RQ-C-KNOW ESF Actuations Flashcards
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SI Trips
Manual Containment Pressure, High Pressurize Pressure Low SG Differential Pressure Steam Generator Pressure Low
Manual SI Coincidence
1 of 2/ Train
Containment Pressure High Setpoint
1 psig increasing
Containment Pressure High Coincidence
2 of 3
Pressurizer Pressure Low Setpoint
1775 psig lowering
Pressurizer Pressure Low Coincidence
2 of 3
Pressurizer Pressure Low Interlock
Man Block with P-11
SG Differential Pressure Setpoint
100 psid
SG Differential Pressure Coincidence
2 of any 3 on any steam line
SG Pressure Low Setpoint
500 psig lowering
SG Pressure Low Coincidence
1 of 1 on 2 SGs
SG Pressure Low Interlock
Man Block with P-12
Containment Spray Signals
Manual
Containment Pressure High-High
CTS Manual Coincidence
1 of 1/ Train
Containment Pressure High-High
2.8 psig increasing (delay for 233 seconds in U1)
Phase “A” Actuation
Manual
See SI
Phase “B”
Manual
See CTS
Steamline Isolation Actuation
Manual
Containment Pressure High High
High Steam Flow with P-12
Steam Generator Pressure Low