Phenom 300 AMS: Pneumatic Supply

Question 1

Under what condition does the XBLEED valve open with the XBLEED switch in AUTO?

Answer 1

Loss of bleed air from one engine

Question 2

Configuration: Engine 2 is started first, SAT > 30 C. What is the position of the following valves after both engines are running?
PRSOV 1:
PRSOV 2:
XBLEED:

Answer 2

PRSOV 1: CLOSED
PRSOV 2: CLOSED
XBLEED: CLOSED

Question 3

Configuration: Engine 2 is started first, SAT > 30 C. How is fresh air supplied to the cabin?

Answer 3

Line from condenser area allows ambient air to bypass the Ram Air Valve into overhead manifold.

Question 4

Configuration: Engine 2 is started first, SAT > 30 C. When are both PRSOVs and FCSOVs (ECS) forced open?

Answer 4

TOGA Power

Question 5

Configuration: Engine 2 is started first, SAT is between 11 C and 30 C. What is the position of the following valves after both engines are running?
PRSOV 1:
PRSOV 2:
XBLEED:

Answer 5

PRSOV 1: CLOSED
PRSOV 2: OPEN
XBLEED: OPEN

Question 6

Configuration: Engine 2 is started first, SAT is between 11 C and 30 C. When is PRSOV 1 forced open and XBLEED closed?

Answer 6

TOGA Power

Question 7

Configuration: Engine 2 is started first, SAT is below 8 C. What is the position of the following valves after both engines are running?
PRSOV 1:
PRSOV 2:
XBLEED:

Answer 7

PRSOV 1: OPEN
PRSOV 2: OPEN
XBLEED: CLOSED

Question 8

What is the cockpit indication that one or both PRSOVs is closed? (3)

Answer 8

• CAS (Advisory): BLEED 1(2) OFF
• ECS Synoptic Page
• Ice Protection Synoptic Page

Question 9

What is the cockpit indication of the XBLEED position? (2)

Answer 9

• ECS Synoptic Page
• Ice Protection Synoptic Page

Question 10

Describe the position of the FCSOV (ECS) Valves with the ECS switch in BOTH.

Answer 10

Both FCSOV (ECS) valves are open.

Question 11

What occurs when the ECS switch is moved to the 1 or 2 position?

Answer 11

The selected side FCSOV (ECS) valve is open and opposite side is closed.

Question 12

What occurs when the ECS switch is moved to the OFF VENT position? (2)

Answer 12

• Ram Air Valve opens
• FCSOV (ECS) 1 and 2 close

Question 13

Describe the Control, Activation, and Fail Position of the following valves:
PRSOVs (Pressure Regulating Shutoff Valves)
XBLEED (Crossbleed Valve)
FAVs (Fan Air Valve)
WHSAIVs (Wing Horizontal Stabilizer Anti-Icing Valves)
EAIVs (Engine Anti-Icing Valves)
FCSOVs (Flow Control Shutoff Valves)
TMVs (Temperature Modulating Valves)

Answer 13

Refer to the large chart in the study packet. There’s just too much information to put down here…