APU
Sundstrand APS 2300
What is the make and model for the APU ?
Can power both AC buses on the ground.
What is the GPU?
IDG
What is the primary source of power?
This Battery provides power to the APU's FADEC
What does Battery One ?
115VAC, 400Hz, 15 KVA
What is the Voltage, Frequency, and Amperage rating for the RAT?
APU Temperature matches the airplane operational Envelope temperature.
What is the Max start temperature for the APU?
Can provide power to both AC buses up to FL330?
What is the APU?
This mode uses system logic to automatically controls the contactor.
What is Auto Mode?
This battery provides power to the start buss for the APU.
What is Battery 2?
130 KTS
What is the minimum airspeed for the RAT?
30,000 feet
What is the max start altitude for the APU?
Permanently installed on the airplane for auxiliary power.
What is the APU?
This mode opens the Contractor manually?
What is the OFF position?
22.0 VDC
Min voltage during the Safety and Power on Checklist to consider APU start.
Can be activated manually or automatically deploys when when both AC Buses lose power to the ESS
What is the RAT?
-54 c
What is the minimum start temperature?
115 VAC, 400hz, 40KVA
What are the voltage, frequency and amp rating of the APU?
This mode mechanically disconnects the Constant Speed Drive from the IDG?
DISC
18.0 volts
What is the min voltage to close the battery contactor ?
VMO/MMO
What is the Maximum Airspeed for RAT operation?
33,000 feet
What is the max altitude for Electrical Generation?
Provides Emergency for power for critical components
What is the Ram Air Turbine?
Crew cannot reconnect and is a maintenance function only.
DISC mode
-20 C.
Slats and Flaps will operate at half-speed.
What will happen to the Slats and Flaps when the RAT is the main source of power?
15,000 feet
What is the max bleed altitude for the APU?
Onside, Inside, Outside, Cross-Side
What is the normal AC Electrical priority?
115 VAC, 400HZ, 40KVA
What is the voltage, frequency and amp rating for the IDG?
provides 250v for engine starting.
What is the voltage for the inverter?
This standby system will align itself in 90 seconds.
What is the Integrated Electronic Standby System?(IESS)
21,000 feet
What is the max Altitude for Assist for engine start?
Line Replaceable, Plug and play, there are four of them in various electronic bays.
What are the Integrated Control Center?
One Can power both AC buses on the ground or in flight. (2 installed on airplane)
What is the IDG ?
Has three of these, they rectify AC to 28 volts, 300A and are independent from each other
What are TRUs? Transformer rectifier units?
During an electrical Emergency this hydraulic accumulator will power flight controls until the RAT has powered the ACMP?
Accumulator 3
In flight this option is not available if exceeded
What is the auto shutdown if for excessive EGT?
Collect and confirm the power is safe
What are Secondary Power Distribution Assemblies.?
You see an amber light next to the IDG disconnect switch what does this indicate?
Indicates which IDG to disconnect.
provide 24 VDC at 27 AH
What is the voltage and amp hour rating for the Batteries?
When the RAT is Deployed the DC ESS Busses 1 and 2 are supplied with current from these power sources.
What are Battery one and Battery two?
717 degree Celsius.
What is the max temperature for Continuous Operation?
The Emergency lighting power units are powered by this electrical source.
What is DC Buss 1?
Disconnects AC Bus 1 from AC BUS 2
What are the AC Buss Tie Connectors? BTC
10 min
What is the Amount of time the batteries will last during an electrical emergency?
Battery Discharge light extinguishes.
1032C
What is the Max EGT for start?