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 TM 55-1925-273-10-1
0105 00
b.
RO-V-6 (figure 13, item 11), backflow preventer discharge
c.
RO-V-7 (figure 13, item 12), backflow preventer supply
d.
Fresh water flush pump outlet valve (figure 18, item 1)
4.
At the ROWPU 1 and ROWPU 2 system controllers:
a.
Verify that the SYSTEM OFF indicators (figure 14, item 3) are illuminated.
b.
Press the FRESH FLUSH pushbuttons (figure 14, item 4).
c.
Observe that the FRESH FLUSH indicators (figure 14, item 5) are illuminated.
d.
Verify that the fresh water flush pump (figure 18, item 2) starts.
2
1
Figure 18. Fresh Water Flush Pump
NOTE
During fresh water flush cycles, a brine flow meter reading of less than 1 gallon (3.8 liters) per
minute is an indication that the carbon filters may be clogged. Clogged carbon filters can cause
shortened service life of the reverse osmosis membrane elements.
5.
At each flow control panel, verify that the BRINE flow meters (figure 13, items 9 and 10) read approximately 1 gallon
(3.8 liters) per minute during the fresh water flush cycle.
0105 00-16
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