Water Connection - Kärcher HD 25/15-4 Manual

proved for the working pressure of the de-
vice (see "Technical Data").
Only install accessories while the device is
switched off.
 Install the rotating coupling for the con-
nection of the high pressure hose to the
gun.
(not with HD 16/15-4 Cage)
 Connect high pressure hose and spray
pipe to the hand spray gun.
 Tighten the screw connection of the
spray lance finger tight.
 Insert high pressure nozzle into cover-
ing nut
 Install covering nut and tighten firmly
 Connect the high pressure hose to the
high pressure connection point of the
machine.
Power supply
– For connection values refer to technical
specifications
– The electrical connections must be
done by an electrician according to IEC
60364-1.
WARNING
The highest allowed net impedance at the
electrical connection point (refer to techni-
cal data) is not to be exceeded.
In case of any uncertainty regarding the
present net impedance at your connection
point, please contact your local power sup-
ply company.
DANGER
– Check whether the voltage indicated on
the type plate corresponds to the volt-
age of the socket.
– Unsuitable electrical extension cables
can be hazardous. Only use electrical
extension cables outdoors which have
been approved and labelled for this pur-
pose and have an adequate cable
cross-section.
1 -10 m: 4 mm
2
10 - 30 m: 6 mm
2

Water connection

WARNING
Observe regulations of water supplier.
According to applicable regula-
tions, the appliance must never be
used on the drinking water net
without a system separator. A suit-
able system separator by KÄRCHER or al-
ternatively a system separator according to
EN 12729 type BA must be used.
Water that was flowing through a system
separator is considered non-drinkable.
CAUTION
Always connect the system separator to
the water supply, never directly to the appli-
ance!
Quality requirements for water:
Parameter
pH value
electrical conductivity
Hydrocarbons
Chloride
Calcium
Total hardness
Iron
Manganese
Copper
Sulphate
Active chloride
free of bad odours
For connection values, see type plate/tech-
nical data.
 Use a fibre-reinforced hose (not includ-
ed in standard delivery).
Minimum diameter 3/4 inch.
 Connect the hose to the water connec-
tion of the appliance.
 Connect the hose to the water tap.
– 4
EN
Value
6,5...9,5
max. 2000
μS/cm
< 0.01 mg/l
< 250 mg/l
< 200 mg/l
< 28 °dH
< 0.2 mg/l
< 0.05 mg/l
< 0.02 mg/l
< 240 mg/l
< 0.1 mg/l
17