STIEBEL ELTRON EIL 3-7 Premium Operation and Installation

Electronically controlled mini instantaneous water heater | Mini chauffe-eau instantané

à régulation électronique | Elektronisch geregelde mini-doorstromer | Elektronicky

regulovaný průtokový mini ohřívač | Elektronicky regulovaný mini prietokový ohrievač |

Elektronicznie regulowany mini przepływowy ogrzewacz wody | Mini încălzitor instant

controlat electronic | Elektronikus szabályozású átfolyós mini vízmelegítő | Проточный

мини-водонагреватель с электронным управлением

» EIL 3 Premium

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OPERATION AND INSTALLATION

UTILISATION ET INSTALLATION

BEDIENING EN INSTALLATIE

OBSLUHA A INSTALACE

OBSLUHA A INŠTALÁCIA

OBSŁUGA I INSTALACJA

OPERARE ȘI INSTALARE

KEZELÉS ÉS FELSZERELÉS

ЭКСПЛУАТАЦИЯ И УСТАНОВКА

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CONTENTS

SPECIAL INFORMATION

OPERATION

1. General information �� 4

1.1 Safety instructions ��4

1.2 Other symbols in this documentation ��5

1.3 Units of measurement ��5

2. Safety �� 6

2.1 Intended use �� 6

2.2 General safety instructions ��6

2.3 Test symbols ��6

3. Appliance description �� 7

4. Settings �� 7

5. Cleaning, care and maintenance �� 8

6. Troubleshooting �� 8

INSTALLATION

7. Safety �� 9

7.1 General safety instructions ��9

7.2 Instructions, standards and regulations ��9

8. Appliance description �� 9

8.1 Standard delivery ��9

8.2 Accessories �� 10

9. Preparation ��10

10. Installation �� 10

10.1 Installation site �� 10

10.2 Installation options �� 11

10.3 Making the electrical connection �� 14

11. Commissioning ��15

11.1 Initial start-up �� 15

11.2 Appliance handover �� 15

11.3 Recommissioning �� 15

11.4 Settings �� 15

12. Appliance shutdown �� 17

13. Troubleshooting ��17

14. Maintenance ��19

14.1 Draining the appliance �� 19

14.2 Clean strainer �� 19

14.3 Tests in accordance with VDE0701/0702 �� 20

14.4 Appliance storage �� 20

14.5 Replacing the power cable for the EIL6Premium �� 20

15. Speciﬁcation ��20

15.1 Dimensions and connections �� 20

15.2 Wiring diagram �� 21

15.3 Temperature increase �� 22

15.4 Application areas �� 23

15.5 Energy consumption data �� 23

15.6 Data table �� 24

GUARANTEE

ENVIRONMENT AND RECYCLING

ENGLISH

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SPECIAL INFORMATION

- The appliance may be used by children aged3

and older and persons with reduced physical,

sensory or mental capabilities or a lack of ex-

perience and know-how, provided that they

are supervised or they have been instructed

on how to use the appliance safely and have

understood the potential risks. Children must

never play with the appliance. Cleaning and

user maintenance must not be carried out by

children without supervision.

- The tap can reach temperatures of up to

55°C. There is a risk of scalding at outlet tem-

peratures in excess of 43°C.

- Ensure the appliance can be separated from

the power supply by an isolator that discon-

nects all poles with at least 3mm contact

separation.

- The speciﬁed voltage must match the mains

voltage.

- The appliance must be permanently connect-

ed to ﬁxed wiring, exception EIL3Premium.

- The power cable must only be replaced (for

example if damaged) by a qualiﬁed contrac-

tor authorised by the manufacturer, using an

original spare part.

- Secure the appliance as described in chapter

"Installation/ Installation".

- Observe the maximum permissible pressure

(see chapter "Installation/ Speciﬁcation/ Data

table").

- The speciﬁc water resistivity of the mains

water supply must not be undershot (see

chapter "Installation/ Speciﬁcation/ Data

table").

OPERATION

General information

4 | EIL Premium www.stiebel-eltron.com

- Drain the appliance as described in chapter

"Installation/ Maintenance/ Draining the

appliance".

OPERATION

1. General information

The chapter "Operation" is intended for appliance users and qual-

iﬁed contractors.

The chapter "Installation" is intended for qualiﬁed contractors.

Note

Read these instructions carefully before using the appli-

ance and retain them for future reference.

Pass on the instructions to a new user if required.

1.1 Safety instructions

1.1.1 Structure of safety instructions

KEYWORD Type of risk

Here, possible consequences are listed that may result

from failure to observe the safety instructions.

 Steps to prevent the risk are listed.

ENGLISH

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OPERATION

General information

1.1.2 Symbols, type of risk

Symbol Type of risk

Injury

Electrocution

Burns

(burns, scalding)

1.1.3 Keywords

KEYWORD Meaning

DANGER Failure to observe this information will result in serious

injury or death.

WARNING Failure to observe this information may result in serious

injury or death.

CAUTION Failure to observe this information may result in non-seri-

ous or minor injury.

1.2 Other symbols in this documentation

Note

Notes are bordered by horizontal lines above and below

the text. General information is identiﬁed by the adjacent

symbol.

 Read these texts carefully.

Symbol

Material losses

(appliance damage, consequential losses and environmen-

tal pollution)

Appliance disposal

 This symbol indicates that you have to do something. The ac-

tion you need to take is described step by step.

1.3 Units of measurement

Note

Unless speciﬁed otherwise, all dimensions are given in

mm.

!

OPERATION

Safety

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2. Safety

2.1 Intended use

The appliance is intended for domestic use. It can be used safely

by untrained persons. The appliance can also be used in non-do-

mestic environments, e.g. in small businesses, as long as it is

used in the same way.

This appliance is suitable for heating domestic hot water or for

reheating preheated water. The appliance is designed for one hand

washbasin.

Any other use beyond that described shall be deemed inappro-

priate. Observation of these instructions and of the instructions

for any accessories used is also part of the correct use of this

appliance.

2.2 General safety instructions

DANGER Scalding

The tap can reach temperatures of up to 55°C. There is a

risk of scalding at outlet temperatures in excess of 43°C.

!

WARNING Injury

The appliance may be used by children aged3 and older

and persons with reduced physical, sensory or mental

capabilities or a lack of experience and know-how, pro-

vided that they are supervised or they have been in-

structed on how to use the appliance safely and have

understood the potential risks. Children must never play

with the appliance. Cleaning and user maintenance must

not be carried out by children without supervision.

DANGER Electrocution

Any damaged power cables must be replaced by a qual-

iﬁed electrician. This prevents potential hazards from

arising.

!

Material losses

Protect the appliance and tap against frost.

!

Material losses

Only use the special aerator provided. Prevent scale

build-up at the tap outlets (see chapter "Cleaning, care

and maintenance").

2.3 Test symbols

See type plate on the appliance.

ENGLISH

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OPERATION

Appliance description

3. Appliance description

The electronically controlled mini instantaneous water heater

maintains a constant outlet temperature up to its output limit,

irrespective of the inlet temperature.

This appliance has been factory-set to the outlet temperature

required for washing hands. Once this temperature has been

reached, the PCB automatically reduces the output. The output is

matched to the required temperature, this prevents the temper-

ature being exceeded.

The appliance heats the water directly at the draw-off point as

soon as the tap is opened. The short pipe runs ensure that energy

and water losses are minimal.

The DHW output depends on the cold water temperature, the heat-

ing output and the ﬂow rate.

The bare wire heating system is suitable for hard and soft water

areas. This heating system has a low susceptibility to scale build-

up. The heating system ensures quick and efﬁcient DHW provision

at the hand washbasin.

Your qualiﬁed contractor can adjust the maximum temperature

and ﬂow rate (see chapter "Commissioning/ Settings").

Fitting the special aerator supplied provides an optimum water jet.

4. Settings

The appliance heating system switches on automatically as soon

as you open the DHW valve at the tap or activate the sensor of a

sensor tap. The water is heated. The water temperature can be

adjusted at the tap:

For the starting ﬂow rate and ﬂow rate limiting, see chapter "Spec-

iﬁcation".

Increasing the temperature

 Reduce the ﬂow rate at the tap.

Reducing the temperature

 Open the tap further or add more cold water.

Following an interruption to the water supply

See chapter "Commissioning/ Recommissioning".

OPERATION

Cleaning, care and maintenance

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5. Cleaning, care and maintenance

 Never use abrasive or corrosive cleaning agents. A damp

cloth is sufﬁcient for cleaning the appliance.

 Check the taps regularly. Limescale deposits at the tap out-

lets can be removed using commercially available descaling

agents.

 Have the electrical safety of the appliance regularly checked

by a qualiﬁed contractor.

 Regularly descale or replace the special aerator (see chapter

"Appliance description/Accessories").

6. Troubleshooting

Problem Cause Remedy

The appliance will not

start despite the DHW

valve being fully open.

No power at the appli-

ance.

Check the fuse/MCB in

your fuse box/distribu-

tion board.

The aerator in the tap is

scaled up or dirty.

Clean and/or descale the

aerator or replace the

special aerator.

The water supply has

been interrupted.

Vent the appliance and

the cold water inlet line

(see chapter "Settings").

The required tempera-

ture is not being reached.

The maximum tempera-

ture set inside the appli-

ance is too low.

Have your qualified con-

tractor adjust the maxi-

mum temperature.

The appliance has

reached its output limit.

Reduce the flow rate.

If you cannot remedy the fault, notify your qualiﬁed contractor.

To facilitate and speed up your request, provide the number from

the type plate (000000-0000-00000).

EIL . . .

Model:

000000

E no.:

F no.:

0000-00000

ENGLISH

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INSTALLATION

Safety

INSTALLATION

7. Safety

Only a qualiﬁed contractor should carry out installation, commis-

sioning, maintenance and repair of the appliance.

7.1 General safety instructions

We guarantee trouble-free function and operational reliability only

if original accessories and spare parts intended for the appliance

are used.

!

Material losses

Observe the max. permissible inlet temperature. Higher

temperatures may damage the appliance. You can limit

the inlet temperature by installing a central thermostatic

valve.

WARNING Electrocution

This appliance contains capacitors which are discharged

when disconnected from the power supply. The capacitor

discharge voltage may brieﬂy reach >34VDC.

7.2 Instructions, standards and regulations

Note

Observe all applicable national and regional regulations

and instructions.

The speciﬁc electrical resistance of the water used must not fall

below that stated on the type plate. In a linked water network,

factor in the lowest electrical resistance of the water (see chapter

"Speciﬁcation/ Data table"). Your water supply utility will advise

you of the electrical resistivity or conductivity of the water in your

area.

8. Appliance description

8.1 Standard delivery

The following are delivered with the appliance:

- Sieve inside the cold water inlet

- Special aerator

- Connection hose 3/8, 500mm long, with gaskets*

- Tee 3/8*

- Company logo for oversink installation

*for the connection as pressure-tested appliance

INSTALLATION

Preparation

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8.2 Accessories

Special aerator

Note

Fitting the special aerator supplied provides an optimum

water jet.

Taps/valves

 Use suitable taps.

Non-pressurised taps

- MAW (OT) Wall mounted tap for oversink installation

- MAZ (UT) Twin lever basin tap

- MAE (UTE) Mono lever basin tap

Pressure-tested taps

Suitable pressure-tested taps are available from specialist trade

shops.

9. Preparation

 Flush the water line thoroughly.

Water installation

No safety valve is required.

10. Installation

10.1 Installation site

Install the appliance in a room free from the risk of frost and near

the draw-off tap.

Ensure that the lateral ﬁxing screws for the cover are always ac-

cessible.

The appliance is suitable for undersink installation (water con-

nections at the top) and oversink installation (water connections

at the bottom).

DANGER Electrocution

The adjusting screw for setting the ﬂow rate is 'live', and

the IP 25 protection is only given when the appliance

back panel is ﬁtted.

 Always ﬁt the appliance back panel.

ENGLISH

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INSTALLATION

Installation

10.2 Installation options

10.2.1 Undersink installation

Non-pressurised, with non-pressurised tap

26�02�05�0086

Pressure-tested, with pressure-tested tap

26�02�05�0094

Appliance installation

Note

 Mount the appliance on the wall.

The wall must have sufﬁcient load bearing capacity.

INSTALLATION

Installation

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





26�02�05�0042

 Undo the cover ﬁxing screws by two turns.

 Undo the snap fastener using a screwdriver.

 Remove the appliance cover with the heater towards the

front.

 Using pliers, break out the knock-out for the power cable

in the appliance cover. Correct the contours with a ﬁle if

necessary.

26�02�05�0084

 Use the appliance back panel as a drilling template.

 Secure the appliance back panel to the wall with suitable

rawl plugs and screws.







26�02�05�0085

 Route the power cable through the cable entry in the back

panel.

ENGLISH

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INSTALLATION

Installation

 Hook in the appliance cover with the heater at the bottom.

 Click the heater into place using the snap fastener.

 Secure the appliance cover with the cover ﬁxing screws.

Tap installation

 Install the tap. For this, also observe the tap operating and

installation instructions.

!

Material losses

 When making the connections, counter the torque

on the appliance using a size 14 spanner.

Pressure-tested tap

Note

 Fit the 3/8 connection hose and the 3/8 tee provided.

10.2.2 Oversink installation, non-pressurised, with non-

pressurised tap

26�02�05�0033

Tap installation

 Install the tap. For this, also observe the tap operating and

installation instructions.

!

Material losses

 When making the connections, counter the torque

on the appliance using a size 14 spanner; see chap-

ter "Installation alternatives/ Undersink installa-

tion".

INSTALLATION

Installation

14 | EIL Premium www.stiebel-eltron.com

Appliance installation

 Fit the appliance to the tap with the water connections.

10.3 Making the electrical connection

DANGER Electrocution

Carry out all electrical connection and installation work

in accordance with relevant regulations.

DANGER Electrocution

Ensure that the appliance is earthed.

Ensure the appliance can be separated from the power

supply by an isolator that disconnects all poles with at

least 3mm contact separation.

DANGER Electrocution

The appliances are delivered with a power cable

(EIL3Premium with plug).

Connection to a permanent power supply is possible,

provided the ﬁxed cable has a cross-section that is at

least equal to that of the standard power cable of the

appliance. A maximum cross-section of 3x6mm² may

be used.

 If the appliance is installed over the sink, route the

power cable behind the appliance.

!

Material losses

When making the connection to a standard safety socket

(in the case of a power cable with plug), ensure that the

socket is freely accessible after the appliance has been

installed.

!

Material losses

Observe the type plate. The speciﬁed voltage must match

the mains voltage.

 Connect the power cable as shown in the wiring diagram

(see chapter "Speciﬁcation/ Wiring diagram").

ENGLISH

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INSTALLATION

Commissioning

11. Commissioning

11.1 Initial start-up

26�02�05�0087

 Fill the appliance by running the tap several times until the

pipework and appliance are free of air.

 Carry out a tightness check.

 Insert the power cable plug, if present, into the standard

safety socket or set the fuse/MCB.

 Check the appliance function.

 In the case of oversink installation, afﬁx the company logo

supplied over the existing company logo.

11.2 Appliance handover

 Explain the appliance function to users and familiarise them

with how it works.

 Make the user aware of potential dangers, especially the risk

of scalding.

 Hand over these instructions.

11.3 Recommissioning

!

Material losses

Following an interruption of the water supply, recommis-

sion the appliance by carrying out the following steps,

in order to prevent irreparable damage to the bare wire

heating system.

 Isolate the appliance from the power supply. Pull the power

cable plug, if present, from the socket, or remove the fuse/

reset the MCB.

 See chapter "Initial start-up".

11.4 Settings

You can alter the maximum ﬂow rate and temperature.

DANGER Electrocution

The ﬂow rate and temperature may only be adjusted if

the appliance is isolated from the power supply.

 Isolate all poles of the appliance from the power supply.

DANGER Electrocution

The adjusting screw for changing the ﬂow rate and the

potentiometer for setting the temperature are live if the

appliance has not been isolated from the power supply.

INSTALLATION

Commissioning

16 | EIL Premium www.stiebel-eltron.com

26�02�05�0088

 Remove the appliance cover.

Setting the maximum temperature

Factory setting: 38 °C

30°C

38°C

50°C

D0000042035

 Using a screwdriver, set the potentiometer to the maximum

required temperature.

 Fit the appliance cover.

ENGLISH

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INSTALLATION

Appliance shutdown

Limiting the ﬂow rate

Factory setting: Maximum ﬂow rate

26�02�05�0079�

 Using the adjusting screw, set the maximum required ﬂow

rate:

- Lowest ﬂow rate = wind the screw in as far as it will go.

- Highest ﬂow rate = wind the screw out as far as it will go.

 Fit the appliance cover.

12. Appliance shutdown

 Isolate the appliance from the power supply by means of the

fuse/MCB in your fuse box or by pulling the power cable plug

from the socket.

 Drain the appliance (see chapter "Maintenance").

13. Troubleshooting

Problem Cause Remedy

The appliance will not

start despite the DHW

valve being fully open.

The aerator in the tap is

scaled up or dirty.

Clean and/or descale the

aerator or replace the

special aerator.

The flow rate is set too

low.

Increase the flow rate.

The sieve in the cold

water line is blocked.

Clean the sieve after

shutting off the cold

water inlet line.

The heating system is

faulty.

Check the resistance of

the heating system and

replace the appliance if

required.

The safety pressure limit-

er has responded.

Remedy the cause of

the fault. Isolate the ap-

pliance from the power

supply and depressurise

the water line. Activate

the safety pressure

limiter.

The required tempera-

ture is not being reached.

The appliance has

reached its output limit.

Reduce the flow rate.

INSTALLATION

Troubleshooting

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LED indicators

26�02�05�0082�

321

1 Illuminates red in the case of a fault

2 Illuminates yellow during heating operation

3 Flashes green if the PCB is receiving power

Activating the safety pressure limiter

1

2

D0000039769

1 1-pole safety pressure limiter EIL4Premium / EIL6Premium

2 2-pole safety pressure limiter EIL3Premium / EIL7Premium

ENGLISH

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INSTALLATION

Maintenance

14. Maintenance

DANGER Electrocution

Before any work on the appliance, disconnect all poles

from the power supply.

14.1 Draining the appliance

DANGER Scalding

Hot water may escape during draining.

If the appliance needs to be drained for maintenance or to protect

the whole installation when there is a risk of frost, proceed as

follows:

 Close the shut-off valve in the cold water inlet line.

 Open the draw-off valve.

 Undo the water connections on the appliance.

14.2 Clean strainer

You can clean the ﬁtted strainer after removing the cold water

supply pipe.

26�02�05�0065�

INSTALLATION



20 | EIL Premium www.stiebel-eltron.com

14.3 Tests in accordance with VDE0701/0702

Earth conductor check

 Check the earth conductor (in Germany e.g. DGUV A3) on the

earth conductor contact of the power cable and on the appli-

ance connector.

Insulation resistance

Due to the electronic control of this appliance, an insulation re-

sistance test to VDE0701/0702 cannot be carried out.

 To check the effectiveness of the insulating properties of the

appliance, we recommend conducting a differential cur-

rent test of the earth conductor current/ leakage current to

VDE0701/0702 (Fig. C.3b).

14.4 Appliance storage

 Store the dismantled appliance free from the risk of frost, as

water residues remaining inside the appliance can freeze and

cause damage.

14.5 Replacing the power cable for the

EIL6Premium

 If replacing the cable for the EIL6Premium, use a power

cable with 4mm² cross-section

15. Speciﬁcation

15.1 Dimensions and connections

95

28

30

120

143

190

4,8

165

82

20

b02

b03

c06

c01

D0000018336

b02 Entry for electrical cables I

b03 Entry electrical cables II

c01 Cold water inlet Male thread G 3/8 A

c06 DHW outlet Male thread G 3/8 A

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