Kärcher HDS 7/11-4 M, Manual

Page: 20 / 340

– 2
Figure 2
A Power switch
B Temperature controller
C Dosage valve for detergent
1 Operating mode: Cold water operation
2 Operating mode: Eco operation (hot water max.
60 °C)
3 Operating mode: Operation with hot water/steam
4 Indicator lamp pump
5 Indicator lamp rotation direction
(not HDS 7/11, HDS 7/12)
6 “Ready for use” indicator lamp
7 Fuel indicator lamp
8 Detergent indicator light 1 (HDS 12/18, HDS 13/20
only)
9 Engine indicator lamp
10 Indicator lamp burner failure
11 Indicator lamp service
12 Indicator lamp system care
13 Detergent indicator light 2 (HDS 12/18, HDS 13/20
only)
– The operating elements for the cleaning process
are yellow.
– The controls for the maintenance and service are
light gray.
High-pressure jets can be dangerous if im-
properly used. The jet may not be directed
at persons, animals, live electrical equip-
ment or at the appliance itself.
Cleaning of: Machines, Vehicles, Structures, Tools, Fa-
cades, Terraces, Gardening tools, etc.
 DANGER
Risk of injury! Follow the respective safety regulations
when operating at gas stations or other dangerous areas.
Quality requirements for water:
ATTENTION
Only clean water may be used as high pressure medi-
um. Impurities will lead to increased wear and tear or
formation of deposits in the appliance and accessories.
If recycled water is used, the following limit values must
not be exceeded.
– Please follow the national rules and regulations for
fluid spray jets of the respective country.
– Please follow the national rules and regulations for
accident prevention of the respective country. Fluid
spray jets must be tested regularly and the results
of these tests must be documented in writing.
– The heating appliance of the machine is an ignition
plant. All national laws and regulations about heat-
ing systems must also be followed.
– As per the applicable national guidelines, the first
time this high-pressure cleaner must be taken into
operation by a skilled person. KÄRCHER has al-
ready performed this initial start-up for you and has
documented it accordingly. The documentation can
be requested at your KÄRCHER partner. Please
have the part and plant number of the appliance
available when enquiring about the documentation.
Operating field
0/OFF = Off
Colour coding
Symbols on the machine
Risk of electric shock!
Only electricians or authorised techni-
cians are permitted to work on parts of
the plant.
Risk of burns on account of hot surfaces!
Risk of poisoning! Do not inhale exhaust
fumes.
Risk of injury! Do not reach in with your
hands.
Proper use
Please do not let mineral oil contaminated waste water
reach soil, water or the sewage system. Perform en-
gine cleaning and bottom cleaning therefore only on
specified places with an oil trap.
pH value 6,5...9,5
electrical conductivity * Conductivity fresh
water +1200 µS/
cm
settleable solids ** < 0,5 mg/l
total suspended solids *** < 50 mg/l
Hydrocarbons < 20 mg/l
Chloride < 300 mg/l
Sulphate < 240 mg/l
Calcium < 200 mg/l
Total hardness < 28 °dH
< 50 °TH
< 500 ppm (mg
CaCO
3
/l)
Iron < 0,5 mg/l
Manganese < 0,05 mg/l
Copper < 2 mg/l
Active chloride < 0,3 mg/l
free of bad odours
* Maximum total 2000 µS/cm
** Test volume 1 l, settling time 30 min
*** no abrasive substances
Safety instructions
20 EN