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22
23
20
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18
17
16 15
14
1
Main switch
2
Advance pressure pump
(HDC 20/8 H, HDC 20/16 H only)
3
Water connection
4
Control board
5
Left panel sheet metal
6
Upper panel sheet metal
7
Right panel sheet metal
8
Front panel sheet metal
9
Unlocking button
10 Indicator lamps
11 Pressure sensor
12 Safety valve
13 Manometer
14 High pressure connection
15 Wall panel
16 Overflow valve
17 Pressure accumulator at the high-pressure con-
nection
(HDC 20/8 H, HDC 20/16 H only)
18 Flow switch
19 Oil drain screw
20 Oil level indicator
21 High-pressure pump
22 Oil tank
23 Pressure accumulator at the cylinder head
24 Electro motor
14
28
27
26
24
25
13
25 Float tank
26 Temperature sensor
27 Water shortage safeguard
28 Swimmer valve
A
"Low water" indicator lamp
B
Indicator lamp for engine over-heating/pump over-
heating
C
Indicator lamp "collection error"
D
"Ready for use" indicator lamp
Device elements
11
12
10
9
Indicator lamps
3
-
EN
1
8
Start up
DANGER
Risk of injury! Device, tubes, high pressure hose and
connections must be in faultless condition. If they are not
in a perfect state then the appliance must not be used.
Operation
Safety instructions
The operator must use the appliance correctly. When
working with the appliance, he must consider the local
conditions and pay due care and attention to other per-
sons, in particular children, who are nearby.
Never leave the appliance unattended when it is in op-
eration.
DANGER
–
Danger of scalding by hot water! Do not direct the
water jet on persons or animals.
–
Risk of burns on account of hot surfaces! Do not
touch uninsulated pipes and hoses when hot water
operations are on. Hold the jet pipe only at the han-
dles.
–
Risk of poisoning or itching on account of deter-
gent! Follow the given instructions for using deter-
gents. Store detergents safely and protect them
against access by unauthorised persons.
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