Once all water in the tank is purged, check
air pressure using an air pressure gauge, it
should read between 5 - 7 PSI. (Digital air
pressure gauge is recommended)
Important:
Step 3
Check air pressure only when tank is empty of water!
Step 1 Turn off the incoming water supply to the RO
system.
Open the RO Faucet and allow water to drain
from the tank until it is completely empty.
Step 2
Check air pressure in the storage tank when you notice a
decrease in available water from the RO system. Air can
be added with a bicycle pump using the schrader valve
that is located on the lower side of the tank behind the
blue plastic cap.
Tip:
When water from the RO faucet slows to a
trickle, with the faucet still in the open po-
sition, you may add air to the tank to purge
any left over water, this will ensure that the
tank is completely empty.
Procedure for Extended Non-Use
(More than 2 months)
Turn off the water supply to the RO system and open the
RO faucet to empty the storage tank (Save a few ounces
of RO water). Once the storage tank is empty, remove the
membrane and place it in a sealed plastic bag with the
RO water saved earlier and store in your refrigerator.
For restart, reinstall membrane (See page 13 for mem-
brane installation procedure) and follow startup procedure
on page 10.
Step 4
Follow startup procedure on page 10.
Check Air Pressure in the Tank
Summary of Contents for FMRO4G-ERP-75
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