ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
0011 00
OPERATOR INSTRUCTIONS
DESCRIPTION & USE OF OPERATOR CONTROLS & INDICATORS
Table 11. Micro-Filtration System Controls and Indicators.
ITEM
CONTROLS AND INDICATORS
FUNCTION
1
DRAIN VALVE V-108 (P-3 MOTOR-DRIVEN RAW
Used to drain the MF Pump P-3 for maintenance or at end of mission.
WATER PUMP).
2
STRAINER DRAIN VALVE V-109.
Drains Strainer Basket S-2.
3
VENT VALVE V-110.
Used as vent when Draining Strainer S-2 and as sample valve for
measuring raw water conductivity.
4
AUTOMATIC MF INLET FEED VALVE V-111.
Prevents feed water from flowing back into feed tank during
backwash. Normal de-energized valve position is open. Energized
valve position is closed. Arrow indicates valve position.
5
PRESSURE INDICATOR PI-101.
Indicates feed pressure to the MF micro-filter assembly.
6
AUTOMATIC MF UPPER FEED INLET VALVE
Opens and closes automatically to control feed flow to MF filters and
V-112.
for backwash. Normal de-energized valve position is open.
Energized valve position is closed. Arrow indicates valve position.
7
MF VENT VALVE V-114.
Open for shutdown drain.
8
AUTOMATIC MF LOWER FEED INLET VALVE
Opens and closes automatically to control feed flow to MF filters and
V-113.
for backwash. Normal de-energized valve position is closed to a
preset stop. Energized valve position is open. Arrow indicates valve
position.
9
FILTRATE DRAIN VALVE V-203.
Open for shut down drain.
10
AUTOMATIC MF UPPER FILTRATE VALVE
Opens and closes automatically to control filtrate flow from MF filters
V-201.
and for backwash. Normal de-energized valve position is open.
Energized valve position is closed. Arrow indicates valve position.
11
PRESSURE INDICATOR PI-201.
Indicates the filtrate pressure leaving MF filters.
12
FILTRATE SAMPLE VALVE V-204.
Allows for sampling filtrate flow
13
AUTOMATIC FILTRATE FLOW CONTROL
Controls filtrate flow to RO Tank to fill the tank and maintain RO tank
VALVE V-202.
normal level after filling. Arrow indicates valve position.
14
AUTOMATIC MF UPPER BACKWASH OUT
Opens and closes automatically to control backwash flow from MF
VALVE V-401.
filters. Normal de-energized valve position is closed. Energized
valve position is open. Arrow indicates valve position.
15
AUTOMATIC MF LOWER SHELL OUT VALVE
Opens and closes automatically to control backwash flow from MF
V-402.
filters. Normal de-energized valve position is closed. Energized
valve position is open. Arrow indicates valve position.
16
SHELL DRAIN VALVE V-403.
Opened for shutdown drain.
0011 00-15
