PNEUMATIC VAKIFBANK

Indicating a failure of other the primary or standby pack control

Indication the right air conditioning pack is in high flow

Indicating the left pack has been selected off and right pack may overloaded

The aircraft has climbed selected flight altitude

The aircraft has descended before reaching selected flight altitude

The aircraft climbed above the selected flight altitude

8,95 PSI

8,15 PSI

8 PSI

Primary and standby controller for its respective pack

Primary controller on

Primary controller for its pack and standby controller for the other pack

İndicator disc on the water seperator is in red range

Pack light amber illuminates

Duct overheat light amber illuminates

to provide fine adjustment of temperature of cabin zones

to regulate the hot air pressure 4 PSI more than the cabin pressure

to regulate the mass of air flow at the inlet packs

The respective equipment cooling switch is in the supply/alternate position

The recirculation fan switch must be in the OFF position pack high flow

Both of pack switches must be off position the recirculation fan switch AUTO

E&e compartment

Distribution manifold in the cabin

Air condition mix bay

Boş

Boşş

Boşşş

Only when the main outflow valve fully o..

At any time when more than 1 PSI difference pressure exist

In flight when more than 2,5 PSI difference

0,10 PSI

0,25 PSI

0,125 PSI

A control panel, two cabin pressure control and two outflow valves

A control panel two cabin pressure control and one outflow valves

A control panel one cabin pressure control and one outflow valve

When the APU Bleed valve is closed and the Engine bleed switches On

When the APU Bleed valve is open and the Engine bleed switches On

When the APU Bleed valve is closed and Engine bleed switches Off

Pressure the cabin back to the take-off airport altitude

Return the cabin to the last cruise altitude

Reschedule pressurization rate of change

On the left outboard side of the nose wheel well

Right side of the FWD cargo compartment

On the right inboard side of the nose wheel well

Requires AC power for operation

Operates only when the CDU operating

İndicates both temperature and pressure in the duct

Must be on and air conditioning pack sw on

Must be on or off when using aircraft air conditioning

Must be on a d air conditioning pack switches off

Lower left side of the fuselage

Upper right side of the fuselage

Lower right side of the fuselage

BLEED TRIP OFF, DUCT OVERHEAT and ZONE TEMP lights provided the fault condition has been corrected.

DUCT OVERHEAT, PACK and ZONE TEMP lights provided the fault condition has been corrected

BLEED TRIP OFF, PACK, ZONE TEMP lights provided the fault condition has been corrected

Cruise altitude and landing altitudfe

Cruise altitude and take-off altitude

Landing altitude only

Action is required as the resetting of the system on the window heat computer

No action is required as the resetting of system automatic

The window heat switches must be momentraily positioned to off to rest the system

Related pack will regulate to LOW FLOW with flap extend

Flap selection has no effect on the low flow rate of that pack

The operating pack will regulate to high flow only with flaps up

Overboard exhaust valve

Negative pressure relief valve

Positive pressure relief valve

Primary or Standby pac controller failure

Primary pack controller failure

Primary and stanby pack controller failure

The flaps are down

Both engine bleed air switches are selected OFF regardless of flap position

The airplane is on ground

Open

Closed

Modulate

Controls the flight deck and provides back up control for the aft cabin

Controls the flight deck and fwd cabin

Controls the fwd cabin and provides backup control for the flight deck

Pressure REgulating and Shut Off valve

Isolation valve

Apu bleed valve

Controls the FWD cabin and provides backup control for the aft cabin

Controls the FWD cabin and provides backup control for the flight deck

Controls the AFT cabin and provides back up control for the flight deck

The pressure controllers for the fine adjustment of temperature

The pack controllers for the basic temperature regulation

Two pack zone controllers for thefine adjustment of temperature

The pack will regulate to LOW FLOW with flap extended

Flap sekection has ne effect on the flow rate of that pack

The operating pack will reguate o HIGH FLOW only with glaps up

Pneumatically controlled

Electrically operated

Pneumatically operated, electrically controlled

THe hot butterfly of airmix valve opens automatically

Flow control and shut off valve closes automatically

Low limit valve closes automatically

E/E compartment

Distribution manifold in the cabin

Air condition mix bay

Positioning the Pressure Mode Selector to alternate will extinguish the AUTO FAIL light

It will automatically extinguis when the pressurization controllers reverts the alternate mode

Positioning the Pressurization mode selector to alternate will have no effect on the AUTO FAIL light

Two motores each controlled by a decide cabin pressure controllers

Three motors controlled by a CPC

Three motors, two automatically one manually controlled

Compressor discharge overheat switch,ü turbin inlet overheat switch 190F/88c duct overheat switch or duct limit sensor

Compressor discharge overheat switch, turbine inlet overheat switch 190f/88c duct overheat switch

Compressor discharge overheat switch, turbine inlet overheat switch or pack discharge overheat switch

Amber in color and associated with the system

Not associated with the Master Caution

Illuminated when heat is being supplied pitot static and probe heaters

Is opened at all times irrespective of 5th stage air pressure output

Will open if the 5th stage air pressure is insufficent

will open if the APU bleed air pressure is insufficient

Fully controlled PACK/ZONE controller

Electrically controlled and operated

Either electrically controlled or pneumatically controlled

Distribution compartment

E/E compartment

LH airconditioning compartment

Amber in clour indicating over temp or over pressure

Blue colur and when illuminated indicates the engine cowl anti-ice valve is in disagreement with the engine anti-ice switch

Amber in colour indicating overpressure only

The cabin temperature controller only

The temperature controller panel and air conditioning bleed air control panel

The temperature control panel , the ACAU and PACK/ZONE Temperature Controller

30 PSI (at 231C)

40 PSI (at 231C)

60 PSI (at 231C)

The standby pack has failed but the primary control is operational

The primary pack has failed but the standby control is operational

Both primary and standby pack controls have failed.

When engine bleed air temperature or pressure exceeds a predetermined limit

Only if engine bleed air pressure exceeds a predetermined limit

Only if engine bleed air temperature exceeds a predetermined limit

are DC motor operated

are AC motor operated

are pneumatically operated

The ISOLATION VAlVE will be closed

The ISOLATION VAlVE will be opened

The ISOLATION VAlVE will be closed when the flaps are extend

Commands the RAM AIR system full close

Close the PACK FLOW CONT SOV and PACK light on

Causes the pack to go to a HIGH FLOW mode of operation

Does not required heating

Its electrically heated

It is not heated while on ground

Push the P5 trip reset switch

Select the pack switch to HIGH or AUTO

Reset is automatic

De-icing fluids are not necessary

There is no protection to prevent heating leading edge overheat conditions

THe WTAI selenoid bleeds control pressure from the Precooler Control Valve