TM 55-1925-282-14&P
0002 00
EQUIPMENT DATA
ROWPU SYSTEM 24 VDC BATTERY CHARGER/POWER SUPPLY
The battery charger/power supply provides 24 Vdc to recharge the battery, and it provides 24 Vdc during normal
ROWPU operation.
The technical characteristics of the battery charger/power supply is contained in table 1.
Table 1. ROWPU System 24 Vdc Battery Charger/Power Supply Technical Characteristics
Item
Data
Manufacturer .......................................................................................................................... La Marche
Model ............................................................................................................................. A41-40-24V-A1
Input Voltage ............................................................................................... 120 Vac, 1 phase, 50/60 Hz
Input Amps ...................................................................................................................................... 20 A
Output Voltage ............................................................................................................................ 24 Vdc
Output Amps ................................................................................................................................... 40 A
HIGH PRESSURE PUMPS
The high pressure pumps provide filtered high pressure raw water to the RO membrane elements. The maxi-
mum pressure the ROWPU can safely operate is 950 PSI (65.5 bar). To prevent exceeding the safety limit, the
high pressure switch automatically shuts the ROWPU off at 925 PSI (63.8 bar).
The technical characteristics of the high pressure pumps are contained in table 2.
Table 2. High Pressure Pumps Technical Characteristics
Item
Data
Manufacturer ........................................................................................................... GP Companies, Inc.
Model .................................................................................................................................... WM 42156
Type ......................................................................................... Positive Displacement Ceramic Plunger
Rated Capacity ................................................................................. 4.2 gallons (15.9 liters) per minute
Maximum Pressure ............................................................................................... 1500 PSI (103.4 bar)
Continuous Working Pressure ..................................................................................... 900 PSI (62 bar)
Voltage ............................................................................................................. 440 Vac, 3 phase, 60 Hz
Startup Amps .................................................................................................................................. 35 A
Running Amps ............................................................................................................................... 4.1 A
FRESH WATER FLUSH PUMP
The fresh water flush pump provides the fresh water needed for flushing the ROWPU system during mainte-
nance and layup periods.
The technical characteristics of the fresh water flush pump are contained in table 3.
0002 00-3
