STIEBEL ELTRON DHB-E 13 LCD Specification sheet

OPERATION AND INSTALLATION
Electronically controlled comfort instantaneous water heater
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CONTENTS | SPECIAL INFORMATION
SPECIAL INFORMATION
OPERATION
1. General information �����������������������������������������3
1.1 Safety instructions����������������������������������������������� 3
1.2 Other symbols in this documentation ����������������������� 3
1.3 Units of measurement ������������������������������������������ 3
2. Safety����������������������������������������������������������3
2.1 Intended use������������������������������������������������������ 3
2.2 General safety instructions ������������������������������������ 4
2.3 Test symbols ������������������������������������������������������ 4
3. Appliance description ���������������������������������������4
4. Settings and displays ����������������������������������������4
4.1 Selecting the set temperature��������������������������������� 4
4.2 Recommended settings ���������������������������������������� 5
5. Cleaning, care and maintenance ���������������������������5
6. Troubleshooting ����������������������������������������������5
INSTALLATION
7. Safety����������������������������������������������������������6
7.1 General safety instructions ������������������������������������ 6
7.2 Shower operation������������������������������������������������ 6
7.3 Instructions, standards and regulations �������������������� 6
8. Appliance description ���������������������������������������6
8.1 Standard delivery������������������������������������������������ 6
8.2 Accessories�������������������������������������������������������� 6
9. Preparation ���������������������������������������������������6
9.1 Installation location ��������������������������������������������� 6
9.2 Minimum clearances�������������������������������������������� 7
9.3 Water installation������������������������������������������������ 7
10. Installation����������������������������������������������������7
10.1 Standard installation�������������������������������������������� 7
11. Commissioning ��������������������������������������������� 10
11.1 Preparation ������������������������������������������������������ 10
11.2 Initial start-up��������������������������������������������������� 10
11.3 Recommissioning����������������������������������������������� 11
12. Appliance shutdown ��������������������������������������� 11
13. Alternative installation methods ������������������������� 11
13.1 Electrical connection from above on unfinished walls�� 12
13.2 Electrical connection on unfinished walls with short
power cable������������������������������������������������������ 12
13.3 Electrical connection on finished walls �������������������� 12
13.4 Water installation on unfinished walls ��������������������� 13
13.5 Wall mounting bracket when replacing appliance������� 13
13.6 Installation with offset tiles����������������������������������� 13
13.7 Pivoting appliance cover �������������������������������������� 14
13.8 Operation with preheated water ���������������������������� 14
13.9 Horizontal installation of the appliance�������������������� 14
14. Service information ���������������������������������������� 15
15. Troubleshooting �������������������������������������������� 15
16. Maintenance ������������������������������������������������ 16
17. Specification ������������������������������������������������ 16
17.1 Dimensions and connections ��������������������������������� 16
17.2 Wiring diagram ������������������������������������������������� 17
17.3 Domestic hot water output ����������������������������������� 17
17.4 Application areas/ Conversion table ����������������������� 17
17.5 Pressure drop ��������������������������������������������������� 17
17.6 Fault conditions ������������������������������������������������� 18
17.7 Data table �������������������������������������������������������� 18
ENVIRONMENT AND RECYCLING
WARRANTY
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
maintenance by the user may not be carried
out by children unless they are supervised.
- If using preheated water, the tap can reach a
temperature of up to 70°C during operation.
There is a risk of scalding at outlet tempera-
tures in excess of 43°C.
- The appliance is suitable for supplying a
shower (shower operation). If the appliance
is also or exclusively used for shower oper-
ation, the qualified contractor must adjust
the temperature setting range to 43°C using
the internal anti-scalding protection on the
appliance. When using preheated water,
ensure that the inlet temperature does not
exceed55°C.
- In Australia, the use of a temperature control-
ler is required to meet the requirements of
AS3498 when showers, bathtubs or washba-
sins are supplied with water. The maximum
temperature of 50°C must not be exceeded.

OPERATION
General information
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- 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 power
supply.
- The appliance must be connected to the earth
conductor.
- The appliance must be permanently connect-
ed to fixed wiring.
- 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").
- Drain the appliance as described in chapter
"Installation/ Maintenance/ Draining the
appliance".
OPERATION
1. General information
The chapters "Special information" and "Operation" are intended
for both users and qualified 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.
f Steps to prevent the risk are listed.
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
General information is identified by the adjacent symbol.
f Read these texts carefully.
Symbol Meaning
Material losses
(appliance damage, consequential losses and environmen-
tal pollution)
Appliance disposal
f 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
All measurements are given in mm unless stated oth-
erwise.
2. Safety
2.1 Intended use
This appliance is suitable for heating domestic hot water or for
reheating preheated water. The appliance can supply one or more
draw-off points.
Water will not be reheated if the maximum inlet temperature for
reheating is exceeded.
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.
!
!

OPERATION
Appliance description
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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
CAUTION Burns
If using preheated water, the tap can reach a temper-
ature of up to 70°C during operation. There is a risk of
scalding at outlet temperatures in excess of 43°C.
CAUTION Burns
If operating with preheated water, e.g.from a solar ther-
mal system, the DHW temperature may vary from the
selected set temperature.
CAUTION Burns
If children or persons with limited physical, sensory
or mental capabilities use the appliance, a permanent
and unchangeable temperature limit is necessary. Ask
a qualified contractor to set the internal anti-scalding
protection.
!
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. Children must never clean the ap-
pliance or perform user maintenance unless they are
supervised.
!
WARNING
For continued safety of this appliance it must be in-
stalled, operated and maintained in accordance with
the manufacturer’s instructions.
!
WARNING
This appliance may deliver water at high temperature.
Refer to the plumbing code of Australia (PCA), local re-
quirements and installation instructions to determine
if additional delivery temperature control is required.
!
Material losses
The user should protect the appliance and its tap against
frost.
2.3 Test symbols
See type plate on the appliance
3. Appliance description
The appliance switches on automatically as soon as you open the
hot water valve on the tap. When you close the tap, the appliance
switches off again automatically.
The appliance heats water as it flows through it. The set tempera-
ture is adjustable. Upwards of a certain flow rate, the control unit
selects the required heating output, subject to the temperature
selected and the cold water temperature.
The electronically controlled instantaneous water heater with au-
tomatic output matching maintains a consistent outlet tempera-
ture. It is irrespective of the inlet temperature, up to the maximum
output of the appliance.
If the appliance is operated with preheated water and the inlet
temperature exceeds the set temperature, the water is not heated
further.
Heating system
The bare wire heating system is enclosed within a pressure-tested
plastic jacket. The heating system with its stainless steel internal
indirect coil is suitable for hard and soft water areas and is largely
insusceptible to scale build-up. The heating system ensures rapid
and efficient DHW provision.
Note
The appliance is equipped with an air detector that large-
ly prevents damage to the heating system. If, during op-
eration, air is drawn into the appliance, the appliance
shuts down for one minute, thereby protecting the heat-
ing system.
4. Settings and displays
4.1 Selecting the set temperature
D0000076841
2
1
3
1 Temperature selector for adjusting set temperature (no end-
stop): "OFF", 20 - 60°C
2 Display
3 Temperature unit [°C/°F]
Temperature settings in steps
Temperature range Step Temperature range Step
20°C ... 60°C 1°C 68°F ... 140°F 1°F

OPERATION
Cleaning, care and maintenance
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Selecting the temperature indicator
You can choose to display the temperature in °C or °F, as required.
f Turn the temperature selector anti-clockwise, past the OFF
indicator and another five complete turns, until you find
yourself in temperature unit selection mode. Then select the
temperature unit using the temperature selector. After 30
seconds, the appliance exits selection mode automatically
and the selected temperature unit is retained.
Note
If the outlet temperature is not high enough when the
draw-off valve is fully open and the temperature selector
is set to maximum, then more water is flowing through
the appliance than can be heated by the heating system
(appliance working at maximum output).
f Reduce the water volume until the preferred tem-
perature delivery is achieved.
4.2 Recommended settings
Your instantaneous water heater offers maximum precision and
maximum convenience in DHW provision. Should you nonetheless
be operating the appliance with a thermostatic valve, we recom-
mend that you:
f Adjust the set temperature on the appliance to over 50°C.
Then set the required set temperature on the thermostatic
valve.
Saving energy
The following recommended settings will result in the lowest en-
ergy consumption:
- 38°C for hand washbasins, showers, bath
- 55°C for kitchen sinks
Temperature limit via internal anti-scalding protection
(qualified contractor)
If required, the qualified contractor can set a permanent temper-
ature limit, forexample in nurseries, hospitals etc.
Limiting it in this way prevents water from flowing out of the
appliance at temperatures which could cause injury.
Recommended setting for operation with a thermostatic valve
and water preheated by solar energy
f Set the temperature at the instantaneous water heater to the
maximum temperature.
Following an interruption to the water supply
!
Material losses
To ensure that the bare wire heating system is not dam-
aged following an interruption to the water supply, the
appliance must be restarted taking the following steps.
f Disconnect the appliance from the power supply by
removing the fuses/tripping the MCBs.
f Open the tap for one minute until the appliance and
its upstream cold water inlet line are free of air.
f Switch the power back ON.
5. Cleaning, care and maintenance
f Never use abrasive or corrosive cleaning agents. A damp
cloth is sufficient for cleaning the appliance.
f Check the taps regularly. Limescale deposits at the tap out-
lets can be removed using commercially available descaling
agents.
6. Troubleshooting
Problem Cause Remedy
The appliance will not
start despite the DHW
valve being fully open.
There is no power. Check the fuses/MCBs in
your fuse box/distribu-
tion board.
The aerator in the tap or
the shower head is scaled
up or soiled.
Clean and/or descale the
aerator or shower head.
The water supply has
been interrupted.
Vent the appliance and
the cold water inlet line.
When hot water is being
drawn off, cold water
flows for a short period.
The air detector de-
tects air in the water. It
switches off the heating
output briefly.
The appliance restarts
automatically after
1minute.
The required tempera-
ture cannot be set.
Internal anti-scalding
protection is activated.
The internal anti-scalding
protection can only be
adjusted by the qualified
contractor.
Note
Programming unit displays and selected settings are re-
tained following a power failure.
If you cannot remedy the fault, contact your qualified contractor.
To facilitate and speed up your request, provide the number from
the type plate (000000-0000-000000).
Nr.000000-0000-00000
Nr. 000000-0000-00000
D0000053312

INSTALLATION
Safety
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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 maximum inlet temperature. Higher tem-
peratures may damage the appliance. You can limit
the maximum inlet temperature by installing a central
thermostatic valve (see chapter "Appliance description/
Accessories").
WARNING Electrocution
This appliance contains capacitors which are discharged
when disconnected from the power supply. The capacitor
discharge voltage may briefly exceed60VDC.
7.2 Shower operation
CAUTION Burns
-The appliance is suitable for supplying a shower
(shower operation). If the appliance is also or exclu-
sively used for shower operation, the qualified con-
tractor must adjust the temperature setting range to
43°C using the internal anti-scalding protection on
the appliance. When using preheated water, ensure
that the inlet temperature does not exceed 55°C.
-In Australia, the use of a temperature controller is
required to meet the requirements of AS3498 when
showers, bathtubs or washbasins are supplied with
water. The maximum temperature of 50°C must not
be exceeded.
7.3 Instructions, standards and regulations
Note
Observe all applicable national and regional regulations
and instructions.
Note
The installation of this appliance shall conform to the
Plumbing Code of Australia (PCA), and the New Zealand
Building Code.
- The IP24/ IP25 protection rating can only be ensured with a
correctly fitted cable grommet.
- The specific electrical resistance of the water must not fall
below that stated on the type plate. In a linked water net-
work, factor in the lowest electrical resistance of the water.
Your water supply utility will advise you of the specific elec-
trical water resistance or conductivity.
8. Appliance description
8.1 Standard delivery
The following are delivered with the appliance:
- Wall mounting bracket
- Installation template
- 2 plugs
- 2 extensions
- 2 caps
- 2 tees
- 8 flat gaskets
- Strainer
- Plastic profile washer
- Plastic connection pieces/ Installation aid
- Cap and back panel guides
- Jumper for internal anti-scalding protection
8.2 Accessories
Wireless remote control
- FFB 4 Set AP
9. Preparation
9.1 Installation location
!
Material losses
Install the appliance in a room free from the risk of frost.
f Always install the appliance vertically and near the draw-off
point. For horizontal installation, see chapter "Alternative in-
stallation methods/ Horizontal installation of the appliance".
The appliance is suitable for undersink and oversink installation.
Undersink installation
D0000056242
1
2
1 Cold water inlet
2 DHW outlet

INSTALLATION
Installation
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Oversink installation
12
D0000057030
1 Cold water inlet
2 DHW outlet
Note
f Mount the appliance on the wall. The wall must have
sufficient load bearing capacity.
9.2 Minimum clearances
≥50≥50
≥90
≥90
D0000060809
f Maintain the minimum clearances to ensure trouble-free op-
eration of the appliance and facilitate maintenance work.
9.3 Water installation
f Flush the water line thoroughly.
Taps/valves
Use appropriate pressure taps. Open vented taps are not per-
missible.
Permissible water line materials
- Cold water inlet line:
Pipes made from galvanised steel, stainless steel, copper or
plastic
- DHW outlet line:
Stainless steel pipe, copper pipe or plastic pipe
!
Material losses
If plastic pipework systems are used, take into account
the maximum inlet temperature and the maximum per-
missible pressure.
Flow rate
f Ensure that the flow rate for switching on the appliance is
achieved.
f Increase the water line pressure if the required flow rate
is not achieved when the draw-off valve is fully open. If
the flow rate is still not achieved, remove the flow limiter
(see chapter "Installation/ Installation/ Removing the flow
limiter").
10. Installation
Factory settings DHB-E13 LCD
AU
DHB-E18 LCD
AU
DHB-E 27 LCD
AU
Internal anti-scalding
protection
Tmax (= 60 °C) Tmax (= 60 °C) Tmax (= 60 °C)
Standard installa-
tion
DHB-E13LCD
AU
DHB-E18LCD
AU
DHB-E 27 LCD
AU
Electrical connection
from below on unfin-
ished walls
x x x
Water connection, in-
stallation on finished
walls
x x x
For further installation options, see chapter "Alternative instal-
lation methods".
10.1 Standard installation
Opening the appliance
D0000053271
f Open the appliance by holding the fascia at the side and pull-
ing forwards away from the appliance cover. Undo the screw.
Pivot open the appliance cover.
D0000053272
f Remove the back panel by pressing the two locking tabs and
pulling the lower section of the back panel forwards.

INSTALLATION
Installation
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Preparing the power cable on unfinished walls, for connection
from below
160
30
D0000053273
1
1 Cable entry installation aid
f Prepare the power cable.
Fitting the wall mounting bracket
D0000059694
f Mark out the holes for drilling using the installation tem-
plate. If the appliance is to be installed on finished walls, also
mark out the fixing hole in the lower section of the template.
f Drill the holes and secure the wall mounting bracket at
2points using suitable fixing materials (screws and rawl
plugs are not part of the standard delivery).
f Fit the wall mounting bracket.
Preparing the water connection
!
Material losses
Carry out all water connection and installation work in
accordance with regulations.
24
5 Nm
24
5 Nm
19
5 Nm
19
5 Nm
D0000041720
f Remove the caps from the tees.
f Fit the plugs and the extensions with gaskets.
D0000085354
2
1
1 Strainer
2 Plastic profile washer
f Fit the strainer and the plastic profile washer in the tee for
the cold water inlet.
!
Material losses
The strainer must be fitted for the appliance to function.
f When replacing the appliance, check that the strain-
er is present.
Removing the flow limiter
Note
If you are using a thermostatic valve, you must not re-
move the flow limiter.
If the flow rate is too low, remove the flow limiter. To do this,
remove the function module from the appliance back panel.
4.
2.
3.
1.
D0000085494
f Release the locking hook.
f Push the function module in the appliance back panel slightly
towards the back.
f Remove the function module from the appliance back panel
by pulling it slightly forwards and lifting it off.

INSTALLATION
Installation
www.stiebel-eltron.com DHB-E LCD AU | 9
D0000084719
4.
5.
2.
3.
1.
5
1 2 3
4
1 Flow limiter
2 O-ring
3 Cold water pipe bend with recess for locking clip
4 Locking clip
5 Heater
f Remove the cold water pipe bend and the O-ring.
f Remove the flow limiter from the cold water inlet of the heat-
er using a pointed object or suitable pliers.
f Refit the cold water pipe bend and the O-ring.
!
Material losses
The O-ring must be fitted to prevent the appliance from
leaking.
f As part of installation, check that the O-ring is in
place.
f Secure the cold water pipe bend with the locking clip.
!
Material losses
Ensure that the locking clip is located behind the recess
in the pipe bend and fixes the bend in position.
f Mount the function module in reverse order in the appliance
back panel until the function module clicks into place.
Installing the appliance
Note
If you are installing the appliance with flexible pipe con-
nections, also secure the bottom of the back panel with
a screw.
D0000077728
1
2
1 Cable entry installation aid
2 Cable grommet
Use the installation aid for easier wiring access through the cable
grommet (see plastic parts set supplied).
f Remove the cable grommet from the back panel.
f Pull the cable grommet over the cable sheath of the power
cable. For large cable cross-sections, enlarge the hole in the
cable grommet if necessary.
D0000077722
f Remove the transport protection plugs from the appliance
pipe connections.
f Bend the power cable 45° upwards.
f Route the power cable and cable grommet through the back
panel from the rear.
f Install the appliance on the threaded studs of the wall
mounting bracket.
f Press the back panel firmly into place, aligning it correctly.
f Lock the fixing toggle by turning it 90° clockwise.
f Pull the cable grommets into the back panel, until both lock-
ing tabs engage.
24
5 Nm
19
3 Nm
D0000077727
f Screw the pre-assembled parts with flat gaskets to the cold
water and DHW pipes of the appliance.
f Fit the cold water inlet pipe and the DHW outlet pipe from
the pipework with flat gaskets to the extensions from the
appliance.

INSTALLATION
Commissioning
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Making the electrical connection
WARNING Electrocution
Carry out all electrical connection and installation work
in accordance with relevant regulations.
WARNING Electrocution
The connection to the power supply must be in the form
of a permanent connection in conjunction with the re-
movable cable grommet. Ensure the appliance can be
separated from the power supply by an isolator that dis-
connects all poles with at least 3mm contact separation.
WARNING Electrocution
Ensure that the appliance is earthed.
!
Material losses
Observe the type plate. The specified rated voltage must
match the mains voltage.
f Connect the power cable to the mains terminal.
D0000053286
2
3
1
1 Lower back panel section
2 Connection piece in the standard delivery
3 Screw
If using threaded fittings on finished walls, the lower back panel
section can also be installed after fitting the taps/valves. To do
this, carry out the following steps:
f Cut open the lower section of the back panel.
f Fit the lower section of the back panel by bending it out at
the sides and guiding it over the pipes.
f Insert the connection pieces into the lower section of the
back panel from behind.
f Click the lower section of the back panel into place.
Secure the lower back panel section with a screw.
!
Material losses
The cover plate of the lower back panel section must not
bend when installed.
11. Commissioning
11.1 Preparation
43 °C
Tmax
D0000077020
1
1 Jumper for anti-scalding protection setting
Internal anti-scalding protection via jumper slot
Jumper position Description
43°C
Tmax Factory setting (60°C)
No jumper Limited to 43°C
f Install the anti-scalding protection setting jumper in the re-
quired position on the upper pin strip.
CAUTION Burns
If the appliance is supplied with preheated water, the
internal anti-scalding protection may be exceeded.
f In such cases, limit the temperature with an up-
stream central thermostatic valve.
11.2 Initial start-up
≥ 60 s
D0000053277
f Open and close all connected draw-off valves several times,
until all air has been purged from the pipework and the
appliance.
f Carry out a tightness check.
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f Activate the safety switch by firmly pressing the reset button
(the appliance is delivered with the safety switch disabled).
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f Connect the programming unit connecting cable to the PCB.