Aux vent Flashcards
1
Q
What will trip a running fan coil unit?
A
Either secondary CTMT isolation valve F006, F007 not full open
Smoke detector or high temp actuation
low inlet temp < 35 deg F for freeze protection
2
Q
which zones will trip if F006 or F007 are not full open?
A
Zones 1,2,3,4
3
Q
What will start the standby fans for the Aux steam tunnel?
A
Low DP sensed on running fan or high steam tunnel temp
4
Q
what must be done to ensure STBY fan does not auto start?
A
Open the breaker
5
Q
what happens on an actuation of a smoke detector?
how is it reset?
A
Fan trips
reset locally then handswitch taken to stop and back to start
6
Q
What cools ESF switchgear rooms
A
PSW or SSW
7
Q
What cools ECCS pump rooms?
A
SSW
8
Q
What cools Aux steam tunnel?
A
PCW
9
Q
How does the F006 and F007 fail?
A
closed on loss of power or air
