E175 Apu

Front 1

Manufacturer

Back 1

Sundstrand APS 2300

Front 2

First and Second start attempts

Back 2

START/ON then 60 seconds OFF

Front 3

Third Start Attempt

Back 3

START/ON then 5 min OFF

Front 4

Minimum Starting Temperature

Back 4

-54°C

Front 5

Maximum Operation Temperature

Back 5

ISA +39°C

Front 6

EGT (Start)

Back 6

1032°C

Front 7

EGT (Continuous)

Back 7

717°C

Front 8

No time limit in amber on ground/in-flight between

Back 8

662-717°C

Front 9

Max Rotor Speed

Back 9

108%

Front 10

Maximum Altitude: Electrical

Back 10

33,000'

Front 11

Maximum Altitude: Starting

Back 11

30,000'

Front 12

Maximum Altitude: ENG Start Assist

Back 12

21,000'

Front 13

Maximum Altitude: ECS Bleed

Back 13

15,000'