Containment HVAC

where do the CTMT normal ACUs take suction from?

fans take suction from the 120ft of CTMT and discharge to the 100ft and 80ft

where are the CTMT normal acus pwoered from?

Powered from PGA/PGB

what are the containment normal ACUS cooled by?

cooled by normal chilled water

when does the Standby normal CTMT ACU auto start?

auto starts on a Low DP on the other fan after 60 seconds

what will trip the normal CTMT ACUs

Trips on a LOP and SIAS

what powers the CEDM normal ACUs

what provides cooling?

powered from PGA/PGB and cooled by NC

what will auto start and trip the CEDM normal acus?

start on low DP after 120 seconds and will trip on a SIAS/LOP`

what is required on a loss of CEDM cooling?

if RCS is greater than 300F CEDM coils may be damaged in within 40 minutes. so restore within 10 minutes or start a rapid shutdown within 40 minutes

what powers the reactor cooling fans

what will are the auto starts and stops?

powered from NHN-M19/20 (SIAS load shed panels)

auto starts on low DP and power is lost on a SIAS

what powers the Pre access normal air filtration units?

NGN

what auto starts the MSSS ventilation supply fans /filters?

Auto starts the fans on a low DP

how many MSSS exhaust fans are normally running?

both are normally running

describe the auto actions and power supplies to for Containment isolation valves associated with RU-1

2 SOV CIV (fails closed)

closes on CIAS