SCCW Flashcards
1
Q
State limitations on placing Aux SCCW heat exchanger in service
A
When Aux HX is in service only 1 SCCW pump can be running
TV-7020 is blocked to 65% open
2
Q
Consequences of a loss of SCCW
A
If all SCCW flow is lost RX trip
Start removing things cooled by SCCW
3
Q
State effect of an S signal on SCCW
A
SW-V-4, 5, 74, 76 goes closed
Need to reset S signal to open valves
4
Q
State effect of a LOP on SCCW
A
SW-V-4 and 5 shut
Need to be back on UAT/RAT to reopen (EPS deactivated)
5
Q
State effect of a TA on SCCW
A
SW-V-4, 5, 74, 76 goes closed
TA signal needs to be reset to reopen
6
Q
State major loads on SCCW
A
H2 coolers
GSC coolers
TLO coolers
7
Q
State normal temp band of SCCW
A
77F to 95F
