DANGER
Risk of electric shock due to dam-
aged power cord or plug
Electric shocks can cause severe inju-
ries.
❯
Do not start up the unit if the power
cord or plug is damaged.
❯
Replace the damaged power cord.
6.5
Overtemperature protection
The motors in the units are equipped with a tem-
perature switch that switches the unit off if it
overheats. If this happens, you will first need to
determine the cause of the fault and then remedy
it.
If the unit is switched off via the tempera-
ture switch, the fan of the unit will con-
tinue to run.
NOTICE
Automatic start-up of the unit after
cooling down
❯
Allow unit to cool down
6.6
Checking the safety valve
The safety valve must be checked/vented when
the unit is
started up for the first time
and
once
a year
after that.
At the factory, the safety valve is set to 10
bar (1 MPa) or 8 bar (0.8 MPa) (depend-
ing on the maximum pressure), inspected
and stamped (see also "4 Technical
data").
DANGER
Risk of explosion of the pressure ves-
sel and
pressure hoses
❯
Do not change the safety valve set-
tings.
WARNING
Risk of damage to the safety valve
Risk of explosion of the pressure vessel
and pressure hoses due to a defective
safety valve
❯
Do not use the safety valve to vent the
pressure vessel.
❯
Switch on the unit at the pressure switch and
fill the pressure vessel to the cut-off pressure.
❯
Rotate the cap of the safety valve a few turns
anti-clockwise until the valve begins to blow
off. Only allow the safety valve to blow for a
short period.
❯
Turn the cap clockwise as far as it will go.
The valve is closed.
Assembly
18
0715100100L02 2111V005
EN
