RW Vent Flashcards
What is the purpose of RW Vent?
Control the flow of air from least potentially contaminated to most contaminated to minimize spread of contamination
What temperatures are intented to be maintained for RW Vent?
65 to 104F
What are teh pressure characteristics of the RW Vent System?
Maintained at a negative pressure with respect to outside atmosphere to prevent outleakage (intended for all leakage to be into the building)
Where does the exhaust for RW Vent GO?
2/3 Chimney
What are power supplies to Supply and Exhaust Fans for RW Vent?
Supply : A MCC 27-2; B&C - MCC 27-5
Exhaust : A MCC 27-2; B&C - 27-4
How many supply and exhaust fans are there for RW Vent?
3 supply - 3 exhaust - normally only 2 of each running
What will happen w/ loss of IA for RW Vent?
All AO Dampers close
What interlock exists between RW Vent Supply and Exhaust Fans?
Exhaust Fan trip will trip supply fan
How many RW Solidification supply and exhaust fans are there? Power Supply? intended building pressure?
2 of each - supply can’t run w/ out exhaust fan - 1 normally runs
Powered from Bus 20/30 MCCs
DP of -0.125”WC
How many Supply and Exhaust Fans are there for MR Vent? Power Supply?
Building Pressure?
2 exhaust, 1 supply - 1 exhaust and 1 supply normal
Bus 20/30 MCCs
DP -0.125”WC
What is the general interlock for MR Vent Fans?
Loss of Exhaust Fan starts standby and does not trip Supply fan
What will trip RW Solid fans?
Exhaust fan trips will trip associated supply fan.
Smoke in exhaust duct (ONLY SYSTEM WITH THIS) will trip exhaust fan.