8 Maintenance
8.1 Cleaning
Before cleaning the unit, pull out the mains plug!
The unit can be cleaned with water adding a few drops of detergent (washing up liquid), using a moist cloth.
Water/ heat transfer liquid must not enter the control unit!
Carry out appropriate detoxification if dangerous material has been spilled on or inside the unit.
Method of cleaning and detoxification are decided by the special knowledge of the user. In case of
doubt please contact the manufacturer.
8.2 Maintenance
Before any maintenance and repair work pull out the mains plug!
Repairs on the control unit must only be carried out by properly qualified personnel!
If the heat transfer liquid becomes contaminated, it has to be replaced.
8.2.1 Service intervals
Each time of putting into operation and then
External condition of the device
Test of the heat transfer liquid
External visual inspection
External visual inspection
Over temperature protection
Low level protection testing