FlightSafety LEARJET 45 - Page 223

9-5
FOR TRAINING PURPOSES ONLY
LEARJET 45 PILOT TRAINING MANUAL
FlightSafety
international
SWITCH POSITION VALVE STATUS
L/R BLEED On ECS PRSOV
HPSOV
EMER PRESS
De-Powered Open
Powered Open
De-Powered Closed
L/R BLEED OFF ECS PRSOV
HPSOV
EMER PRESS
Powered Closed
De-Powered Closed
De-Powered Closed
EMER PRESS ON ECS PRSOV
HPSOV
EMER PRESS
Powered Closed
De-Powered Closed
Powered Open
L/R BLEED CB Set ECS PRSOV
HPSOV
EMER PRESS
De-Powered Open
Powered Open
Powered Open
L/R BLEED CB Open ECS PRSOV
HPSOV
EMER PRESS
De-Powered Open
De-Powered Closed
De-Powered Closed
FIRE PUSH Depressed
(CLOSED)
ECS PRSOV Powered Closed
PACK On
(Dark)
BI-LEVEL PRSOV De-Powered Open
PACK OFF BI-LEVEL PRSOV Powered Closed
With Emergency Pressurization activated on both sides, subsequent selection
of either Bleed S/I OFF to reduce temperature is an option.
NOTE 1:
The Bleed S/I must be On to activate Emergency Pressurization on the
corresponding side.
NOTE 2:
At least one (L or R) Bleed S/I must be On for Wing/Stab Anti-Ice to function
(See Chapter 10).
NOTE 3:
Table 9-1. BLEED-AIR VALVE CONFIGURATION