
Options
6.6Remote Source Selection
The Remote Source Selection allows the preferred input source to be chosen from a remote location. A user supplied normally open dry contact allows the user to remotely select a source to be the preferred source in the same process as the local source transfer selection.
If both the input contacts are closed, the current selected preferred source shall be retained. If the unit’s preferred source selection and Remote Source Selection are active at the same time,
the STS2/PDU follows the last request for a preferred source change, regardless of whether it was from the local or Remote Source Selection controls.
See 10.3 - Enabling Remote Source Selection for instructions on enabling the Remote Source Selection.
See Figures 47 and 48 for the location of the Remote Source Selection option.
See 4.4 - Remote Source Selection Wiring and Figure 56 for information on the control wiring.
6.7Key Lockout Switch
The key lockout switch activates a software lockout of the touch screen display to prevent manual transfers and configuration changes. When locked out, the touch screen becomes a
The alarm silence button is not disabled when in the lockout position.
The switch is located on the front of the unit next to the display; it is behind the front door but can be operated without opening the front door. See Figures 20 through 22 for the key lockout switch loca- tion on each unit.
See 13.2.1 - Security and Figure 65 for instructions on using the key lockout switch.
6.8Static Switch Redundant Output Breaker
A
6.9Inline Panelboards
An output distribution cabinet with either Square D or General Electric inline panelboards with cop- per bus to accept
Each panelboard includes a separate isolated neutral bus bar and a
6.10I-Line Panelboards
An output distribution cabinet with one vertically mounted Square D
6.11Subfeed Breakers
Breakers for feeding remote panelboard(s) or other loads. Available in ratings of 225A or 400A.
NOTE
Only available on units with inline panelboards. 400A breaker not available on 250A units.
6.12K-Factor Transformers
6.13Surge Suppression System
A fused and monitored
16