BLEED Page - Lower ECAM Display Unit
Figure 008
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BLEED Page - Lower ECAM Display Unit
Figure 009
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DISTRIBUTION - DESCRIPTION AND OPERATION________________________________________ 1. General_______ **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
R (Ref. Fig. 001) **ON A/C 151-199, 401-499,
(Ref. Fig. 001A) **ON A/C ALL
The pneumatic system is divided into sub-systems as follows: A. The Temperature and Pressure Regulating System for the Bleed Air from the engine compressor (Ref. 36-11-00). **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
R (Ref. Fig. 002) **ON A/C 151-199, 401-499,
(Ref. Fig. 002A) **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
R (Ref. Fig. 003) **ON A/C 151-199, 401-499,
(Ref. Fig. 003A) **ON A/C ALL
(Ref. Fig. 004, 005)
Pneumatic System - Schematic
Figure 001
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Pneumatic System - Schematic
Figure 001A
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Pneumatic System - Schematic
Figure 002
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Pneumatic System - Schematic
Figure 002A
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Component Location - Engine and Pylon
Figure 003
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Component Location - Engine and Pylon
Figure 003A
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Component Location - Wing Figure 004
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Component Location - Avionics Compartment Figure 005
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**ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,
This system is installed in the nacelle and pylon of each engine and includes:
-an Intermediate Pressure Bleed Check (IPC) Valve,
-
a High Pressure Bleed Valve (HPV),
-
a Pressure Regulator Bleed Valve (PRV) which permits or stops the bleed air supply. It also keeps the downstream pressure to a specified limit with a Bleed Pressure Regulated Valve Control Solenoid ,
-an Over-Pressure Valve (OPV) which protects the downstream pneumatic system if the PRV does not operate,
-a bleed air precooler exchanger (air-to-air) which controls the air temperature downstream of the system. The engine fan supplies cooling air through a Fan Air Valve (FAV) to the precooler. A Fan-Air Valve Control Thermostat installed downstream of the precooler controls the butterfly plate of the FAV,
-an Exchanger Outlet Temperature Sensor which monitors the temperature in the ducts,
-
two presssure transducers which monitor the pressure in the ducts,
-
two Bleed-air Monitoring Computers (BMC1 and BMC2) which receive information from the sensors. They monitor the system and control its operation,
-
two temperature sensors which detect overtemperature in ducts and give temperature indication.
R **ON A/C 151-199, 401-499,
This system is installed in the nacelle and pylon of each engine and includes:
-an Intermediate Pressure Bleed Check (IPC) Valve,
-
a High Pressure Bleed Valve (HPV),
-
a Pressure Regulator Bleed Valve (PRV) which permits or stops the bleed air supply. It also keeps the downstream pressure to a specified limit with a Bleed Pressure Regulated Valve Control Solenoid ,
-A solenoid valve which allows the air in the sense line between the PRV and the HPV to vent to the atmosphere. This causes the HPV to close.
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