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condenser cores is an fail-safe if there is ice.
Delta pressure sense line bosses connect the sense lines to the
pneumatic servo-actuator of the standby temperature control
valve. Ice in the condenser creates a differential pressure that is
enough to open the standby temperature control valve. Warm
air from the standby temperature control valve, ported into the
high pressure water separator mix muff, warms the condenser
and melts the ice.
AIR CONDITIONING - COOLING - CONDENSER
EFFECTIVITY
GUN 001-099, 201-999 21-50-00
Page 98.16
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-50-00-820
AIR CONDITIONING - COOLING - CONDENSER
AIR CONDITIONING - COOLING - CONDENSER
EFFECTIVITY
GUN 001-099, 201-999 21-50-00
Page 98.17
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-50-00-820
Purpose
The water extractors remove water from the air conditioning
pack air.
Location
There are four water extractors, two in each air conditioning
pack. The water extractors are part of high pressure water
separator assemblies. These assemblies are in the forward
area of the air conditioning pack compartments.
Physical Description
The water extractors have these parts:
* Inlet
* Outlet
* Swirl chamber
* Sump
* Water drain nipples.
A rubber hose and band clamps connect the water extractor
inlet to the condenser. A flange clamp connects the water
extractor outlet to the reheater. Hoses and band clamps connect
the water drain nipples to the water spray nozzle lines.
Functional Description
The water extractors are inertial-type centrifugal flow fluid
separators.
The inlet of the water extractor has a swirl chamber to create a
vortex airflow. The water part of the airstream goes into the
outer shell of the extractor by centrifugal force. A sump collects
the water and pressure in the extractor forces the water out of
the sump into the drain nipples. Lines connect the drain nipples
to the water spray nozzle.
The water spray nozzle injects the water into the ram air duct.
This cools the ram air stream by evaporation.
AIR CONDITIONING - COOLING - WATER EXTRACTOR
EFFECTIVITY
GUN 001-099, 201-999 21-50-00
Page 98.18
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-50-00-821
AIR CONDITIONING - COOLING - WATER EXTRACTOR
AIR CONDITIONING - COOLING - WATER EXTRACTOR
EFFECTIVITY
GUN 001-099, 201-999 21-50-00
Page 98.19
D633A101-GUN Oct 10/2005
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
21-50-00-821
Purpose
The water collection manifold collects the water separated from
the air condtioning pack water extractor duct and the two water
extractors for distribution into the ram air airstream.
Location
There are two water collection manifolds, one in each air
conditioning pack. Each water collection manifold is attached to
the inboard, lower side of the associated condenser.
Physical Description
The water collection manifold has these features:
* Six input ports for water from the two water extractors
* One input port for water from the water extractor duct
* One overflow port
* One water output port
* One air output port
* Sump
Functional Description
The water collection manifold is the point of collection for all
separated water that is subsequently routed to the water spray
nozzle and into the ram air cooling airstream.
There is a water overflow port in the water collection manifold.
This port will discharge water into the pack bay in the event that
the water spray nozzle becomes plugged. This is to prevent
water from entering the turbine section of the ACM and freezing
which can possibly damage the ACM and condenser.
Training Information Point
One of the three outlet ports in the manifold is a water overflow
port that will discharge water into the pack bay in case the water
spray nozzle becomes plugged. The water collection manifold
comes with a plastic plug in this port that must be removed at
the time of installation.
AIR CONDITIONING - COOLING - WATER COLLECTION MANIFOLD
EFFECTIVITY
GUN 001-099, 201-999 21-50-00
Page 98.20
D633A101-GUN Oct 10/2005
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