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 TM 55-1925-273-10-1
0046 00
Table 11. System Controller (refer to figure 11)
Key
Control/Indicator
Function
1
SYSTEM OFF LED
Indicates no pumps or controlled processes are running, but power is
available to the ROWPU.
2
Salinity Meter
The salinity meter indicates product water salinity. The meter displays its
increasing values left to right, and each lit LED indicates a value of 100
parts per million (PPM). The first three LEDs are green, followed by six
yellow, and a single red.
3
SERVICE PUMP LED
The service pump fault LED illuminates when 500 hours have elapsed, and
scheduled pump service is due.
4
FRESH FLUSH LED
This LED illuminates to indicate that the ROWPU fresh water flush cycle is
in progress.
5
LOW PRESSURE LED
This LED illuminates to indicate that the ROWPU has shut down due to low
raw water pressure at the high pressure pump inlet.
6
HIGH PRESSURE LED
This LED illuminates to indicate that the ROWPU has shut down due to
excessive system operation pressure.
7
AUXILIARY #1 LED
This LED illuminates to indicate that the high pressure pump has shut down
due to excessive internal temperature.
8
AUXILIARY #2 LED
This LED is not used on the vessel.
9
STOP Switch
This switch is pressed to halt the current operation, and to shut down the
ROWPU during normal operation or in an emergency.
10
FRESH FLUSH Switch
This switch is pressed to begin the fresh water flush cycle during
maintenance.
11
FAULT RESET Switch
This switch is pressed to reset the system fault that automatically shuts down
the ROWPU.
12
Hour Meter
This meter registers the total operating hours of the system, and it assists the
operator in following a regular scheduled maintenance program.
13
FEED PUMP Switch
This switch is not used on the vessel.
14
BOOST PUMP Switch
This switch is not used on the vessel.
15
START Switch
This is pressed to provide power to the high pressure pump, and to begin
normal operation of the ROWPU.
16
SYSTEM ON LED
This LED illuminates to indicate that the ROWPU is operating normally, or
that a controlled process is in progress.
17
BOOSTER PUMP LED
This LED is not used on the vessel.
18
FEED PUMP LED
This LED illuminates to indicate that the high pressure pump is running.
0046 00-19
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