Siemens SIVACON S4-ALPHA Livre d'entretien - Page 25
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Instrumentation
Instrumentation/Equipment
• Checking voltmetric circuit protection
fuses
• Electrical continuity of protection
conductor on secondary circuit of TA.
Calibration
• Device calibration is realized by
manufacturer before supply phase.
Recalibration won't be required if
environmental conditions are maintained.
Cleaning
• Cleaning display and keypad
periodically using a dry rag.
Caution: Don't use cleansers.
They can damage the devices.
Moisture can affect component operating
capability.
Make sure that no moisture seepage into
the expansion module. Cleaning only with
a dry, lint-free rag.
For assembly installed in harsh ambient
conditions, maintenance activities must
be intensified.
SIVACON S4 - ALPHA
ENG
25