TM 10-4610-241-10
TO 4OW4-13-41
2-14. SHUTDOWN PROCEDURES - cont.
CAUTION
Follow the exact sequence of shutdown steps in table 2-5 to prevent damage to the
ROWPU.
Table 2-5. Shutdown Position of Valve or Switch
Order
Valve or Switch
Position
1
CHEMICAL FEED RUN/PRIME valves (figure 2-60)
PRIME
2
CHEMICAL FEED PUMP control knobs (figure 2-56)
10
3
REGULATE PRODUCT FLOW valve (1, figure 2-74)
OPEN
4
VENT PRODUCT WATER valve (7, figure 2-46)
OPEN
CAUTION
After opening the REGULATE PRODUCT FLOW valve fully, wait 5 minutes
before opening vent vessels valve.
5
VENT VESSELS gate valve (5, figure 2-46)
OPEN
6
VENT CARTRIDGE FILTER VALVE (2, figure 2-74)
OPEN
7
VENT PULSE DAMPENER valve (Model WPES-10, WPES-20, and WPES-30)(3, figure
OPEN
2-74)
8
VENT MULTIMEDIA FILTER valve (4, figure 2-74)
OPEN
9
R.O. PUMP SWITCH (5, figure 2-74)
STOP
10
BOOSTER PUMP switch (6, figure 2-74)
STOP
11
CHEMICAL FEED PUMP switch (7, figure 2-74)
STOP
12
RAW WATER PUMP NO. 2 switch (8, Figure 2-74)
STOP
13
RAW WATER PUMP NO. 1 switch (9, figure 2-74)
STOP
NOTE
CB-2, CB-8 AND CB-9 must remain on (up) to perform backwash procedures.
Leave circuit breakers on if extended shutdown will be performed.
14
Circuit Breakers CB-1 THRU CB-9 (figure 2-5)
Off (Down)
2-122 Change 2
