Vaillant EloSTOR Exclusive VEH 50/8-7 Bedienungsanleitung

Installation and maintenance instructions

eloSTOR exclusive

VEH 50–120/8-7

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 exclusive 0020234040_02

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 Setting the configuration type ................................ 8

6.3 Checking that the product works correctly............. 9

7 Handing over to the operator ............................. 9

8 Inspection and maintenance .............................. 9

8.1 Disconnecting the product from the power

supply .................................................................... 9

8.2 Checking the magnesium protection anode .......... 9

8.3 Checking the inner vessel and components for

scale deposition................................................... 10

8.4 Completing maintenance work ............................ 10

9 Troubleshooting ................................................ 10

9.1 Replacing a defective Smart Control module ...... 10

9.2 Replacing a defective heating element................ 10

9.3 Resetting the safety cut-out................................. 10

9.4 Rectifying faults ................................................... 10

10 Decommissioning.............................................. 10

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

12 Customer service............................................... 11

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

A Fault display view.............................................. 12

B Rectifying faults................................................. 12

C Dimensions and dimension drawing ............... 13

D Circuit diagrams and electrical

connections........................................................ 14

D.1 Connection diagram............................................. 14

D.2 Overview of the configuration types .................... 15

D.3 Selecting the power ............................................. 15

E Maintenance plan............................................... 17

F Technical data.................................................... 17

Safety 1

0020234040_02 eloSTOR exclusive 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 for use as a heat

generator for hot water generation.

–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

–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 code.

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 Material damage due to unsuitable

installation surface

The installation surface must be even and

have sufficient load-bearing capacity to sup-

1 Safety

4Installation and maintenance instructions eloSTOR exclusive 0020234040_02

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.

1.3.4 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 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.

1.3.6 Risk of injury due to the heavy

weight of the product

▶Make sure that the product is transported

by at least two people.

1.3.7 Risk of material damage caused by

using an unsuitable tool

▶Use the correct tool to tighten or loosen

threaded connections.

1.3.8 Risk of material damage caused by

frost

▶Do not install the product in rooms prone

to frost.

1.3.9 Risk of being burned or scalded by

hot components

▶Only carry out work on these components

once they have cooled down.

1.4 Regulations (directives, laws,

standards)

▶Observe the national regulations, stand-

ards, guidelines and laws.

Notes on the documentation 2

0020234040_02 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 Validity of the instructions

These instructions apply for the following products only:

Product article number

VEH 50/8-7 0010019874

VEH 80/8-7 0010019875

VEH 100/8-7 0010019876

VEH 120/8-7 0010019877

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 /8-7 Type designation

l Water capacity

3/N/PE 400 V

1/N/PE 230 V

~ 50/60 Hz

Electrical connection data

MPa (bar) Max. operating pressure

IP25D Level of protection

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 holder

2 Domestic hot water

cylinder

3 Cold water connection

4 Mains connection line

5 Operator control panel

6 Hot water connection

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 holder

1 Installation template

1 Operating instructions

1 Installation and maintenance instructions

Applicability: VEH 80/8-7

Quantity Component

1 Connector 0020192421

1 Connector 0020192422

4 Set-up

6Installation and maintenance instructions eloSTOR exclusive 0020234040_02

4.2 Requirements for the installation site

▶Observe the following requirements:

–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)

Conditions: Non-pressurised installation

–Installation height above sea level: < 2000 m

4.3 Observing the minimum clearances

≥500

▶Comply with the minimum clearances during installation.

4.4 Installing the product

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 or /7)

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 (re-

placement for VEH /5)

A2 Distance between the

product bracket and

water connections

(new installation or

replacement for VEH /6)

1. Install the product bracket.

[mm] A1 A2

VEH 50 790 690

VEH 80/100/120 1020 920

2. Hang the product in the product bracket.

–Lateral corrections are possible as a result of move-

ment.

Conditions: Pressure-tight installation of a VEH 50, VEH 100 or VEH 120

▶Install a suitable safety group on the VEH's water con-

nections.

Conditions: Pressure-tight installation of a VEH 80

▶Install a suitable safety group on the VEH's water con-

nections.

▶Replace the connectors from the safety group with the

connectors supplied for the VEH 80:

–Vaillant connection pipe 0020192421

–Vaillant connection pipe 0020192422

Installation 5

0020234040_02 eloSTOR exclusive Installation and maintenance instructions 7

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

5 64 732

1 Expansion relief valve

2 Stop valve

3 Pressure gauge con-

nectors

4 Return flow prevention

5 Test valve

6 Pressure reducer

7 Cold water stop valve

▶Install components (1) to (7).

▶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 with no pressure redu-

cer.

Result 2:

Water connection positive pressure: 6 … 16 bar

▶Install a suitable safety group with pressure reducer.

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.

▶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

6 Start-up

8Installation and maintenance instructions eloSTOR exclusive 0020234040_02

5.3 Electrical installation

7 6

12L1L2L3N

1 Mains connection cable

2 Auxiliary connection

cable

3 Cable duct

4 Strain relief

5 Output selection ter-

minal

6 Auxiliary connection

terminal

7 Mains connection ter-

minal

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. Observe the connection diagram ( Appendix).

2. Guide the mains connection cable through the cable

duct and through the strain relief.

3. Tighten the screws on the strain relief.

4. Secure the mains connection cable to the mains con-

nection terminal.

5. Guide the auxiliary connection cable through the cable

duct and through the strain relief.

6. Tighten the screws on the strain relief.

7. Secure the auxiliary connection cable to the auxiliary

connection terminal.

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.

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

8. Switch on the fuses.

9. Switch on the line protection switches.

10. Set the configuration type. (→Page 8)

11. Set the operating mode (→Operating instructions).

12. Check that the product works correctly. (→Page 9)

13. Set the target cylinder temperature.

Conditions: Water hardness: > 3.57 mol/m³

–Water temperature: ≤50 ℃

6.1 Operating

The domestic hot water cylinder operating instructions list

the functions that can be set by the operator.

6.2 Setting the configuration type

Note

In the as-delivered condition, the twin-circuit

switching (Co2) and the Smart operating mode

are preset.

1. Press and hold the button for at least three seconds

to switch to standby mode.

◁The symbol flashes in the display.

2. Press and hold the and buttons at the same

time for at least 10 seconds to open the configuration

menu.

3. Use the and buttons to set the configuration type

(on-demand switching (Co0), single-circuit switching

(Co1) or twin-circuit switching (Co2)) that was selected

during the electrical installation.

4. Press the button to save this selection and exit the

configuration menu.

Handing over to the operator 7

0020234040_02 eloSTOR exclusive Installation and maintenance instructions 9

6.3 Checking that the product works correctly

1. Set the maximum flow temperature on the domestic hot

water cylinder.

◁The display shows the "Heating element active"

symbol .

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

from the domestic hot water cylinder.

◁If water flows out from the hot water draw-off point,

the domestic hot water cylinder has been sufficiently

filled with water.

3. After a few minutes, check the current hot water tem-

perature.

4. 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.

7 Handing over to the operator

▶Inform the operator how to handle the product. Answer

any questions the operator may have. Draw attention to

the safety information that the operator must follow.

▶Explain to the operator how the safety devices work and

where they are located.

Danger!

Risk of death from legionella.

Legionella multiply at temperatures below

60 °C.

▶Ensure that the end user is familiar with

all of the Anti-legionella measures in order

to comply with the applicable regulations

regarding legionella prevention.

▶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.

8 Inspection and maintenance

▶You can find the inspection and maintenance work in the

maintenance plan in the appendix. (→Page 17)

8.1 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.

▶Remove the mains connection lines.

8.2 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 9)

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 from the terminal block.

5. Undo the hex nuts on the cover for the flange and the

electronics box.

6. Remove the temperature sensor for the thermostat and

the safety cut-out.

7. Unscrew the earth line from the flange.

8. Remove the flange straight from the cylinder tank.

Replacing the magnesium protection anode

9. Replace the magnesium protection anode when it is

worn to an extent of 60%.

9 Troubleshooting

10 Installation and maintenance instructions eloSTOR exclusive 0020234040_02

Installing the flange

10. Replace the flange seal.

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

position. (→Page 10)

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)

8.3 Checking the inner vessel and components

for scale deposition

1. Disconnect the product from the power supply.

(→Page 9)

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. Replace components if necessary.

6. Install the flange. (→Page 10)

7. Start up the product. (→Page 8)

8.4 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.

9 Troubleshooting

9.1 Replacing a defective Smart Control

module

1. Disconnect the product from the power supply.

(→Page 9)

2. Undo the screws on the cover for the flange and elec-

tronics box.

3. Pull out all plugs from the Smart Control module.

4. Undo the two screws for the Smart Control module.

5. Secure the new Smart Control module.

6. Plug all of the plugs into the contacts.

7. Screw the cover to the product tightly.

8. Start up the product. (→Page 8)

9.2 Replacing a defective heating element

1. Disconnect the product from the power supply.

(→Page 9)

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 10)

7. Start up the product. (→Page 8)

9.3 Resetting the safety cut-out

1. Disconnect the product from the power supply.

(→Page 9)

2. Eliminate whatever triggered the safety cut-out using

the table in the appendix (→Page 12).

3. In the opening (1), press the reset button for the safety

cut-out, e.g. using a screwdriver.

4. Start up the product. (→Page 8)

9.4 Rectifying faults

▶Use the table in the appendix to rectify the faults

(→Page 12).

10 Decommissioning

1. Disconnect the product from the power supply.

(→Page 9)

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.

11 Recycling and disposal

Disposing of the packaging

▶Dispose of the packaging correctly.

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