable

duct (3) and through the strain relief (4).

3. Tighten the screws on the strain relief (4).

4. Secure the mains connection cable (1) to the mains

connection terminal (5).

5. Guide the auxiliary connection cable (2) through the

cable duct (3) and through the strain relief (4).

6. Tighten the screws on the strain relief (4).

7. Secure the auxiliary connection cable (2) to the auxiliary

connection terminal (7).

Re-work

▶Using an indelible pen, note the connected power on the

identification plate.

6 Start-up

1. Open the cold water stop cock.

2. Open the hot water valves.

3. Wait until water flows out of the hot water valves.

4. Close the hot water valves.

5. Check that the expansion relief valve is functioning

properly by venting the expansion relief valve.

◁Water must escape from the expansion relief valve.

6. Ensure that the safety cut-out is switched on.

◁The red button must be pushed in.

7. Check that all of the pipe connections are leak-tight.

8. Switch on the fuses.

9. Switch on the line protection switches.

10. Check whether the signal lamp lights up and signals the

heating of the domestic hot water cylinder.

6.1 Operating

The domestic hot water cylinder operating instructions list

the functions that can be set by the operator.

6.2 Checking that the product works correctly

1. Open the hot water draw-off point that is furthest away

from the domestic hot water cylinder.

◁If water leaks from the hot water draw-off point, the

domestic hot water cylinder has been sufficiently

filled with water.

2. When the domestic hot water cylinder is heated for the

first time, check whether the expansion relief valve is

operating correctly.

◁If water drips from the discharge line, the expansion

relief valve is operating correctly.

Inspection and maintenance 7

0020196671_06 eloSTOR pro Installation and maintenance instructions 9

6.3 Handing the product over to the operator

▶Inform the operator how to handle the product. Answer

any questions the operator may have. In particular, draw

attention to the safety information which the operator

must follow.

▶Explain to the operator how the safety devices work and

where they are located.

▶Explain to the operator how to limit the hot water temper-

ature at the draw-off point in order to prevent scalding.

▶Inform the operator of the necessity to have the product

maintained on a regular basis.

▶Provide the operator with all relevant instructions and unit

documentation for safe-keeping.

7 Inspection and maintenance

▶You can find the inspection and maintenance work in the

maintenance plan in the appendix. (→Page 15)

7.1 Preparing the maintenance work

Danger!

Risk of electric shock

There is a risk of electric shock when working

on electrical components that are connected

to the low-voltage network.

▶Disconnect the product from the power

supply.

▶Secure the product against being

switched back on again.

▶Check that the product is de-energised.

▶Only open the product when it is de-ener-

gised.

▶Remove the mains connection lines.

7.1.1 Checking the magnesium protection anode

1 Flange with hex nuts

2 Heating elements

3 Drain cock

4 Temperature sensor

5 Earth line

6 Magnesium protection

anode

1. Disconnect the product from the power supply.

(→Page 10)

2. Empty the product. (→Page 10)

Removing the flange

3. Unscrew the cover on the flange.

4. Remove the electrical connections on the heating ele-

ments (2) from the terminal block.

5. Undo the hex nuts on the cover for the flange (1) and

the electronics box.

6. Remove the temperature sensor (4) for the thermostat

and the safety cut-out.

7. Unscrew the earth line (5) from the flange.

8. Remove the flange straight from the cylinder tank.

Replacing the magnesium protection anode

9. Replace the magnesium protection anode (6) when it is

worn to an extent of 60%.

Installing the flange

10. Replace the flange seal.

11. Check the inner vessel and components for scale de-

position. (→Page 9)

12. Screw the flange in place.

13. Screw on the earth line.

14. Insert the temperature sensor for the thermostat and

the safety cut-out into the opening provided for them.

15. Use a cube plug to place the electrical connections for

the heating elements on the terminal block.

16. Screw the cover to the product tightly.

17. Start up the product. (→Page 8)

7.1.2 Checking the inner vessel and components

for scale deposition

1. Disconnect the product from the power supply.

(→Page 10)

2. Empty the product. (→Page 10)

3. Remove the flange. (→Page 9)

4. If necessary, clean the inner vessel with descaling

agents or by carefully scraping it with a wooden spatula.

5. Install the flange. (→Page 9)

6. Replace components if necessary.

7. Start up the product. (→Page 8)

7.2 Completing maintenance work

1. Fit the casing.

2. Ensure that all of the product's components have been

installed correctly.

3. Connect the product to the power supply.

4. Switch on the product.

8 Detecting and rectifying faults

10 Installation and maintenance instructions eloSTOR pro 0020196671_06

8 Detecting and rectifying faults

8.1 Replacing a defective heating element

1. Disconnect the product from the power supply.

(→Page 10)

2. Empty the product. (→Page 10)

3. Remove the flange. (→Page 9)

4. Unscrew the defective heating element from the flange.

5. Screw the new heating element onto the flange.

6. Install the flange. (→Page 9)

7. Start up the product. (→Page 8)

8.2 Rectifying faults

▶Use the table in the appendix to rectify the faults

(→Page 11).

9 Decommissioning

Disconnecting the product from the power supply

Danger!

Risk of electric shock

There is a risk of electric shock when working

on electrical components that are connected

to the low-voltage network.

▶Disconnect the product from the power

supply.

▶Secure the product against being

switched back on again.

▶Check that the product is de-energised.

▶Only open the product when it is de-ener-

gised.

1. Remove the mains connection lines.

Emptying the product

2. Close the cold water stop cock.

3. Open a hot water valve connected to the product.

4. Drain the domestic hot water cylinder using the drain

cock.

Removing the product

5. Remove the cold and hot water piping.

6. Undo the screws.

7. Lift the product and remove it from the wall.

8. Remove the screws from the wall.

10 Recycling and disposal

Disposing of the packaging

▶Dispose of the packaging correctly.

▶Observe all relevant regulations.

11 Customer service

Applicability: Austria

Vaillant Group Austria GmbH

Clemens-Holzmeister-Straße 6

1100 Wien

Österreich

E-Mail Kundendienst: [email protected]

Internet Kundendienst: http://www.vaillant.at/werkskundendi-

enst/

Telefon: 05 7050‑2100 (zum Regionaltarif österreichweit,

bei Anrufen aus dem Mobilfunknetz ggf. abweichende Tarife

- nähere Information erhalten Sie bei Ihrem Mobilnetzbe-

treiber)

Der flächendeckende Kundendienst für ganz Österreich ist

täglich von 0 bis 24 Uhr erreichbar. Vaillant Kundendienst-

techniker sind 365 Tage für Sie unterwegs, sonn- und feier-

tags, österreichweit.

Applicability: Germany

Auftragsannahme Vaillant Kundendienst: 021 91 5767901

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