4.7. DUAL SOURCE ATS OPERATION
The ATS may be supplied with three different Dual Source Transfer operational features. The
ATS model code depicts the options available as shown below:
Refer to Section 3.4.3 for automatic sequence of operation descriptions for the 3 types of dual
source systems.
Dual source systems will have a unique GHC home page display as shown below:
1. Source Names: Each source will have its unique name displayed on the top navigation
bar as well as adjacent to the mimic bus source inputs. These names are configurable.
Refer to Sections 5.10.9 - 5.10.10 for programming information
2. Engine Start Status: For dual generator applications, two engine start status lights are
provided as indicated above. Red indicates when an engine start is activated.
3. Preferred Source Indication: When a source is selected as the “Preferred source”, it will
be indicated via text as indicated above. Preferred source selection maybe via External
control switch or TSC 900 GHC display.