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System Disinfection
With a new installation, or any time the UV system is shut down for service, without power, or is
inoperative for any other reason, the lines in the home or facility could be contaminated. Use the
following steps to fully disinfect the lines throughout the entire home or facility.
Step 1: Check for and remove any “dead ends” in the lines throughout the home as these can
harbor bacteria. Plug in the UV system and wait until it is ready for operation.
Step 2: Remove the filter cartridge from the last sump and fill it with 1-2 cups of household
bleach (most are 5.25% chlorine). Replace the sump and slowly turn on the water supply.
Step 3: At a water outlet, run the water until bleach can be smelled. Repeat this for all faucets,
toilets, shower heads, refrigerators, outdoor taps, the washing machine, dishwasher, etc. at the
home or facility. Once finished, wait a minumum of 30 minutes before continuing.
Step 4: Reinstall the filter cartridge into the sump and flush the chlorine solution by opening
all faucets until chlorine can no longer be detected. Your home has now been completely dis-
infected with your AQUA FLO UV system ready to inactivate any microorganisms that enter the
home.
Cleaning the Quartz Sleeve
Depending on the water quality, the quartz sleeve may require periodic cleaning. At a minimum,
the quartz sleeve should be cleaned on an annual basis. The following steps outline a basic clean-
ing procedure.
Step 1: If a by-pass assembly is installed, shut the inlet valve off to prevent water flow through
the system. Otherwise, turn off main water inlet valve (and/or turn off the water pump).
Step 2: Disconnect power cord of UV system from electrical outlet.
Step 3: Release water pressure by opening a downstream faucet and then close the outlet
shut-off valve (if any). If there is no outlet shut-off valve, expect water to drain from the system
as the head pressure in the system will cause the water to flow back down.
Step 4: Remove the captive ground screw from the ground lug on the UV reactor.
Step 5: Remove the lamp connector from the reactor (gland nut) by pushing the lamp connec-
tor in and turning it ¼ turn counter-clockwise. Disconnect the lamp connector from the lamp.
CAUTION: the lamp may be hot!
Step 6: Being careful to touch only the ceramic ends, remove the lamp out of the reactor.
Step 7: Unscrew the gland nut from the reactor exposing the end of the quartz sleeve.
Step 8: Remove the quartz sleeve and o-ring by gently twisting and pulling the quartz sleeve.
Step 9: Using a soft, lint-free cloth or towel wipe the sleeve down using a commercial scale
cleaner (i.e. CLR® or LIME-A-WAY®). This removes scaling or iron deposits that may be on the
outside of the quartz sleeve. Be careful not to get any moisture or liquids inside of the sleeve.
Step 10: Dry the sleeve with separate cloth.
Summary of Contents for GEN4 Series
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