ata 38 – water - waste

FALCON 7X
CODDE 1
02-38-05
ATA 38 – WATER - WASTE
PAGE 1 / 6
GENERAL
DGT97831
ISSUE 2
ACRONYMS
CAS
CB
CMC
CMS
MAU
NAV
PWS
SSPC
WSCU
Crew Alerting System
Circuit Breaker
Central Maintenance Computer
Cabin Management System
Modular Avionic Unit
Navigation
Potable Water System
Solid State Power Controller
Water System Computer Unit
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02-38-05
PAGE 2 / 6
FALCON 7X
ATA 38 – WATER - WASTE
CODDE 1
GENERAL
ISSUE 2
DGT97831
INTRODUCTION
The Water system provides potable cold and hot water to:
-
The washbasin faucets in the aft lavatories,
-
The washbasin faucet and coffee maker in the galley.
The system is controlled:
-
Automatically through the Water System Computer Unit (WSCU),
-
Manually by one of the crew members in case of WSCU failure.
The waste water and the whole water system are drained overboard through two heated drain
masts.
The aft toilets are chemical-type with a dedicated tank and recirculating system.
The water and waste system includes the following options:
-
Washbasin faucet in the optional forward lavatory,
-
Chemical-type toilets in the optional forward lavatory.
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FALCON 7X
02-38-05
ATA 38 – WATER - WASTE
CODDE 1
PAGE 3 / 6
GENERAL
DGT97831
ISSUE 2
FLIGHT DECK OVERVIEW
CONTROLS
No dedicated control is available in the cockpit for the Water and Waste system.
However, water heaters in the galley will be electrically powered only if the GALLEY
MASTER pushbutton is selected on the electrical portion of the overhead panel.
INDICATIONS
Cockpit indications related to water and waste system are displayed on:
- The ENG-CAS window for CAS messages,
- The STATus synoptic / FAULT tab for fault messages.
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02-38-05
PAGE 4 / 6
FALCON 7X
ATA 38 – WATER - WASTE
CODDE 1
GENERAL
ISSUE 2
DGT97831
CABIN OVERVIEW
CONTROLS
Controls available in flight for the water and waste system are:
- The water tank control and indication panel, located in the galley for:
o Compressor switch,
o Drain pushbutton,
- The water heater override controls located on each water heater:
o One in the galley,
o One in the rear lavatory,
- The forward and rear isolation valves, located in the galley.
INDICATIONS
Indications related to the water and waste system are displayed on:
- The water tank control and indication panel, located in the galley for:
o Water tank level indication,
o Tank drain valve status,
- The water pressure gauge located in the galley,
- The water heater status light located on each water heater.
NOTE
Controls and indicating detailed location may change according to completion.
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FALCON 7X
02-38-05
ATA 38 – WATER - WASTE
CODDE 1
PAGE 5 / 6
GENERAL
DGT97831
DRAIN
PUSHBUTT0N
ISSUE 2
COMPRESSOR
SWITCH
DRAIN
LIGHT
WATER LEVEL
INDICATION
WATER TANK AIR
PRESSURE MANOMETER
FIGURE-02-38-05-01 - GALLEY WATER SYSTEM CONTROL
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02-38-05
PAGE 6 / 6
FALCON 7X
ATA 38 – WATER - WASTE
CODDE 1
GENERAL
ISSUE 2
DGT97831
FIGURE 02-38-05-02 - AFT LAVATORY WATER & TOILET CONTROL
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FALCON 7X
02-38-10
ATA 38 – WATER - WASTE
CODDE 1
PAGE 1 / 6
DESCRIPTION
DGT97831
ISSUE 2
GENERAL
The water and waste system is composed of:
-
-
The potable water system including:
o
The Water System Computer Unit (WSCU),
o
The galley control panel,
o
A pressurised water tank,
o
Filling, rinsing, venting and distribution lines,
o
An air compressor,
o
A water servicing panel,
o
Two water heaters,
o
Two sets of drain lines and masts.
The toilet system including:
o
A chemical recirculating assembly,
o
Filling and rinsing lines,
o
Drain pipe (ground servicing).
The toilet system is the same for the optional forward lavatory as the aft toilet system.
DASSAULT AVIATION Proprietary Data
02-38-10
FALCON 7X
ATA 38 – WATER - WASTE
PAGE 2 / 6
CODDE 1
DESCRIPTION
ISSUE 2
DGT97831
WATER SYSTEM
WATER SYSTEM ARCHITECTURE
FIGURE 02-38-10-00 - POTABLE PRESSURIZED WATER SYSTEM
WITH OPTIONAL FWD LAVATORY
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FALCON 7X
CODDE 1
02-38-10
ATA 38 – WATER - WASTE
PAGE 3 / 6
DESCRIPTION
DGT97831
ISSUE 2
WATER SYSTEM MAIN COMPONENTS
Water System Computer Unit
The Water System Computer Unit (WSCU) performs:
- Compressor and water heater control,
- Drain heater regulation,
- Monitoring (heater power, overheat protection),
- Indicating (air pressure, water tank gauging),
- Failure report for triggering CAS Messages and Fault message to the Central
Maintenance Computer.
Galley control panel
The galley control panel provides information and control capability to a crew member.
In case of controller failure override controls are performed.
Water tank
A pressurized water tank located under the floor delivers potable water to lavatories
(faucets) and galley (water is distributed by tank pressure).
Potable water tank capacity is 20 USG (75 liters).
Compressor
An electrical compressor located in the baggage compartment is used as primary
pressure source for the water system.
The tank can be manually pressurized on ground in case of compressor malfunction.
Three operating modes are available for the compressor: ON /OFF /AUTO:
- "OFF" mode:
o No Power Supply and no WSCU monitoring is provided.
- "ON" mode:
o The compressor is powered independently from the WSCU, with an automatic time
limitation of 25 minutes.
- "AUTO" mode:
o The compressor operation is managed by the WSCU (operation time limited to 23
minutes),
o System pressure is about 20 psi, controlled by the WSCU through a pressure
sensor.
Water heater
Two Toilet water heaters (one in the galley and one in the aft lavatory) supply hot water to
the system.
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02-38-10
FALCON 7X
ATA 38 – WATER - WASTE
PAGE 4 / 6
CODDE 1
DESCRIPTION
ISSUE 2
DGT97831
Drain lines and mast
The drain masts and the heating elements of the lines are automatically activated as
soon as the airplane is electrically powered.
Waste water is drained through water forward and aft drain masts located under the
fuselage. Masts and lines are electrically heated.
The forward mast drains:
- The galley sink,
- The optional forward lavatory washbasin.
The aft mast drain:
- The water tank and vent line,
- The aft lavatory washbasin.
¾ Refer to DESCRIPTION - SUPPLEMENTARY INFORMATION section for additional
information on Water system
¾ Refer to ATA 30-3 for MAST HEATING supplementary information.
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FALCON 7X
CODDE 1
02-38-10
ATA 38 – WATER - WASTE
PAGE 5 / 6
DESCRIPTION
DGT97831
ISSUE 2
TOILET SYSTEM
The toilets installed in the aft lavatories (and optional forward lavatories) are conventional
chemical recirculating assemblies.
FIGURE 02-38-10-01 - AFT CHEMICAL TOILET
¾ Refer to DESCRIPTION - SUPPLEMENTARY INFORMATION section for additional
information on Toilet system.
DASSAULT AVIATION Proprietary Data
FALCON 7X
02-38-15
ATA 38 – WATER - WASTE
CODDE 1
PAGE 1 / 8
DESCRIPTION - SUPPLEMENTARY INFORMATION
DGT97831
ISSUE 2
DESIGN PRINCIPLE
The water waste system was designed considering the following design principles:
With regard to safety:
-
Tank, drain and distributions lines are protected against freezing,
-
Each heater system is automatically protected against over temperature,
-
Water tank and air compressor are protected against overpressure (and negative pressure
for tank).
With regard to efficiency:
-
Water system is automatically controlled and monitored by the WSCU (a manual control
can be performed from the galley control panel).
With regard to comfort:
-
Potable water is delivered to the lavatories and galley faucets and to the coffee maker,
-
Hot water is delivered to the lavatories and galley faucets,
-
Two toilets are installed in the forward and aft lavatories,
With regard to maintenance:
-
-
Facilities for ground servicing with:
o
A single service panel for potable water tank servicing (pressure filling),
o
Gravity filling capacity (servicing point close to the galley and main entry),
o
Each toilet assembly is serviced from its own service panel.
Facilities for trouble shooting:
o
The WCSU monitor compressor, drain valves and heater systems operation and send a
message to the CMC in case of malfunction.
DASSAULT AVIATION Proprietary Data
02-38-15
FALCON 7X
ATA 38 – WATER - WASTE
PAGE 2 / 8
CODDE 1
DESCRIPTION - SUPPLEMENTARY INFORMATION
ISSUE 2
DGT97831
EQUIPMENT LOCATION
FIGURE 02-38-15-00 - LOCATION OF POTABLE WATER TANK BETWEEN FRAME 15 AND 16
FIGURE 02-38-15-01 - FRONT AND REAR DRAINING SYSTEM PICTURE
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FALCON 7X
CODDE 1
02-38-15
ATA 38 – WATER - WASTE
PAGE 3 / 8
DESCRIPTION - SUPPLEMENTARY INFORMATION
DGT97831
ISSUE 2
FIGURE 02-38-15-02 - AFT LAVATORY WATER & TOILET CONTROL
DASSAULT AVIATION Proprietary Data
02-38-15
FALCON 7X
ATA 38 – WATER - WASTE
PAGE 4 / 8
CODDE 1
DESCRIPTION - SUPPLEMENTARY INFORMATION
ISSUE 2
DGT97831
ELECTRICAL POWER SOURCE
Following paragraph describes the power supply of the different equipment of the water waste
system.
Electrical protection is provided:
-
Either by Solid State Power Controllers (SSPC) ,
-
Or by Circuit Breakers (CB).
¾ Refer to ATA 24 – ELECTRICAL POWER for additional information.
EQUIPMENT
POWER SUPPLY
TYPE OF PROTECTION
Compressor
RH Main Bus
SSPC
WSCU
RH Main Bus
CB
Water Heaters
RH Main Bus
CB
Lines heaters
(distribution,drain,vent)
RH Main Bus
CB
Tank heater
RH Main Bus
CB
Mast heaters
RH Main Bus
CB
Drain valve
RH Main Bus
CB
FWD & AFT toilet system
RH Main Bus
SSPC
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FALCON 7X
02-38-15
ATA 38 – WATER - WASTE
CODDE 1
PAGE 5 / 8
DESCRIPTION - SUPPLEMENTARY INFORMATION
DGT97831
ISSUE 2
MAIN COMPONENTS OF THE POTABLE WATER SYSTEM
WATER SYSTEM COMPUTER UNIT (WSCU)
The WSCU is a computer which manages or dialogs with:
- Pressure sensor,
- Cabin Management System (CMS),
- Heater System,
- Compressor,
- Tank drain valve,
- Level gage,
- Drain command,
- MAU 2 channel A which provides airplane data,
- MAU 2 which receives water system status and maintenance report.
WATER HEATERS
Toilet water heaters supply hot water to the toilets washbasins.
It provides 1.4 water liters at 52°c (125°F) approximately.
It is load shed when
pushbutton is OFF (Overhead panel / DC SUPPLY).
FIGURE 02-38-15-03 - HEATER
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02-38-15
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FALCON 7X
ATA 38 – WATER - WASTE
CODDE 1
DESCRIPTION - SUPPLEMENTARY INFORMATION
ISSUE 2
DGT97831
COMPRESSOR
FIGURE 02-38-15-04 - AIR COMPRESSOR
In ON mode,
- The compressor operation is limited to 25 minutes by a circuit board with a reset time of
10 minutes.
In AUTO mode, the compressor operation is managed through the WSCU controls the air
compressor operation such that:
- It is activated when pressure decreases below 17 psig (1.17 bar),
- It is deactivated when pressure reaches 22 psig (1.52 bar).
If the humidifier option is installed, the WSCU manages the compressor as follows:
- It is activated when pressure decreases below 24 psig (1.65 bar),
- It is deactivated when pressure reaches 29 psig (1.99 bar).
In AUTO mode, the operation is time limited to 23 minutes.
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FALCON 7X
02-38-15
ATA 38 – WATER - WASTE
CODDE 1
PAGE 7 / 8
DESCRIPTION - SUPPLEMENTARY INFORMATION
DGT97831
ISSUE 2
WATER DRAIN
Waste water is drained through water front and rear drain masts located under the
fuselage. Drain is also used for water tank dump.
Masts and drain lines are electrically heated.
FIGURE 02-38-15-05 - DRAIN MAST
¾ For more information, refer to ATA 30.
NOTE
The water system can be drained to prevent damage by freezing in normal operating
conditions, it is recommended to drain the tank to avoid contamination.
For more information see GROUND SERVICING document.
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02-38-15
FALCON 7X
ATA 38 – WATER - WASTE
PAGE 8 / 8
CODDE 1
DESCRIPTION - SUPPLEMENTARY INFORMATION
ISSUE 2
DGT97831
CHEMICAL TOILET
The chemical-type rear toilet unit features a drain pan with a drain valve and bowl equipped
with a flush and drain system.
Toilet waste water draining and toilet water tank filling can be performed through ports inside
the toilet service panel.
Toilet has a fiberglass drain pan with a capacity of 14.3 USG (54 liters) included 2.8 USG
(10.6 liters) for pre-loaded for the aft toilet and 2.1 USG (8 liters) for the forward toilet.
FIGURE 02-38-15-06 - CHEMICAL TOILET
DASSAULT AVIATION Proprietary Data
FALCON 7X
02-38-20
ATA 38 – WATER - WASTE
CODDE 1
PAGE 1 / 6
CONTROLS AND INDICATIONS
DGT97831
ISSUE 2
CONTROLS
The control available in flight for water and waste system is performed via:
-
The water tank control and indication panel located in the galley for:
o
The drainage control,
o
The compressor control,
-
The isolation valves manual control,
-
The two water heaters switches.
WATER TANK CONTROL AND INDICATION PANEL
DRAIN
PUSHBUTT0N
COMPRESSOR
SWITCH
FIGURE 02-38-20-00 - WATER TANK CONTROL AND INDICATION PANEL
CONTROL
FUNCTION
First push: opens the water tank drain
valve, thus starting a drainage
sequence.
DRAIN PUSHBUTTON
Second push: closes the water tank
drain valve, thus stopping the drainage
sequence.
DASSAULT AVIATION Proprietary Data
02-38-20
FALCON 7X
ATA 38 – WATER - WASTE
PAGE 2 / 6
CODDE 1
CONTROLS AND INDICATIONS
ISSUE 2
DGT97831
CONTROL
FUNCTION
The compressor
positions:
switch
has
three
-
AUTO: the WSCU controls the
compressor power supply using
information provided by the pressure
sensor,
-
ON: compressor is power supply
independently of the WSCU,
-
OFF: compressor is not power
supply.
COMPRESSOR SWITCH
ISOLATION VALVES
Two isolation valves allow isolating systems in case of leak or specific maintenance
operation:
- Forward valve: isolate the forward portion of the water system to rest of system,
- Aft valve: isolate the aft portion of the water system to rest of system.
Filter Cartridge
Forward Isolation Valve
Water supply from Water Tank
Rear Isolation Valve
FIGURE 02-38-20-01 - ISOLATION VALVES
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FALCON 7X
02-38-20
ATA 38 – WATER - WASTE
CODDE 1
PAGE 3 / 6
CONTROLS AND INDICATIONS
DGT97831
ISSUE 2
WATER HEATER TEST PANEL
The water heater switch is located on each water heater.
FIGURE 02-38-20-02 - WATER HEATER PICTURE
CONTROL
FUNCTION
ON: the water heater is powered on,
Water heater switch
OFF: the water heater is powered off.
DASSAULT AVIATION Proprietary Data
02-38-20
FALCON 7X
PAGE 4 / 6
ATA 38 – WATER - WASTE
CODDE 1
CONTROLS AND INDICATIONS
ISSUE 2
DGT97831
INDICATIONS
Cabin indications related to the Water and Waste system are displayed on:
-
The water tank control and indication panel located in the galley for:
o
Water tank level indication,
o
Water tank drain valve status,
-
The water pressure gauge located in the galley,
-
The water heater status light located on each water heater.
WATER TANK CONTROL AND INDICATION PANEL IN THE GALLEY
DRAIN
LIGHT
WATER LEVEL
INDICATION
FIGURE 02-38-20-03 - WATER TANK CONTROL AND INDICATION PANEL
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FALCON 7X
02-38-20
ATA 38 – WATER - WASTE
CODDE 1
PAGE 5 / 6
CONTROLS AND INDICATIONS
DGT97831
ISSUE 2
WATER TANK LEVEL
The indicator indicates the remaining potable water quantity. The indication is done
through six level lights.
FIGURE 02-38-20-04 - WATER LEVEL IDICATION
FIGURE 02-38-20-05 - WATER LEVEL DESCRIPTION
Water tank drain valve status
The drain light illuminates when the water tank drain is fully open.
DASSAULT AVIATION Proprietary Data
02-38-20
PAGE 6 / 6
FALCON 7X
ATA 38 – WATER - WASTE
CODDE 1
CONTROLS AND INDICATIONS
ISSUE 2
DGT97831
WATER TANK AIR PRESSURE MANOMETER
The gauge indicates the accumulator water tank pressure.
FIGURE 02-38-20-06 - ACCUMULATOR WATER TANK PRESSURE
WATER HEATER STATUS
Each water heater is equipped with a water heater light.
The light is on when the water heater is powered on.
FIGURE 02-38-20-07 - WATER HEATER PICTURE
DASSAULT AVIATION Proprietary Data
FALCON 7X
ATA 38 – WATER - WASTE
02-38-25
CODDE 1
CONTROLS AND INDICATIONS
SUPPLEMENTARY INFORMATION
PAGE 1 / 2
DGT97831
ISSUE 2
No supplementary information to be provided on CONTROLS AND INDICATIONS at present
time.
DASSAULT AVIATION Proprietary Data
FALCON 7X
CODDE 1
02-38-30
ATA 38 – WATER - WASTE
PAGE 1 / 2
SYSTEM PROTECTIONS
DGT97831
ISSUE 2
SYSTEM MONITORING
For the Water and Waste systems, the following parameters are monitored:
-
Air compressor operation time,
-
Heaters overheat,
-
Open status of the Tank drain valve.
In addition, a leak detection system would allow to detect leaks:
-
In the water tank drain area,
-
In the baggage compartment.
¾ Refer to CODDE 2 for a complete list of CAS messages.
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02-38-30
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FALCON 7X
ATA 38 – WATER - WASTE
CODDE 1
SYSTEM PROTECTIONS
ISSUE 2
DGT97831
ACTIVE PROTECTIONS
Protection against freezing for water system:
-
All the drain and distribution lines located underfloor are heated and insulated,
-
An automatic drain below the water tank is heated on ground,
-
The water tank is heated by a heated blanket, the temperature being regulated through a
temperature sensor in the blanket.
Protection against over temperature:
-
Overheat protection is performed by a temperature control system through various
temperatures sensors and the WSCU.
-
The toilet recirculating pump is protected by a thermal device in case of overheat.
Protection against overpressure:
-
The tank is protected from overpressure by a pressure relief valve rated at +40 psi and
from negative pressure by a vacuum breaker valve,
-
The compressor is protected by an integrated overpressure valve.
Protection against leaks:
-
Automatic drainage is performed in case of water tank leak,
-
Heated pipes allow permanent drainage of water in case of leak in the baggage
compartment.
DASSAULT AVIATION Proprietary Data
FALCON 7X
ATA 38 – WATER - WASTE
02-38-35
CODDE 1
SYSTEM PROTECTIONS SUPPLEMENTARY INFORMATION
PAGE 1 / 2
DGT97831
ISSUE 2
No supplementary information to be provided on Water and Waste protection at present time.
DASSAULT AVIATION Proprietary Data
FALCON 7X
02-38-40
ATA 38 – WATER - WASTE
CODDE 1
PAGE 1 / 8
GROUND OPERATION
DGT97831
ISSUE 2
POTABLE WATER TANK SERVICING
PRESSURE FILLING
The pressure filling system includes a dual fill valve which is open by a handle on the
potable water service panel via flex control.
A dual fill valve has one way for filling the tank and the other way to vent the tank while filling
and drain overflow in case of overfilling.
FIGURE 02-38-40-00 WATER TANK PRESSURE FILLING SYSTEM
Pressure filling is achieved from a single potable water service panel located outside of the
airplane (RH side frame 15-16).
DASSAULT AVIATION Proprietary Data
02-38-40
PAGE 2 / 8
FALCON 7X
ATA 38 – WATER - WASTE
CODDE 1
GROUND OPERATION
ISSUE 2
DGT97831
WATER
SERVICING PANEL
CONTROL
HANDLE
WATER
FULL LIGHT
FIGURE 02-38-40-01 WATER SERVICE PANEL
CONTROL AND INDICATING
FUNCTION
Control handle has two positions:
-
Pulling the handle opens the dual filing
valve,
-
Pushing the handle closes the dual filing
valve.
Control handle
Water full light
Light illuminates when the tank is full to warn
the operator to stop refilling.
DASSAULT AVIATION Proprietary Data
FALCON 7X
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ATA 38 – WATER - WASTE
CODDE 1
PAGE 3 / 8
GROUND OPERATION
DGT97831
ISSUE 2
NOTE
The water pressure of the external filling source must not exceed 60 psi (4 bar).
Filling instructions are printed inside of the water service panel door.
The water level indication is displayed on the SERVICING page accessible through TEST
synoptic.
GRAVITY FILLING
A gravity filling is available from a point located on the LH side of the airplane at the main
entry door area.
A safety cap prohibits opening while the tank is pressurized. It is fitted with a
depressurization device (push to vent).
A dedicated "Full light" is located near the gravity filling port.
FIGURE 02-38-40-02 WATER TANK GRAVITY FILLING SYSTEM
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FALCON 7X
ATA 38 – WATER - WASTE
CODDE 1
GROUND OPERATION
ISSUE 2
DGT97831
GRAVITY FILING
LIGHT
FIGURE 02-38-40-03 - WATER GRAVITY FILLING PANEL
CONTROL AND INDICATING
FUNCTION
Press to depressurize the water tank.
Cap
Gravity filing light
Turn to move it
Light illuminates when the tank is full to warn the
operator to stop refiling.
DASSAULT AVIATION Proprietary Data
FALCON 7X
CODDE 1
02-38-40
ATA 38 – WATER - WASTE
PAGE 5 / 8
GROUND OPERATION
DGT97831
ISSUE 2
The potable water level is displayed on the SERVICING page accessible through TEST
synoptic.
The potable water level is displayed in US gallons (unit name “USG”), If the quantity of water
is lower than 0.8 USG (3 l), then an “EMPTY” indication is displayed instead of the water
level.
FIGURE 02-38-40-04 - SERVICING PAGE
¾ Refer to GROUND SERVICING MANUAL for procedures related to potable water
servicing.
DASSAULT AVIATION Proprietary Data
02-38-40
FALCON 7X
PAGE 6 / 8
ATA 38 – WATER - WASTE
CODDE 1
GROUND OPERATION
ISSUE 2
DGT97831
TOILET SERVICING
Servicing is achieved for forward toilet assembly from a service panel installed at the forward
fuselage section close to the forward toilet assembly (optional).
Servicing is achieved for rear toilet assembly from two service compartments installed at the
rear fuselage section close to the rear toilet assembly.
The toilet service panels allow the following functions:
-
Toilet tank draining,
-
Toilet tank filling (8 liters for forward toilet and 10.6 liters for rear toilet).
CONTROL AND INDICATING
FUNCTION
Control the start / stop draining of the toilet tank.
Toilet drain control
Pull to start the draining of the toilet tank.
To open turn the cap of the toilet drain coupling
counterclockwise.
Toilet drain cap
Indicator is red when drain cap isunlocking.
Unlocking indicator: green or red
Indicator is green when drain cap is locking
Control the opening / closure of the toilet valve.
Toilet flushing valve
Allow to connect the adapter for toilet flushing.
NOTE
Draining tube should be connected prior to opening the draining valve.
¾ Refer to GROUND SERVICING MANUAL for procedures related to toilet servicing.
DASSAULT AVIATION Proprietary Data
FALCON 7X
CODDE 1
02-38-40
ATA 38 – WATER - WASTE
PAGE 7 / 8
GROUND OPERATION
DGT97831
ISSUE 2
FIGURE 02-38-40-05 - TOILET SERCVICING
DASSAULT AVIATION Proprietary Data