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Whirlpool WHER12 Installation And Operation Manual page 15

Reverse osmosis drinking water system
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6.
Flush the prefilter
sump with fresh water, if needed
to clean. Next,
fill with water to about 1" from
the top. Add
2 tablespoons
of household
bleach
to water
in sump.
Do not add chlorine
first.
Concentrated,
chlorine
could
attack
plastics.
NOTE:
Add bleach
to water
in sump
to avoid plastic
damage.
7.
Carefully
replace
the sump
in the prefilter
location
and turn to the right ((__) to lock.
8.
Slowly
open
the water supply
to the RO.
9.
Open the RO faucet.
10. Allow
water to circulate
through
the RO system
until you smell the bleach odor at the faucet.
Then
close the faucet
and allow the RO to stand
idle for 20 minutes.
11. After
the 20 minutes
open the RO faucet
and run water
until the bleach
odor is gone.
12. Turn off the water
supply
to the RO.
13. Reinstall
the pre filter, post filter and RO cartridge
that were
removed
in steps
1-5.
IMPORTANT:
Refer to Figure
f0, for proper
o-ring
orientation,
when
replacing
cartridges.
Leak test:
NOTE:
1.
2.
The sanitizing procedures
must be done befl_re leak test.
Open the water supply shutoff valve to the RO that was closed during sanitization,
step f.
Open the main water supply valve and several house faucets to purge air from the system. Close
faucets when water runs smooth.
3.
In about 2 hours, pressure will start to build in the RO system. Then, carefully check all fittings
and connections
fk_rwater leaks. Correct leaks if any are found.
NOTE:
When the system is first pressurized,
water may "spurt"
from the faucet airgap hole
in the back of the faucet until air is expelled from the RO system.
Purge RO membrane:
IMPORTANT:
The RO cartridge contains a food grade preservative
that should be removed
befk_re using
water
from
the system
by following
the steps below.
The
preservative
will give product water an unpleasant taste and odor.
NOTE:
Do not remove blue wrapper from R.O. membrane. This will destroy the membrane.
1. Allow the storage tank to fill fk_rabout 4 hours. Then open the RO faucet until the tank is empty
and flow stops. Close the RO faucet.
Repeat step 1 to purge the storage tank 6 times. Then the RO system is ready to make product water
_k_ruse.
15

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