Siemens SIMATIC TP900 Comfort INOX PCT Compact Operating Instructions page 28

Maintenance and repairs
4.1 Cleaning and maintenance
Note
Damage to the front operating panel possible
Impermissible and unsuitable cleaning agents may cause damage to the HMI device.
Not permitted:
• Do not clean the HMI device using aggressive solvents, cleaning agents or disinfectants,
greasing or abrasive detergents, concentrated acids or caustic solutions.
For further information, refer to the section "Chemical resistance".
• Do not clean the stainless steel front with chlorine and chlorides, e.g. active chlorine.
• Do not clean the any of the front panel with laser beam, ultrasound or dry ice.
• Do not clean protein-containing product residues with temperatures above 60°C.
Otherwise, the protein will curdle and stick to the surface.
• Do not clean the surface with pointed, sharp or scratching tools such as knives, brushes
or coarse cloths.
Permitted:
• Use commercially available glass or plastic cleaners for cleaning the glass front.
The front panel is protected against the ingress of liquids according to the degree of
protection. You can find additional information in the section "Information on insulation tests,
protection class and degree of protection (Page 40)".
Cleaning the machine
Just as you foam your machine, disinfect it, wash away product residues with a steam jet
and a pressure cleaner, you can also clean the front panel of the built-in device. Observe the
general cleaning instructions. The following approvals especially apply:
● IP69 degree of protection according to EN 60529 at the front
● IPX6K degree of protection to ISO 20653
Note
Cleaning methods
In addition to the specifications in this section, the following applies for cleaning the device:
Not permitted:
• Thermal disinfection, e.g. with hot steam, will damage the operating panel, especially the
touch sensor.
• Cleaning with steam cleaners.
Permitted:
• Wiping along the edges (stainless steel frame).
• Spraying with detergents or disinfectants and rinsing afterwards.
• Rinsing off, especially when removing adhering residues of cleaning agents or
disinfectants.
• Cleaning with strong jet water under increased pressure in accordance with
DIN EN 60529:2014-09.
• Cleaning with pressure washer in accordance with DIN EN 60529:2014-09 (see following
section).
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Compact Operating Instructions, 05/2018, A5E38804191-AA
Comfort Panels INOX PCT