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M
inutes
• Make sure vent is closed.
•
Turn on water supply.
• Allow water to fill the chamber.
•
Turn on the cold water supply faucets
followed by hot water until you smell the
bleach. You must ensure that all taps,
including outside faucets, dishwasher,
shower heads, washing machines,
connection to refrigerators, toilets, etc.
pass the bleach solution.
•
Close all faucets and allow bleach to
settle in the water lines for 30 minutes.
•
With valves closed, vent pressure and
remove sump housing using sump
wrench.
Notes:
1.
Household bleach’s main constituent
is 5.25% sodium hypochlorite (liquid
chlorine). The addition of chlorine to
a hot water tank that has in the past
been fed with untreated raw water
with high levels of other contaminants
(iron, manganese, hydrogen
sulphide, organics, etc.) will result
in oxidation of these contaminants
and may require repeated flushing of
the hot water tank. This contingency
must be dealt with independently
under the start-up procedure for any
other conditioners that may form a
part of the pre-treatment for the UV
unit.
2. This disinfection procedure will result
in a massive chlorine residual far in
excess of the 0.5 to 1.0 mg/L typically
present in municipally chlorinated
water and of a magnitude consistent
with the minimum 50 mg/L chlorine
solution recommended for the
disinfection of distribution systems
known to be contaminated. Do not
consume water until complete system
has been flushed.
•
Reinstall the cartridge into sump housing
and connect to the unit.
• Open valves and flush all water outlets
until bleach can no longer be smelled (at
least 5 minutes).
•
Vent to purge air and to complete the
disinfection procedure.
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