Kärcher HD 3.0/20-4 M Ea Operating Manual page 8

The minimum fuse rating required at
the socket outlet is (see technical
specifications).
The appliance should always be con-
nected to the electrical mains using a
plug. It is forbidden to permanently
connect the appliance to the power
supply. The plug is only for mains sep-
aration.
Check the power cord with mains plug
for damage before every use. If the
power cord is damaged, please ar-
range immediately for the exchange by
an authorized customer service or a
skilled electrician.
The plug and coupling of the extension
cable used must be watertight.
Use the extension cord that has an ad-
equate cross-section (see "Technical
Data") and unwind it fully from the ca-
ble drum.
Unsuitable extension cables can be
hazardous. Only use extension cables
outdoors which have been approved
for this purpose and labelled with a suf-
ficient cable cross section:
For connection values, see type plate/
technical data.
GFCI INSTRUCTIONS
STEP 1: Plug the Ground Fault Cir-
–
cuit Interrupter (GFCI) into a work-
ing outlet.
STEP 2: Press ''TEST'', then press
–
''RESET'' to assure proper connec-
tion to power.
Note: The actual appearance of the
GFCI may be different from this illus-
tration.
8
Water connection
Connection to the water supply
Warning
Observe regulations of water supplier.
According to the applicable
regulations, the appliance
must never be used on the
drinking water supply without a system
separator. Use a suitable system sep-
arator manufactured by KÄRCHER; or,
as an alternative, a system separator
as per EN 12729 Type BA. Water flow-
ing through a system separator is con-
sidered non-drinkable.
Caution
Always connect the system separator
to the water supply, never directly to
the appliance!
For connection values refer to techni-
cal specifications
Connect the supply hose (minimum

length 7.5 m, minimum diameter 1")
to the water connection point of the
appliance (such as the tap).
Note
The supply hose is not included.
Open the water supply.

Drawing in water from open reser-
voirs
Install the suction hose (order no.

4.440-270.0) to the water connec-
tion.
– 6
EN