- Reactor Trip and Bypass Breakers
- Open or Not Racked In
- 2/2 (in either train)
- Permissives:
- Block Auto SI Reset
- Trip Turbine Generator
- Input to FWI Logic
- Arms Steam Dumps
- Intermediate Range
- > 10-4%
- 1/2
- Allow Block of SR Trip
- At Power
- > P-10 or P-13
- 1/2
- Enable 7 at power Rx Trips:
- IR 25%
- PR Lo 25%
- PZR Lo Press
- PZR Hi Level
- RCS Flow Lo
- RCP UF
- RCP UV
- Power Range
- > 35%
- 2/4
- Enable single loop low flow trip
- Power Range
- > 50%
- 2/4
- Blocks Rx Trip on Turbine Trip above P-7 but below P-9
- Power Range
- > 10%
- 2/4
- Permissives:
- Block SR Trip
- Allow Block of IR and PR Trip and IR Rod Stop
- Input to P-7
- Pressurizer Press.
- < 1970 psig
- 2/3
- Permissives:
- Allow Block of Pzr Low Press and Steamline Low Press SI
- Open CLA isolation valves @ > P-11
- Tave
- < 540°F
- 2/4
- Block Steam Dumps
- Turbine First Stage Press.
- > 10% (load equivalent)
- 1/2 PT's
- Input to P-7
- S/G Level
- > 81% (narrow range)
- 2/3 on any S/G
- Permissives:
- Trip Turbine
- Trip MFPTs
- FWI Signal
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