Z17 Control Building Vent Flashcards
What are computer room fan trips?
Fire >135°F
Freeze < 35°F
Halon pre-discharge signal
How is the logic reset for the exhaust fan after a halon signal on the computer room vent system?
Handswitch must be taken to stop
What are the trips for Access Control Air exhaust fan?
Freeze protection
smoke detected
MPD
What are the purge fan trips?
No suction path
HVAC not in start and fire protection auto start clears
MPD
What will autostart control building purge?
Auto start of fire protection in HVAC equipment rooms if switch is in auto and flow path is established
What are the trips for control building HVAC fan coil units?
Freeze protection <35°F
Fire protection > 135°F
C02 system actuated
MPD
What else trips when the exhaust fan trips on the hot machine shop vent system?
Fan coil unit fans and circulating fans
What is most effected on over temperature in Control Building vent System?
RPS MG set rooms
What’s the start sequence for control building purge?
F003 auto opens, purge fan starts on F003 full open, stops when fire detection clears
When does the Hot Machine Shop exhaust filter train run during normal operation?
Continuous
What kind of pressure is the Hot machine shop maintained?
Negative
When will the standby fan coil unit start for the hot machine shop?
83°F if HS is in auto
What’s the purpose of Control Building Ventilation?
Provide controlled environment for access control area, upper and lower cable spreading rooms, computer rooms, HVAC room, and elevator machine room
Also, removes smoke and fumes from the areas
What cools the control building ventilation?
PCW
Power supply for all Control Building ventilation?
11B21
