The set-up and flush of para. 2-25b must be completed before proceeding.
As a result of the flush procedure the following condition should exist.
· Feed valve closed.
· Cleaning/bypass valve open.
· Product utility hose connected to clean/flush tank fill connection and valve opened.
· Product shut-off valve closed.
· System pressure control valve fully open.
· SYSTEM CLEAN green light ON. (OPERATION MODE switch set to SYSTEM CLEAN and
Set-up to clean.
Fill the clean/flush tank with potable water to the 100 gallon level using the procedures of para. 2-25 b(3).
Remove auxiliary hose (1) from overflow hose (2).
Fully close system pressure control valve (3).
Connect the clean return hose (4) to the clean/flush tank overflow hose (2).
Open the clean return valve (5).
Use caution when using NTP-A. Failure to do so could result in severe burns. Always wear
chemical gloves, apron and face shield. If NTP-A comes in contact with skin or clothes,
wash off immediately. If NTP-A comes in contact with eyes, wash eyes immediately with
clean water from eye wash station.
Make certain level of water in clean/flush tank is below chemical port. If level is above
chemical port, open tank drain valve until level is below chemical port.
Establish circulation (Figure 2-62).
Press BOOSTER PUMP START (8). Hold pushbutton in until feed pressure low light goes off.
Wait until pressure on the cartridge filter pressure gage is at least 50 psig (345 kPa) before
Press HIGH PRESSURE PUMP START (9).
Remove chemical pot-t cover (10) from clean/flush tank.
Slowly empty two containers of NTP-A into clean/flush tank chemical port.
Keep face away from clean/flush tank port. Fumes or mist may irritate eyes or skin.
Install chemical port cover (10).
Circulate for 10 minutes. Press HIGH PRESSURE PUMP STOP (11). After 1 minute press BOOSTER PUMP STOP
(12). Soak for 20 minutes. Repeat the circulation and soak one additional cycle.
Flush cleaning solution (Figure 2-62).
Close the clean return valve (5).