201.15 Temperature Monitoring

Question 1

• 201.15 Temperature Monitoring*
• • *

Wide Range Temperature Instruments

Answer 1

Redundant loop temp during power operation

Monitor heatup / cooldown

WR Tc for eacr loop on Aux S/D Panel (ASP)

Input to Cold Overpressure Mitigation System (COMS)

While RCS < 350, RCS pressure is maintained < X by using the Pzr PORVs

Question 2

• 201.15 Temperature Monitoring*
• • *

Narrow Range Temperature Instruments

Answer 2

Indication

Protection

(Excessive Cooldown Protection gives FW isolation on P-4 & low Tavg)

Rod Control

Pzr Level Control

Steam Dumps

Question 3

• 201.15 Temperature Monitoring*
• • *

WR Temperature Instrument Locations

Answer 3

One RTD in cold leg and one in hot leg for each loop

Question 4

• 201.15 Temperature Monitoring*
• • *

NR Temperature instrumentation Locations

Answer 4

1 RTD in each cold leg (3 fast respone spares)

3 fast response RTDs in each hot leg (120 degrees around pipe)