Frost Protection - Kärcher SB MU 908 Originalbetriebsanleitung

Sales per washing station since the the be-
ginning of the day (0:00 Uhr).
Sales from the manually increased wash-
ing units per washing station (see "Manual
interventions").
Press the "OK" key to change the password.
YES: The daily storage on an USB flash
drive contains the sales data.
NO: The daily storage does not contain any
sales data.
Changing the password
NOTICE
Press ESC to abort the change of the pass-
word.
During first start-up, the password is
"1111". For security reasons, we recom-
mend that you change the password when
you use the unit for the first time.
For security reasons, the password may
only be changed by the user.
 Use the LEFT and RIGHT buttons to
select the blinking location of the pass-
word.
 Confirm your entry using the "OK" key.
 Set the other characters of the pass-
word in the same fashion.
 Press the "OK" key for more than 1 sec-
ond to save the password.
 Reenter the password as described
above to confirm.
The successful change of the password will
be confirmed.
48

Frost protection

The anit freeze equipment contains:
– Frost protection circuit or frost protec-
tion without lost water
– Washing station heater, provided by the
customer
– Emergency frost protection
DANGER
Risk of accident due to ice formation. In
case of ice formation the plant must be
closed off to prevent ice-related accidents.
NOTICE
The following functions are guaranteed:
– Unlimited washing operation with the
high pressure spray lance
up to -15°C.
– Restricted washing operation with the
washing brush
at temperatures below 0°C.
During restricted washing operations,
all washing brushes need to be
checked regularly for ice-formation.
Foam wash with frozen washing brush-
es can damage the vehicle. Take the
following steps if there is ice-formation
on the brushes:
Single tool version:
Replace combi-spray pipe with high-
pressure spray pipe.
Double tool version (Option):
Do not use foam wash (for e.g. accord-
ing to user instructions).
At termperatures below -15°C it does
not make sense to wash the vehicle as
a layer of ice is formed on it. This layer
of ice can even hamper some important
parts of the vehicle in their functioning.
Hence prevent use of the system at
temperatures below -15°C by switching
on the night operations lock.
– The system is frost-safe up to -20°C.
The system must be shut down at tem-
peratures below -20°C according to the
instructions in "Shutdown under Frost
Conditions".
NOTICE
The pre-requisites for frost protection are:
– The main switch must be in position 1.
– The doors of the plant room must be
closed.
– Uninterrupted power, water and fuel
supply must be ensured.
– Fuel and water supply must be protect-
ed against freezing.
– Set-up and installation take place in ac-
cordance with the separate installation
manual.
– All maintenance steps according to
"Maintenance and Care" have been
carried out correctly.
– All cleaning tools are placed back in the
storage compartment.
– The hand-spray guns belonging to the
system have been installed with the
anti-freeze hole.
11
-
EN
Frost protection with lost water
This frost protection system is activated by
the control if there is a risk of frost.
Fresh water flows through the high pres-
sure lines and hand spray guns, and these
are thus protected from freezing.
Emergency frost protection
The emergency frost protection is activated
in case of a power outage.
Fresh water flows through the high pres-
sure lines and hand spray guns, and these
are thus protected from freezing.
Washing station heater
NOTICE
The washing place heating can function
properly provided the washing area has
been built properly according to the
KÄRCHER recommendations.
Snow layers and large volumes of ice piec-
es fallen from the vehicles need high
amount of heating. It is necessary to first re-
move these deposits.
Foam hose heater
ATTENTION
Risk of damage if there is frosting! The
foam suction heating does not operate in
the event of power failure.
– Electrically heated foam hoses heat up
the water-foam mixture that flows
through and thus prevent damage
through frost.
– The activation of the foam hose heater
is regulated via the control and takes
place at +3 .
– The tranformers supply the power to the
foam hose heating. One transformer
feeds 4 foam hoses each.
By selecting the input terminal for the pri-
mary voltage on the transformer suction
hose a power matching is possible:
Input primary Output sec. 1
4x hose 8 m
400 V +5% 32 V -5%
400 V 32 V
400 V - 5% 32 V +5%
1 Transformer foam hose 5..0.8
2 Transformer foam hose 1...4
3 Transformer heating banknote reader
Output sec. 2
1x hose 10 m
40 V -5%
40 V
40 V +5%