Kärcher HDS-E 3.3/25-4M Ec Manual page 9

Water shortage safeguard
– The lack of water fuse prevents the heater from be-
ing 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.
Start up
WARNING
Risk of injury! Appliance, accessories, supply lines and
connections must be in fault-free condition. If they are
not in a perfect state then the appliance must not be
used.
 Lock parking brake.
Installing the handle
Figure 3
Attach the wheel caps
Figure 4
Replace the system care bottle
Note: Push the bottle in securely to penetrate the clo-
sure. 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 calcifica-
tion 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 rigidity by the
manufacturer
Note: A system care bottle is included in the delivery.
 Replace the system care bottle.
Adjusting the dosage of the system care
Advance RM 110/RM 111
 Determining the hardness of tap water:
– through the public water supply works,
– using a hardness tester (order no. 6.768-004)
Water hardness Scale on the ser-
(°dH) vice switch
<3 3 (presetting)
3...7 1
7...14 2
14...21 3 (presetting)
>21 4
 Set the service switch according to the water hard-
ness in the table.
Note:
– RM 110 prevents system calcification if the water is
hard.
– RM 111 prevents the formation of black water and
cares for the pump in the presence of soft water.
Risk of injury!
–
–
–
–
Kärcher offers an individual cleaning and care ap-
pliances program.
Your dealer will consult you gladly.
 Refill detergent.
Note: The EASY!Lock system joins components with a
quick-fasten thread solidly and securely with just one
turn.
Figure 5
 Join the spray lance with the trigger gun and tighten
 Insert the high pressure nozzle onto the spray
 Install union nut and hand-tighten it (EASY!Lock).
 Join the high-pressure hose with trigger gun and
For connection values refer to technical specifications.
 Connect the supply hose (minimum length 24.6 ft/
Note: The supply hose is not included in the scope of
delivery.
–
–
–
System care
–
products to be
used
RM 111
Risk of injury on account of electric shock!
RM 110
–
RM 110
RM 110
RM 110
–
–
– 3
EN
Refill detergent
DANGER
Use Kärcher products only.
Under no circumstances fill solvents (petrol, ace-
ton, diluting agent etc.)
Avoid eye and skin contact.
Observe safety and handling instructions by the de-
tergent manufacturer.
Install the hand-spray gun, the jet pipe, the
nozzle and the high pressure hose
until hand-tight (EASY!Lock).
lance.
high-pressure connection of the appliance and
tighten until hand-tight (EASY!Lock).
Water connection
7.5 m, minimum diameter 3/4") to the water con-
nection of the unit and to the water inlet (e.g. tap)
using the water connection adapter.
Power connection
For connection values, see technical data and type
plate.
The electrical connections must be done by an
electrician according to IEC 60364-1.
The voltage indicated on the type plate must corre-
spond to the voltage of the electrical source.
The installation of the electrical plug may only be
performed by the authorised customer service/
electrician. The electrical plug is not included.
DANGER
Unsuitable electrical extension cables can be haz-
ardous. Only use electrical extension cables out-
doors which have been approved and labelled for
this purpose and have an adequate cable cross-
section.
Always unwind extension lines completely.
The plug and coupling of the extension cable used
must be watertight.
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