PRESSURIZATION

SERVICE AIR (23 psi)

  De-Ice Boots

  Press Outflow Valve

  Cabin Door Seals

  Throttle Detents

Pre-Cooler

  In Flight   475°C (±25)

  Ground   405°C

Bleed Air O'Heat Light 560°C

Cabin Air

  Dive Solenoid

  Hydraulic Brake Reservoir

35°F Temp Control

If the temp exiting the water separator falls below 35°F, the TCV modulates open to mix hot air with the cold air to prevent water from freezing the water separator. (The water is sprayed into the secondary heat exchanger)

EMER PRESS Illuminates:

  Selected Manually

  ACM Overheat

  Cabin Alt Exceeds 14,500'

  NORM PRESS CB Out

* EMER PRESS is not available on the ground.

Anticipater Valve - 31,000'

Cabin Heat, if manually adjusted above 31,000' may freeze and auto mode will not function properly.

Pressurization

29.92" Mercury/1013.5 mb

14.7 psi @ sea level

7.35 psi @ 18,000'

Max Capability

6800' Cabin Altitude @ 45,000'

Maintain Cabin Altitude @ Sea Level up to 26,000'

Adjust Cabin Altitude to Set Limit by 1500' above Landing Field Elevation

Starts to adjust cabin pressure for arrival at FL250 during descent

Lowest Setting in Controller is FL110

(Also the display when powered on)