ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
0016 00
OPERATOR INSTRUCTIONS
MAINTAINING NORMAL OPERATION UNDER USUAL CONDITIONS
Table 5. Normal Alarms and Alarm Responses Continued.
Alarm
Immediate
Problem
Test or Inspection
Corrective Actions
Response
RO Feed
HP pumps stop
1) MF Feed Tank almost
(1) Check level in MF
(1) Troubleshoot raw water
Tank Level
automatically.
empty.
Feed Tank. It should
system. (WP0033 Table 1)
Low
- Set Mode to Standby.
never be less than one-
- Drain RO feed tank.
third full.
- Open the MAIN circuit
breaker at the PDP
(2) Level measurement
(2) Open the RO Feed
(2) Notify Unit Maintenance.
(OFF position)
loop failure
Tank cover. If the actual
- Then close the MAIN
level is not almost empty,
circuit breaker (ON)
the level measure loop has
- Follow normal startup
failed.
procedures
- Troubleshoot if alarm
(3) MF Filtrate Flow
(3) Restart. After the first
(3) If the level is not reached
re-occurs.
control failure
backwash, the level should
and the alarm repeats, switch
be back between 95% and
to manual flow control and
105% when the next
continue operation. Notify
backwash begins.
Unit maintenance. If the flow
cannot be controlled in
manual, shutdown until the
problem is corrected.
RO Temp
Cleaning only. Heaters
Cleaning solution over
Turn Tank Heater Switch to
110F.
High
shut off automatically.
OFF.
RO Feed
HP Pumps stop
Pressure
automatically (or will
Low (during
not start). RO Feed
Pressure gage PI-202
Perform steps 1 and 2.
normal
Pump remains on.
does not drop below 35
operation)
psig and alarm repeats.
If the system was in
backwash and the RO
(1) Pressure transmitter
(1) See corrective action
(1) Replace PT-201 with the
tank level is low, see
PT-201 failure
spare located in the BII.
response for RO feed
Continue operation.
tank low level alarm.
(2) PT-201
(2) After replacing PT-201
(2) Notify Unit Maintenance.
- Set Mode to Standby.
measurement loop
continue operation. If the
- Drain RO feed tank.
electrical failure
alarm repeats, the failure is
- Open the MAIN circuit
in the measurement loop
breaker at the PDP
electrical system.
(OFF position)
- Then close the MAIN
circuit breaker (ON)
- Follow normal startup
procedures.
- Watch HP Pump
Feed Pressure gage
PI-202.
- Troubleshoot if alarm
re-occurs.
0016 00-20
