Open clean/flush tank drain valve (1, Figure 2-52).
Remove cartridge filter water utility hose from the clean flush tank inlet (2). Connect product utility hose (3) to the
clean/flush tank inlet (2).
When the tank is empty close the drain valve (1).
Fill clean/flush tank to just below 100 gallons to prevent overflow when chemical port is opened.
Partially close the potable water shut-off valve (4) to provide back pressure.
If the potable water shut-off valve is closed too far, the pressure will increase over 35 psig
and the ROWPU will automatically shutdown.
Open product utility hose valve (5) and fill to 100 gallons, close valve.
Open the chemical port cover (6) and pour in one 2 ounce packet of bisulfite. Clean off any chemical that lays in port opening.
Close cover (6).
Open the product utility hose valve (5).
When the level reaches the 200 gallon (757 I) level, close the utility hose valve (5) and open the product shut-off valve (4).
Backwash as described in para 2-21 b-c Do not forward flush the media filter
System Flush (Figure 2-52). Flush with potable water as follows.
This system flush is critical when operating in brackish or sea water. Failure to flush
system will result in piping/equipment corrosion and failure.
Make sure MAIN circuit breaker (7) is ON and SYSTEM MODE switch (8) is in SYSTEM ON position.
Set OPERATION MODE switch (9) to SYSTEM CLEAN.
PUSH INITIATE (10).
Close feed valve (11).
Open cleaning bypass valve (12).
Close potable water shut-off valve (4).
Open product utility hose valve (5).
Fill clean/flush tank with potable water.
Disconnect one dispensing hose (13, Figure 2-52) from distribution pump.
Connect auxiliary hose (14) to pump.
Pass auxiliary hose through doorway and connect to clean/flush tank overflow hose (15).
Selector switch on distribution pump must be in ON position in order to control the pump
from the switch panel inside the door
Press DISTRIBUTION PUMP ON pushbutton (17).
Fill clean/flush tank to 50 gallon level. Press DISTRIBUTION PUMP OFF pushbutton (16).
Remove chemical port cover (6) and pour in one2 ounce bag of bisulfite. Clean off any chemical that lays in port opening.
Replace chemical port cover (6).
Press DISTRIBUTION PUMP ON pushbutton (17) and fill clean/flush tank to 200 gallons (757 l).
Press DISTRIBUTION PUMP OFF pushbutton (16) when tank is full.
Change 12 2-97