Crafts

Bombardier Global 000-Air Cond and Press

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AIR CONDITIONING AND PRESSURIZATION TABLE OF CONTENTS CHAPTER 2 Page TABLE OF CONTENTS DESCRIPTION General Bleed Air System Bleed/Anti-Ice Synoptic Bleed Management Controllers (BMC) Engine Bleed Air APU Bleed Air Bleed Leak Detection Air Conditioning Controls Air Conditioning System Air Conditioning Packages (PACKS) Cooling Packs Flow Control System Ram Air Ventilation Temperature Control Temperature Control − AUTO Temperature Control − MAN Air Conditioning Bleed Leak Detection Air Distribution
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  DESCRIPTION General02−10−1Bleed Air System02−10−4Bleed/Anti-Ice Synoptic02−10−6Bleed Management Controllers (BMC)02−10−8Engine Bleed Air02−10−9APU Bleed Air02−10−10Bleed Leak Detection02−10−12Air Conditioning Controls02−10−14Air Conditioning System02−10−15Air Conditioning Packages (PACKS)02−10−17Cooling Packs02−10−18Flow Control System02−10−20Ram Air Ventilation02−10−22Temperature Control02−10−23Temperature Control − AUTO02−10−24Temperature Control − MAN02−10−27Air Conditioning Bleed Leak Detection02−10−28Air Distribution and Exhaust02−10−29Flow Control02−10−29Air Distribution and Flow Paths02−10−30Gasper Supply02−10−30Cockpit Ventilation02−10−31Recirculation02−10−32Avionics and Cockpit Display Ventilation02−10−33Auxiliary Pressurization02−10−34Humidifier System (Option)02−10−35Pressurization02−10−38Modes of Operation02−10−41Automatic Mode02−10−41Automatic Pre-Pressurization Sequence On Ground02−10−43Take-Off Sequence02−10−44Flight Sequences with FMS (Primary Mode)02−10−46Flight Sequences without FMS (Secondary Mode)02−10−49Landing Sequence at Field Elevation greater than 5,670 Feet02−10−50Landing Sequence at Field Elevation greater than 7,230 Feet02−10−51Landing Sequence at Field Elevation greater than 5,670 Feet −Levelling OffDuring Descent02−10−51Take-Off at Field Elevation greater than 7,230 Feet02−10−54 AIR CONDITIONING AND PRESSURIZATIONTABLE OF CONTENTSCHAPTER 2 02−00−1 Rev 12, Aug 14, 2006 Flight Crew Operating ManualCSP 700−5000−6 Volume 2 02−00−1 Page TABLE OF CONTENTS  DESCRIPTION Aborted Take-Off Above 7,230 feet02−10−55Rate Limit Selection02−10−55Landing Elevation02−10−56Manual Mode02−10−58Manual Mode Operation02−10−59Outflow Valves (OFV)02−10−61Safety Valves02−10−61System Safeties02−10−62Overpressure Relief02−10−62Negative Pressure Relief02−10−62Cabin Altitude Limitation02−10−63Outflow Valve Travel Limiter02−10−63Ditching02−10−63Emergency Depressurization02−10−64Close Outflow Valve02−10−64Door Open Protection02−10−65EICAS Philosophy02−10−66Bleed/Air Conditioning/Pressurization EICAS Messages02−10−67 EMS CIRCUIT PROTECTION CB − Air Cond/Press System02−20−1CB − Bleed System02−20−2 AIR CONDITIONING AND PRESSURIZATIONTABLE OF CONTENTS Rev 12, Aug 14, 2006 Flight Crew Operating ManualCSP 700−5000−6 Volume 2 02−00−2 Page  GENERAL The Environmental Control System (ECS) performs the following functions: ã Provides fresh air supply. ã Provides ram air in the event of total loss of ECS. ã Provides air for pressurization control. ã Controls cockpit and passenger compartment temperature control. ã Provides sufficient airflow for emergency pressurization. ã Provides air recirculation. ã Provides cooling for the the avionics rack. ã Exhausts the air from the cockpit and cabin. ã Exhausts the air from the toilets and galleys. ã Exhausts the air from the under floor avionics bay, avionics rack, and cockpit displays. ã Provides indications and warnings to EICAS and maintenance information to the CentralAircraft Information Maintenance System (CAIMS).Bleed Air SystemThe Bleed Air System is controlled during all phases of operation by two Bleed ManagementControllers (BMC). The BMCs provide indications and warnings to EICAS and maintenanceinformation to CAIMS.The Bleed Air System, in normal flight operations, supplies air from the engines, to the ECS andWing and Cowl Anti-Ice systems. For more information see Chapter 14, ICE AND RAINPROTECTION.On the ground, air is normally supplied from the APU. A high pressure ground air supply unit, orbleed air from the engines can also be used.The Bleed Air System control panels located on the overhead panel.Air Conditioning SystemThe air conditioning system is controlled during all phases of operation by two Air ConditioningSystem Controllers (ACSC). The ACSCs provide indications and warnings to EICAS andmaintenance information to CAIMS.The air conditioning system comprises the following sub-systems: ã The Flow Control System. ã The Air Conditioning Units (2). ã The Temperature Control System. ã Air Distribution and Exhaust. ã The Emergency Pressurization System.The Air Conditioning System control panel is located on the overhead panel.Cabin Pressure Control System (CPCS)The Cabin Pressure Control System (CPCS) is composed of two controllers, two outflow valves andtwo safety valves. The CPCS provides indications and warnings to EICAS and maintenanceinformation to CAIMS.The system includes safety devices which affect outflow valve travel limitation, cabin altitudelimitation and differential pressure limits exceedance. AIR CONDITIONING AND PRESSURIZATION Rev 2A, Apr 11, 2005 Flight Crew Operating ManualCSP 700−5000−6 Volume 2 02−10−1  GENERAL(CONT'D) The cabin is controlled to an altitude of no more than 5,670 feet at 51,000 feet airplane altitude andno more than 4,500 feet when flying at 45,000 feet. Effectivity:  ã Airplanes 9127 thru 9158  not incorporating  Service Bulletin:  ã SB 700−1A11−21−004, Modification − Pressurization Control − Cabin Altitude Reduction During Flight for Improved Passenger Comfort. The cabin is controlled to an altitude of no more than 7,230 feet at 51,000 feet airplane altitude andno more than 6,000 feet when flying at 45,000 feet.TheCPCS controls cabin rate at 500 ft/min cabin climb and 300 ft/min cabin descent (normal mode)and provides a 800 ft/min cabin climb and up to a 800 ft/min descent rate (high mode) in order toaccommodate the maximum normal airplane operating performance.The Pressurization System control panel is located on the overhead panel. AIR CONDITIONING AND PRESSURIZATION Rev 12, Aug 14, 2006 Flight Crew Operating ManualCSP 700−5000−6 Volume 2 02−10−2
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