TM 55-1925-282-14&P
0009 00
ROWPU Produces
Low or No Quantity
of Product Water
Is the
1. At the applicable flow
Do the
ROWPU
control panel, OPEN the
product water
operating at normal
system operation
and brine flow meters
No
No
pressures when compared
pressure valve.
combined readings equal
to conditions as described
2. At the applicable system
near 4.2 gal (15.9 L)
controller, press the START
per minute?
switch and observe the
operation of the ROWPU.
Yes
Yes
Does the
high pressure
High pressure pump
pump run continuously
No
requires repair.
with a flow rate of 4.2 gal
Refer to direct support
(15.9 L) per minute
maintenance for repair.
on the brine
flow meter?
Yes
Clean the RO membranes
Perform STARTUP on the applicable
ROWPU, and verify correct
Is the
Is the
high pressure
ROWPU
Yes
pump outputting about
Replace the RO
No
producing product
4.2 gal (15.9 L) per
membranes
water within parameters
minute when at normal
as described in
system pressure?
Yes
No
Replace the applicable
high pressure pump
Exit
Procedure 4. ROWPU Produces Low or No Quantity of Product Water
0009 00-8