5.959-373 A 2006471 (06/03)
English CWP 2000
Operating Instructions
E.8.3 Making the system non-operational by
automatic frost protection (optional)
Caution!
Risk of damaging the system.
The frost protection device operates only when
n the master switch is switched on and
n the "Emergency-STOP"-buttons are not activated.
Manual frost protection
Hand valves and the switch for “Frost protection, manual”
are located in the servicing space.
n Close hand valves for fresh water and used water
(optional).
n Release compressed air for frost protection system by
opening the hand valve in the compressed-air line.
n Actuate switch “Frost protection, manual”, the control
system will then start the blowing-out procedure.
n The blowing-out procedure having ended, close the
compressed-air hand valve for frost protection.
When making an initial start-up after operating the manual
frost protection, open the hand valves for fresh water and
used water (option).
Automatic frost protection
The washing unit can be fitted with a frost protection
device.
If there has been a drop below the minimum temperature
n any current wash procedure will be brought to an end.
n thereafter, the hoses and nozzle pipes of the gantry
will be blown out with compressed air.
n no further wash programme can be started.
If, as a precautionary measure, it is wished to initiate
frost protection procedures in a shut-down system which
is equipped with automatic frost protection, an additional
switch can be fitted on-site for this purpose.
E Operating procedure
E4
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