Kärcher NT 611 Eco K User manual

www.kaercher.com 5.961-726 A2011328 08/05
NT 611 Eco K

NT 611 Eco K
2
Lists of contents EN Page
Commissioning 3
Operating Instructions 4
Technical Data / Spare Parts List 29/30
Filter systems / Accessories 31/32
Prior to initial startup, operating manual and safety instructions
no. 5.956-249 must be consulted! This machine is suitable for industrial use, for
instance in hotels, schools, hospitals, factories, shops, offices and on hire.
Tables des matières FR Page
Mise en service 3
Notice d'instructions 12
Caractéristiques techniques / Liste des pièces de rechange 29/30
Systèmes de filtres / Accessoires 31/32
Avant la première mise en service, lire absolument le mode d’emploi et les. 5.956-249
remarques de sécurité! Cet appareil est adapté à l'usage professionnel, p. ex. dans les
hôtels, les écoles, les hôpitaux, les usines, les magasins, les bureaux et les locations.
Índices ES Paginación
Puesta en servicio 3
Instrucciones de servicio 20
Datos técnicos / Lista de piezas de requesto 29/30
Sistemas de filtros / Accesorios 31/32
Las instrucciones de servicio y las indicaciones de seguridad núm. 5.956-249 se
deben leer imprescindiblemente antes de la primera puesta en servicio!
Este aparato es apropiado para el uso a escala industrial, p. ej. en hoteles, centros
escolares, hospitales, fábricas, tiendas comerciales, oficinas y empresas dedicadas al
alquiler.

NT 611 Eco K
3

Operating Instructions NT 611 Eco K English
4
IMPORTANT
SAFETY
INSTRUCT-
IONS
READ ALL
INSTRUCT-
IONS
BEFORE
USING THIS
MACHINE.
•Inform your dealer immediately if
there is any transport damage.
•Completely remove the
accessories from the carton.
•The suction unit is not siuitable
for sucking up hazardous dusts
as asbestos. Please consult
your Kärcher branch or your
Kärcher dealer with regard to
such applications.
•Only operate the suction unit
from a suitable socket outlet with
earthing contact. Refer to the
Technical data for the necessary
mains fuse.
•Connect to a properly grounded
outlet only - see Grounding
insructions.
When using an electrical
appliance, basic precautions
should always be followed,
including the following:
This vacuum is intended for
commercial use.
1. DISCONNECT VACUUM
CLEANER FROM POWER
CIRCUIT before removing the
cover, performing
maintenance work, and when
not in use.
2. DO NOT LEAVE appliance
when plugged in.
3. ALWAYS CHECK THE
POWER SUPPLY CORD for
damage or signs of any aging
before each use.
4. DO NOT PULL OR CARRY
VACUUM CLEANER BY
CORD. Do not close door and
cord or pull cord around sharp
edges.
5. KEEP CORD AWAY FROM
HEAT AND OIL. Do not leave
cord lying around after job is
complete. It can become a
tripping hazard.
6. DO NOT RUN VACCUM
OVER CORD.
7. TURN SWITCH TO OFF
before unplugging power
supply cord.
8. DO NOT UNPLUG BY
PULLING CORD. To unplug,
grasp plug, not cord.
9. DO NOT GRASP PLUG WITH
WET HANDS.
10. A DAMAGED CORD OR
PLUG should only be replaced
by an authorized service
center representative.
DO NOT ATTEMPT TO
REPAIR POWER CORD.
11. TO AVOID SHOCK, do not
expose to rain. Store indoors.
12. USE ONLY AS
RECOMMENDED BY THIS
MANUAL. Use only with
recommended attachments.
13. KEEP HAIR, CLOTHING,
LOOSE JEWELRY, FINGERS
and all parts of the body away
from openings and moving
parts.
14. DO NOT BLOCK OR
OBSTRUCT OPENINGS.
Keep openings free of lint,
hair, dust, and anything that
restricts air flow.
15. DO NOT PICK UP ANYTHING
THAT IS BURNING,
smoldering, or smoking such
as matches, cigarettes, or hot
ashes.
16. DO NOT USE TO VACUUM
COMBUSTIBLE EXPLOSIVE
MATERIALS, such as coal,
grain, and other finely divided
combustible material.

Operating Instructions NT 611 Eco K English
5
17. DO NOT USE TO VACUUM
COMBUSTIBLE, hazardous,
toxic, or carcinogenic
materials, including gasoline,
diesel fuel, acetone, paint
thinner, heating oils, undiluted
acids and solvents, pesticide,
and asbestos.
18. USE RECOMMENDED
FILTERS when vacuuming
drywall materials.
19. DO NOT USE WHITOUT
FILTER and/or dust bag in
proper place.
20. CONNECT VACUUM
CLEANER WHITH
PROPERLY GROUNDED
OUTLET ONLY.
See grounding instructions.
21. DO NOT ALLOW VACUUM
CLEANER TO BE USED AS A
TOY. Keep children away from
Vacuum Cleaner.
22. DO NOT LEAVE
UNATTENDED while Vacuum
Cleaner is running.
23. DO NOT USE IF CORD,
PLUG, FILTER, OR VACUUM
CLEANER IS IN POOR
CONDITION. If the Vacuum
Cleaner has been dropped,
damaged, exposed to
weather, or dropped into
water; have it checked by an
authorized service .
24. ALWAYS USE EYE
PROTECTION when operating
Vacuum Cleaner.
25. USE EXTRA CAUTION when
operating on stairs.
26. STAY ALERT! Do not use
Vacuum Cleaner when you
are tired or under the influence
of drugs, alcohol or
medication.
SAVE THESE
INSTRUCT-
IONS
This vacuum
is intended
for
commercial
use.
SAFETY
INSTRUC-
TIONS
GROUNDING
INSTRUCT-
IONS
This appliance must be grounded.
If it should malfunction or
breakedown, grounding provides a
path of least resistance for electric
current to reduce the risk of
electric shock.
This appliance is equipped with
a cord having an equipment-
grounding conductor and ground
plug.
The plug must be inserted into an
appropriate outlet that is properly
installed and grounded in
accordance with all local codes
and ordinances.

Operating Instructions NT 611 Eco K English
6
WARNING:
Improper connection of the
equipment-grounding conductor
can result in a risk of electric
shock.
Check with a qualified electrican or
service person if you are in doubt
as to whether the outlet is properly
grounded.
Do not modify the plug provided
whith the appliance.
If it will not fit the outlet, have a
proper outlet installed by a
qualified electrican.
This appliance is for use on a
nominal 120-volt circuit, and has a
grounded plug that looks like the
plug illustrated in Fig.A.
A temporary adapter that looks like
the adapter illustrated in Fig.B,
may be used to connect this plug
to a two-pole receptacle as shown
in Fig.B, if a properly grounded
outlet is not available.
The temporary adapter should be
used only until a properly
grounded outlet (Fig.A) is installed
by a qualified electrican.
The green colored rigid ear, lug, or
the like extending from the adapter
must be connected to a permanent
ground such as a properly
grounded outlet box cover.
Whenever the adapter is used, it
must be held in place by a metal
srew.
WARNING:
In Canada, the use of a temporary
adapter is not permitted by the
Canadian Electrical Code.
IN ALL
CASES,
MAKE SURE
THE
RECEPT-
ACLE IN
QUESTION IS
PROPERLY
GROUNDED.
NEVER
REMOVE
GROUNDING
PRONG
FROM
POWER
PLUG.
EXTENSION
CORDS
Use only three-wire extensions
cords that have three-pong
grounding-type plugs and
three-pole receptacle that accepts
the appliance's plug. Replace
damaged or worn cord
immediately.
DO NOT
ATTEMPT
TO REPAIR
POWER
CORD.
Figure A
1. Groundet outlet box
2. Current carrying prongs
Grounding prong is longest of
the 3 prongs

Operating Instructions NT 611 Eco K English
7
Figure B
1. Groundet outlet box
2. Grounding means
3. Adapter
SERVICING
OF DOUBLE-
INSULATED
APPLIANCES
In a double-insulated appliance,
two systems of insulation are
provided instead of grounding. No
grounding means is provided on a
double-insulated appliance, nor
should a means for grounding be
added to the appliance. Servicing
a double-insulated appliance
requires extreme care and
knowledge of the system, and
should be done only by qualified
service personnel. Replacement
parts for a double-insulated
appliance must be identical to the
parts they replace.

Operating Instructions NT 611 Eco K English
8
Wet-vacuuming
Fitting rubber lips
!Dismantle the strip brush (1)
!Mount the rubber
squeegees (2)
Note:
The profiled surface of the rubber
squeegees must be on the
outside.
!Connect waste disposal hose
(inside diameter 3/4" or
greater)
!Insert power plug
!Switch on the machine (1)
!Switch on waste disposal
pump (2)
!Use unit
Note:
Wet-vacuuming is possible even if
the waste disposal pump is turned
off or removed.
After operation
!Drain residual water through
drain hose
!Rinse tank and pump with
clean water and allow to dry

Operating Instructions NT 611 Eco K English
9
Dry suction
Warning!
The conversion described below
must be performed without fail
prior to dry vacuuming.
As a general rule a flat pleated
filter (6.904-206 or 6.904-190)
must be used when dry-
vacuuming.
During vacuuming it is not
permitted to ever remove the flat
pleated filter.
A membrane filter (optional
accessory 6.904-212) must be
used when vacuuming fine dust in
combination with a paper filter
bag.
A membrane filter (6.904-212) can
be used for the protection of the
flat pleated filter.
!Unlock and remove the suction
head
!Unscrew the union nut (1)
!Take out wire bracket (2) and
replace by blind flange
!Remove pump and plastic
insert from the tank
!Fit the cap instead of the waste
disposal hose
!Open the filter cover (1)
!Replace the coarse-dirt filter (2)
by the flat pleated filter
Fitting the brush strip
!Remove squeegee rubbers (1)
!Mount brush strips (2)

Operating Instructions NT 611 Eco K English
10
Mounting the paper filter
bag and the membrane
filter
!Unlock and remove the suction
head
!Attach the paper filter bag
!Pull the membrane filter over
the container edge
!Replace the suction head and
lock it in place
!Insert power plug
!Switch on the machine and
start using it
Care and maintenance
Danger!
Always pull out the mains plug
when working on the suction
machine.
Replacing the coarse-dirt
filter (standard), the flat
pleated filter or the
exhaust air filter
!Open the filter cover (1)
!Replace the coarse-dirt filter,
the flat pleated filter (2) or the
exhaust air filter (3)
!Close filter cover, it must
audibly engage
Cleaning the float
!Unlock and remove the suction
head
!Cleaning the float
!Replace the suction head and
lock it in place