8
PLUMBING SYSTEM DISINFECTION PROCEDURE
THE FOLLOWING DISINFECTION PROCEDURE IS GENERALLY ACCEPTED
AS BEING SUITABLE FOR THE DISINFECTION OF PLUMBING SYSTEMS
KNOWN TO BE CONTAMINATED.
IF YOU ARE UNCERTAIN ABOUT THE EFFECTIVENESS OF THIS
PROCEDURE YOU ARE ADVISED TO CONTACT YOUR LOCAL HEALTH
AUTHORITY RESPONSIBLE FOR WATER SAFETY.
During the UV disinfection process the only place disinfection takes place is
within the reactor chamber. There is no residual disinfectant capacity. Therefore
it is necessary to chemically disinfect the plumbing system prior to the
initialization of the UV system.
1. Turn the UV system shut off valves to the closed position.
2. The disinfection of the plumbing system is most readily accomplished by
removing the 5 micron pre-filter cartridge and adding 250-500ml (1-2 cups) of
a standard 5% concentration of unscented household bleach into the empty
filter housing and re-attaching.
3. Verify that the UV system is connected to the AC power voltage and operating
properly.
4. Turn the valves to the open position and let the water flow.
5. Open all faucets, fixtures and appliances in turn until you can easily smell
chlorine. This includes outside faucets, laundry machines, showerheads and
any device or appliance attached to the plumbing system. Close the fixtures
and let the system sit for 30-60 minutes.
Do not use or consume system
water during this process.
6. Close the valves on the UV system. Re-install the pre-filter. Open the valves
and flush all fixtures and lines thoroughly.
The introduction of a chlorine disinfectant to a hot water heater that has
been used with untreated water or water with excessive amounts of iron,
manganese or other organic materials may lead to the oxidation of these
particulates. If you feel that these conditions may apply to your
installation, a thorough flushing of the hot water tank after the disinfection
should be undertaken to eliminate the oxidized material from the system.
Consider replacing an aged hot water tank at this time.
