Menue, Frost protection – Karcher HD 7/250 DE TR1 User Manual

Page 10

Step 3: Press the F3 key to switch be-
tween brightness and contrast.

You can change the brightness and
contrast levels with the F4 and F5 keys.
F4 (-) = set value decreases.
F5 (+) = set value increases.

By pressing the F6 key twice, you will
return to the operating display.

Step 1: Press F6 key.

Step 2: Press F3 key.

Different parameters can be read in the in-
formational display:
U = operating voltage
RPM = motor speed
bar = operating pressure
h = operating hours

By pressing the F6 key twice, you will
return to the operating display.

Note
If the appliance is protected with antifreeze,
this antifreeze must be purged from the wa-
ter system (see chapter "Pumping anti-
freeze out of the water system“).
Remove air from the high pressure system
prior to operation!
Î

Press the release of the hand spray gun
downwards.

Pull the lever on the handgun toward
the back.
The motor goes to operating speed.
The high pressure water stream is re-
leased.

To switch off the high pressure spray,
release the lever of the hand spray gun
and let the release lock.

Note
Frequent switching on and off of the high
pressure spray increase the wear and tear
on the appliance and reduce its product life.
Perform the cleaning process with as few
interruptions as possible.

Note
Only use the Emerg Stop key in emergen-
cies, not to switch off the appliance. A fre-
quent use of the emergency stop key will
increase wear and tear on the appliance.
Î

To switch off the high pressure spray,
release the lever of the hand spray gun
and let the release lock.

Press F3 key.
Depending on the load, the motor
should somewhat longer to cool off.

The display will show the trailing time of the
motor with the clock symbol.

The motor will switch off.

If there is a risk of freezing tempera-
tures during the operational break, flush
the appliance with antifreeze (see
Chapter "Antifreeze") or transport the
appliance to an area protected from
frost.

Turn main key to "0" and remove it.

Close and lock the operating panel
door.

Open the hood and remove the key
from the battery separating switch.

Unscrew the high pressure hose, the
water supply hose and the control line.

Protect the hose connections and cou-
plings from contamination with protec-
tive caps.

Note
Do not store any objects (incl. hoses, ca-
bles and spray units) inside the appliance.
Use the storage compartment or storage
box (option) to store these items.

Note
Use commercially available glycol-based
antifreeze for automobiles.
Observe the manufacturer's handling in-
structions.

To protect from freeze damages, the appli-
ance must be flushed with antifreeze.
– Antifreeze flushing in a circuit from the

antifreeze tank of the appliance, for pre-
ferred use on site

1 Maintenance door water tank
2 Ball tap, switchover antifreeze/water

tank

3 Backflow antifreeze
4 Antifreeze container filler neck
5 Drain tap water tank

1 Antifreeze hose
Î

Unpressurize the appliance.

Retrieve the informational display for
service personnel

100

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155

210

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MENUE

Operation

Shutting down

Frost protection

Antifreeze rinse in the circuit (high

pressure pump)