Storing The Appliance; Frost Protection - Kärcher HDS 7/11-4 M User Manual

Eco operation
The appliance works in the most economi-
cal temperature range.
Note: The temperature can be regulated
up to 60 °C.
Operating with hot water/steam
We recommend the following cleaning tem-
peratures:
Light contaminations
–
30-50 °C
Contaminations containing protein, i.e.
–
in the food processing industry
max. 60 °C
Vehicle cleaning, machine cleaning
–
60-90 °C
De-preserve, contaminations contain-
–
ing strong fat contents
100-110 °C
De-frosting of surcharge substances,
–
partially facade cleaning
up to 140 °C
Operating with hot water
Danger
Scalding danger!
 Set temperature regulator to desired
temperature.
Operating with steam
Danger
Scalding danger! The operating pressure
must not exceed 3,2 MPa (32 bar) when
operating with temperatures above 98 °C.
Therefore the following measures must
definitely be performed:
 Replace high pressure nozzle (stain-
less steel) with steam nozzle (brass,
order see specification).
 Open up the pressure/ quantity regula-
tor on the hand spray gun completely,
direction + until stop.
 Set the operating pressure on the pump
unit to the minimum value.
 Set temperature regulator to min. 100 °C.
After operation with detergent
 Set dosing value for detergent to "0".
 Set the appliance switch to "1" (opera-
tion with cold water).
 Open the hand spray gun and rinse the
appliance for at least 1 minute.
Turn off the appliance
Danger
Danger of scalding by hot water. After the
operation with hot water or steam, the de-
vice must be operated with openend gun
with cold water for at least two minutes.
 Set the appliance switch to "0/OFF".
 Shut off water supply.
 Turn on pump shortly (appr. 5 seconds)
with device switch.
 Pull main plug out of socket with dry
hands only.
 Remove water connection.
 Activate hand spray gun until device is
pressure less.
 Lock the trigger gun.

Storing the Appliance

 Lock in the steel pipe into the holder of
the appliance hood.
 Roll up high pressure hose and electri-
cal conduit and hang them into the re-
spective holders.
Device with hose drum:
 Before rolling up, stretch out the high
pressure hose.
 Turn the hand crank clockwise (Direc-
tion of the arrow).
Note: Do not twist high pressure hose and
electrical conduit.

Frost protection

Caution
Frost will destroy the not completely water
drained device.
 Store in a frost free area.
If the device is connected to a chimney, the
following must be observed:
– 8
EN 31