Judo JUKO-LF Manuel utilisateur
Installation and operating instructions
JUDO JUKO-LF
Domestic water station ¾" - 2"
Valid for: EU countries and Switzerland
Language: English
Read before use and store!
Installation and operating instructions
JUDO JUKO-LF
Domestic water station ¾" - 2"
Valid for: EU countries and Switzerland
Language: English
Read before use and store!
2 JUDO JUKO-LF 1701430 • 2018/11
Queries, orders, customer service
JUDO Wasseraufbereitung GmbH
Postfach 380
D-71351 Winnenden
Email: [email protected] • judo.eu
Office address:
JUDO Wasseraufbereitung GmbH
Hohreuschstraße 39 - 41
D-71364 Winnenden
Trademarks:
Trademarks used in this document are the
protected and registered trademarks of the
owners.
© JUDO Wasseraufbereitung GmbH
D-71364 Winnenden
All rights reserved.
Reprinting, even in excerpt form, is only
permitted with special approval.
Dear customers,
Thank you for the confidence you have
shown in us by purchasing this prod-
uct. You have purchased a state-of-the-
art device. It has been carefully checked
prior to delivery. Nevertheless, if diffi-
culties occur, please contact the closest
customer service (see chapter Customer
service).
These installation and operating instruc-
tions are intended for both installers, who
are in charge of installing, maintaining or
repairing the device, and for the operators
of the device.
Contents
1701430 • 2018/11 JUDO JUKO-LF 3
Contents
1 Safety.................................................. 4
1.1 Intended use........................................4
1.2 Application limits..................................4
1.3 Safety instructions............................... 4
1.4 Symbols used...................................... 6
1.5 Units used............................................6
2 Product information.......................... 6
2.1 Scope of supply...................................6
2.2 Function description.............................6
2.3 Materials used..................................... 7
2.4 Approval marks....................................8
3 Installation.......................................... 8
3.1 Conditions............................................8
3.2 Installation of the rotary flange fit-
ting....................................................... 9
3.3 Installation of the device......................9
3.4 Draining of the backwash water.........10
3.5 Commissioning.................................. 12
4 Operation.......................................... 12
4.1 Setting the downstream pressure...... 12
4.2 Cleaning of the sieve insert (backwash-
ing).....................................................12
4.3 Conversions, changes....................... 13
4.4 Maintenance, repair, spare parts....... 13
4.5 Temporary removal of the device...... 14
5 Servicing...........................................14
5.1 Cleaning.............................................14
5.2 Warranty and maintenance............... 14
6 Fault.................................................. 15
7 Technical data..................................16
7.1 Installation dimensions...................... 17
7.2 Spare parts........................................ 18
7.3 Accessories........................................23
8 Disposal............................................ 23
9 Customer service.............................24
Safety
4 JUDO JUKO-LF 1701430 • 2018/11
1 Safety
These operating instructions must always
be available at the place of use of the
device.
1.1 Intended use
The device is for the
•Filtration
•Pressure reduction
•Backflow prevention (only JUKO-LF
1½" - 2”)
of drinking water in domestic water piping. It
removes coarse and fine-grained particles
from the drinking water, which are larger or
equal to the mesh size of the filter, in order
to prevent
•pipe damage caused by corrosion
•malfunctions of fittings or control and
regulating devices caused by foreign
bodies.
The filter is suitable for use in cold drinking
water up to a maximum water temperature
of 30 °C (86 °F). The water to be filtered
must comply with the European Drinking
Water Directive.
The device can be installed in all commer-
cially available drinking water pipes. Both
installation and use of the device are sub-
ject to the applicable national regulations.
INFO_NO_HEADER
Particles that are smaller than the
mesh size of the filter supplied and
materials causing cloudiness cannot
be filtered out of the water.
1.2 Application limits
1.2.1 Water quality
The water to be filtered must comply with
the European Drinking Water Directive.
Before using the device with water that
does not comply with this Directive, it is
essential to consult the manufacturer.
1.2.2 Water pressure
CAUTION
The water pressure must not
exceed 16 bar input pressure. The
device must not be installed if the
mains pressure is above 16 bar
(even for a short time)!
Nominal pressure PN 16
Operating pressure 1.5 bar - 16 bar
Downstream pres-
sure
1.5 bar - 6 bar
Factory setting:
4 bar
The water pressure must not fall below
1.5 bar as otherwise backwashing can be
impaired!
INFO_NO_HEADER
Starting at an operating pressure
of 10 bar increased wear can be
expected!
1.3 Safety instructions
1.3.1 Electrical danger
ELECTRO_NO_HEADER
Risk of electric shock
No electrical wiring or equipment that is
not splash-proof may run or be stored
below the device. Electrical devices/
equipment located in the vicinity of the
device must be splash-proof or comply
with the legal regulations for wet rooms.
1.3.2 Warning of property damage
WARNING
Risk of water damage or damage
to property
Safety
1701430 • 2018/11 JUDO JUKO-LF 5
The device may only be installed by
qualified technical personnel.
The installation room must be dry and
free from frost.
The ambient temperature must not
exceed 30 °C! In higher temperatures
or direct sunlight, material damage may
occur up to and including breakage of
device parts.
An adequately sized waste water con-
nection (e.g. floor drain) in compliance
with DIN 1986 must be provided.
In order to ensure safe drinking water
hygiene, a free discharge of the waste
water acc. to DIN EN 1717 must be
ensured.
The pipe must be able to safely sup-
port the device (weight: see chapter 7).
If necessary, the pipes must be provided
with additional fastenings or support.
If no bypass valve is installed, a shut-
off valve must be installed upstream of
the unit in order to interrupt the water
supply during installation, maintenance,
repair or malfunction of the device.
Install the device in a vertical position
(± 5°). Otherwise, water may escape and
cause water damage.
For the installation of the device in
domestic water piping, only use the sup-
plied built-in rotary flange (see chapter
3.2).
The flange surface of the rotary flange
fitting must be upright!
The rotary flange fitting must be fitted so
that it is free from mechanical stress or
strain. Otherwise mechanical damage to
the pipe or the rotary flange fitting up to
and including breaks can result.
For proper sealing the profile of the pro-
file flange seal must point towards the
rotary flange fitting (see Figure 2).
Only operate the device in a technically
faultless condition:
•Check for damage prior to installa-
tion.
•Immediately have any malfunctions in
operation rectified by qualified tech-
nical personnel.
Persons who, due to their physical, sen-
sory or mental abilities or their inexperi-
ence or lack of knowledge, are unable to
operate the device safely may not oper-
ate it without supervision or instruction
from a responsible person.
Regular backwashing of the device is
required to ensure safe drinking water
hygiene (see chapter 4.2.1).
Before carrying out a backwash, ensure
that the wastewater connection is func-
tional.
At the end of the backwashing process,
turn the handwheel until it engages so
that no more backwash water escapes.
Otherwise, water may constantly escape
and cause water damage.
Do not use household cleaning agents
to clean the outside of the device, but
only use clear water to avoid embrittle-
ment of the plastic.
The device may only be repaired by
qualified technical personnel.
Only use original spare parts for repairs.
Before performing work on the device
that goes beyond pure operational use,
the device must be depressurised! If
this is ignored, the result may be uncon-
trolled escape of water resulting in water
damage to the building/home.
If the device is removed due to an inter-
ruption of operation:
Safety
6 JUDO JUKO-LF 1701430 • 2018/11
•Protect the flange surfaces against
damage to ensure proper sealing.
•Protect the device from dirt so as not
to impair drinking water hygiene.
•Store the device in a frost-free place
to prevent damage caused by freez-
ing water and leakage.
Unauthorised conversions and changes
are forbidden for safety reasons. These
can impair the functioning of the device,
leading to leaks and, in the worse case
scenario, to bursting of the device.
1.4 Symbols used
The safety instructions contained in these
operating instructions are labelled with the
following symbols:
Indication of existing dangers
Warning of electric voltage
User tips and other information
Instructions attached directly to the device,
e.g.:
•Direction of flow (arrow)
•Type label
•Cleaning information
must be observed and maintained in legible
condition.
1.5 Units used
Unit Conversion
bar 1 bar = 105 Pa = 0.1 N/mm2
¾" DN 20
1" DN 25
Unit Conversion
1¼" DN 32
1½" DN 40
2" DN 50
2 Product information
2.1 Scope of supply
•Domestic water station, completely pre-
assembled
•Rotary flange fitting
•Installation and operating instructions
2.2 Function description
Unfiltered water flows into the device
through the built-in rotary flange and the
backflow preventer (only for JUKO-LF
1½" - 2"). A coarse filter prevents large dirt
particles from reaching the fine filter (only
JUKO-LF 1½" - 2"). The water flows from
the outside to the inside through a cylin-
drical sieve insert. Dirt particles remain
on the sieve fabric of the sieve insert. The
adhering residues are visible from outside
through the transparent filter bowl.
JUKO-LF ¾" - 1¼": The filter bowl is visible
through the viewing slot of the UV protec-
tion screen. The UV protection screen can
be moved downwards to check the contam-
ination.
The filtered water continues to flow into
the pressure reducer. The set downstream
pressure can be read at the downstream
pressure gauge.
Subsequently the filtered water exits the
device again via the rotary flange fitting.
Product information
1701430 • 2018/11 JUDO JUKO-LF 7
Fig. 1: Function description
1 Pressure reducer cover (at
JUKO-LF ¾" - 1¼")
2 Handwheel of the pressure
reducer
3 Pressure reducer
4 Rotary flange fitting
5 Downstream pressure gauge
6 Display button for the next
scheduled backwash
7 Filter bowl
8 Handwheel for backwashing
actuation
9 UV protection screen (at JUKO-
LF ¾" - 1¼")
10 Backflow preventer testing screw
(at JUKO-LF 1½" - 2")
2.3 Materials used
The materials used are resistant to the
physical, chemical and corrosive loads
expected to be encountered in drinking
water. They meet the requirements speci-
fied in the following standards:
•DIN EN 13443-1
•DIN 19628 ("Mechanical filters in drink-
ing water installations")
•DIN EN 1567 ("Building fittings - Pres-
sure reducers and pressure reducer
combinations for water")
All materials are hygienically and phys-
iologically harmless. Plastics fulfil the
KTW Guideline (Guideline for the Hygienic
Product information
8 JUDO JUKO-LF 1701430 • 2018/11
Assessment of Organic Materials in Contact
with Drinking water) of the German Fed-
eral Environmental Agency (UBA) W 270.
Metallic materials fulfil the requirements of
DIN 50930-6.
2.4 Approval marks
The device complies with the technical
regulations for drinking water installation
according to DIN EN 806ff. and the national
supplement DIN 1988ff. as well as DIN EN
1717.
It has been tested and certified by the
DVGW (Deutsche Vereinigung des Gas-
und Wasserfaches e. V. - Technisch-wis-
senschaftlicher Verein) in accordance with
the requirements
• of the DIN EN 13959 for backflow pre-
venters
• of the DIN EN 1567 (pressure range
PN 16) for pressure reducers
• of the DIN EN 13443-1 and DIN 19628
for mechanically active filters.
The device bears the DIN-DVGW mark as
proof of certification.
3 Installation
CAUTION
The device may only be installed
by qualified technical personnel.
Installation of the device upstream of the
water meter is forbidden.
3.1 Conditions
CAUTION
Risk of property damage or water
damage!
The pipe must be able to safely
support the device (weight: see
chapter 7). If necessary, the pipes
must be provided with additional
fastenings or support.
To ensure convenient operation and main-
tenance of the device, always adhere to
the specified clearances (see chapter
3.4.1). The space above and below the filter
should be approximately 200 mm to ensure
proper operation and maintenance of the fil-
ter.
Installation
1701430 • 2018/11 JUDO JUKO-LF 9
3.2 Installation of the rotary
flange fitting
CAUTION
The flange surface of the rotary
flange fitting must be upright!
The rotary flange fitting must
be fitted so that it is free from
mechanical stress or strain. Oth-
erwise mechanical damage to the
pipe or the rotary flange fitting up
to and including breaks can result.
The built-in rotary flange serves as a con-
necting element between the domestic
water station and the device. It is suitable
both for horizontal and vertical pipes.
Attention: Install the built-in rotary flange
in the flow direction! This is indicated by an
arrow integral with the casting.
INFO_NO_HEADER
If the installation is twisted, a func-
tioning of the device is not possible.
1
2
Fig. 2: Rotary flange fitting
1 Profile flange seal
2 Flow direction arrow
3.3 Installation of the device
CAUTION
The pipe must be able to safely
support the device (weight: see
chapter 7). If necessary, the pipes
must be provided with additional
fastenings or support.
If no bypass valve is installed, a
shut-off valve must be installed
upstream of the unit in order to
interrupt the water supply during
installation, maintenance, repair or
malfunction of the device.
Install the device in a vertical posi-
tion (± 5°). Otherwise, water may
escape and cause water damage.
For the installation of the device
in domestic water piping, only use
the supplied built-in rotary flange
(see chapter 3.2).
The flange surface of the rotary
flange fitting must be upright!
For proper sealing the profile of
the profile flange seal must point
towards the rotary flange fitting
(see Figure 2).
1
2
Fig. 3: Attach and engage appliance
1 Insert screws
2 Turn clockwise to engage screws
Fig. 4: Connection of appliance
engaged
Installation
10 JUDO JUKO-LF 1701430 • 2018/11
Do not undo the screws of the device!
1. Insert the heads of the four flange
screws through the bayonet holes on the
rotary flange fitting (see Figure 3).
2. Turn the device in clockwise direction up
to the stop (see Figure 3 and Figure 4).
3. Tighten the four flange screws.
UNIT
Select the tightening torque (about
4 Nm for the pipe connection range
¾" - 1¼" / about 10 Nm for the pipe
connection range 1½" - 2") so that
the seal is effective and the device is
not damaged or strained!
3.4 Draining of the backwash
water
CAUTION
An adequately sized waste water
connection (e.g. floor drain) in
compliance with DIN 1986 must be
provided.
In order to ensure safe drink-
ing water hygiene, a free dis-
charge of the waste water acc. to
DIN EN 1717 must be ensured.
The drain must be large enough so that all
of the waste water can be drained simulta-
neously.
If a waste water connection directly beneath
the filter is not possible, the backwash
water can be drained away via a hose or a
pipe that is connected from the backwash-
ing water valve over a few meters to the
closest waste water connection. The dimen-
sioning of this pipe must correspond to the
backwashing water valve.
If a bucket is used to drain off the back-
wash water:
•Attention: If the mains pressure is high,
water may spray out of the bucket. Pro-
tect objects near the bucket from water
damage!
•Carry out the backwashing quickly and
finish the backwashing process as soon
as the bucket is half full. Otherwise the
bucket could overflow.
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