Operation; Before Operation; Start/Stop (Change, Rinse, Foam, Des); Maintenance, Trouble Shooting, Service - Nilfisk FOOD Hybrid SU21 Instrucciones De Uso

have sufficient knowledge of Hygiene Systems
and are confident with the state work safety regu-
lations, accident preventing regulations, lines and
generally acknowledged technical regulations
such as DIN-norms and VDE-provisions. For
your safety, this cleaning unit has been manufac-
tured according to all relevant regulations valid
in the EU and therefore it has been supplied with
the CE-marking. For further information, please
refer to the service department.
4. When the cleaning process has been completed
or chemicals have been changed, it is important
to rinse the suction and injector systems in the
following way:
5. Replace the can with a can containing clean
water.
6. Put the suction hose into the water can.
• Connect the foam nozzle.
• Open the spray gun/outlet valve and keep it open
until the injector has been rinsed through (approx.
30 seconds).
• Remove the suction hose from the water can.
7. It is recommended to descale the unit according
to pharagraph 9.3
8. It is recommended to clean the surface inside the
unit at least once a month in order to maintain
parts and avoid corrosion of parts.

8. Operation

8.1. Before Operation

If the wall the unit is to be mounted on is made of
bricks or concrete, the enclosed screws and rawl
plugs are usable, otherwise you have to make sure
that the carrying capacity of the wall is sufficient.
The pipeline must be rinsed through
before the system is connected.
Remove cover before the unit is mount-
ed on the wall.

8.2. Start/Stop (change, rinse, foam, des)

Start satellite
1. Check that water- and air supplies for the system
are open.
2. Make sure that the water and air supply to the
unit is open. For air see layout drawing. In case
of central chemical supply this must be activated
too.
3. Select requested function. Use the unit according
to the "User Guide".
Stop satellite
4. Turn off the water supply
5. Close the air supply
It is important to shut off the water and
air when the unit is left after use .
• If the air supply is open when the unit are not in
use, air may seep into the water pipe. If this is the
case the system may have to be bled again.
It may be necessary to bleed the pipes and the unit
again after it has been closed for a longer period of
time (holidays, and the like)
CAUTION
The chemical supply must always be
rinsed thoroughly after use
6. The following procedure will clean the chemical
supply for detergents and/or remains of disinfect-
ants.
7. 1. Remove User Pack or standard can.
8. 2. Hold the rinsing bottle with clean water tightly
against the suction opening (with User Pack).
Alternatively, you can place a User Pack with
clean water in the holder or – without User Pack
– place the hose in a bucket of clean water.
9. 3. Activate the hose handle until clean water
comes out of the nozzle (approx. 30 seconds)
9. Maintenance, Trouble shooting,
Service

9.1. Preventive maintenance

Depending on usage, maintenance should be un-
dertaken by an authorised service engineer at least
once a year in order to prevent defects and failure of
operation. Authorised engineers are persons who due
to their skills and experience have sufficient knowl-
edge of the Hygiene Systems and are confident with
the state work safety regulations, accident preventing
regulations, lines and generally acknowledged techni-
cal regulations such as DIN-norms and VDE-provi-
sions. For your safety, this cleaning unit has been
manufactured according to all relevant regulations
valid in the EU and therefore it has been supplied with
the CE-marking. For further information, please refer
to the service department.

9.2. Rinsing the chemical supply/injector system

The chemist supply must always be
rinsed thoroughly after use.
Remains of detergents or disinfectants can clog the
injector so it needs to be rinsed or replaced.
The following procedure will clean the chemistry sup-
ply for detergents and/or remains of disinfectants.
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