Safety Instructions; Safety Devices; Temperature Controller; Start Up - Kärcher HDS-E 8/16-4M 12kW Bedienungsanleitung

Safety instructions

Please follow the national rules and
–
regulations for fuel spray jets of the re-
spective country.
Please follow the national rules and
–
regulations for accident prevention of
the respective country. Fuel spray jets
must be tested regularly and the results
of these tests must be documented in
writing.

Safety Devices

Safety devices serve for the protection of the
user and must not be put out of operation or by-
passed with respect to their function.
Overflow valve with two pressure
While reducing the water supply at the
–
pump head or with the Servopress -
regulation the overflow valve opens and
part of the water flows back to the pump
suck side.
If the hand-spray gun is closed, so that
–
the whole water flows back to the pump
suck side, the pressure switch at the
overflow valve shuts down the pump.
If the hand spray gun is opened, the
–
pressure switch on the cylinder head
turns the pump back on.
The overflow valve is set by the manufac-
turer and sealed. Setting only by customer
service.
Safety valve
The safety valve opens, when the over-
–
flow valve resp. the pressure switch is
broken.
The safety valve is set by the manufacturer
and sealed. Setting only by customer service.
20
switches
Water shortage safeguard
The lack of water fuse prevents the
–
heater from being switched on when
there is a water shortage.
The lack of water fuse switches the
–
pump off after 2 minutes in case of a
water shortage to prevent dry runs.

Temperature controller

The temperature limiter switches off the
–
heater when the temperature becomes
too high.
Warning
Risk of injury! Device, tubes, high pressure
hose and connections must be in faultless
condition. Otherwise, the appliance must
not be used.
 Lock parking brake.

Installing the handle

Figure 3
Replace the system care bottle
Note: Push the bottle in securely to pene-
trate the closure. Do not remove bottle until
it is empty.
Note: To protect the appliance, the heater
is switched off 5 hours after the system
care bottle is empty.
The system care effectively prevents the
–
calcification of the pump while operating
with calcified tap water. It is dosed into the
supply in the boiler drop by drop.
The metering is set to medium water ri-
–
gidity by the manufacturer
Note: A system care bottle is included in
the delivery.
 Replace the system care bottle.
– 3
EN

Start up