TM 10-4610-215-10
TM 08580A-10/1
w. Set CHLORINE valve to RUN position (fig. 2-64).
x.
The ROWPU is now in full operation. Check the TDS of the product water (para. 2–32c), record the
findings in operator’s log. If reading is above 1500 ppm, refer to Section II, Chapter 3, Troubleshooting. Keep
watching your gages and lamps. Complete the operator’s record (log) hourly. Refer to Table 2-4 for normal and
trouble point indications.
Table 2-4. Gage Readings, Normal and Trouble-point
Gage/Indicator
CARTRIDGE FILTER
MULTIMEDIA FILTER
RAW WATER FLOW
BRINE FLOW
PRODUCT WATER FLOW:
SALT WATER
FRESH WATER
BRACKISH WATER
R.O. PRESSURE PSI:
SALT WATER
FRESH WATER
R.O. VESSELS
TDS OF PRODUCT WATER
Normal Reading
1 to 20 psid
0 to 10 psid
27 to 33 gpm
16 to 24 gpm
6 to 12 gpm
Up to 16 gpm
Up to 16 gpm
Not to exceed 960 psig
Not to exceed 500 psig
50 to 100 psid
Below 1500 ppm
Trouble point reading
Over 20 psid
Either over 10 psid or not within 5 psid
of log reading at startup
Drop to 25 gpm or less
Below 15 gpm
Above 12 gpm
Above 16 gpm
Above 16 gpm
Above 960 psig
Above 500 psig
Above 100 psid
Above 1500 ppm
y.
Periodically check the brine tank.
(1) Covered?
(2) Full? Up to 3 inches from top?
(3) When brine tank is full, remove the canvas brine hose coming from the ROWPU and allow to
drain on the ground.
Ensure that the drained brine water runs towards lower ground as far from the
raw water source as possible.
2-67
