STIEBEL ELTRON IS 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.
English
Instantaneous shower water heater - Operation and installation instructions
IS 35 E / 45 E / 60 E
IS 35 E - 2 / 45 E - 2 / 60 E - 2
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 is not
intended for use by
persons (including children)
with reduced physical, sensory
or mental capabilities, or lack
of experience and knowledge
,
unless they have been given
supervision or instruction
concerning use of the appliance
by a person responsible for
their safety.
Children should be
supervised to ensure
that they do not play with the
appliance.
Cleaning and user
maintenance shall not be
made by children without
supervision.
STIEBEL ELTRON 3
General information
This appliance incorporates an
earth connection for functional
purposes only.
Fit only shower heads recom-
mended by the manufacturer
and never fit any additional device to
restrict the water outlet flow.
The spray head must be descaled
regularly.
The outlet must not be connected
to any tap or fitting other than
those specified.
The water inlet of this appliance
shall not be connected to inlet
water obtained from any other water
heating system.
This appliance is not to be used
for a potable water supply.
A disconnecting device having
a contact separation of at least
3mm in all poles must be incorporat-
ed in the fixed wiring in accordance
with the wiring rules.
New hose-sets supplied with the
appliance are to be used and
old hose-sets should not be reused.
STIEBEL ELTRON
4
Content
English
1. Installation instruction ........................................................................................................................................ 5
1.1 Description of the unit .................................................................................................................................... 7
1.2 Installing the unit .............................................................................................................................................. 8
2. Operation instruction ........................................................................................................................................... 11
2.1 Detailed description ........................................................................................................................................ 11
2.2 The essentials - in brief .................................................................................................................................... 12
2.3 Important information .................................................................................................................................... 12
2.4 Care and Maintenance .................................................................................................................................... 13
2.5 Hot water capacity ........................................................................................................................................... 13
2.6 Regulations and provisions ........................................................................................................................... 13
2.7 Important note ................................................................................................................................................... 13
2.8 Installation location ......................................................................................................................................... 13
2.9 Technical data ..................................................................................................................................................... 14
2.10 First operation.................................................................................................................................................. 16
2.11 Service note ...................................................................................................................................................... 16
3. Guarantee ................................................................................................................................................................... 17
4. Fault elimination for the user ........................................................................................................................... 17
25
25
26
26
26
STIEBEL ELTRON 5
210
350
275.28
100
96
115 mm
50 mm
min. 4.5 mm
max. 5.5 mm
4 x 25 mm
6 mm
4 x 25 mm
6 mm
mm6
Fig 1
Fig 2
Fig 3
Fig 4
Dimension
Wall Mounting
Using the installation template to drill the holes
Cable
1. Installation Instruction for the qualied installer
STIEBEL ELTRON
6
a
a
b
b
c
c
d
d
a - Heating Element
b - Electronic control set
c - ELSD Circuit
d - Triac Set
e - Thermostat
f - Button Board
g - Current Leakage Sensor
a - Heating Element
b - Electronic control set
c - Triac Set
d - Thermostat
g
f
e
Type IS...E / IS...E - 2 Type IS...
Fig 5
Wiring diagram
1. Installation Instruction for the qualied installer
STIEBEL ELTRON 7
1. Description of the unit
1 Double action thermostat
2 Upper fixing hole
3 Position for electrical connection
4 Cable duct for electrical
connection
5 Power light
6 Rotary control for temperature
adjustment
7 Lower fixing hole
8 Cold water connection
9 ELSD (option)
10 Hot water connection for
shower hose
11 Combination filter
12 Washer
13 Water valve
14 Union nut and washer, provide
by client
15 Connection cable (Fig 4)
16 Depth for mounting screw (Fig 3)
17 Rear wall installation (Fig 2)
8
6
5
4
1
10
11
13
12
14
3
2
7
9
1. Installation Instruction for the qualied installer
Fig 6
Description of the unit (Internal)
STIEBEL ELTRON
8
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 3).
- Release cover securing screw.
- Open and remove cover.
- Feed the connection cable seal in
the rear wall.
- Guide the unit along the wall and
lock screw in fixing hole by sliding
downwards.
1. Installation Instruction for the qualied installer
Fig 7
Fig 8
Fig 9
Fig 10
STIEBEL ELTRON 9
1. Installation Instruction for the qualied installer
- The unit must be installed with
a circuit breaker (see recommended
circuit breaker size in technical
data table).
- Fit a secure connection cable
(Ground, L, N) and ensure the
dimensions are correct. (see cable size
in Technical Data).
- Straighten the unit and tighten the
screws.
- Fit the cover and secure with the screw.
Fig11
Fig13
Fig 12
Fig 14
STIEBEL ELTRON
10
1. Installation Instruction for the qualied installer
- Turn the rotary control to the“Off”
position.
- The knob will automatic correct
the position.
- Fit the filter and silicone gasket .
- Fit the water valve and cold water
pipe thoroughly.
- Fit the shower accessories to the
hot water pipe thoroughly.
- The outlet must not be connected to any
tap or fitting other than those specified.
Fig 15
Fig 16
Fig 17
Fig 18
STIEBEL ELTRON 11
2.1 Description of the unit.
The Stiebel Eltron IS pressureless
(open) instantaneous water heater is a
device for heating water for shower.
The electrical power is electronically
controlled. The flow is switched on and
off by using the water valve. The unit
switches the power on once the flow
volume reach 1.5-2 l/min.
The “Power” light (Fig 19 - C)
indicates that the unit is switched on. If
the temperature adjustment rotary (Fig
19 - B) switch is turned to the left, it is
possible to take a cold shower (the
heating will not be switched on.)
The IS 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 environ-
ment, e.g. in a small business, as long as
it is used in the same way.
Warning Injury
This appliance can be used by
children aged from 3 years and above
and persons with reduced physical,
sensory or mental capabilities or a 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.
2. Operation Instruction for the user and the qualied installer
STIEBEL ELTRON
12
2.2 The essentials - in brief
A. Water valve
B. Rotary control for temperature
adjustment
C. “Power” light
D. Shower accessories
C
B
A
D
2.3 Important information
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 func-
tion of the shower head.
Shower head level must not be higher than the unit.
2. Operation Instruction for the user and the qualied installer
Fig 19
STIEBEL ELTRON 13
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 away from
the shower head discharge zone
momentarily.
2.4 Care and Maintenance
All that is needed for cleaning of the
housing is a damp cloth. Do not use
any abrasive cleaning agents or agent
containing solvents.
Maintenance work may
only be carried out by a qualified
technician.
2.5 Hot water capacity
The hot water capacity depends on the
power of the unit, the cold water
temperature, and the flow volume.
2.6 Regulations and Provisions
- Regulations of the local power
supply company should be
observed.
- Regulations of the water supply
company
should be observed
- Read & study the technical data.
- Install the unit vertically on the wall.
- Electrical connection to be secured.
The unit must be earthed
(see circui
t diagram).
To protect against water penetration,
the cable seal (Fig. 6 No. 2) must be
used.
2.7 Important note
All the information in this
operating and installation
instructions must be carefully followed.
These instructions provide important
details regarding the safety, operation,
installation, and maintenance of the
unit.
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 IS_E - 2 is to be installed vertically
on a wall (hot water connection
downwards).
Thermostat cut-off is a service
case only for qualified technician.
2. Operation Instruction for the user and the qualied installer
STIEBEL ELTRON
14
2.9 Technical Data
Type IS
35 E / 35 E - 2 45 E / 45 E - 2 60 E / 60 E - 2
Nominal capacity l 0.45
Design Open outlet
Minimum inlet water pressure MPa(bar)
0.015(0.15) 0.03(0.3)
Maximum inlet water pressure MPa(bar)
0.5(5.0)
Cold water connection G½” (External Thread)
Dimension (H x W x D) mm 350 x 210 x 96
Weight kg 1.7
Electrical connection 1/N/PE/AC 220...240 V.
Recommended circuit breaker A 20 25 32
Recommended cable size Sqmm 2.5 - 4 4-6
Rated Power (kW) Rated current (A)
220 V
230 V
240 V
kW - A
3.5 - 15.9
3.8 - 16.5
4.2 - 17.5
kW - A
4.5 - 20.5
4.9 - 21.3
5.4 - 22.5
kW - A
6.0 - 27.3
6.6 - 28.7
7.1 - 29.6
Note:
The cable sizes can only be a guiding value. Always abide by the corresponding local standards, laws and regulations.
Stiebel Eltron cannot be held liable for any damages.
2. Operation Instruction for the user and the qualied installer
STIEBEL ELTRON 15
The unit is optionally equipped
with an ELSD (Type IS..E / IS...E - 2
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.
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.
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.
The appliance is not to be installed
in locations where freezing can
occur.
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.
Material losses
Observe the max permissible
inlet temperature. Higher temperatures
may damage the appliance.
2.10 First operation
(Only to be carried out by a qualified
installer)
Before switching on, set the
rotary water valve to “Max” set-
ting until the pipework and the unit
are free of air.
- Check the operation of the water
heater.
- Before switching “ON” set the rotary
temperature to “OFF”
Handling over the unit
- Explain to the user how the unit
works and familiarize them with
its function.
- Advise users about the possible
health hazards (water tempera-
ture too high).
- Hand over this instruction manual
to the user and to be kept on a
safe place for future reference.
2.11 Service note
When carrying out any work,
isolate the unit from the mains and shut
off the water connection.
- Clean the filter
Disconnect water valve (Fig. 6 No.
17), remove filter (Fig. 6 No. 14) and
clean. Re-assemble in reverse order.
2. Operation Instruction for the user and the qualied installer
STIEBEL ELTRON
16
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.
Any other use beyond that described
shall be deemed inappropriate. Obser-
vation of these instructions and of
instructions for any accessories use is
also part of correct use of this appliance.
4. Fault elimination for user
Fault Cause Rectification
No hot water despite flow vol-
ume setting at right-hand stop.
“Trip”- light on
The water flow volume
required for the unit
to turn on has not
been reached.
- The shower head is
blocked with dirt or
limescale.
- Flow volume too low.
- ELSD activated.
- Clean shower head
or remove limescale.
- Increase flow volume.
- Press “Reset” button.
The unit is not being switched
on. Electricity supply and flow
available.
The water flow volume
required for the unit
to turn on has not
been reached.
- Filter in the cold
water connection pipe
blocked with dirt.
- Water pressure not
enough
- Clean the filter after
shutting off the cold
water intake.
- Increase mains
pressure
STIEBEL ELTRON 17
210
350
275.28
100
96
115 mm
50 mm
min. 4.5 mm
max. 5.5 mm
4 x 25 mm
6 mm
4 x 25 mm
6 mm
mm6
STIEBEL ELTRON
18
a
a
b
b
c
c
d
d
a - Heating Element
b - Electronic control set
c - ELSD Circuit
d - Triac Set
e - Thermostat
f - Button Board
g - Current Leakage Sensor
a - Heating Element
b - Electronic control set
c - Triac Set
d - Thermostat
g
f
e
Type IS...E / IS...E - 2 Type IS...
STIEBEL ELTRON 19
8
6
5
4
1
10 11
13
12
14
3
2
7
9
STIEBEL ELTRON
20
This manual suits for next models
5
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