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Siemens 7SR18 Solkor - Page 325

Siemens 7SR18 Solkor
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7SR18 Commissioning & Maintenance Guide
Unrestricted Page 26 of 54 ©2018 Siemens Protection Devices Limited
Figure 3.4-2 Cold Load Logic diagram
Ensure that the Cold load active is not raised. This can be reset by CB closed for more than the Cold Load Drop-
off Time or current less than the Reduced Current Level for greater than the Reduced Current Time. Check the
Cold Load Pick-up Delay by applying or simulating CB Open. Measure the time delay before Cold Load Active is
raised. Apply current above the Reduced Current Level if this functionality is Enabled before applying CB Closed.
Measure the time for Cold Load Active to reset.

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