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TM 55-1925-273-10-1
0105 00
ROWPU 2 SHUTDOWN
1.
At the ROWPU 2 flow control panel (figure 13, item 5):
a.
Slowly decrease system pressure by rotating the SYSTEM HIGH PRESSURE REGULATOR valve (figure 13,
item 6) in the counterclockwise direction to the fully OPEN position.
b.
Ensure that the SYSTEM OPERATION PRESSURE gauge (figure 13, item 7) reads less than 50 PSI (3.4 bar).
2.
At the ROWPU 2 system controller:
a.
Press the STOP pushbutton (figure 14, item 1).
b.
Observe that the BOOSTER PUMP indicator (figure 14, item 2) goes out.
c.
Observe that the SYSTEM OFF indicator (figure 14, item 3) illuminates.
3.
CLOSE RO-V-2-1 (figure 13, item 8), ROWPU 2 inlet sea water supply.
4.
At 440V power panel No. 5, set the REVERSE OSMOSIS WATER MAKER No. 2. circuit breaker (figure 5, item 4) to
OFF.
ROWPU SYSTEM SHUTDOWN
! CAUTION
Perform ROWPU system shutdown only when both ROWPU 1 and ROWPU 2 are secured, and
both high pressure pumps are OFF. Equipment damage could result from improper shutdown
procedures.
1.
Ensure that both high pressure pumps are OFF by verifying that the SYSTEM OFF indicators (figure 14, item 3) are
illuminated at the ROWPU 1 and ROWPU 2 system controllers.
2.
CLOSE the following valves:
a.
RO-V-1 (figure 15, item 1), main sea water supply
b
RO-V-2 (figure 15, item 2), media filter supply
c.
RO-V-3 (figure 15, item 3), media filter discharge
d.
RO-V-8 (figure 16, item 1), product water discharge
3.
At the 440V power panel No. 5, set the following circuit breakers to OFF:
a.
REVERSE OSMOSIS WATER MAKER No. 1. (figure 5, item 3)
b.
REVERSE OSMOSIS WATER MAKER No. 2. (figure 5, item 4)
4.
Perform the Media Filter Backflush procedure (WP 0080 00).
0105 00-13


 


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