STIEBEL ELTRON DX 35 E User manual

This shower water heater must be installed (water and electrical installation),
commissioned and serviced by approved service technicians in
accordance with these instructions.
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English
Instantaneous shower water heater - Operation and installation instructions

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DX 35 E / 45 E

STIEBEL ELTRON
2
General information

General information
The chapter Operation is intended for
users and qualified installers.
The chapter Installation is intended for
qualified installers.
Read these instructions
carefully before using the
appliance and retain them for
future reference. If the appliance
is passed on to a third party please
hand these instructions to the new
user.
This appliance can be
used by children aged
from 8 years and above and
persons with reduced
physical, sensory or mental
capabilities or lack of
experience and knowledge if
they have been given
supervision or instruction
concerning use of the
appliance in a safe way and
understand the hazards
involved.
Children shall not play
with the appliance.
Cleaning and user
maintenance shall not be
made by children without
supervision.
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

STIEBEL ELTRON 3
English
1. Installation instruction ................................................................................................................... 4
1.1 Components of the unit ............................................................................................................ 6
1.2 Installing the unit ......................................................................................................................... 7
2. Operation instruction ...................................................................................................................... 10
2.1 Description of the unit ................................................................................................................ 10
2.2 The essentials - in brief ............................................................................................................... 11
2.3 Important information (ELSD) ................................................................................................. 11
2.4 Technical data ............................................................................................................................... 12
2.5 Hot water capacity ....................................................................................................................... 13
2.6 Important note .............................................................................................................................. 13
2.7 Regulations and provisions ...................................................................................................... 13
2.8 Installation location ..................................................................................................................... 13
2.9 First operation ............................................................................................................................... 14
2.10 Care and maintenance ............................................................................................................. 14
2.11 Service note ................................................................................................................................. 14
3. Guarantee ............................................................................................................................................. 15
4. Fault elimination for the user ...................................................................................................... 15
Content


STIEBEL ELTRON
4
1. Installation Instruction for the qualied installer
min. 4.5 mm
max. 5.5 mm
15
4 x 35 mm
6 mm
4 x 35 mm
6 mm
76 mm
264 mm
90 mm
186 mm
m
m
6
Fig 1
Fig 2

STIEBEL ELTRON 5
1. Installation Instruction for the qualied installer
115 mm
50 mm
A - Heating Element
B - Electronic control set (Phase Cut)
C - ELSD Circuit
D - Triac Set
E - Double Action Thermostat
F - ELSD-Button Board
G - ELSD Sensor Coil
Flow Sw.
220-240 V. AC. ONLY
NBC
A
D
E
F
G
Wiring diagram
Type DX...E
Fig 5
Fig 3 Fig 4

STIEBEL ELTRON
6
1. Installation Instruction for the qualied installer
1.1 Components of the unit
1 Upper fixing hole
2 Double auto thermostat
3 Terminal block
4 Cable entry with seal
5 Power light
6 Rotary control for temperature
adjustment
7 Reed switch control
8 Cold water connection
9 Hot water connection for
shower hose
10 Combination filter
11 Washer
12 ELSD (option)
13 Lower fixing hole
14 Plastic tank
1
2
14
12
13
9
11
3
4
6
5
7
8
10
Fig 6

STIEBEL ELTRON 7
1. Installation Instruction for the qualied installer
1.2 Installing the unit
Switch off main breaker for
water heater.
- Determine the position of the drill holes
by installation template and drill the
holes (Fig 1).
- Insert a wall plug and screw in (the
depth of the protruding screw head
must be correct) (Fig 1 No. 15).
- Remove the screw from underneath
- Open the cover of the unit.
- A circuit breaker or power control switch
should be installed before the unit.
The size of the circuit breaker must
correspond to the voltage of the heater
(check the size of the circuit breaker in
the Technical Information section).
- Insert the cable through the rubber seal
at the rear of the unit. Please ensure that
the power is turned off at the mains.
- Hang the unit on the screws mounted on
the wall, and slide the heater down into
position.
Fig 7
Fig 8
Fig 9
Fig 10

STIEBEL ELTRON
8
1. Installation Instruction for the qualied installer
- Measure and cut the insulation at the
end of the wire in preparation.
- Fit a secure connection cable ensure
dimension are correct.
(See cable size in Technical Data)
- Straighten the unit and tighten the
screws.
- After installation is complete, close
the cover and screw in tightly.
Fig 11
Fig 12
Fig 13
Fig 14

STIEBEL ELTRON 9
1. Installation Instruction for the qualied installer
- Turn the rotary control to the “Off”
position.
- The knob will automatic correct
the position.
- Fit the filter and silicone gasket .
- Fit the cold water pipe thoroughly.
- Fit the silicone gasket shower
accessories to the hot water pipe
thoroughly.
Fig 15
Fig 16
Fig 17
Fig 18

STIEBEL ELTRON
10
2. Operation Instruction for the user and the qualied installer
2.1 Description of the unit.
The Stiebel Eltron DX pressureless
(open) instantaneous water heater is
a device for heating water for shower.
The electrical power is electronically
controlled.
The “Power” light (b) (Fig 19) indicates
that the unit is switched on. If the tem-
perature adjustment rotary (a) (Fig 19)
switch is turned to the left, it is possible
to take a cold shower (the heating will
not be switched on).
The DX is fitted with an overheating
protection device. In the event of
overheating the heating power will be
cut off.
This appliance is designed for domestic
use. It can be used safely by untrained
persons. The appliance can also be used
in a non-domestic environment, e.g. in
a small business,as long as it is used in
the same way.
Warning Injury
The appliance may be used by
children aged 8 and up and persons
with reduced physical, sensory or
mental capabilities or a lack of experience
provided that they are supervised or
they have been instructed on how to
use the appliance safely and have
understood the resulting risks.
Children must never play with the
appliance. Children must never clean
the appliance or perform user mainte-
nance unless they are supervised.

STIEBEL ELTRON 11
2. Operation Instruction for the user and the qualied installer
2.2 The essentials - in brief (Fig 19)
a) Rotary control for temperature
adjustment
b) “Power” light
c) Shower accessories
d) ELSD “Reset” button
e) ELSD “Trip” light
f) ELSD “Test” button
2.3 Important information (ELSD)
The unit is optionally equipped
with an ELSD (Type DX..E only) It
is recommended to test the ELSD one
time per month.
How to test:
Switch on the electrical supply. Press the
Test button, the Trip light will go on.
Press the Reset button.
c
a
b
d
e
f
Warning!
If the Trip light activate after
reset or if the light activate during
shower, never try to fix it. Contact
your dealer for a check and repair.
Warning!
If, during a shower , the water
valve is closed, (such as applying
soap to the body), then valve opened
again, high water temperature may
occur, to avoid risk of scalding, stay
any from the shower head discharge
zone momentarily.
The unit must not be put under
pressure. The outlet of the unit
is also used as a vent. A periodical
scale removal is essential for the
function of the shower head.
Shower head level must not be higher than the unit.
Fig 19

STIEBEL ELTRON 13
2. Operation Instruction for the user and the qualied installer
2.5 Hot water capacity
The hot water capacity depends on the
power of the unit, the cold water tem-
perature, and the flow volume.
2.6 Important note
All the information in these
Operating and Installation
Instructions must be carefully followed.
These instructions provide important
details regarding the safety, operation,
installation, and maintenance of the
unit.
The unit must be earthed
properly (see circuit diagram
(Fig 5)
The outlet must not be connected
to any tab or tting other than
those specied.
The appliance is not to be installed
in locations where freezing can
occur.
2.7 Regulations and Provisions
- Regulations of the local power
supply company should be
observed.
- Regulations of the water supply
company should observed
- Technical data.
- Install the unit flush with the wall.
- Electrical connection to be secure.
- New hose-sets are to be used* and
old hose-sets should not be
reused..
The device must be capable of
being isolated from the mains,
for example by fuses, with an isolating
distance of at least 3.5 mm. in all poles.
If the supply cord is damaged,
it must be replaced by the
manufacturer, its service agent or
similarly qualified persons in order to
avoid a hazard.
The unit must be earthed
(see circuit diagram). To protect
against water penetration, the cable
seal (Fig 6 no. 4) must be used.
Connection wires in correct
polarity (L,N).
●Connecting wires in wrong polarity
(L,N) causes an abnormal condition
which may lead to electric leaking,
burning, etc.
2.8 Installation location
The shower unit is to be
installed in a closed, frost-free
room (disconnected units are to be
stored in a frost-free location, since
there will always be some water left in
the unit)
The DX is to be installed vertically on a
wall (hot water connection
downwards).
* (not included)

STIEBEL ELTRON
14
2. Operation Instruction for the user and the qualied installer
2.9 First operation
(Only to be carried out by a qualified
installer)
Handing over the unit
Explain to the user how the unit works
and familiarise him or her with its use.
- Advise the user about possible
hazards (high water temperature)
- Hand over these instructions, to be
kept in a safe place.
2.10 Care and Maintenance
All that is needed for the housing is a
damp cloth. Do not use any abrasive
cleaning agents or agents containing
solvents.
Maintenance work may only
be carried out by a qualified
installer.
- Clean the filter
Disconnect water valve, remove filter
(Fig 6 No. 10) and clean. Re-assemble
in reverse order.
2.11 Service note
When carrying out any work,
isolate the unit from the mains
and shut off the water connection.

STIEBEL ELTRON 15
3. Guarantee
For guarantees please refer to the
respective terms and conditions of
supply for your country.
The installation, electrical
connection and first operation
of this appliance should be carried out
by a qualified installer.
The company does not accept
liability for any failure caused
by improper installation and / or
unauthorized installers.
Fault Cause Rectification
No hot water despite water
flow through the unit.
- The water flow volume
required for the unit
to turn on has not
been reached.
- Increase flow volume
- The shower head is
blocked with dirt or
limescale.
- Clean shower head
or remove limescale.
- ELSD activated. - Press “Reset” button.
4. Fault elimination for user