09/2021 ECO Gold 57 / 134
8.3 Servicing
Follow all the safety information for cleaning and servicing the device.
Critical temperature of device parts, heat transfer liquid
or accessories (hoses)
Bring the device parts, accessories and heat transfer liquid to
room temperature before touching them.
Have repairs carried out only by a specialist.
Affix the symbol "Hot surface".
8.3.1 Cleaning
Live parts in contact with cleaning agents
Disconnect the device from the mains before cleaning.
Cleaning can be carried out with water with a few drops of a surfactant (washing-up liquid) added and with the aid of
a damp cloth.
Live parts in contact with cleaning agents
Disconnect the device from the mains before cleaning.
Water and other liquids must not enter the control head.
Only clean the control head with the cleaning agents, water (with washing-up liquid), petroleum benzine or ethanol.
Do not use any acetone or aromatic hydrocarbons (dilution) This would lead to permanent damage to the plastic
surfaces.
Before all maintenance or cleaning work you must ensure that decontamination of the device is carried out if it has
been in contact with hazardous materials.