Condensate System Flashcards
1
Q
Function of CST
A
- Surge volume for secondary transients
2
Q
How do you put the startup side stream demins in service
A
- Connect the demin
- Crv 55 switch yellow tagged open so c/r doesnt close it
- backpressure is controlled by c-760
3
Q
Hotwell pump autostart
A
- U1: 130
- U2: 110
4
Q
What positions do crvs 55, 155 fail in?
A
Closed
5
Q
Condensate booster pump autostart from low pressure
A
325 psig
6
Q
What happens on high level in the condensers, What about low level
A
- High level crv 155 opens to lower level
- Low level crv 55 opens to raise level
7
Q
Hotwell and condensate booster pump trips
A
- overload
- overcurrent
8
Q
What happens when you lose a heater drain pump
A
You will lose feed pump suction CRV 224 (20% of flow) heater bypass opens to maintain suction pressure
