18
4.2.4
Double spray lance,
pressure
regulation
The spray lance features 2
nozzles, a high pressure nozzle
and a low pressure nozz le.
High pressure mode
When the pressure reducing
valve (1) is completely closed
(turned clockwise -
B
), only the
high pressure nozzle is used -
high pressure mode
.
Low pressure mode
When the reducing valve (1)
is completely opened (turned
counterclockwise -
A
), both
spray lances are used -
low
pressure mode
/ possibility of
dosing detergents.
The pres sure may be reg u lat ed
between these positions.
Danger of scalding!
Never detach high pressure
hoses at a water temperature
above 50°C.
Prior to dismounting of the high
pressure hose, the machine
should be cooled down. After
cooling down, stop the machine
and close the shut-off cock.
Never detach the high pressure
hose while the machine is in
operation.
4.2.5 Stop
min. max.
1
is fl owing out of the SOLAR
BOOSTER – “Working mode”.
As the hot water does not
have to pass through the high
pressure pump the maximum
temperature can be as high as
99°C.
If an error occurs to the heating
system of the SOLAR BOOST-
ER, the machine stops and the
red “STOP” push button (4) will
start fl ashing and the heating
source will be shut off. Press
the red button to re-set the
machine. By pushi
ng the green
"START" push button (3),
the
SOLAR BOOSTER will con-
tinue to be functional with non
heated water.
In this case please refer to sec-
tion "
7 Troubleshooting
".