POTABLE W ATER SYSTEM D/O (OPTION 3 TANKS) (3) INDICATING
Two tanks have an ultrasonic unit quantity transmitter, which nds
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signals to the Vacuum System Controller (VSC). The VSC transmits the
signal directly to the water indication panel on the Potable Water Service
Panel (PWSP) and through the Cabin Intercommunication Data System (CIDS) to the Flight Attendant Panel (FAP). The VSC transmits the
potable water quantity pre-lection signals from the FAP to the
pre-lection units. The indication panel has an indicator. Note that the indication panel is optional.
情人节英文The display unit on the FAP shows:
湖北中考时间- the water quantity,
- the condition of the potable water system,
- the pre-lection value,
- the possible failure messages of the system.
关于学习的英语作文
INDICATING
POTABLE W ATER SYSTEM D/O (OPTION 3 TANKS) (3) FILLING
Filling can be done with or without electrical power.
WITH ELECTRICAL POWERhorizontal是什么意思
On the FAP, the pre-lection level can be t to 25%, 50%, 75% or
100%. On the PWSP, turn the control handle from NORMAL to the
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FILL position. Then, the fill/drain valve, the ventilation/overflow
valve and the ventilation SOV valve open electrically. The
"FILL-LINE DRAIN V ALVE OPEN" control light and the "FWD
VENT V ALVE OPEN" control light come on.
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During filling, the water quantity is transmitted from the VSC to the
belchCIDS.
connectionstringWhen the t value is reached, the "FWD TANK FULL" control light
for the two forward tanks, and the "AFT TANK FULL" control light
for the aft tank come on.
After the three tanks have reached the t level, the fill/drain valve
clos, the control handle goes back to the NORMAL position
automatically, and the "FILL-LINE DRAIN V ALVE OPEN" control
light goes off. The ventilation SOV valve and the ventilation/overflow
valve are clod electrically and the "FWD VENT V ALVE OPEN"
becaucontrol light also goes off on the PWSP. The potable water filling is
completed.
