TM 55-1925-282-14&P
0004 00
Table 4. System Controller (refer to figure 4)
Key
Control/Indicator
Function
1
SYSTEM OFF Light
This LED indicates no pumps or controlled processes are running,
but that power is available to the ROWPU.
2
Salinity Meter
The salinity meter indicates product water salinity. The meter dis-
plays its increasing values left to right, and each lit LED indicates a
value of 100 parts per million (PPM). The first three LED 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 nor-
mally, or that a controlled process is in progress.
17
BOOSTER PUMP LED
This LED illuminates to indicate that the high pressure pump is run-
ning.
18
FEED PUMP LED
This LED is not used on the vessel.
0004 00-7