TM 55-1925-282-14&P
OPERATOR, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE
REVERSE OSMOSIS WATER PURIFICATION UNIT FOR
INLAND AND COASTAL LARGE TUG (LT)
OPERATION UNDER USUAL CONDITIONS
INITIAL SETUP:
Personnel Required:
Equipment Conditions:
One Watercraft Engineer, 88L
General service system operating in normal mode
(TM 55-1925-273-10).
References:
Potable water system operating in normal mode
TM 55-1925-273-10
(TM 55-1925-273-10).
SECURITY MEASURES FOR ELECTRONIC DATA
No electronic data is used or stored in the Reverse Osmosis Water Purification Unit (ROWPU).
STARTUP
System startup is accomplished by performing the following actions in the listed order:
1. Electrical/Piping Lineup
2. Media Filter Backflush
3. Align Media Filter for Normal Operation
4. Start ROWPU 1 and/or ROWPU 2 as necessary
ELECTRICAL/PIPING LINEUP
1. At the main switchboard in the EOS, set the following circuit breakers to ON:
a. AUX MACH SPACE NO.2 PWR PNL NO.5 (figure 1, item 1)
b. 3-25 KVA 1 XFMRS (figure 1, item 2)
2. At the engine room load center distribution panel, set the 120V DISTRIBUTION PANEL No. 4 circuit breaker
(figure 2, item 1) to ON.
3. At 120V distribution panel No. 4, set the ROWPU BATTERY CHARGER circuit breaker (figure 3, item 1) to
ON.
4. At the ROWPU battery charger, turn ON the A.C. SWITCH (figure 4, item 1).
5. At the ROWPU 24 Vdc control panel, set the following circuit breakers to ON:
a. RO #1 (figure 5, item 1)
b. RO #2 (figure 5, item 2)
c.
FWF PUMP (figure 5, item 3)
6. At 440V power panel No. 5, set the following circuit breakers to ON:
a. REVERSE OSMOSIS WATER MAKER No. 1 (figure 6, item 1)
b. REVERSE OSMOSIS WATER MAKER No. 2 (figure 6, item 2)
0005 00-1
