Siemens SIRIUS ACT 3SU1 System Manual page 396

3SU19 accessories
13.3 Protection
Mounting
Recommendation for the substrate: smooth stainless steel surface or painted metal surface
(depending on area, Fig.: Classification of hygiene areas). You must remove any visible
scratches, grooves etc. before mounting. The substrate must be free of any contamination or
grease. Before mounting, clean the substrate with a suitable cleaning agent and, if
necessary, disinfect the substrate.
The protective cap is pulled over the front ring (operating/signaling side) of a relevant
pushbutton or indicator lamp. Insert the actuating or signaling element, including protective
cap, from the front through the mounting opening of the front plate. Fit the holder from
behind (wiring side) onto the actuating or signaling element and lock it into place. Mount the
holder and the contact modules.
The installation must only ever be carried out together with the appropriate holder. Observe
the tightening torque: 1.0 ... 1.2 Nm, in order to ensure the tight sealing of the protective cap.
The installation must never be carried out with the protective cap pointing vertically upward.
The installation location of the system must guarantee that fluids can drain off. Note
precisely the shape of the protective cap during installation: The protective cap must not be
damaged during installation, e.g. with cracks or deformations caused by excessive
stretching.
Damaged protective caps may not be used. In this case a hygienic seal can no longer be
guaranteed.
Before first commissioning, the protective cap (external surfaces) must be cleaned. An
appropriate cleaning agent and, if necessary, disinfectant and procedure must conform with
the specifications from the paragraph "Information concerning the protective cap material".
The final rinse must be with drinking water.
A
B
C
D
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Protective cap
Commanding or signaling element
Front plate
Holder
SIRIUS ACT 3SU1 pushbuttons and signaling devices
System Manual, 08/2018, A5E03457306020A/RS-AK/010