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Quality requirements for water:
ATTENTION
Only clean water may be used as high
pressure medium. Impurities will lead
to increased wear and tear or forma-
tion of deposits in the appliance.
If recycled water is used, the following
limit values must not be exceeded.
pH value
electrical conductivity * Conductivity
settleable solids **
total suspended solids
***
Hydrocarbons
Chloride
Sulphate
Calcium
Total hardness
Iron
Manganese
Copper
Active chloride
free of bad odours
* Maximum total 2000 μS/cm
** Test volume 1 l, settling time 30 min
*** no abrasive substances
Safety Devices
Safety devices serve for the protection
of the user and must not be put out of
operation or bypassed with respect to
their function.
6,5...9,5
fresh water
+1200 μS/
cm
< 0,5 mg/l
< 50 mg/l
< 20 mg/l
< 300 mg/l
< 240 mg/l
< 200 mg/l
< 28 °dH
< 50 °TH
< 500 ppm
(mg CaCO
/
3
l)
< 0,5 mg/l
< 0,05 mg/l
< 2 mg/l
< 0,3 mg/l
– 5
EN
Overflow valve with pressure
switch
While reducing the water supply/quantity
regulation at the pump head, the over-
flow valve opens and part of the water
flows back to the pump suck side.
If the lever on the trigger gun is re-
leased the pressure switch turns off the
pump, the high pressure jet is stopped.
If the lever is pulled the pump is turned
on again.
The overflow valve and pressure
switch are set and sealed at the facto-
ry. Setting only by customer service.
Environmental protection
The packaging material can
be recycled. Please do not
throw the packaging material
into household waste; please
send it for recycling.
Old appliances contain valu-
able materials that can be re-
cycled; these should be sent
for recycling. Batteries, oil,
and similar substances must
not enter the environment.
Please dispose of your old
appliances using appropriate
collection systems.
Please do not release engine oil, fuel
oil, diesel and petrol into the environ-
ment. Protect the ground and dis-
pose of used oil in an environmental-
ly-clean manner.
Electrical and electronic devices often
contain components which could po-
tentially pose a danger to human
health and the environment if handled
or disposed of incorrectly. However,
these components are necessary for
the proper operation of the device. De-
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