Kärcher HDS 2000 Super Bedienungsanleitung Seite 23

5.6 Operating with steam
• • • • •
When operating temperatures are above
98 °C, the operating pressure must not exceed
32 bar. Thus, the standard high-pressure
nozzle must be replaced by a steam nozzle
(available as an accessory).
• • • • •
Adjust the thermostat to the desired tem-
perature.
• • • • •
We recommend the following cleaning
temperatures:
100–110 °C for depreservation, dirt containing
high levels of grease
up to 140 °C for thawing aggregates, partial
cleaning of facades.
• • • • •
Rotate the pressure and volume control on
the pump head to the lowest value.
• • • • •
When you have finished operating the
appliance with steam, you should adjust the
appliance switch to the "
the appliance for approx. 2 minutes with the
gun open to allow it to cool down.
5.7 Operating with two handguns
• • • • •
The unit has two high-pressure outlets, to
which it is possible to connect two hand-held
spray guns.
• • • • •
Unscrew the blanking plug from the second
high-pressure outlet and connect another
handgun via a high-pressure hose
(accessories).
• • • • •
The high-pressure nozzle suitable for use
with one handgun should be replaced with
two nozzles (Nozzle size 25052)
• • • • •
The two pumps are switched in and out via
pressure switches depending on the demand
for water.
5. Operation
" symbol, and run
5.8 Operating with detergent
• • • • •
Fill the detergent tank.
• • • • •
This unit is equipped with an automatic
detergent control system. The automatic
control can be switched on or off by means of
a toggle switch on the instrument panel.
5.8.1 Manual detergent control
• • • • •
The toggle switch for automatic detergent
control (AUTO-CHEM) must be set to " 0 ".
• • • • •
Adjust the detergent metering valve for the
required concentration and source of
detergent, Chem l or Chem ll.
When the handgun is opened, the high-
pressure pumps are switched on and
detergent is added to the water.
5.8.2 Automatic detergent control
(AUTO-CHEM)
1. Set the toggle switch for automatic detergent
control (AUTO-CHEM) to " l ".
2. Adjust the detergent metering valve for the
required concentration and source of
detergent, Chem l or Chem ll.
3. Open the handgun. The high-pressure pumps
start up. If required, detergent can be added
to the water as follows:
4. Close the handgun.
5. Open the handgun again immediately after it
has been closed (within a max. of 3 sec.)
The yellow indicator lamp next to the toggle
switch illuminates to show that detergent
metering has been switched on.
– If the handgun remains closed for longer
than 3 seconds before it is opened again,
no detergent is added to the water.
6. When the handgun is closed again, the supply
of detergent is automatically switched off.
The yellow indicator light extinguishes.
If detergent is required once more, repeat the
procedure outlined in paras. 3, 4, 5, and 6.
HDS 2000 Super
GB
23