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Operation 27
Figure 11 Switches Behind SCC Control Panel Door
Item Description (Location) Function
1 Interlock Button
(on rear of Control Panel)
Press this button to make authorized changes to any site parameter protected by
the Security Access function. These include the time, date, auto-dial phone
number, and other site parameters.
2 Bypass Reset Switch
(SW1, on Transfer
Relay Board)
Press this button to reset the transfer relays during start-up, after an Emergency
Power Off shutdown. You must press this button before the Close Bypass Switch
(Item 3).
3 Close Bypass Switch
(SW1, on System
Interface Board)
Press this button to close the Bypass circuit breaker during a start-up procedure, if
it remains open after a shutdown procedure (refer to 3.3.1 - Start-Up Procedure).
Note that the Static Switch Disconnects must be OFF to reset the Bypass circuit
breaker. See also Bypass Reset Switch (Item 2).